-/**************************************************************************
- * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-/* $Id$ */
-
-//-----------------------------------------------------------------------------
-//
-// Interface to AliMillePede2 alignment class for the ALICE ITS detector
-//
-// ITS specific alignment class which interface to AliMillepede.
-// For each track ProcessTrack calculates the local and global derivatives
-// at each hit and fill the corresponding local equations. Provide methods for
-// fixing or constraining detection elements for best results.
-//
-// author M. Lunardon (thanks to J. Castillo), ruben.shahoyan@cern.ch
-//-----------------------------------------------------------------------------
-
-#include <TFile.h>
-#include <TClonesArray.h>
-#include <TMath.h>
-#include <TVirtualFitter.h>
-#include <TGeoManager.h>
-#include <TArrayI.h>
-#include <TSystem.h>
-#include "AliITSAlignMille2.h"
-#include "AliITSgeomTGeo.h"
-#include "AliGeomManager.h"
-#include "AliMillePede2.h"
-#include "AliTrackPointArray.h"
-#include "AliAlignObjParams.h"
-#include "AliLog.h"
-#include "AliTrackFitterRieman.h"
-#include "AliITSAlignMille2Constraint.h"
-#include "AliITSAlignMille2ConstrArray.h"
-#include "AliITSresponseSDD.h"
-
-ClassImp(AliITSAlignMille2)
-
-const Char_t* AliITSAlignMille2::kRecKeys[] = {
- "GEOMETRY_FILE",
- "SUPERMODULE_FILE",
- "CONSTRAINTS_REFERENCE_FILE",
- "PREALIGNMENT_FILE",
- "PRECALIBSDD_FILE",
- "INITCALBSDD_FILE",
- "SET_GLOBAL_DELTAS",
- "CONSTRAINT_LOCAL",
- "MODULE_VOLUID",
- "MODULE_INDEX",
- "SET_PSEUDO_PARENTS",
- "SET_TRACK_FIT_METHOD",
- "SET_MINPNT_TRA",
- "SET_NSTDDEV",
- "SET_RESCUT_INIT",
- "SET_RESCUT_OTHER",
- "SET_LOCALSIGMAFACTOR",
- "SET_STARTFAC",
- "SET_B_FIELD",
- "SET_SPARSE_MATRIX",
- "REQUIRE_POINT",
- "CONSTRAINT_ORPHANS",
- "CONSTRAINT_SUBUNITS",
- "APPLY_CONSTRAINT"
-};
-
-
-//========================================================================================================
-
-AliITSAlignMille2* AliITSAlignMille2::fgInstance = 0;
-Int_t AliITSAlignMille2::fgInstanceID = 0;
-
-//________________________________________________________________________________________________________
-AliITSAlignMille2::AliITSAlignMille2(const Char_t *configFilename )
-: TObject(),
- fMillepede(0),
- fStartFac(16.),
- fResCutInitial(100.),
- fResCut(100.),
- fNGlobal(0),
- fNLocal(4),
- fNStdDev(3),
- fIsMilleInit(kFALSE),
- fAllowPseudoParents(kFALSE),
- //
- fCurrentModule(0),
- fTrack(0),
- fTrackBuff(0),
- fCluster(),
- fGlobalDerivatives(0),
- //
- fMinNPtsPerTrack(3),
- fInitTrackParamsMeth(1),
- fTotBadLocEqPoints(0),
- fRieman(0),
- //
- fConstraints(0),
- //
- fUseGlobalDelta(kFALSE),
- fRequirePoints(kFALSE),
- fTempExcludedModule(-1),
- //
- fGeometryFileName("geometry.root"),
- fPreAlignmentFileName(""),
- fConstrRefFileName(""),
- fGeoManager(0),
- fIsConfigured(kFALSE),
- fPreAlignQF(0),
-//
- fCorrectSDD(0),
- fInitialRecSDD(0),
- fPrealignment(0),
- fConstrRef(0),
- fMilleModule(2),
- fSuperModule(2),
- fNModules(0),
- fNSuperModules(0),
- fUsePreAlignment(kFALSE),
- fBOn(kFALSE),
- fBField(0.0),
- fBug(0),
- fMilleVersion(2)
-{
- /// main constructor that takes input from configuration file
- for (int i=3;i--;) fSigmaFactor[i] = 1.0;
- //
- // new RS
- for (Int_t i=0; i<6; i++) {
- fNReqLayUp[i]=0;
- fNReqLayDown[i]=0;
- fNReqLay[i]=0;
- }
- for (Int_t i=0; i<3; i++) {
- fNReqDetUp[i]=0;
- fNReqDetDown[i]=0;
- fNReqDet[i]=0;
- }
- //
- Int_t lc=LoadConfig(configFilename);
- if (lc) {
- AliError(Form("Error %d loading configuration from %s",lc,configFilename));
- exit(1);
- }
- //
- fMillepede = new AliMillePede2();
- fgInstance = this;
- fgInstanceID++;
- //
-}
-
-//________________________________________________________________________________________________________
-AliITSAlignMille2::~AliITSAlignMille2()
-{
- /// Destructor
- if (fMillepede) delete fMillepede; fMillepede = 0;
- if (fGlobalDerivatives) delete[] fGlobalDerivatives; fGlobalDerivatives = 0;
- if (fRieman) delete fRieman; fRieman = 0;
- if (fPrealignment) delete fPrealignment; fPrealignment = 0;
- if (fConstrRef) delete fConstrRef; fConstrRef = 0;
- if (fCorrectSDD) delete fCorrectSDD; fCorrectSDD = 0;
- if (fInitialRecSDD) delete fInitialRecSDD; fInitialRecSDD = 0;
- fTrackBuff.Delete();
- fConstraints.Delete();
- fMilleModule.Delete();
- fSuperModule.Delete();
- if (--fgInstanceID==0) fgInstance = 0;
-}
-
-///////////////////////////////////////////////////////////////////////
-
-
-TObjArray* AliITSAlignMille2::GetConfigRecord(FILE* stream, TString& recTitle, TString& recOpt, Bool_t rew)
-{
- // read new record from config file
- TString record;
- static TObjArray* recElems = 0;
- if (recElems) {delete recElems; recElems = 0;}
- //
- TString keyws = recTitle;
- if (!keyws.IsNull()) {
- keyws.ToUpper();
- // keyws += " ";
- }
- while (record.Gets(stream)) {
- int cmt=record.Index("#");
- if (cmt>=0) record.Remove(cmt); // skip comment
- record.ReplaceAll("\t"," ");
- record.ReplaceAll("\r"," ");
- record.Remove(TString::kBoth,' ');
- if (record.IsNull()) continue; // nothing to decode
- if (!keyws.IsNull() && !record.BeginsWith(keyws.Data())) continue; // specific record was requested
- //
- recElems = record.Tokenize(" ");
- recTitle = recElems->At(0)->GetName();
- recTitle.ToUpper();
- recOpt = recElems->GetLast()>0 ? recElems->At(1)->GetName() : "";
- break;
- }
- if (rew || !recElems) rewind(stream);
- return recElems;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::CheckConfigRecords(FILE* stream)
-{
- TString record,recTitle;
- int lineCnt = 0;
- rewind(stream);
- while (record.Gets(stream)) {
- int cmt=record.Index("#");
- lineCnt++;
- if (cmt>=0) record.Remove(cmt); // skip comment
- record.ReplaceAll("\t"," ");
- record.ReplaceAll("\r"," ");
- record.Remove(TString::kBoth,' ');
- if (record.IsNull()) continue; // nothing to decode
- // extract keyword
- int spc = record.Index(" ");
- if (spc>0) recTitle = record(0,spc);
- else recTitle = record;
- recTitle.ToUpper();
- Bool_t strOK = kFALSE;
- for (int ik=kNKeyWords;ik--;) if (recTitle == kRecKeys[ik]) {strOK = kTRUE; break;}
- if (strOK) continue;
- //
- AliError(Form("Unknown keyword %s at line %d",
- recTitle.Data(),lineCnt));
- return -1;
- //
- }
- //
- rewind(stream);
- return 0;
-}
-
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::LoadConfig(const Char_t *cfile)
-{
- // return 0 if success
- // 1 if error in module index or voluid
- //
- FILE *pfc=fopen(cfile,"r");
- if (!pfc) return -1;
- //
- TString record,recTitle,recOpt,recExt;
- Int_t nrecElems,irec;
- TObjArray *recArr=0;
- //
- fNModules = 0;
- Bool_t stopped = kFALSE;
- //
- if (CheckConfigRecords(pfc)<0) return -1;
- //
- while(1) {
- //
- // ============= 1: we read some obligatory records in predefined order ================
- //
- recTitle = kRecKeys[kGeomFile];
- if ( !GetConfigRecord(pfc,recTitle,recOpt,1) ||
- (fGeometryFileName=recOpt).IsNull() ||
- gSystem->AccessPathName(recOpt.Data()) ||
- InitGeometry() )
- { AliError("Failed to find/load Geometry"); stopped = kTRUE; break;}
- //
- recTitle = kRecKeys[kSuperModileFile];
- if ( !GetConfigRecord(pfc,recTitle,recOpt,1) ||
- recOpt.IsNull() ||
- gSystem->AccessPathName(recOpt.Data()) ||
- LoadSuperModuleFile(recOpt.Data()))
- { AliError("Failed to find/load SuperModules"); stopped = kTRUE; break;}
- //
- recTitle = kRecKeys[kConstrRefFile]; // LOCAL_CONSTRAINTS are defined wrt these deltas
- if ( GetConfigRecord(pfc,recTitle,recOpt,1) ) {
- if (recOpt.IsNull() || recOpt=="IDEAL") SetConstraintWrtRef( "IDEAL" );
- else if (gSystem->AccessPathName(recOpt.Data()) || SetConstraintWrtRef(recOpt.Data()) )
- { AliError("Failed to load reference deltas for local constraints"); stopped = kTRUE; break;}
- }
- //
- recTitle = kRecKeys[kPrealignFile];
- if ( GetConfigRecord(pfc,recTitle,recOpt,1) )
- if ( (fPreAlignmentFileName=recOpt).IsNull() ||
- gSystem->AccessPathName(recOpt.Data()) ||
- ApplyToGeometry())
- { AliError(Form("Failed to load Prealignment file %s",recOpt.Data())); stopped = kTRUE; break;}
- //
- recTitle = kRecKeys[kPreCalSDDFile];
- if ( GetConfigRecord(pfc,recTitle,recOpt,1) ) {
- if ( recOpt.IsNull() || gSystem->AccessPathName(recOpt.Data()) ) {stopped = kTRUE; break;}
- AliInfo(Form("Using %s for SDD precalibration",recOpt.Data()));
- TFile* precfi = TFile::Open(recOpt.Data());
- if (!precfi->IsOpen()) {stopped = kTRUE; break;}
- fCorrectSDD = (AliITSresponseSDD*)precfi->Get("AliITSresponseSDD");
- precfi->Close();
- delete precfi;
- if (!fCorrectSDD) {AliError("Precalibration SDD object is not found"); stopped = kTRUE; break;}
- }
- //
- recTitle = kRecKeys[ kInitCalSDDFile ];
- if ( GetConfigRecord(pfc,recTitle,recOpt,1) ) {
- if ( recOpt.IsNull() || gSystem->AccessPathName(recOpt.Data()) ) {stopped = kTRUE; break;}
- AliInfo(Form("Using %s as SDD calibration used in TrackPoints",recOpt.Data()));
- TFile* precf = TFile::Open(recOpt.Data());
- if (!precf->IsOpen()) {stopped = kTRUE; break;}
- fInitialRecSDD = (AliITSresponseSDD*)precf->Get("AliITSresponseSDD");
- precf->Close();
- delete precf;
- if (!fInitialRecSDD) {AliError("Initial Calibration SDD object is not found"); stopped = kTRUE; break;}
- }
- //
- recTitle = kRecKeys[ kGlobalDeltas ];
- if ( GetConfigRecord(pfc,recTitle,recOpt,1) ) SetUseGlobalDelta(kTRUE);
- //
- // =========== 2: see if there are local gaussian constraints defined =====================
- // Note that they should be loaded before the modules declaration
- //
- recTitle = kRecKeys[ kConstrLocal ];
- while( (recArr=GetConfigRecord(pfc,recTitle,recOpt,0)) ) {
- nrecElems = recArr->GetLast()+1;
- if (recOpt.IsFloat()) {stopped = kTRUE; break;} // wrong name
- if (GetConstraint(recOpt.Data())) {
- AliError(Form("Existing constraint %s repeated",recOpt.Data()));
- stopped = kTRUE; break;
- }
- recExt = recArr->At(2)->GetName();
- if (!recExt.IsFloat()) {stopped = kTRUE; break;}
- double val = recExt.Atof();
- recExt = recArr->At(3)->GetName();
- if (!recExt.IsFloat()) {stopped = kTRUE; break;}
- double err = recExt.Atof();
- int nwgh = nrecElems - 4;
- double *wgh = new double[nwgh];
- for (nwgh=0,irec=4;irec<nrecElems;irec++) {
- recExt = recArr->At(irec)->GetName();
- if (!recExt.IsFloat()) {stopped = kTRUE; break;}
- wgh[nwgh++] = recExt.Atof();
- }
- if (stopped) {delete[] wgh; break;}
- //
- ConstrainLocal(recOpt.Data(),wgh,nwgh,val,err);
- delete[] wgh;
- //
- } // end while for loop over local constraints
- if (stopped) break;
- //
- // =========== 3: now read modules to align ===================================
- //
- rewind(pfc);
- while( (recArr=GetConfigRecord(pfc,recTitle="",recOpt,0)) ) {
- if (!(recTitle==kRecKeys[ kModVolID ] || recTitle==kRecKeys[ kModIndex ])) continue;
- // Expected format: MODULE id tolX tolY tolZ tolPsi tolTh tolPhi [[sigX sigY sigZ] extra params]
- // where tol* is the tolerance (sigma) for given DOF. 0 means fixed
- // sig* is the scaling parameters for the errors of the clusters of this module
- // extra params are defined for specific modules, e.g. t0 and vdrift corrections of SDD
- //
- nrecElems = recArr->GetLast()+1;
- if (nrecElems<2 || !recOpt.IsDigit()) {stopped = kTRUE; break;}
- int idx = recOpt.Atoi();
- UShort_t voluid = (idx<=kMaxITSSensID) ? GetModuleVolumeID(idx) : idx;
- AliITSAlignMille2Module* mod = 0;
- //
- if (voluid>=kMinITSSupeModuleID) { // custom supermodule
- for (int j=0; j<fNSuperModules; j++) {
- if (voluid==GetSuperModule(j)->GetVolumeID()) {
- mod = new AliITSAlignMille2Module(*GetSuperModule(j));
- // the matrix might be updated in case some prealignment was applied, check
- TGeoHMatrix* mup = AliGeomManager::GetMatrix(mod->GetName());
- if (mup) *(mod->GetMatrix()) = *mup;
- fMilleModule.AddAtAndExpand(mod,fNModules);
- break;
- }
- }
- }
- else if (idx<=kMaxITSSensVID) {
- mod = new AliITSAlignMille2Module(voluid);
- fMilleModule.AddAtAndExpand(mod,fNModules);
- }
- if (!mod) {stopped = kTRUE; break;} // bad volid
- //
- // geometry variation settings
- for (int i=0;i<AliITSAlignMille2Module::kMaxParGeom;i++) {
- irec = i+2;
- if (irec >= nrecElems) break;
- recExt = recArr->At(irec)->GetName();
- if (!recExt.IsFloat()) {stopped = kTRUE; break;}
- mod->SetFreeDOF(i, recExt.Atof() );
- }
- if (stopped) break;
- //
- // scaling factors for cluster errors
- // first set default ones
- for (int i=0;i<3;i++) mod->SetSigmaFactor(i, fSigmaFactor[i]);
- for (int i=0;i<3;i++) {
- irec = i+8;
- if (irec >= nrecElems) break;
- recExt = recArr->At(irec)->GetName();
- if (!recExt.IsFloat()) {stopped = kTRUE; break;}
- mod->SetSigmaFactor(i, recExt.Atof() );
- }
- if (stopped) break;
- //
- mod->SetGeomParamsGlobal(fUseGlobalDelta);
- // now comes special detectors treatment
- if (mod->IsSDD()) {
- double vl = 0;
- if (nrecElems>11) {
- recExt = recArr->At(11)->GetName();
- if (recExt.IsFloat()) vl = recExt.Atof();
- else {stopped = kTRUE; break;}
- irec = 11;
- }
- mod->SetFreeDOF(AliITSAlignMille2Module::kDOFT0,vl);
- //
- vl = 0;
- if (nrecElems>12) {
- recExt = recArr->At(12)->GetName();
- if (recExt.IsFloat()) vl = recExt.Atof();
- else {stopped = kTRUE; break;}
- irec = 12;
- }
- mod->SetFreeDOF(AliITSAlignMille2Module::kDOFDV,vl);
- }
- //
- mod->SetUniqueID(fNModules);
- mod->EvaluateDOF();
- fNModules++;
- //
- // now check if there are local constraints on this module
- for (++irec;irec<nrecElems;irec++) {
- recExt = recArr->At(irec)->GetName();
- if (recExt.IsFloat()) {stopped=kTRUE;break;}
- AliITSAlignMille2ConstrArray* cstr = (AliITSAlignMille2ConstrArray*)GetConstraint(recExt.Data());
- if (!cstr) {
- AliInfo(Form("No Local constraint %s was declared",recExt.Data()));
- stopped=kTRUE;
- break;
- }
- cstr->AddModule(mod);
- }
- if (stopped) break;
- } // end while for loop over modules
- if (stopped) break;
- //
- if (fNModules==0) {AliError("Failed to find any MODULE"); stopped = kTRUE; break;}
- BuildHierarchy(); // preprocess loaded modules
- //
- // =========== 4: the rest may come in arbitrary order =======================================
- rewind(pfc);
- while ( (recArr=GetConfigRecord(pfc,recTitle="",recOpt,0))!=0 ) {
- //
- nrecElems = recArr->GetLast()+1;
- //
- // some simple flags -----------------------------------------------------------------------
- //
- if (recTitle == kRecKeys[ kPseudoParents ]) SetAllowPseudoParents(kTRUE);
- //
- // some optional parameters ----------------------------------------------------------------
- else if (recTitle == kRecKeys[ kTrackFitMethod ]) {
- if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;}
- SetInitTrackParamsMeth(recOpt.Atoi());
- }
- //
- else if (recTitle == kRecKeys[ kMinPntTrack ]) {
- if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;}
- fMinNPtsPerTrack = recOpt.Atoi();
- }
- //
- else if (recTitle == kRecKeys[ kNStDev ]) {
- if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;}
- fNStdDev = (Int_t)recOpt.Atof();
- }
- //
- else if (recTitle == kRecKeys[ kResCutInit ]) {
- if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;}
- fResCutInitial = recOpt.Atof();
- }
- //
- else if (recTitle == kRecKeys[ kResCutOther ]) {
- if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;}
- fResCut = recOpt.Atof();
- }
- //
- else if (recTitle == kRecKeys[ kLocalSigFactor ]) { //-------------------------
- for (irec=0;irec<3;irec++) if (nrecElems>irec+1) {
- fSigmaFactor[irec] = ((TObjString*)recArr->At(irec+1))->GetString().Atof();
- if (fSigmaFactor[irec]<=0.) stopped = kTRUE;
- }
- if (stopped) break;
- }
- //
- else if (recTitle == kRecKeys[ kStartFactor ]) { //-------------------------
- if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;}
- fStartFac = recOpt.Atof();
- }
- //
- else if (recTitle == kRecKeys[ kBField ]) { //-------------------------
- if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;}
- fBField = recOpt.Atof();
- if (fBField>0) {
- fBOn = kTRUE;
- fNLocal = 5; // helices
- fRieman = new AliTrackFitterRieman();
- }
- else {
- fBField = 0.0;
- fBOn = kFALSE;
- fNLocal = 4;
- }
- }
- //
- else if (recTitle == kRecKeys[ kSparseMatrix ]) { // matrix solver type
- //
- AliMillePede2::SetGlobalMatSparse(kTRUE);
- if (recOpt.IsNull()) continue;
- // solver type and settings
- if (recOpt == "MINRES") AliMillePede2::SetIterSolverType( AliMinResSolve::kSolMinRes );
- else if (recOpt == "FGMRES") AliMillePede2::SetIterSolverType( AliMinResSolve::kSolFGMRes );
- else {stopped = kTRUE; break;}
- //
- if (nrecElems>=3) { // preconditioner type
- recExt = recArr->At(2)->GetName();
- if (!recExt.IsDigit()) {stopped = kTRUE; break;}
- AliMillePede2::SetMinResPrecondType( recExt.Atoi() );
- }
- //
- if (nrecElems>=4) { // tolerance
- recExt = recArr->At(3)->GetName();
- if (!recExt.IsFloat()) {stopped = kTRUE; break;}
- AliMillePede2::SetMinResTol( recExt.Atof() );
- }
- //
- if (nrecElems>=5) { // maxIter
- recExt = recArr->At(4)->GetName();
- if (!recExt.IsDigit()) {stopped = kTRUE; break;}
- AliMillePede2::SetMinResMaxIter( recExt.Atoi() );
- }
- }
- //
- else if (recTitle == kRecKeys[ kRequirePoint ]) { //-------------------------
- // syntax: REQUIRE_POINT where ndet updw nreqpts
- // where = LAYER or DETECTOR
- // ndet = detector number: 1-6 for LAYER and 1-3 for DETECTOR (SPD=1, SDD=2, SSD=3)
- // updw = 1 for Y>0, -1 for Y<0, 0 if not specified
- // nreqpts = minimum number of points of that type
- if (nrecElems>=5) {
- recOpt.ToUpper();
- int lr = ((TObjString*)recArr->At(2))->GetString().Atoi() - 1;
- int hb = ((TObjString*)recArr->At(3))->GetString().Atoi();
- int np = ((TObjString*)recArr->At(4))->GetString().Atoi();
- fRequirePoints = kTRUE;
- if (recOpt == "LAYER") {
- if (lr<0 || lr>5) {stopped = kTRUE; break;}
- if (hb>0) fNReqLayUp[lr] = np;
- else if (hb<0) fNReqLayDown[lr] = np;
- else fNReqLay[lr] = np;
- }
- else if (recOpt == "DETECTOR") {
- if (lr<0 || lr>2) {stopped = kTRUE; break;}
- if (hb>0) fNReqDetUp[lr] = np;
- else if (hb<0) fNReqDetDown[lr] = np;
- else fNReqDet[lr] = np;
- }
- else {stopped = kTRUE; break;}
- }
- else {stopped = kTRUE; break;}
- }
- //
- // global constraints on the subunits/orphans
- else if (recTitle == kRecKeys[ kConstrOrphans ]) { //------------------------
- // expect CONSTRAINT_ORPHANS MEAN/MEDIAN Value parID0 ... parID1 ...
- if (nrecElems<4) {stopped = kTRUE; break;}
- recExt = recArr->At(2)->GetName();
- if (!recExt.IsFloat()) {stopped = kTRUE; break;}
- double val = recExt.Atof();
- UInt_t pattern = 0;
- for (irec=3;irec<nrecElems;irec++) { // read params to constraint
- recExt = recArr->At(irec)->GetName();
- if (!recExt.IsDigit()) {stopped = kTRUE; break;}
- pattern |= 0x1 << recExt.Atoi();
- }
- if (stopped) break;
- if (recOpt == "MEAN") ConstrainOrphansMean(val,pattern);
- else if (recOpt == "MEDIAN") ConstrainOrphansMedian(val,pattern);
- else {stopped = kTRUE; break;}
- }
- //
- else if (recTitle == kRecKeys[ kConstrSubunits ]) { //------------------------
- // expect ONSTRAINT_SUBUNITS MEAN/MEDIAN Value parID0 ... parID1 ... VolID1 ... VolIDn - VolIDm
- if (nrecElems<5) {stopped = kTRUE; break;}
- recExt = recArr->At(2)->GetName();
- if (!recExt.IsFloat()) {stopped = kTRUE; break;}
- double val = recExt.Atof();
- UInt_t pattern = 0;
- for (irec=3;irec<nrecElems;irec++) { // read params to constraint
- recExt = recArr->At(irec)->GetName();
- if (!recExt.IsDigit()) {stopped = kTRUE; break;}
- int parid = recExt.Atoi();
- if (parid<kMaxITSSensID) pattern |= 0x1 << recExt.Atoi();
- else break; // list of params is over
- }
- if (stopped) break;
- //
- Bool_t meanC;
- if (recOpt == "MEAN") meanC = kTRUE;
- else if (recOpt == "MEDIAN") meanC = kFALSE;
- else {stopped = kTRUE; break;}
- //
- int curID = -1;
- int rangeStart = -1;
- for (;irec<nrecElems;irec++) { // read modules to apply this constraint
- recExt = recArr->At(irec)->GetName();
- if (recExt == "-") {rangeStart = curID; continue;} // range is requested
- else if (!recExt.IsDigit()) {stopped = kTRUE; break;}
- else curID = recExt.Atoi();
- //
- if (curID<=kMaxITSSensID) curID = GetModuleVolumeID(curID);
- // this was a range start or single
- int start;
- if (rangeStart>=0) {start = rangeStart+1; rangeStart=-1;} // continue the range
- else start = curID; // create constraint either for single module (or 1st in the range)
- for (int id=start;id<=curID;id++) {
- int id0 = IsVIDDefined(id);
- if (id0<0) {AliDebug(3,Form("Undefined module %d requested in the SubUnits constraint, skipping",id)); continue;}
- if (meanC) ConstrainModuleSubUnitsMean(id0,val,pattern);
- else ConstrainModuleSubUnitsMedian(id0,val,pattern);
- }
- }
- if (rangeStart>=0) stopped = kTRUE; // unfinished range
- if (stopped) break;
- }
- //
- // association of modules with local constraints
- else if (recTitle == kRecKeys[ kApplyConstr ]) { //------------------------
- // expect APPLY_CONSTRAINT NAME [NAME1...] [VolID1 ... VolIDn - VolIDm]
- if (nrecElems<3) {stopped = kTRUE; break;}
- int nmID0=-1,nmID1=-1;
- for (irec=1;irec<nrecElems;irec++) { // find the range of constraint names
- recExt = recArr->At(irec)->GetName();
- if (recExt.IsFloat()) break;
- // check if such a constraint was declared
- if (!GetConstraint(recExt.Data())) {
- AliInfo(Form("No Local constraint %s was declared",recExt.Data()));
- stopped=kTRUE;
- break;
- }
- if (nmID0<0) nmID0 = irec;
- nmID1 = irec;
- }
- if (stopped) break;
- //
- if (irec>=nrecElems) {stopped = kTRUE; break;} // no modules provided
- //
- // now read the list of modules to constrain
- int curID = -1;
- int rangeStart = -1;
- for (;irec<nrecElems;irec++) { // read modules to apply this constraint
- recExt = recArr->At(irec)->GetName();
- if (recExt == "-") {rangeStart = curID; continue;} // range is requested
- else if (!recExt.IsDigit()) {stopped = kTRUE; break;}
- else curID = recExt.Atoi();
- //
- if (curID<=kMaxITSSensID) curID = GetModuleVolumeID(curID);
- //
- // this was a range start or single
- int start;
- if (rangeStart>=0) {start = rangeStart+1; rangeStart=-1;} // continue the range
- else start = curID; // create constraint either for single module (or 1st in the range)
- for (int id=start;id<=curID;id++) {
- AliITSAlignMille2Module *md = GetMilleModuleByVID(id);
- if (!md) {AliDebug(3,Form("Undefined module %d requested in the Local constraint, skipping",id)); continue;}
- for (int nmid=nmID0;nmid<=nmID1;nmid++)
- ((AliITSAlignMille2ConstrArray*)GetConstraint(recArr->At(nmid)->GetName()))->AddModule(md);
- }
- }
- if (rangeStart>=0) stopped = kTRUE; // unfinished range
- if (stopped) break;
- }
- //
- else continue; // already processed record
- //
- } // end of while loop 4 over the various params
- //
- break;
- } // end of while(1) loop
- //
- fclose(pfc);
- if (stopped) {
- AliError(Form("Failed on record %s %s ...\n",recTitle.Data(),recOpt.Data()));
- return -1;
- }
- //
- fIsConfigured = kTRUE;
- return 0;
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::BuildHierarchy()
-{
- // build the hieararhy of the modules to align
- //
- if (!GetUseGlobalDelta() && PseudoParentsAllowed()) {
- AliInfo("PseudoParents mode is allowed only when the deltas are global\n"
- "Since Deltas are local, switching to NoPseudoParents");
- SetAllowPseudoParents(kFALSE);
- }
- // set parent/child relationship for modules to align
- AliInfo("Setting parent/child relationships\n");
- //
- // 1) child -> parent reference
- for (int ipar=0;ipar<fNModules;ipar++) {
- AliITSAlignMille2Module* parent = GetMilleModule(ipar);
- if (parent->IsSensor()) continue; // sensor cannot be a parent
- //
- for (int icld=0;icld<fNModules;icld++) {
- if (icld==ipar) continue;
- AliITSAlignMille2Module* child = GetMilleModule(icld);
- if (!child->BelongsTo(parent)) continue;
- // child cannot have more sensors than the parent
- if (child->GetNSensitiveVolumes() > parent->GetNSensitiveVolumes()) continue;
- //
- AliITSAlignMille2Module* parOld = child->GetParent();
- // is this parent candidate closer than the old parent ?
- if (parOld && parOld->GetNSensitiveVolumes()<parent->GetNSensitiveVolumes()) continue; // parOld is closer
- child->SetParent(parent);
- }
- //
- }
- //
- // add parent -> children reference
- for (int icld=0;icld<fNModules;icld++) {
- AliITSAlignMille2Module* child = GetMilleModule(icld);
- AliITSAlignMille2Module* parent = child->GetParent();
- if (parent) parent->AddChild(child);
- }
- //
- // reorder the modules in such a way that parents come first
- for (int icld=0;icld<fNModules;icld++) {
- AliITSAlignMille2Module* child = GetMilleModule(icld);
- AliITSAlignMille2Module* parent;
- while ( (parent=child->GetParent()) && (parent->GetUniqueID()>child->GetUniqueID()) ) {
- // swap
- fMilleModule[icld] = parent;
- fMilleModule[parent->GetUniqueID()] = child;
- child->SetUniqueID(parent->GetUniqueID());
- parent->SetUniqueID(icld);
- child = parent;
- }
- //
- }
- //
- // Go over the child->parent chain and mark modules with explicitly provided sensors.
- // If the sensors of the unit are explicitly declared, all undeclared sensors are
- // suppresed in this unit.
- for (int icld=fNModules;icld--;) {
- AliITSAlignMille2Module* child = GetMilleModule(icld);
- AliITSAlignMille2Module* parent = child->GetParent();
- if (!parent) continue;
- //
- // check if this parent was already processed
- if (!parent->AreSensorsProvided()) {
- parent->DelSensitiveVolumes();
- parent->SetSensorsProvided(kTRUE);
- }
- // reattach sensors to parent
- for (int isc=child->GetNSensitiveVolumes();isc--;) {
- UShort_t senVID = child->GetSensVolVolumeID(isc);
- if (!parent->IsIn(senVID)) parent->AddSensitiveVolume(senVID);
- }
- }
- //
-}
-
-// pepo
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::SetCurrentModule(Int_t id)
-{
- // set the current supermodule
- // new meaning
- if (fMilleVersion>=2) {
- fCurrentModule = GetMilleModule(id);
- return;
- }
- // old meaning
- if (fMilleVersion<=1) {
- Int_t index=id;
- /// set as current the SuperModule that contains the 'index' sens.vol.
- if (index<0 || index>2197) {
- AliInfo("index does not correspond to a sensitive volume!");
- return;
- }
- UShort_t voluid=AliITSAlignMille2Module::GetVolumeIDFromIndex(index);
- Int_t k=IsContained(voluid);
- if (k>=0){
- fCluster.SetVolumeID(voluid);
- fCluster.SetXYZ(0,0,0);
- InitModuleParams();
- }
- else
- AliInfo(Form("module %d not defined\n",index));
- }
-}
-// endpepo
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::SetRequiredPoint(Char_t* where, Int_t ndet, Int_t updw, Int_t nreqpts)
-{
- // set minimum number of points in specific detector or layer
- // where = LAYER or DETECTOR
- // ndet = detector number: 1-6 for LAYER and 1-3 for DETECTOR (SPD=1, SDD=2, SSD=3)
- // updw = 1 for Y>0, -1 for Y<0, 0 if not specified
- // nreqpts = minimum number of points of that type
- ndet--;
- if (strstr(where,"LAYER")) {
- if (ndet<0 || ndet>5) return;
- if (updw>0) fNReqLayUp[ndet]=nreqpts;
- else if (updw<0) fNReqLayDown[ndet]=nreqpts;
- else fNReqLay[ndet]=nreqpts;
- fRequirePoints=kTRUE;
- }
- else if (strstr(where,"DETECTOR")) {
- if (ndet<0 || ndet>2) return;
- if (updw>0) fNReqDetUp[ndet]=nreqpts;
- else if (updw<0) fNReqDetDown[ndet]=nreqpts;
- else fNReqDet[ndet]=nreqpts;
- fRequirePoints=kTRUE;
- }
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::GetModuleIndex(const Char_t *symname)
-{
- /// index from symname
- if (!symname) return -1;
- for (Int_t i=0;i<=kMaxITSSensID; i++) {
- if (!strcmp(symname,AliITSgeomTGeo::GetSymName(i))) return i;
- }
- return -1;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::GetModuleIndex(UShort_t voluid)
-{
- /// index from volume ID
- AliGeomManager::ELayerID lay = AliGeomManager::VolUIDToLayer(voluid);
- if (lay<1|| lay>6) return -1;
- Int_t idx=Int_t(voluid)-2048*lay;
- if (idx>=AliGeomManager::LayerSize(lay)) return -1;
- for (Int_t ilay=1; ilay<lay; ilay++)
- idx += AliGeomManager::LayerSize(ilay);
- return idx;
-}
-
-//________________________________________________________________________________________________________
-UShort_t AliITSAlignMille2::GetModuleVolumeID(const Char_t *symname)
-{
- /// volume ID from symname
- /// works for sensitive volumes only
- if (!symname) return 0;
-
- for (UShort_t voluid=2000; voluid<13300; voluid++) {
- Int_t modId;
- AliGeomManager::ELayerID layerId = AliGeomManager::VolUIDToLayer(voluid,modId);
- if (layerId>0 && layerId<7 && modId>=0 && modId<AliGeomManager::LayerSize(layerId)) {
- if (!strcmp(symname,AliGeomManager::SymName(layerId,modId))) return voluid;
- }
- }
-
- return 0;
-}
-
-//________________________________________________________________________________________________________
-UShort_t AliITSAlignMille2::GetModuleVolumeID(Int_t index)
-{
- /// volume ID from index
- if (index<0) return 0;
- if (index<2198)
- return GetModuleVolumeID(AliITSgeomTGeo::GetSymName(index));
- else {
- for (int i=0; i<fNSuperModules; i++) {
- if (GetSuperModule(i)->GetIndex()==index) return GetSuperModule(i)->GetVolumeID();
- }
- }
- return 0;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::InitGeometry()
-{
- /// initialize geometry
- AliInfo("Loading initial geometry");
- AliGeomManager::LoadGeometry(fGeometryFileName.Data());
- fGeoManager = AliGeomManager::GetGeometry();
- if (!fGeoManager) {
- AliInfo("Couldn't initialize geometry");
- return -1;
- }
- return 0;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::SetConstraintWrtRef(const char* reffname)
-{
- // Load the global deltas from this file. The local gaussian constraints on some modules
- // will be defined with respect to the deltas from this reference file, converted to local
- // delta format. Note: conversion to local format requires reloading the geometry!
- //
- AliInfo(Form("Loading reference deltas for local constraints from %s",reffname));
- if (!fGeoManager) return -1;
- fConstrRefFileName = reffname;
- if (fConstrRefFileName == "IDEAL") { // the reference is the ideal geometry, just create dummy reference array
- fConstrRef = new TClonesArray("AliAlignObjParams",1);
- return 0;
- }
- TFile *pref = TFile::Open(fConstrRefFileName.Data());
- if (!pref->IsOpen()) return -2;
- fConstrRef = (TClonesArray*)pref->Get("ITSAlignObjs");
- pref->Close();
- delete pref;
- if (!fConstrRef) {
- AliError(Form("Did not find reference prealignment deltas in %s",reffname));
- return -1;
- }
- //
- // we need ideal geometry to convert global deltas to local ones
- if (fUsePreAlignment) {
- AliError("The call of SetConstraintWrtRef must be done before application of the prealignment");
- return -1;
- }
- //
- AliInfo("Converting global reference deltas to local ones");
- Int_t nprea = fConstrRef->GetEntriesFast();
- for (int ix=0; ix<nprea; ix++) {
- AliAlignObjParams *preo=(AliAlignObjParams*) fConstrRef->At(ix);
- if (!preo->ApplyToGeometry()) return -1;
- }
- //
- // now convert the global reference deltas to local ones
- for (int i=fConstrRef->GetEntriesFast();i--;) {
- AliAlignObjParams *preo = (AliAlignObjParams*)fConstrRef->At(i);
- TGeoHMatrix * mupd = AliGeomManager::GetMatrix(preo->GetSymName());
- if (!mupd) { // this is not alignable entry, need to look in the supermodules
- for (int im=fNSuperModules;im--;) {
- AliITSAlignMille2Module* mod = GetSuperModule(im);
- if ( strcmp(mod->GetName(), preo->GetSymName()) ) continue;
- mupd = mod->GetMatrix();
- break;
- }
- if (!mupd) {
- AliError(Form("Failed to find the volume for reference %s",preo->GetSymName()));
- return -1;
- }
- }
- TGeoHMatrix preMat;
- preo->GetMatrix(preMat); // Delta_Glob
- TGeoHMatrix tmpMat = *mupd; // Delta_Glob * Delta_Glob_Par * M
- preMat.MultiplyLeft( &tmpMat.Inverse() ); // M^-1 * Delta_Glob_Par^-1 = (Delta_Glob_Par * M)^-1
- tmpMat.MultiplyLeft( &preMat ); // (Delta_Glob_Par * M)^-1 * Delta_Glob * Delta_Glob_Par * M = Delta_loc
- preo->SetMatrix(tmpMat); // local corrections
- }
- //
- // we need to reload the geometry spoiled by this reference deltas...
- delete fGeoManager;
- AliInfo("Reloading initial geometry");
- AliGeomManager::LoadGeometry(fGeometryFileName.Data());
- fGeoManager = AliGeomManager::GetGeometry();
- return 0;
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::Init()
-{
- // perform global initialization
- //
- if (fIsMilleInit) {
- AliInfo("Millepede has been already initialized!");
- return;
- }
- // range constraints in such a way that the childs are constrained before their parents
- // orphan constraints come last
- for (int ic=0;ic<GetNConstraints();ic++) {
- for (int ic1=ic+1;ic1<GetNConstraints();ic1++) {
- AliITSAlignMille2Constraint *cst0 = GetConstraint(ic);
- AliITSAlignMille2Constraint *cst1 = GetConstraint(ic1);
- if (cst0->GetModuleID()<cst1->GetModuleID()) {
- // swap
- fConstraints[ic] = cst1;
- fConstraints[ic1] = cst0;
- }
- }
- }
- //
- if (!GetUseGlobalDelta()) {
- AliInfo("ATTENTION: The parameters are defined in the local frame, no check for degeneracy will be done");
- for (int imd=fNModules;imd--;) {
- AliITSAlignMille2Module* mod = GetMilleModule(imd);
- int npar = mod->GetNParTot();
- // the parameter may have max 1 free instance, otherwise the equations are underdefined
- for (int ipar=0;ipar<npar;ipar++) {
- if (!mod->IsFreeDOF(ipar)) continue;
- mod->SetParOffset(ipar,fNGlobal++);
- }
- }
- }
- else {
- // init millepede, decide which parameters are to be fitted explicitly
- for (int imd=fNModules;imd--;) {
- AliITSAlignMille2Module* mod = GetMilleModule(imd);
- int npar = mod->GetNParTot();
- // the parameter may have max 1 free instance, otherwise the equations are underdefined
- for (int ipar=0;ipar<npar;ipar++) {
- if (!mod->IsFreeDOF(ipar)) continue; // fixed
- //
- int nFreeInstances = 0;
- //
- AliITSAlignMille2Module* parent = mod;
- Bool_t cstMeanMed=kFALSE,cstGauss=kFALSE;
- //
- Bool_t addToFit = kFALSE;
- // the parameter may be ommitted from explicit fit (if PseudoParentsAllowed is true) if
- // 1) it is not explicitly constrained or its does not participate in Gaussian constraint
- // 2) the same applies to all of its parents
- // 3) it has at least 1 unconstrained direct child
- while(parent) {
- if (!parent->IsFreeDOF(ipar)) {parent = parent->GetParent(); continue;}
- nFreeInstances++;
- if (IsParModConstrained(parent,ipar, cstMeanMed, cstGauss)) nFreeInstances--;
- if (cstGauss) addToFit = kTRUE;
- parent = parent->GetParent();
- }
- if (nFreeInstances>1) {
- AliError(Form("Parameter#%d of module %s\nhas %d free instances in the "
- "unconstrained parents\nSystem is undefined",ipar,mod->GetName(),nFreeInstances));
- exit(1);
- }
- //
- // i) Are PseudoParents allowed?
- if (!PseudoParentsAllowed()) addToFit = kTRUE;
- // ii) check if this module has no child with such a free parameter. Since the order of this check
- // goes from child to parent, by this moment such a parameter must have been already added
- else if (!IsParModFamilyVaried(mod,ipar)) addToFit = kTRUE; // no varied children at all
- else if (!IsParFamilyFree(mod,ipar,1)) addToFit = kTRUE; // no unconstrained direct children
- // otherwise the value of this parameter can be extracted from simple contraint and the values of
- // the relevant parameters of its children the fit is done. Hence it is not included
- if (!addToFit) continue;
- //
- // shall add this parameter to explicit fit
- // printf("Adding %s %d -> %d\n",mod->GetName(), ipar, fNGlobal);
- mod->SetParOffset(ipar,fNGlobal++);
- }
- }
- }
- //
- AliInfo(Form("Initializing Millepede with %d gpar, %d lpar and %d stddev ...",fNGlobal, fNLocal, fNStdDev));
- fGlobalDerivatives = new Double_t[fNGlobal];
- memset(fGlobalDerivatives,0,fNGlobal*sizeof(Double_t));
- //
- fMillepede->InitMille(fNGlobal,fNLocal,fNStdDev,fResCut,fResCutInitial);
- fIsMilleInit = kTRUE;
- //
- ResetLocalEquation();
- AliInfo("Parameters initialized to zero");
- //
- /// Fix non free parameters
- for (Int_t i=0; i<fNModules; i++) {
- AliITSAlignMille2Module* mod = GetMilleModule(i);
- for (Int_t j=0; j<mod->GetNParTot(); j++) {
- if (mod->GetParOffset(j)<0) continue; // not varied
- FixParameter(mod->GetParOffset(j),mod->GetParConstraint(j));
- fMillepede->SetParamGrID(i, mod->GetParOffset(j));
- }
- }
- //
- // Set iterations
- if (fStartFac>1) fMillepede->SetIterations(fStartFac);
- //
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::AddConstraint(Double_t *par, Double_t value, Double_t sigma)
-{
- /// Constrain equation defined by par to value
- if (!fIsMilleInit) Init();
- fMillepede->SetGlobalConstraint(par, value, sigma);
- AliInfo("Adding constraint");
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::InitGlobalParameters(Double_t *par)
-{
- /// Initialize global parameters with par array
- if (!fIsMilleInit) Init();
- fMillepede->SetGlobalParameters(par);
- AliInfo("Init Global Parameters");
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::FixParameter(Int_t iPar, Double_t value)
-{
- /// Parameter iPar is encourage to vary in [-value;value].
- /// If value == 0, parameter is fixed
- if (!fIsMilleInit) {
- AliInfo("Millepede has not been initialized!");
- return;
- }
- fMillepede->SetParSigma(iPar, value);
- if (value==0) AliInfo(Form("Parameter %i Fixed", iPar));
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ResetLocalEquation()
-{
- /// Reset the derivative vectors
- for(int i=fNLocal;i--;) fLocalDerivatives[i] = 0.0;
- memset(fGlobalDerivatives, 0, fNGlobal*sizeof(double) );
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::ApplyToGeometry()
-{
- // apply starting realignment to ideal geometry
- AliInfo(Form("Using %s for prealignment",fPreAlignmentFileName.Data()));
- if (!fGeoManager) return -1;
- TFile *pref = TFile::Open(fPreAlignmentFileName.Data());
- if (!pref->IsOpen()) return -2;
- fPrealignment = (TClonesArray*)pref->Get("ITSAlignObjs");
- if (!fPrealignment) return -3;
- Int_t nprea = fPrealignment->GetEntriesFast();
- AliInfo(Form("Array of input misalignments with %d entries",nprea));
- //
- for (int ix=0; ix<nprea; ix++) {
- AliAlignObjParams *preo=(AliAlignObjParams*) fPrealignment->At(ix);
- Int_t index=AliITSAlignMille2Module::GetIndexFromVolumeID(preo->GetVolUID());
- if (index>=0) {
- if (index>=fPreAlignQF.GetSize()) fPreAlignQF.Set(index+10);
- fPreAlignQF[index] = (int) preo->GetUniqueID()+1;
- }
- //TString nms = preo->GetSymName();
- //if (!nms.Contains("Ladder")) continue; //RRR
- //printf("Applying#%4d %s\n",ix,preo->GetSymName());
- if (!preo->ApplyToGeometry()) return -4;
- }
- //
- pref->Close();
- delete pref;
- //
- fUsePreAlignment = kTRUE;
- return 0;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::GetPreAlignmentQualityFactor(Int_t index) const
-{
- // quality factors from prealignment
- if (!fUsePreAlignment || index<0 || index>=fPreAlignQF.GetSize()) return -1;
- return fPreAlignQF[index]-1;
-}
-
-//________________________________________________________________________________________________________
-AliTrackPointArray *AliITSAlignMille2::PrepareTrack(const AliTrackPointArray *atp)
-{
- /// create a new AliTrackPointArray keeping only defined modules
- /// move points according to a given prealignment, if any
- /// sort alitrackpoints w.r.t. global Y direction, if selected
- const double kTiny = 1E-12;
- //
- AliTrackPointArray *atps=NULL;
- Int_t idx[20];
- Int_t npts=atp->GetNPoints();
-
- /// checks if AliTrackPoints belong to defined modules
- Int_t ngoodpts=0;
- Int_t intidx[20];
-
- for (int j=0; j<npts; j++) {
- intidx[j] = IsVIDContained(atp->GetVolumeID()[j]);
- if (intidx[j]>=0) ngoodpts++;
- }
- AliDebug(3,Form("Number of points in defined modules: %d out of %d",ngoodpts,npts));
-
- // reject track if not enough points are left
- if (ngoodpts<fMinNPtsPerTrack) {
- AliInfo("Track with not enough points!");
- return NULL;
- }
- // >> RS
- AliTrackPoint p;
- // check points in specific places
- if (fRequirePoints) {
- Int_t nlayup[6],nlaydown[6],nlay[6];
- Int_t ndetup[3],ndetdown[3],ndet[3];
- for (Int_t j=0; j<6; j++) {nlayup[j]=0; nlaydown[j]=0; nlay[j]=0;}
- for (Int_t j=0; j<3; j++) {ndetup[j]=0; ndetdown[j]=0; ndet[j]=0;}
-
- for (int i=0; i<npts; i++) {
- // skip not defined points
- if (intidx[i]<0) continue;
- Float_t xx=atp->GetX()[i];
- Float_t yy=atp->GetY()[i];
- Float_t r=TMath::Sqrt(xx*xx + yy*yy);
- int lay=-1;
- if (r<5) lay=0;
- else if (r>5 && r<10) lay=1;
- else if (r>10 && r<18) lay=2;
- else if (r>18 && r<30) lay=3;
- else if (r>30 && r<40) lay=4;
- else if (r>40) lay=5;
- if (lay<0) continue;
- int det=lay/2;
- //printf("Point %d - x=%f y=%f R=%f lay=%d det=%d\n",i,xx,yy,r,lay,det);
-
- if (yy>=0.0) { // UP point
- nlayup[lay]++;
- nlay[lay]++;
- ndetup[det]++;
- ndet[det]++;
- }
- else {
- nlaydown[lay]++;
- nlay[lay]++;
- ndetdown[det]++;
- ndet[det]++;
- }
- }
-
- // checks minimum values
- Bool_t isok=kTRUE;
- for (Int_t j=0; j<6; j++) {
- if (nlayup[j]<fNReqLayUp[j]) isok=kFALSE;
- if (nlaydown[j]<fNReqLayDown[j]) isok=kFALSE;
- if (nlay[j]<fNReqLay[j]) isok=kFALSE;
- }
- for (Int_t j=0; j<3; j++) {
- if (ndetup[j]<fNReqDetUp[j]) isok=kFALSE;
- if (ndetdown[j]<fNReqDetDown[j]) isok=kFALSE;
- if (ndet[j]<fNReqDet[j]) isok=kFALSE;
- }
- if (!isok) {
- AliDebug(2,Form("Track does not meet all location point requirements!"));
- return NULL;
- }
- }
- // build a new track with (sorted) (prealigned) good points
- atps = (AliTrackPointArray*)fTrackBuff[ngoodpts-fMinNPtsPerTrack];
- if (!atps) {
- atps = new AliTrackPointArray(ngoodpts);
- fTrackBuff.AddAtAndExpand(atps,ngoodpts-fMinNPtsPerTrack);
- }
- //
- //
- for (int i=0; i<npts; i++) idx[i]=i;
- // sort track if required
- TMath::Sort(npts,atp->GetY(),idx); // sort descending...
- //
- Int_t npto=0;
- for (int i=0; i<npts; i++) {
- // skip not defined points
- if (intidx[idx[i]]<0) continue;
- atp->GetPoint(p,idx[i]);
-
- // prealign point if required
- // get IDEAL matrix
- AliITSAlignMille2Module *mod = GetMilleModule(intidx[idx[i]]);
- TGeoHMatrix *svOrigMatrix = mod->GetSensitiveVolumeOrigGlobalMatrix(p.GetVolumeID());
- // get back real local coordinates: use OriginalGlobalMatrix because AliTrackPoints were written
- // with idel geometry
- Double_t pg[3],pl[3];
- pg[0]=p.GetX();
- pg[1]=p.GetY();
- pg[2]=p.GetZ();
- // printf("Global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]);
- AliDebug(3,Form("Global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]));
- svOrigMatrix->MasterToLocal(pg,pl);
-
- AliDebug(3,Form("Local coordinates of measured point : X=%f Y=%f Z=%f \n",pl[0],pl[1],pl[2]));
- //
- // this is a temporary code to extract the drift speed used for given point
- if (p.GetDriftTime()>0) { // RRR
- // calculate the drift speed
- int sid = AliITSAlignMille2Module::GetIndexFromVolumeID(p.GetVolumeID());// - kSDDoffsID;
- fDriftTime0[npto] = fInitialRecSDD ? fInitialRecSDD->GetTimeZero(sid) : 0.;
- /*
- AliGeomManager::ELayerID lay = AliGeomManager::VolUIDToLayer(p.GetVolumeID());
- if (lay==3) fDriftTime0[npto] = pg[2]<0 ? 169.5 : 140.1;
- else if (lay==4) fDriftTime0[npto] = pg[2]<0 ? 158.3 : 139.0;
- else {
- AliError(Form("Strange layer %d for moduleID %d",lay,p.GetVolumeID()));
- exit(1);
- }
- */
- double tdif = p.GetDriftTime() - fDriftTime0[npto];
- if (tdif<=0) tdif = 1;
- double vdrift = (3.5085-TMath::Abs(pl[0]))/tdif;
- if (vdrift<0) vdrift = 0;
- //
- // TEMPORARY CORRECTION (if provided) -------------->>>
- if (fCorrectSDD) {
- float t0Upd = fCorrectSDD->GetTimeZero(sid);
- vdrift += fCorrectSDD->GetDeltaVDrift(sid);
- tdif = p.GetDriftTime() - t0Upd;
- // correct Xlocal
- pl[0] = TMath::Sign(3.5085 - vdrift*tdif,pl[0]);
- fDriftTime0[npto] = t0Upd;
- }
- // TEMPORARY CORRECTION (if provided) --------------<<<
- fDriftSpeed[npto] = TMath::Sign(vdrift,pl[0]);
- //
- /*
- printf("%d %+6.2f %+6.2f %+6.2f %+5.2f %+5.2f %+5.2f %+6.1f %+6.1f %+f %+f\n",
- p.GetVolumeID(),pg[0],pg[1],pg[2],pl[0],pl[1],pl[2],p.GetDriftTime(), fDriftTime0[npto], fDriftSpeed[npto],tdif);
- */
- }
-
- // update covariance matrix
- TGeoHMatrix hcov;
- Double_t hcovel[9];
- hcovel[0]=double(p.GetCov()[0]);
- hcovel[1]=double(p.GetCov()[1]);
- hcovel[2]=double(p.GetCov()[2]);
- hcovel[3]=double(p.GetCov()[1]);
- hcovel[4]=double(p.GetCov()[3]);
- hcovel[5]=double(p.GetCov()[4]);
- hcovel[6]=double(p.GetCov()[2]);
- hcovel[7]=double(p.GetCov()[4]);
- hcovel[8]=double(p.GetCov()[5]);
- hcov.SetRotation(hcovel);
- // now rotate in local system
- // printf("\nErrMatGlob: before\n"); hcov.Print(""); //RRR
- hcov.Multiply(svOrigMatrix);
- hcov.MultiplyLeft(&svOrigMatrix->Inverse());
- // now hcov is LOCAL COVARIANCE MATRIX
- // apply sigma scaling
- // printf("\nErrMatLoc: before\n"); hcov.Print(""); //RRR
- Double_t *hcovscl = hcov.GetRotationMatrix();
- // for (int ir=3;ir--;) for (int ic=3;ic--;) hcovscl[ir*3+ic] *= mod->GetSigmaFactor(ir)*mod->GetSigmaFactor(ic); //RRR
- // RS TEMPORARY: nullify non-diagonal elements and sigY
- hcovscl[5] = 0;
- for (int ir=3;ir--;) for (int ic=3;ic--;) {
- if (ir==ic) {
- if (TMath::Abs(hcovscl[ir*3+ic])<kTiny) hcovscl[ir*3+ic] = 0.;
- else hcovscl[ir*3+ic] *= mod->GetSigmaFactor(ir)*mod->GetSigmaFactor(ic); //RRR
- }
- else hcovscl[ir*3+ic] = 0;
- }
- //
- // printf("\nErrMatLoc: after\n"); hcov.Print(""); //RRR
- //
- if (fBug==1) {
- // correzione bug LAYER 5 SSD temporanea..
- int ssdidx=AliITSAlignMille2Module::GetIndexFromVolumeID(p.GetVolumeID());
- if (ssdidx>=500 && ssdidx<1248) {
- int ladder=(ssdidx-500)%22;
- if (ladder==18) p.SetVolumeID(AliITSAlignMille2Module::GetVolumeIDFromIndex(ssdidx+1));
- if (ladder==19) p.SetVolumeID(AliITSAlignMille2Module::GetVolumeIDFromIndex(ssdidx-1));
- }
- }
- /// get (evenctually prealigned) matrix of sens. vol.
- TGeoHMatrix *svMatrix = mod->GetSensitiveVolumeMatrix(p.GetVolumeID());
- // modify global coordinates according with pre-aligment
- svMatrix->LocalToMaster(pl,pg);
- // now rotate in local system
- hcov.Multiply(&svMatrix->Inverse());
- hcov.MultiplyLeft(svMatrix);
- // hcov is back in GLOBAL RF
- // cure once more
- for (int ir=3;ir--;) for (int ic=3;ic--;) if (TMath::Abs(hcovscl[ir*3+ic])<kTiny) hcovscl[ir*3+ic] = 0.;
- // printf("\nErrMatGlob: after\n"); hcov.Print(""); //RRR
- //
- Float_t pcov[6];
- pcov[0]=hcovscl[0];
- pcov[1]=hcovscl[1];
- pcov[2]=hcovscl[2];
- pcov[3]=hcovscl[4];
- pcov[4]=hcovscl[5];
- pcov[5]=hcovscl[8];
-
- p.SetXYZ(pg[0],pg[1],pg[2],pcov);
- // printf("New Gl coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]);
- AliDebug(3,Form("New global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]));
- atps->AddPoint(npto,&p);
- AliDebug(2,Form("Adding point[%d] = ( %f , %f , %f ) volid = %d",npto,atps->GetX()[npto],
- atps->GetY()[npto],atps->GetZ()[npto],atps->GetVolumeID()[npto] ));
- // printf("Adding %d %d %f\n",npto, p.GetVolumeID(), p.GetY());
- npto++;
- }
-
- return atps;
-}
-
-//________________________________________________________________________________________________________
-AliTrackPointArray *AliITSAlignMille2::SortTrack(const AliTrackPointArray *atp)
-{
- /// sort alitrackpoints w.r.t. global Y direction
- AliTrackPointArray *atps=NULL;
- Int_t idx[20];
- Int_t npts=atp->GetNPoints();
- AliTrackPoint p;
- atps=new AliTrackPointArray(npts);
-
- TMath::Sort(npts,atp->GetY(),idx);
-
- for (int i=0; i<npts; i++) {
- atp->GetPoint(p,idx[i]);
- atps->AddPoint(i,&p);
- AliDebug(2,Form("Point[%d] = ( %f , %f , %f ) volid = %d",i,atps->GetX()[i],atps->GetY()[i],atps->GetZ()[i],atps->GetVolumeID()[i] ));
- }
- return atps;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::GetCurrentLayer() const
-{
- // get current layer id
- if (!fGeoManager) {
- AliInfo("ITS geometry not initialized!");
- return -1;
- }
- return (Int_t)AliGeomManager::VolUIDToLayer(fCluster.GetVolumeID());
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::InitModuleParams()
-{
- /// initialize geometry parameters for a given detector
- /// for current cluster (fCluster)
- /// fGlobalInitParam[] is set as:
- /// [tx,ty,tz,psi,theta,phi]
- /// (old was [tx,ty,tz,theta,psi,phi] ROOT's angles...)
- /// *** At the moment: using Raffalele's angles definition ***
- ///
- /// return 0 if success
- /// If module is found but has no parameters to vary, return 1
-
- if (!fGeoManager) {
- AliInfo("ITS geometry not initialized!");
- return -1;
- }
-
- // now 'voluid' is the volumeID of a SENSITIVE VOLUME (coming from a cluster)
-
- // set the internal index (index in module list)
- UShort_t voluid=fCluster.GetVolumeID();
- //
- // IT IS VERY IMPORTANT: start from the end of the list, where the childs are located !!!
- Int_t k=fNModules-1;
- fCurrentModule = 0;
- // VERY IMPORTANT: if the sensors were explicitly provided, don't look in the supermodules
- while (k>=0 && ! (fCurrentModule=GetMilleModule(k))->IsIn(voluid)) k--;
- if (k<0) return -3;
- //
- /*
- // Check if the module has free params. If not, go over the parents
- AliITSAlignMille2Module* mdtmp = fCurrentModule;
- while (mdtmp && mdtmp->GetNParFree()==0) mdtmp = mdtmp->GetParent();
- if (!mdtmp) return 1; // nothing to vary here
- fCurrentModule = mdtmp;
- */
- //
- fModuleInitParam[0] = 0.0;
- fModuleInitParam[1] = 0.0;
- fModuleInitParam[2] = 0.0;
- fModuleInitParam[3] = 0.0; // psi (X)
- fModuleInitParam[4] = 0.0; // theta (Y)
- fModuleInitParam[5] = 0.0; // phi (Z)
- fModuleInitParam[6] = 0.0;
- fModuleInitParam[7] = 0.0;
- /// get (evenctually prealigned) matrix of sens. vol.
- TGeoHMatrix *svMatrix = fCurrentModule->GetSensitiveVolumeMatrix(voluid);
-
- fMeasGlo[0] = fCluster.GetX();
- fMeasGlo[1] = fCluster.GetY();
- fMeasGlo[2] = fCluster.GetZ();
- svMatrix->MasterToLocal(fMeasGlo,fMeasLoc);
- AliDebug(2,Form("Local coordinates of measured point : X=%f Y=%f Z=%f \n",fMeasLoc[0] ,fMeasLoc[1] ,fMeasLoc[2] ));
-
- // set stdev from cluster
- TGeoHMatrix hcov;
- Double_t hcovel[9];
- hcovel[0]=double(fCluster.GetCov()[0]);
- hcovel[1]=double(fCluster.GetCov()[1]);
- hcovel[2]=double(fCluster.GetCov()[2]);
- hcovel[3]=double(fCluster.GetCov()[1]);
- hcovel[4]=double(fCluster.GetCov()[3]);
- hcovel[5]=double(fCluster.GetCov()[4]);
- hcovel[6]=double(fCluster.GetCov()[2]);
- hcovel[7]=double(fCluster.GetCov()[4]);
- hcovel[8]=double(fCluster.GetCov()[5]);
- hcov.SetRotation(hcovel);
- // now rotate in local system
- hcov.Multiply(svMatrix);
- hcov.MultiplyLeft(&svMatrix->Inverse());
- //
- // set local sigmas
- fSigmaLoc[0] = TMath::Sqrt(TMath::Abs(hcov.GetRotationMatrix()[0]));
- fSigmaLoc[1] = TMath::Sqrt(TMath::Abs(hcov.GetRotationMatrix()[4])); // RS
- fSigmaLoc[2] = TMath::Sqrt(TMath::Abs(hcov.GetRotationMatrix()[8]));
-
- // set minimum value for SigmaLoc to 10 micron
- if (fSigmaLoc[0]<0.0010) fSigmaLoc[0]=0.0010;
- if (fSigmaLoc[2]<0.0010) fSigmaLoc[2]=0.0010;
- //
- /* RRR the rescaling is moved to PrepareTrack
- // multiply local sigmas by global and module specific factor
- for (int i=3;i--;) fSigmaLoc[i] *= fSigmaFactor[i]*fCurrentModule->GetSigmaFactor(i);
- //
- */
- AliDebug(2,Form("Setting StDev from CovMat : fSigmaLocX=%g fSigmaLocY=%g fSigmaLocZ=%g \n",fSigmaLoc[0] ,fSigmaLoc[1] ,fSigmaLoc[2] ));
-
- return 0;
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::Print(Option_t*) const
-{
- // print current status
- printf("*** AliMillepede for ITS ***\n");
- printf(" Number of defined super modules: %d\n",fNModules);
- printf(" Obtained parameters refer to %s Deltas\n",fUseGlobalDelta ? "GLOBAL":"LOCAL");
- //
- if (fGeoManager)
- printf(" geometry loaded from %s\n",fGeometryFileName.Data());
- else
- printf(" geometry not loaded\n");
- //
- if (fUsePreAlignment)
- printf(" using prealignment from %s \n",fPreAlignmentFileName.Data());
- else
- printf(" prealignment not used\n");
- //
- //
- if (fBOn)
- printf(" B Field set to %f T - using Riemann's helices\n",fBField);
- else
- printf(" B Field OFF - using straight lines \n");
- //
- if (fRequirePoints) printf(" Required points in tracks:\n");
- for (Int_t i=0; i<6; i++) {
- if (fNReqLayUp[i]>0) printf(" Layer %d : %d points with Y>0\n",i+1,fNReqLayUp[i]);
- if (fNReqLayDown[i]>0) printf(" Layer %d : %d points with Y<0\n",i+1,fNReqLayDown[i]);
- if (fNReqLay[i]>0) printf(" Layer %d : %d points \n",i+1,fNReqLay[i]);
- }
- for (Int_t i=0; i<3; i++) {
- if (fNReqDetUp[i]>0) printf(" Detector %d : %d points with Y>0\n",i+1,fNReqDetUp[i]);
- if (fNReqDetDown[i]>0) printf(" Detector %d : %d points with Y<0\n",i+1,fNReqDetDown[i]);
- if (fNReqDet[i]>0) printf(" Detector %d : %d points \n",i+1,fNReqDet[i]);
- }
- //
- printf("\n Millepede configuration parameters:\n");
- printf(" init value for chi2 cut : %.4f\n",fStartFac);
- printf(" first iteration cut value : %.4f\n",fResCutInitial);
- printf(" other iterations cut value : %.4f\n",fResCut);
- printf(" number of stddev for chi2 cut : %d\n",fNStdDev);
- printf(" def.scaling for local sigmas : %.4f %.4f %.4f\n",fSigmaFactor[0],fSigmaFactor[1],fSigmaFactor[2]);
-
- printf("List of defined modules:\n");
- printf(" intidx\tindex\tvoluid\tname\n");
- for (int i=0; i<fNModules; i++) {
- AliITSAlignMille2Module* md = GetMilleModule(i);
- printf(" %d\t%d\t%d\t%s\n",i,md->GetIndex(),md->GetVolumeID(),md->GetName());
- }
-}
-
-//________________________________________________________________________________________________________
-AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleByVID(UShort_t voluid) const
-{
- // return pointer to a defined supermodule
- // return NULL if error
- Int_t i=IsVIDDefined(voluid);
- if (i<0) return NULL;
- return GetMilleModule(i);
-}
-
-//________________________________________________________________________________________________________
-AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleBySymName(const Char_t* symname) const
-{
- // return pointer to a defined supermodule
- // return NULL if error
- UShort_t vid = AliITSAlignMille2Module::GetVolumeIDFromSymname(symname);
- if (vid>0) return GetMilleModuleByVID(vid);
- else { // this is not alignable module, need to look within defined supermodules
- int i = IsSymDefined(symname);
- if (i>=0) return GetMilleModule(i);
- }
- return 0;
-}
-
-//________________________________________________________________________________________________________
-AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleIfContained(const Char_t* symname) const
-{
- // return pointer to a defined/contained supermodule
- // return NULL otherwise
- int i = IsSymContained(symname);
- return i<0 ? 0 : GetMilleModule(i);
-}
-
-//________________________________________________________________________________________________________
-AliAlignObjParams* AliITSAlignMille2::GetPrealignedObject(const Char_t* symname) const
-{
- // get delta from prealignment for given volume
- if (!fPrealignment) return 0;
- for (int ipre=fPrealignment->GetEntriesFast();ipre--;) { // was the corresponding object prealigned?
- AliAlignObjParams* preob = (AliAlignObjParams*)fPrealignment->At(ipre);
- if (!strcmp(preob->GetSymName(),symname)) return preob;
- }
- return 0;
-}
-
-//________________________________________________________________________________________________________
-AliAlignObjParams* AliITSAlignMille2::GetConstrRefObject(const Char_t* symname) const
-{
- // get delta with respect to which the constraint is declared
- if (!fConstrRef) return 0;
- for (int ipre=fConstrRef->GetEntriesFast();ipre--;) { // was the corresponding object prealigned?
- AliAlignObjParams* preob = (AliAlignObjParams*)fConstrRef->At(ipre);
- if (!strcmp(preob->GetSymName(),symname)) return preob;
- }
- return 0;
-}
-
-//________________________________________________________________________________________________________
-Bool_t AliITSAlignMille2::InitRiemanFit()
-{
- // Initialize Riemann Fitter for current track
- // return kFALSE if error
-
- if (!fBOn) return kFALSE;
-
- Int_t npts=0;
- AliTrackPoint ap;
- npts = fTrack->GetNPoints();
- AliDebug(3,Form("Fitting track with %d points",npts));
-
- fRieman->Reset();
- fRieman->SetTrackPointArray(fTrack);
-
- TArrayI ai(npts);
- for (Int_t ipt=0; ipt<npts; ipt++) ai[ipt]=fTrack->GetVolumeID()[ipt];
-
- // fit track with 5 params in his own tracking-rotated reference system
- // xc = -p[1]/p[0];
- // yc = 1/p[0];
- // R = sqrt( x0*x0 + y0*y0 - y0*p[2]);
- if (!fRieman->Fit(&ai,NULL,(AliGeomManager::ELayerID)1,(AliGeomManager::ELayerID)6)) {
- return kFALSE;
- }
-
- for (int i=0; i<5; i++)
- fLocalInitParam[i] = fRieman->GetParam()[i];
-
- return kTRUE;
-}
-
-//________________________________________________________________________________________________________
-void trackFit2D(Int_t &, Double_t *, double &chi2, double *par, int flag)
-{
- // local function for minuit
- const double kTiny = 1.e-14;
- chi2 = 0;
- static AliTrackPoint pnt;
- static Bool_t fullErr2D;
- //
- if (flag==1) fullErr2D = kFALSE;//kTRUE;
- enum {kAX,kAZ,kBX,kBZ};
- enum {kXX=0,kXY=1,kXZ=2,kYX=kXY,kYY=3,kYZ=4,kZX=kXZ,kZY=kYZ,kZZ=5};
- //
- AliITSAlignMille2* alig = AliITSAlignMille2::GetInstance();
- AliTrackPointArray* track = alig->GetCurrentTrack();
- //
- int npts = track->GetNPoints();
- for (int ip=0;ip<npts;ip++) {
- track->GetPoint(pnt,ip);
- const float *cov = pnt.GetCov();
- double y = pnt.GetY();
- double dx = pnt.GetX() - (par[kAX]+y*par[kBX]);
- double dz = pnt.GetZ() - (par[kAZ]+y*par[kBZ]);
- double xxe = cov[kXX];
- double zze = cov[kZZ];
- double xze = cov[kXZ];
- //
- if (fullErr2D) {
- xxe += par[kBX]*par[kBX]*cov[kYY]-2.*par[kBX]*cov[kXY];
- zze += par[kBZ]*par[kBZ]*cov[kYY]-2.*par[kBZ]*cov[kZY];
- xze += par[kBX]*par[kBZ]*cov[kYY]-cov[kYZ]*par[kBZ]-cov[kXY]*par[kBX];
- }
- //
- double det = xxe*zze - xze*xze;
- if (det<kTiny) {
- printf("Negative diag. error (det=%+e) |sxx:%+e szz:%+e sxz:%+e| bx:%+e bz:%+e|\n"
- "Discarding correlation term\n",det,xxe,zze,xze,par[kBX],par[kBZ]);
- xxe = cov[kXX];
- zze = cov[kZZ];
- xze = cov[kXZ];
- fullErr2D = kFALSE;
- }
- double xxeI = zze/det;
- double zzeI = xxe/det;
- double xzeI =-xze/det;
- //
- chi2 += dx*dx*xxeI + dz*dz*zzeI + 2.*dx*dz*xzeI;
- //
- // printf("%d | %+e %+e %+e %+e %+e -> %+e\n",ip,dx,dz,xxeI,zzeI,xzeI, chi2);
- }
- //
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::InitTrackParams(int meth)
-{
- /// initialize local parameters with different methods
- /// for current track (fTrack)
- Int_t npts=0;
- AliTrackPoint ap;
- double sX=0,sXY=0,sZ=0,sZY=0,sY=0,sYY=0,det=0;
- // simple linear interpolation
- // get local starting parameters (to be substituted by ESD track parms)
- // local parms (fLocalInitParam[]) are:
- // [0] = global x coord. of straight line intersection at y=0 plane
- // [1] = global z coord. of straight line intersection at y=0 plane
- // [2] = px/py
- // [3] = pz/py
- // test #1: linear fit in x(y) and z(y)
- npts = fTrack->GetNPoints();
- AliDebug(3,Form("*** initializing track with %d points ***",npts));
- for (int i=npts;i--;) {
- sY += fTrack->GetY()[i];
- sYY += fTrack->GetY()[i]*fTrack->GetY()[i];
- sX += fTrack->GetX()[i];
- sXY += fTrack->GetX()[i]*fTrack->GetY()[i];
- sZ += fTrack->GetZ()[i];
- sZY += fTrack->GetZ()[i]*fTrack->GetY()[i];
- }
- det = sYY*npts-sY*sY;
- if (det==0) det = 1E-20;
- fLocalInitParam[0] = (sX*sYY-sY*sXY)/det;
- fLocalInitParam[2] = (sXY*npts-sY*sX)/det;
- //
- fLocalInitParam[1] = (sZ*sYY-sY*sZY)/det;
- fLocalInitParam[3] = (sZY*npts-sY*sZ)/det;
- AliDebug(2,Form("X = p0gx + ugx*Y : p0gx = %f ugx = %f\n",fLocalInitParam[0],fLocalInitParam[2]));
- //
- if (meth==1) return;
- //
- // perform full fit accounting for cov.matrix
- static TVirtualFitter *minuit = 0;
- static Double_t step[5] = {1E-3,1E-3,1E-4,1E-4,1E-5};
- static Double_t arglist[10];
- //
- if (!minuit) {
- minuit = TVirtualFitter::Fitter(0,4);
- minuit->SetFCN(trackFit2D);
- arglist[0] = 1;
- minuit->ExecuteCommand("SET ERR",arglist, 1);
- //
- arglist[0] = -1;
- minuit->ExecuteCommand("SET PRINT",arglist,1);
- //
- }
- //
- minuit->SetParameter(0, "ax", fLocalInitParam[0], step[0], 0,0);
- minuit->SetParameter(1, "az", fLocalInitParam[1], step[1], 0,0);
- minuit->SetParameter(2, "bx", fLocalInitParam[2], step[2], 0,0);
- minuit->SetParameter(3, "bz", fLocalInitParam[3], step[3], 0,0);
- //
- arglist[0] = 1000; // number of function calls
- arglist[1] = 0.001; // tolerance
- minuit->ExecuteCommand("MIGRAD",arglist,2);
- //
- for (int i=0;i<4;i++) fLocalInitParam[i] = minuit->GetParameter(i);
- for (int i=0;i<4;i++) for (int j=0;j<4;j++) fLocalInitParEr[i][j] = minuit->GetCovarianceMatrixElement(i,j);
- //
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::IsSymDefined(const Char_t* symname) const
-{
- // checks if supermodule with this symname is defined and return the internal index
- // return -1 if not.
- for (int k=fNModules;k--;) if (!strcmp(symname,GetMilleModule(k)->GetName())) return k;
- return -1;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::IsSymContained(const Char_t* symname) const
-{
- // checks if module with this symname is defined and return the internal index
- // return -1 if not.
- UShort_t vid = AliITSAlignMille2Module::GetVolumeIDFromSymname(symname);
- if (vid>0) return IsVIDContained(vid);
- // only sensors have real vid, but maybe we have a supermodule with fake vid?
- // IMPORTANT: always start from the end to start from the sensors
- return IsSymDefined(symname);
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::IsVIDDefined(UShort_t voluid) const
-{
- // checks if supermodule 'voluid' is defined and return the internal index
- // return -1 if not.
- for (int k=fNModules;k--;) if (voluid==GetMilleModule(k)->GetVolumeID()) return k;
- return -1;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::IsVIDContained(UShort_t voluid) const
-{
- // checks if the sensitive module 'voluid' is contained inside a supermodule
- // and return the internal index of the last identified supermodule
- // return -1 if error
- // IMPORTANT: always start from the end to start from the sensors
- if (AliITSAlignMille2Module::GetIndexFromVolumeID(voluid)<0) return -1;
- for (int k=fNModules;k--;) if (GetMilleModule(k)->IsIn(voluid)) return k;
- return -1;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::CheckCurrentTrack()
-{
- /// checks if AliTrackPoints belongs to defined modules
- /// return number of good poins
- /// return 0 if not enough points
-
- Int_t npts = fTrack->GetNPoints();
- Int_t ngoodpts=0;
- // debug points
- for (int j=0; j<npts; j++) if (IsVIDContained(fTrack->GetVolumeID()[j])>=0) ngoodpts++;
- //
- if (ngoodpts<fMinNPtsPerTrack) return 0;
-
- return ngoodpts;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::ProcessTrack(const AliTrackPointArray *track)
-{
- /// Process track; Loop over hits and set local equations
- /// here 'track' is a AliTrackPointArray
- /// return 0 if success;
-
- if (!fIsMilleInit) Init();
- //
- Int_t npts = track->GetNPoints();
- AliDebug(2,Form("*** Input track with %d points ***",npts));
-
- // preprocessing of the input track: keep only points in defined volumes,
- // move points if prealignment is set, sort by Yglo if required
-
- fTrack=PrepareTrack(track);
- if (!fTrack) return -1;
-
- npts = fTrack->GetNPoints();
- if (npts>kMaxPoints) {
- AliError(Form("Compiled with kMaxPoints=%d, current track has %d points",kMaxPoints,npts));
- }
- AliDebug(2,Form("*** Processing prepared track with %d points ***",npts));
-
- if (!fBOn) { // straight lines
- // set local starting parameters (to be substituted by ESD track parms)
- // local parms (fLocalInitParam[]) are:
- // [0] = global x coord. of straight line intersection at y=0 plane
- // [1] = global z coord. of straight line intersection at y=0 plane
- // [2] = px/py
- // [3] = pz/py
- InitTrackParams(fInitTrackParamsMeth);
- }
- else {
- // local parms (fLocalInitParam[]) are the Riemann Fitter params
- if (!InitRiemanFit()) {
- AliInfo("Riemann fit failed! skipping this track...");
- fTrack=NULL;
- return -5;
- }
- }
-
- Int_t nloceq=0;
- Int_t ngloeq=0;
- static Mille2Data md[kMaxPoints];
- //
- for (Int_t ipt=0; ipt<npts; ipt++) {
- fTrack->GetPoint(fCluster,ipt);
- fCluster.SetUniqueID(ipt);
- AliDebug(2,Form("\n--- processing point %d --- \n",ipt));
-
- // set geometry parameters for the the current module
- if (InitModuleParams()) continue;
- AliDebug(2,Form(" VolID=%d Index=%d InternalIdx=%d symname=%s\n",
- track->GetVolumeID()[ipt], fCurrentModule->GetIndex(),
- fCurrentModule->GetUniqueID(), AliGeomManager::SymName(track->GetVolumeID()[ipt]) ));
- AliDebug(2,Form(" Preprocessed Point = ( %f , %f , %f ) \n",fCluster.GetX(),fCluster.GetY(),fCluster.GetZ()));
- int res = AddLocalEquation(md[nloceq]);
- if (res<0) {fTotBadLocEqPoints++; nloceq = 0; break;}
- else if (res==0) nloceq++;
- else {nloceq++; ngloeq++;}
- } // end loop over points
- //
- fTrack=NULL;
- // not enough good points?
- if (nloceq<fMinNPtsPerTrack || ngloeq<1) return -1;
- //
- // finally send local equations to millepede
- SetLocalEquations(md,nloceq);
- fMillepede->SaveRecordData(); // RRR
- //
- return 0;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::CalcIntersectionPoint(Double_t *lpar, Double_t *gpar)
-{
- /// calculate track intersection point in local coordinates
- /// according with a given set of parameters (local(4) and global(6))
- /// and fill fPintLoc/Glo
- /// local are: pgx0, pgz0, ugx, ugz OR riemann fitters pars
- /// global are: tx,ty,tz,psi,theta,phi (Raff's delta angles in deg.)
- /// return 0 if success
-
- AliDebug(3,Form("lpar = %g %g %g %g %g\ngpar= %g %g %g %g %g %g\n",lpar[0],lpar[1],lpar[2],lpar[3],lpar[4],gpar[0],gpar[1],gpar[2],gpar[3],gpar[4],gpar[5]));
- AliDebug(3,Form("deltalpar = %g %g %g %g %g\n",lpar[0]-fLocalInitParam[0],lpar[1]-fLocalInitParam[1],lpar[2]-fLocalInitParam[2],lpar[3]-fLocalInitParam[3],lpar[4]-fLocalInitParam[4]));
-
-
- // prepare the TGeoHMatrix
- TGeoHMatrix *tempHMat = fCurrentModule->GetSensitiveVolumeModifiedMatrix(fCluster.GetVolumeID(),gpar,
- !fUseGlobalDelta);
- if (!tempHMat) return -1;
-
- Double_t v0g[3]; // vector with straight line direction in global coord.
- Double_t p0g[3]; // point of the straight line (glo)
-
- if (fBOn) { // B FIELD!
- AliTrackPoint prf;
- for (int ip=0; ip<5; ip++)
- fRieman->SetParam(ip,lpar[ip]);
-
- if (!fRieman->GetPCA(fCluster,prf)) {
- AliInfo(Form("error in GetPCA for point %d",fCluster.GetVolumeID()));
- return -3;
- }
- // now determine straight line passing tangent to fit curve at prf
- // ugx = dX/dY_glo = DeltaX/DeltaY_glo
- // mo' P1=(X,Y,Z)_glo_prf
- // => (x,y,Z)_trk_prf ruotando di alpha...
- Double_t alpha=fRieman->GetAlpha();
- Double_t x1g = prf.GetX();
- Double_t y1g = prf.GetY();
- Double_t z1g = prf.GetZ();
- Double_t x1t = x1g*TMath::Cos(alpha) + y1g*TMath::Sin(alpha);
- Double_t y1t = -x1g*TMath::Sin(alpha) + y1g*TMath::Cos(alpha);
- Double_t z1t = z1g;
-
- Double_t x2t = x1t+1.0;
- Double_t y2t = y1t+fRieman->GetDYat(x1t);
- Double_t z2t = z1t+fRieman->GetDZat(x1t);
- Double_t x2g = x2t*TMath::Cos(alpha) - y2t*TMath::Sin(alpha);
- Double_t y2g = x2t*TMath::Sin(alpha) + y2t*TMath::Cos(alpha);
- Double_t z2g = z2t;
-
- AliDebug(3,Form("Riemann frame: fAlpha = %f = %f ",alpha,alpha*180./TMath::Pi()));
- AliDebug(3,Form(" prf_glo=( %f , %f , %f ) prf_rf=( %f , %f , %f )\n", x1g,y1g,z1g, x1t,y1t,z1t));
- AliDebug(3,Form(" mov_glo=( %f , %f , %f ) rf=( %f , %f , %f )\n",x2g,y2g,z2g, x2t,y2t,z2t));
-
- if (TMath::Abs(y2g-y1g)<1e-15) {
- AliInfo("DeltaY=0! Cannot proceed...");
- return -1;
- }
- // ugx,1,ugz
- v0g[0] = (x2g-x1g)/(y2g-y1g);
- v0g[1]=1.0;
- v0g[2] = (z2g-z1g)/(y2g-y1g);
-
- // point: just keep prf
- p0g[0]=x1g;
- p0g[1]=y1g;
- p0g[2]=z1g;
- }
- else { // staight line
- // vector of initial straight line direction in glob. coord
- v0g[0]=lpar[2];
- v0g[1]=1.0;
- v0g[2]=lpar[3];
-
- // intercept in yg=0 plane in glob coord
- p0g[0]=lpar[0];
- p0g[1]=0.0;
- p0g[2]=lpar[1];
- }
- AliDebug(3,Form("Line vector: ( %f , %f , %f ) point:( %f , %f , %f )\n",v0g[0],v0g[1],v0g[2],p0g[0],p0g[1],p0g[2]));
-
- // same in local coord.
- Double_t p0l[3],v0l[3];
- tempHMat->MasterToLocalVect(v0g,v0l);
- tempHMat->MasterToLocal(p0g,p0l);
-
- if (TMath::Abs(v0l[1])<1e-15) {
- AliInfo("Track Y direction in local frame is zero! Cannot proceed...");
- return -1;
- }
-
- // local intersection point
- fPintLoc[0] = p0l[0] - (v0l[0]/v0l[1])*p0l[1];
- fPintLoc[1] = 0;
- fPintLoc[2] = p0l[2] - (v0l[2]/v0l[1])*p0l[1];
-
- // global intersection point
- tempHMat->LocalToMaster(fPintLoc,fPintGlo);
- AliDebug(3,Form("Intesect. point: L( %f , %f , %f ) G( %f , %f , %f )\n",fPintLoc[0],fPintLoc[1],fPintLoc[2],fPintGlo[0],fPintGlo[1],fPintGlo[2]));
-
- return 0;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::CalcDerivatives(Int_t paridx, Bool_t islpar)
-{
- /// calculate numerically (ROOT's style) the derivatives for
- /// local X intersection and local Z intersection
- /// parlist: local (islpar=kTRUE) pgx0, pgz0, ugx0, ugz0 OR riemann's params
- /// global (islpar=kFALSE) tx, ty, tz, psi, theta, phi (Raf's angles in deg)
- /// return 0 if success
-
- // copy initial parameters
- Double_t lpar[kNLocal];
- Double_t gpar[kNParCh];
- Double_t *derivative;
- for (Int_t i=0; i<kNLocal; i++) lpar[i]=fLocalInitParam[i];
- for (Int_t i=0; i<kNParCh; i++) gpar[i]=fModuleInitParam[i];
-
- // trial with fixed dpar...
- Double_t dpar = 0.;
-
- if (islpar) { // track parameters
- //dpar=fLocalInitParam[paridx]*0.001;
- // set minimum dpar
- derivative = fDerivativeLoc[paridx];
- if (!fBOn) {
- if (paridx<3) dpar=1.0e-4; // translations
- else dpar=1.0e-6; // direction
- }
- else { // B Field
- // pepo: proviamo con 1/1000, poi evenctually 1/100...
- Double_t dfrac=0.01;
- switch(paridx) {
- case 0:
- // RMS cosmics: 1e-4
- dpar = TMath::Max(1.0e-6,TMath::Abs(fLocalInitParam[paridx]*dfrac));
- break;
- case 1:
- // RMS cosmics: 0.2
- dpar = TMath::Max(0.002,TMath::Abs(fLocalInitParam[paridx]*dfrac));
- break;
- case 2:
- // RMS cosmics: 9
- dpar = TMath::Max(0.09,TMath::Abs(fLocalInitParam[paridx]*dfrac));
- break;
- case 3:
- // RMS cosmics: 7
- dpar = TMath::Max(0.07,TMath::Abs(fLocalInitParam[paridx]*dfrac));
- break;
- case 4:
- // RMS cosmics: 0.3
- dpar = TMath::Max(0.003,TMath::Abs(fLocalInitParam[paridx]*dfrac));
- break;
- }
- }
- }
- else { // alignment global parameters
- derivative = fDerivativeGlo[paridx];
- //dpar=fModuleInitParam[paridx]*0.001;
- if (paridx<3) dpar=1.0e-4; // translations
- else dpar=1.0e-2; // angles
- }
-
- AliDebug(3,Form("+++ using dpar=%g",dpar));
-
- // calculate derivative ROOT's like:
- // using f(x+h),f(x-h),f(x+h/2),f(x-h2)...
- Double_t pintl1[3]; // f(x-h)
- Double_t pintl2[3]; // f(x-h/2)
- Double_t pintl3[3]; // f(x+h/2)
- Double_t pintl4[3]; // f(x+h)
-
- // first values
- if (islpar) lpar[paridx] -= dpar;
- else gpar[paridx] -= dpar;
- if (CalcIntersectionPoint(lpar, gpar)) return -2;
- for (Int_t i=0; i<3; i++) pintl1[i]=fPintLoc[i];
-
- // second values
- if (islpar) lpar[paridx] += dpar/2;
- else gpar[paridx] += dpar/2;
- if (CalcIntersectionPoint(lpar, gpar)) return -2;
- for (Int_t i=0; i<3; i++) pintl2[i]=fPintLoc[i];
-
- // third values
- if (islpar) lpar[paridx] += dpar;
- else gpar[paridx] += dpar;
- if (CalcIntersectionPoint(lpar, gpar)) return -2;
- for (Int_t i=0; i<3; i++) pintl3[i]=fPintLoc[i];
-
- // fourth values
- if (islpar) lpar[paridx] += dpar/2;
- else gpar[paridx] += dpar/2;
- if (CalcIntersectionPoint(lpar, gpar)) return -2;
- for (Int_t i=0; i<3; i++) pintl4[i]=fPintLoc[i];
-
- Double_t h2 = 1./(2.*dpar);
- Double_t d0 = pintl4[0]-pintl1[0];
- Double_t d2 = 2.*(pintl3[0]-pintl2[0]);
- derivative[0] = h2*(4*d2 - d0)/3.;
- if (TMath::Abs(derivative[0]) < 1.0e-9) derivative[0] = 0.0;
-
- d0 = pintl4[2]-pintl1[2];
- d2 = 2.*(pintl3[2]-pintl2[2]);
- derivative[2] = h2*(4*d2 - d0)/3.;
- if (TMath::Abs(derivative[2]) < 1.0e-9) derivative[2]=0.0;
-
- AliDebug(3,Form("\n+++ derivatives +++ \n"));
- AliDebug(3,Form("+++ dXLoc/dpar = %g +++\n",derivative[0]));
- AliDebug(3,Form("+++ dZLoc/dpar = %g +++\n\n",derivative[2]));
-
- return 0;
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::AddLocalEquation(Mille2Data &m)
-{
- /// Define local equation for current cluster in X and Z coor.
- /// and store them to memory
- /// return -1 in case of failure to build some equation
- /// 0 if no free global parameters were found but local eq is built
- /// 1 if both local and global eqs are built
- //
- // store first intersection point
- if (CalcIntersectionPoint(fLocalInitParam, fModuleInitParam)) return -1;
- for (Int_t i=0; i<3; i++) fPintLoc0[i]=fPintLoc[i];
- AliDebug(2,Form("Intesect. point: L( %f , %f , %f )",fPintLoc[0],fPintLoc[1],fPintLoc[2]));
-
- // calculate local derivatives numerically
- Bool_t zeroX = kTRUE;
- Bool_t zeroZ = kTRUE;
- //
- for (Int_t i=0; i<fNLocal; i++) {
- if (CalcDerivatives(i,kTRUE)) return -1;
- m.fDerLocX[i] = fDerivativeLoc[i][0];
- m.fDerLocZ[i] = fDerivativeLoc[i][2];
- if (zeroX) zeroX = fDerivativeLoc[i][0]==0;
- if (zeroZ) zeroZ = fDerivativeLoc[i][2]==0;
- }
- // for (Int_t i=0; i<fNLocal; i++) AliDebug(2,Form("Local parameter %d - dXdpar = %g - dZdpar = %g\n",i,dXdL[i],dZdL[i]));
- //
- if (zeroX) {AliInfo("Skipping: zero local X derivatives!"); return -1;}
- if (zeroZ) {AliInfo("Skipping: zero local Z derivatives!"); return -1;}
- //
- int ifill = 0;
- //
- AliITSAlignMille2Module* endModule = fCurrentModule;
- //
- zeroX = zeroZ = kTRUE;
- Bool_t dfDone[kNParCh];
- for (int i=kNParCh;i--;) dfDone[i] = kFALSE;
- m.fNModFilled = 0;
- //
- // special block for SDD derivatives
- Double_t jacobian[kNParChGeom];
- Int_t nmodTested = 0;
- //
- do {
- if (fCurrentModule->GetNParFree()==0) continue;
- nmodTested++;
- for (Int_t i=0; i<kNParChGeom; i++) { // common for all sensors: derivatives over geom params
- //
- if (!fUseGlobalDelta) dfDone[i] = kFALSE; // for global deltas the derivatives at diff. levels are different
- if (fCurrentModule->GetParOffset(i)<0) continue; // this parameter is not explicitly fitted
- if (!dfDone[i]) {
- if (CalcDerivatives(i,kFALSE)) return -1;
- else {
- dfDone[i] = kTRUE;
- if (zeroX) zeroX = fDerivativeGlo[i][0]==0;
- if (zeroZ) zeroZ = fDerivativeGlo[i][2]==0;
- }
- }
- //
- m.fDerGloX[ifill] = fDerivativeGlo[i][0];
- m.fDerGloZ[ifill] = fDerivativeGlo[i][2];
- m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(i);
- }
- //
- // specific for special sensors
- if ( fCurrentModule->IsSDD() &&
- (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0)>=0 ||
- fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV)>=0) ) {
- //
- // assume for sensor local xloc = xloc0 + V0*dT0+dV*(T-T0)
- // where V0 and T are the nominal drift velocity, time and time0
- // and the dT0 and dV are the corrections:
- // dX/dT0 = dX/dxloc * dxloc/dT0 = dX/dxloc * V0
- // dX/dV = dX/dxloc * dxloc/dV = dX/dxloc * (T-T0)
- // IMPORTANT: the geom derivatives are over the SENSOR LOCAL parameters
- //
- if (!dfDone[AliITSAlignMille2Module::kDOFT0] || !dfDone[AliITSAlignMille2Module::kDOFDV]) {
- //
- double dXdxlocsens=0., dZdxlocsens=0.;
- //
- // if the current module is the sensor itself and we work with local params, then
- // we can directly take dX/dxloc_sens dZ/dxloc_sens
- if (!fUseGlobalDelta && fCurrentModule->GetVolumeID()==fCluster.GetVolumeID()) {
- if (dfDone[AliITSAlignMille2Module::kDOFTX]) {
- CalcDerivatives(AliITSAlignMille2Module::kDOFTX,kFALSE);
- dfDone[AliITSAlignMille2Module::kDOFTX] = kTRUE;
- }
- dXdxlocsens = fDerivativeGlo[AliITSAlignMille2Module::kDOFTX][0];
- dZdxlocsens = fDerivativeGlo[AliITSAlignMille2Module::kDOFTX][2];
- }
- //
- else { // need to perform some transformations
- // fetch the jacobian of the transformation from the sensors local frame to the frame
- // where the parameters are defined:
- // Global: dX/dxloc_sens = dX/dxgl*dxgl/dxloc_sens + ...dX/dphigl*dphigl/dxloc_sens
- if (fUseGlobalDelta) fCurrentModule->CalcDerivGloLoc(fCluster.GetVolumeID(),
- AliITSAlignMille2Module::kDOFTX, jacobian);
- // Local: dX/dxloc_sens = dX/dxcurr*dxcurr/dxloc_sens +..+dX/dphicurr * dphicurr/dxloc_sens
- else fCurrentModule->CalcDerivCurLoc(fCluster.GetVolumeID(),
- AliITSAlignMille2Module::kDOFTX, jacobian);
- //
- for (int j=0;j<kNParChGeom;j++) {
- // need global derivative even if the j-th param is locked
- if (!dfDone[j]) {CalcDerivatives(j,kFALSE); dfDone[j] = kTRUE;}
- dXdxlocsens += fDerivativeGlo[j][0] * jacobian[j];
- dZdxlocsens += fDerivativeGlo[j][2] * jacobian[j];
- }
- }
- //
- if (zeroX) zeroX = dXdxlocsens == 0;
- if (zeroZ) zeroZ = dZdxlocsens == 0;
- //
- double vdrift = GetVDriftSDD();
- double tdrift = GetTDriftSDD();
- //
- fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][0] = dXdxlocsens*vdrift;
- fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][2] = dZdxlocsens*vdrift;
- dfDone[AliITSAlignMille2Module::kDOFT0] = kTRUE;
- //
- fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][0] = -dXdxlocsens*TMath::Sign(tdrift,vdrift);
- fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][2] = -dZdxlocsens*TMath::Sign(tdrift,vdrift);
- dfDone[AliITSAlignMille2Module::kDOFDV] = kTRUE;
- //
- }
- //
- if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0)>=0) {
- m.fDerGloX[ifill] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][0];
- m.fDerGloZ[ifill] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][2];
- m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0);
- }
- //
- if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV)>=0) {
- m.fDerGloX[ifill] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][0];
- m.fDerGloZ[ifill] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][2];
- m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV);
- }
- }
- //
- m.fModuleID[m.fNModFilled++] = fCurrentModule->GetUniqueID();
- } while( (fCurrentModule=fCurrentModule->GetParent()) );
- //
- if (nmodTested>0 && zeroX) {AliInfo("Skipping: zero global X derivatives!");return -1;}
- if (nmodTested>0 && zeroZ) {AliInfo("Skipping: zero global Z derivatives!");return -1;}
- //
- // ok, can copy to m
- AliDebug(2,Form("Adding local equation X with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[0]-fPintLoc0[0]), fSigmaLoc[0]));
- m.fMeasX = fMeasLoc[0]-fPintLoc0[0];
- m.fSigmaX = fSigmaLoc[0];
- //
- AliDebug(2,Form("Adding local equation Z with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[2]-fPintLoc0[2]), fSigmaLoc[2]));
- m.fMeasZ = fMeasLoc[2]-fPintLoc0[2];
- m.fSigmaZ = fSigmaLoc[2];
- //
- m.fNGlobFilled = ifill;
- fCurrentModule = endModule;
- //
- return Int_t(!zeroX && !zeroZ);
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::SetLocalEquations(const Mille2Data *marr, Int_t neq)
-{
- /// Set local equations with data stored in m
- /// return 0 if success
- //
- for (Int_t j=0; j<neq; j++) {
- //
- const Mille2Data &m = marr[j];
- //
- // set equation for Xloc coordinate
- AliDebug(2,Form("setting local equation X with fMeas=%.6f and fSigma=%.6f",m.fMeasX, m.fSigmaX));
- for (int i=fNLocal; i--;) SetLocalDerivative( i, m.fDerLocX[i] );
- for (int i=m.fNGlobFilled;i--;) SetGlobalDerivative( m.fParMilleID[i] , m.fDerGloX[i] );
- fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, m.fMeasX, m.fSigmaX);
- //
- // set equation for Zloc coordinate
- AliDebug(2,Form("setting local equation Z with fMeas=%.6f and fSigma=%.6f",m.fMeasZ, m.fSigmaZ));
- for (int i=fNLocal; i--;) SetLocalDerivative( i, m.fDerLocZ[i] );
- for (int i=m.fNGlobFilled;i--;) SetGlobalDerivative( m.fParMilleID[i] , m.fDerGloZ[i] );
- fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, m.fMeasZ, m.fSigmaZ);
- //
- for (int i=m.fNModFilled;i--;) GetMilleModule(m.fModuleID[i])->IncNProcessedPoints();
- //
- }
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::GlobalFit()
-{
- /// Call global fit; Global parameters are stored in parameters
- if (!fIsMilleInit) Init();
- //
- ApplyPreConstraints();
- int res = fMillepede->GlobalFit();
- AliInfo(Form("%s fitting global parameters!",res ? "Done":"Failed"));
- if (res) {
- // fetch the parameters
- for (int imd=fNModules;imd--;) {
- AliITSAlignMille2Module* mod = GetMilleModule(imd);
- int nprocp = 0;
- for (int ip=mod->GetNParTot();ip--;) {
- int idp = mod->GetParOffset(ip);
- if (idp<0) continue; // was not in the explicit fit
- mod->SetParVal(ip,fMillepede->GetFinalParam(idp));
- mod->SetParErr(ip,fMillepede->GetFinalError(idp));
- int np = fMillepede->GetProcessedPoints(idp);
- if (TMath::Abs(np)>TMath::Abs(nprocp)) nprocp = np;
- }
- if (!mod->GetNProcessedPoints()) mod->SetNProcessedPoints(nprocp);
- }
-
- }
- ApplyPostConstraints();
- return res;
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::PrintGlobalParameters()
-{
- /// Print global parameters
- if (!fIsMilleInit) {
- AliInfo("Millepede has not been initialized!");
- return;
- }
- fMillepede->PrintGlobalParameters();
-}
-
-//________________________________________________________________________________________________________
-Int_t AliITSAlignMille2::LoadSuperModuleFile(const Char_t *sfile)
-{
- // load definitions of supermodules from a root file
- // return 0 if success
-
- TFile *smf=TFile::Open(sfile);
- if (!smf->IsOpen()) {
- AliInfo(Form("Cannot open supermodule file %s",sfile));
- return -1;
- }
-
- TClonesArray *sma=(TClonesArray*)smf->Get("ITSMilleSuperModules");
- if (!sma) {
- AliInfo(Form("Cannot find ITSMilleSuperModules array in file"));
- return -2;
- }
- Int_t nsma=sma->GetEntriesFast();
- AliInfo(Form("Array of SuperModules with %d entries\n",nsma));
- //
- Char_t st[250];
- char symname[150];
- UShort_t volid;
- TGeoHMatrix m;
- //
- for (Int_t i=0; i<nsma; i++) {
- AliAlignObjParams *a = (AliAlignObjParams*)sma->UncheckedAt(i);
- volid=a->GetVolUID();
- strcpy(st,a->GetSymName());
- a->GetMatrix(m);
- //
- sscanf(st,"%s",symname);
- //
- // decode module list
- char *stp=strstr(st,"ModuleList:");
- if (!stp) return -3;
- stp += 11;
- int idx[2200];
- char spp[200]; int jp=0;
- char cl[20];
- strcpy(st,stp);
- int l=strlen(st);
- int j=0;
- int n=0;
- //
- while (j<=l) {
- if (st[j]==9 || st[j]==32 || st[j]==10 || st[j]==0) {
- spp[jp]=0;
- jp=0;
- if (strlen(spp)) {
- int k=strcspn(spp,"-");
- if (k<int(strlen(spp))) { // c'e' il -
- strcpy(cl,&(spp[k+1]));
- spp[k]=0;
- int ifrom=atoi(spp); int ito=atoi(cl);
- for (int b=ifrom; b<=ito; b++) {
- idx[n]=b;
- n++;
- }
- }
- else { // numerillo singolo
- idx[n]=atoi(spp);
- n++;
- }
- }
- }
- else {
- spp[jp]=st[j];
- jp++;
- }
- j++;
- }
- UShort_t volidsv[2198];
- for (j=0;j<n;j++) {
- volidsv[j]=AliITSAlignMille2Module::GetVolumeIDFromIndex(idx[j]);
- if (!volidsv[j]) {
- AliInfo(Form("Index %d not valid (range 0->%d)",idx[j],kMaxITSSensID));
- return -5;
- }
- }
- Int_t smindex=int(2198+volid-14336); // virtual index
- //
- fSuperModule.AddAtAndExpand(new AliITSAlignMille2Module(smindex,volid,symname,&m,n,volidsv),fNSuperModules);
- //
- fNSuperModules++;
- }
- //
- smf->Close();
- //
- return 0;
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ConstrainModuleSubUnitsMean(Int_t idm, Double_t val, UInt_t pattern)
-{
- // require that sum of modifications for the childs of this module is = val, i.e.
- // the internal corrections moves the module as a whole by fixed value (0 by default).
- // pattern is the bit pattern for the parameters to constrain
- //
- if (fIsMilleInit) {
- AliInfo("Millepede has been already initialized: no constrain may be added!");
- return;
- }
- if (!GetMilleModule(idm)->GetNChildren()) return;
- TString nm = "cstrSUMean";
- nm += GetNConstraints();
- AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMean,
- idm,val,pattern);
- cstr->SetConstraintID(GetNConstraints());
- fConstraints.Add(cstr);
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ConstrainModuleSubUnitsMedian(Int_t idm, Double_t val, UInt_t pattern)
-{
- // require that median of the modifications for the childs of this module is = val, i.e.
- // the internal corrections moves the module as a whole by fixed value (0 by default)
- // module the outliers.
- // pattern is the bit pattern for the parameters to constrain
- // The difference between the mean and the median will be transfered to the parent
- if (fIsMilleInit) {
- AliInfo("Millepede has been already initialized: no constrain may be added!");
- return;
- }
- if (!GetMilleModule(idm)->GetNChildren()) return;
- TString nm = "cstrSUMed";
- nm += GetNConstraints();
- AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMedian,
- idm,val,pattern);
- cstr->SetConstraintID(GetNConstraints());
- fConstraints.Add(cstr);
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ConstrainOrphansMean(Double_t val, UInt_t pattern)
-{
- // require that median of the modifications for the supermodules which have no parents is = val, i.e.
- // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers.
- // pattern is the bit pattern for the parameters to constrain
- //
- if (fIsMilleInit) {
- AliInfo("Millepede has been already initialized: no constrain may be added!");
- return;
- }
- TString nm = "cstrOMean";
- nm += GetNConstraints();
- AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMean,
- -1,val,pattern);
- cstr->SetConstraintID(GetNConstraints());
- fConstraints.Add(cstr);
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ConstrainOrphansMedian(Double_t val, UInt_t pattern)
-{
- // require that median of the modifications for the supermodules which have no parents is = val, i.e.
- // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers.
- // pattern is the bit pattern for the parameters to constrain
- //
- if (fIsMilleInit) {
- AliInfo("Millepede has been already initialized: no constrain may be added!");
- return;
- }
- TString nm = "cstrOMed";
- nm += GetNConstraints();
- AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMedian,
- -1,val,pattern);
- cstr->SetConstraintID(GetNConstraints());
- fConstraints.Add(cstr);
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ConstrainLocal(const Char_t* name,Double_t *parcf,Int_t npar,Double_t val,Double_t err)
-{
- // apply constraint on parameters in the local frame
- if (fIsMilleInit) {
- AliInfo("Millepede has been already initialized: no constrain may be added!");
- return;
- }
- AliITSAlignMille2ConstrArray *cstr = new AliITSAlignMille2ConstrArray(name,parcf,npar,val,err);
- cstr->SetConstraintID(GetNConstraints());
- fConstraints.Add(cstr);
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ApplyGaussianConstraint(const AliITSAlignMille2ConstrArray* cstr)
-{
- // apply the constraint on the local corrections of a list of modules
- int nmod = cstr->GetNModules();
- double jacobian[AliITSAlignMille2Module::kMaxParGeom][AliITSAlignMille2Module::kMaxParGeom];
- //
- for (int imd=nmod;imd--;) {
- int modID = cstr->GetModuleID(imd);
- AliITSAlignMille2Module* mod = GetMilleModule(modID);
- ResetLocalEquation();
- int nadded = 0;
- double value = cstr->GetValue();
- double sigma = cstr->GetError();
- //
- // in case the reference (survey) deltas were imposed for Gaussian constraints
- // already accumulated corrections: they must be subtracted from the constraint value.
- if (IsConstraintWrtRef()) {
- //
- Double_t precal[AliITSAlignMille2Module::kMaxParTot];
- Double_t refcal[AliITSAlignMille2Module::kMaxParTot];
- for (int ip=AliITSAlignMille2Module::kMaxParTot;ip--;) {precal[ip]=0; refcal[ip] = 0.;}
- //
- // check if there was a reference delta provided for this module
- AliAlignObjParams* parref = GetConstrRefObject(mod->GetName());
- if (parref) parref->GetPars(refcal, refcal+3); // found reference delta
- //
- // extract already applied local corrections for this module
- if (fPrealignment) {
- //
- AliAlignObjParams *preo = GetPrealignedObject(mod->GetName());
- if (preo) {
- TGeoHMatrix preMat,tmpMat = *mod->GetMatrix(); // Delta_Glob * Delta_Glob_Par * M
- preo->GetMatrix(preMat); // Delta_Glob
- preMat.MultiplyLeft( &tmpMat.Inverse() ); // M^-1 * Delta_Glob_Par^-1 = (Delta_Glob_Par * M)^-1
- tmpMat.MultiplyLeft( &preMat ); // (Delta_Glob_Par * M)^-1 * Delta_Glob * Delta_Glob_Par * M = Delta_loc
- AliAlignObjParams algob;
- algob.SetMatrix(tmpMat);
- algob.GetPars(precal,precal+3); // local corrections for geometry
- }
- }
- //
- // subtract the contribution to constraint from precalibration
- for (int ipar=cstr->GetNCoeffs();ipar--;) value += (refcal[ipar]-precal[ipar])*cstr->GetCoeff(ipar);
- //
- }
- //
- if (fUseGlobalDelta) mod->CalcDerivLocGlo(&jacobian[0][0]);
- //
- for (int ipar=cstr->GetNCoeffs();ipar--;) {
- double coef = cstr->GetCoeff(ipar);
- if (coef==0) continue;
- //
- if (!fUseGlobalDelta || ipar>= AliITSAlignMille2Module::kMaxParGeom) { //
- // we are working with local params or if the given param is not related to geometry,
- // apply the constraint directly
- int parPos = mod->GetParOffset(ipar);
- if (parPos<0) continue; // not in the fit
- fGlobalDerivatives[parPos] += coef;
- nadded++;
- }
- else { // we are working with global params, while the constraint is on local ones -> jacobian
- for (int jpar=AliITSAlignMille2Module::kMaxParGeom;jpar--;) {
- int parPos = mod->GetParOffset(jpar);
- if (parPos<0) continue;
- fGlobalDerivatives[parPos] += coef*jacobian[ipar][jpar];
- nadded++;
- }
- }
- }
- if (nadded) AddConstraint(fGlobalDerivatives, value, sigma);
- }
- //
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ApplyPreConstraints()
-{
- // apply constriants which cannot be imposed after the fit
- int nconstr = GetNConstraints();
- for (int i=0;i<nconstr;i++) {
- AliITSAlignMille2Constraint* cstr = GetConstraint(i);
- //
- if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) {
- ApplyGaussianConstraint( (AliITSAlignMille2ConstrArray*)cstr);
- continue;
- }
- //
- if (cstr->GetType() == AliITSAlignMille2Constraint::kTypeMedian) continue; // post type constraint
- //
- if (!fUseGlobalDelta) continue; // mean/med constraints must be applied to global deltas
- // apply constraint on the mean's before the fit
- int imd = cstr->GetModuleID();
- if (imd>=0) {
- AliITSAlignMille2Module* mod = GetMilleModule(imd);
- UInt_t pattern = 0;
- for (int ipar=mod->GetNParTot();ipar--;) {
- if (!cstr->IncludesParam(ipar)) continue;
- if (mod->GetParOffset(ipar)<0) continue; // parameter is not in the explicit fit -> post constraint
- pattern |= 0x1<<ipar;
- cstr->SetApplied(ipar);
- }
- ConstrainModuleSubUnits(imd,cstr->GetValue(),pattern);
- //
- }
- else if (!PseudoParentsAllowed()) {
- ConstrainOrphans(cstr->GetValue(),(UInt_t)cstr->GetPattern());
- cstr->SetApplied(-1);
- }
- }
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ApplyPostConstraints()
-{
- // apply constraints which can be imposed after the fit
- int nconstr = GetNConstraints();
- Bool_t convGlo = kFALSE;
- // check if there is something to do
- int ntodo = 0;
- for (int i=0;i<nconstr;i++) {
- AliITSAlignMille2Constraint* cstr = GetConstraint(i);
- if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) continue;
- if (cstr->GetRemainingPattern() == 0) continue;
- ntodo++;
- }
- if (!ntodo) return;
- //
- if (!fUseGlobalDelta) { // need to convert to global params
- ConvertParamsToGlobal();
- convGlo = kTRUE;
- }
- //
- for (int i=0;i<nconstr;i++) {
- AliITSAlignMille2Constraint* cstr = GetConstraint(i);
- if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) continue;
- //
- int imd = cstr->GetModuleID();
- //
- if (imd>=0) {
- AliITSAlignMille2Module* mod = GetMilleModule(imd);
- UInt_t pattern = 0;
- for (int ipar=mod->GetNParTot();ipar--;) {
- if (cstr->IsApplied(ipar)) continue;
- if (!cstr->IncludesParam(ipar)) continue;
- if (!mod->IsFreeDOF(ipar)) continue; // parameter is fixed, will not apply constraint
- pattern |= 0x1<<ipar;
- cstr->SetApplied(ipar);
- }
- if (pattern) PostConstrainModuleSubUnits(cstr->GetType(),cstr->GetModuleID(),cstr->GetValue(),pattern);
- //
- }
- else if (PseudoParentsAllowed()) {
- UInt_t pattern = (UInt_t)cstr->GetRemainingPattern();
- PostConstrainOrphans(cstr->GetType(),cstr->GetValue(),pattern);
- cstr->SetApplied(-1);
- }
- }
- // if there was a conversion, rewind it
- if (convGlo) ConvertParamsToLocal();
- //
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ConstrainModuleSubUnits(Int_t idm, Double_t val, UInt_t pattern)
-{
- // require that sum of modifications for the childs of this module is = val, i.e.
- // the internal corrections moves the module as a whole by fixed value (0 by default).
- // pattern is the bit pattern for the parameters to constrain
- //
- //
- AliITSAlignMille2Module* mod = GetMilleModule(idm);
- //
- for (int ip=0;ip<kNParCh;ip++) {
- if ( !((pattern>>ip)&0x1) /*|| !parent->IsFreeDOF(ip)*/) continue;
- ResetLocalEquation();
- int nadd = 0;
- for (int ich=mod->GetNChildren();ich--;) {
- int idpar = ((AliITSAlignMille2Module*)mod->GetChild(ich))->GetParOffset(ip);
- if (idpar<0) continue;
- fGlobalDerivatives[idpar] = 1.0;
- nadd++;
- }
- //
- if (nadd>0) {
- AddConstraint(fGlobalDerivatives,val);
- AliInfo(Form("Constrained param %d for %d submodules of module #%d: %s",ip,nadd,idm,mod->GetName()));
- }
- }
- //
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ConstrainOrphans(Double_t val, UInt_t pattern)
-{
- // require that median of the modifications for the supermodules which have no parents is = val, i.e.
- // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers.
- // pattern is the bit pattern for the parameters to constrain
- //
- for (int ip=0;ip<kNParCh;ip++) {
- //
- if ( !((pattern>>ip)&0x1) ) continue;
- ResetLocalEquation();
- int nadd = 0;
- for (int imd=fNModules;imd--;) {
- AliITSAlignMille2Module* mod = GetMilleModule(imd);
- if (mod->GetParent()) continue; // this is not an orphan
- int idpar = mod->GetParOffset(ip);
- if (idpar<0) continue;
- fGlobalDerivatives[idpar] = 1.0;
- nadd++;
- }
- if (nadd>0) {
- AddConstraint(fGlobalDerivatives,val);
- AliInfo(Form("Constrained param %d for %d orphan modules",ip,nadd));
- }
- }
- //
- //
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::PostConstrainModuleSubUnits(Int_t type,Int_t idm, Double_t val, UInt_t pattern)
-{
- // require that median or mean of the modifications for the childs of this module is = val, i.e.
- // the internal corrections moves the module as a whole by fixed value (0 by default)
- // module the outliers.
- // pattern is the bit pattern for the parameters to constrain
- // The difference between the mean and the median will be transfered to the parent
- //
- AliITSAlignMille2Module* parent = GetMilleModule(idm);
- int nc = parent->GetNChildren();
- //
- double *tmpArr = new double[nc];
- //
- for (int ip=0;ip<kNParCh;ip++) {
- int npc = 0;
- if ( !((pattern>>ip)&0x1) || !parent->IsFreeDOF(ip)) continue;
- // compute the mean and median of the deltas
- int nfree = 0;
- for (int ich=nc;ich--;) {
- AliITSAlignMille2Module* child = parent->GetChild(ich);
- // if (!child->IsFreeDOF(ip)) continue;
- tmpArr[nfree++] = child->GetParVal(ip);
- }
- double median=0,mean=0;
- for (int ic0=0;ic0<nfree;ic0++) {// order the deltas
- mean += tmpArr[ic0];
- for (int ic1=ic0+1;ic1<nfree;ic1++)
- if (tmpArr[ic0]>tmpArr[ic1]) {double tv=tmpArr[ic0]; tmpArr[ic0]=tmpArr[ic1]; tmpArr[ic1]=tv;}
- }
- //
- int kmed = nfree/2;
- median = (tmpArr[kmed]+tmpArr[nfree-kmed-1])/2.;
- if (nfree>0) mean /= nfree;
- //
- double shift = val - (type==AliITSAlignMille2Constraint::kTypeMean ? mean : median);
- //
- for (int ich=nc;ich--;) {
- AliITSAlignMille2Module* child = parent->GetChild(ich);
- // if (!child->IsFreeDOF(ip)) continue;
- child->SetParVal(ip, child->GetParVal(ip) + shift);
- npc++;
- }
- //
- parent->SetParVal(ip, parent->GetParVal(ip) - shift);
- AliInfo(Form("%s constraint: added %f shift to param[%d] of %d children of module %d: %s",
- type==AliITSAlignMille2Constraint::kTypeMean ? "MEAN" : "MEDIAN",shift,
- ip,npc,idm,parent->GetName()));
- }
- delete[] tmpArr;
- //
- //
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::PostConstrainOrphans(Int_t type,Double_t val, UInt_t pattern)
-{
- // require that median or mean of modifications for the supermodules which have no parents is = val, i.e.
- // the corrections moves the whole setup by fixed value (0 by default).
- // pattern is the bit pattern for the parameters to constrain
- //
- int nc = fNModules;
- //
- int norph = 0;
- for (int ich=nc;ich--;) if (!GetMilleModule(ich)->GetParent()) norph ++;
- if (!norph) return;
- double *tmpArr = new double[norph];
- //
- for (int ip=0;ip<kNParCh;ip++) {
- int npc = 0;
- if ( !((pattern>>ip)&0x1)) continue;
- // compute the mean and median of the deltas
- int nfree = 0;
- for (int ich=nc;ich--;) {
- AliITSAlignMille2Module* child = GetMilleModule(ich);
- // if (child->GetParent() || !child->IsFreeDOF(ip)) continue;
- if (child->GetParent()) continue;
- tmpArr[nfree++] = child->GetParVal(ip);
- }
- double median=0,mean=0;
- for (int ic0=0;ic0<nfree;ic0++) {// order the deltas
- mean += tmpArr[ic0];
- for (int ic1=ic0+1;ic1<nfree;ic1++)
- if (tmpArr[ic0]>tmpArr[ic1]) {double tv=tmpArr[ic0]; tmpArr[ic0]=tmpArr[ic1]; tmpArr[ic1]=tv;}
- }
- //
- int kmed = nfree/2;
- median = (tmpArr[kmed]+tmpArr[nfree-kmed-1])/2.;
- if (nfree>0) mean /= nfree;
- //
- double shift = val - (type==AliITSAlignMille2Constraint::kTypeMean ? mean : median);
- //
- for (int ich=nc;ich--;) {
- AliITSAlignMille2Module* child = GetMilleModule(ich);
- // if (child->GetParent() || !child->IsFreeDOF(ip)) continue;
- if (child->GetParent()) continue;
- child->SetParVal(ip, child->GetParVal(ip) + shift);
- npc++;
- }
- //
- AliInfo(Form("%s constraint: added %f shift to param[%d] of %d orphan modules",
- type==AliITSAlignMille2Constraint::kTypeMean ? "MEAN" : "MEDIAN",shift,
- ip,npc));
- }
- delete[] tmpArr;
- //
-}
-
-//________________________________________________________________________________________________________
-Bool_t AliITSAlignMille2::IsParModConstrained(const AliITSAlignMille2Module* mod,Int_t par, Bool_t &meanmed, Bool_t &gaussian) const
-{
- // check if par of the module participates in some constraint, and set the flag for their types
- meanmed = gaussian = kFALSE;
- //
- if ( mod->IsParConstrained(par) ) gaussian = kTRUE; // direct constraint on this param
- //
- for (int icstr=GetNConstraints();icstr--;) {
- AliITSAlignMille2Constraint* cstr = GetConstraint(icstr);
- //
- if (!cstr->IncludesModPar(mod,par)) continue;
- if (cstr->GetType()==AliITSAlignMille2ConstrArray::kTypeGaussian) gaussian = kTRUE;
- else meanmed = kTRUE;
- //
- if (meanmed && gaussian) break; // no sense to check further
- }
- //
- return meanmed||gaussian;
-}
-
-//________________________________________________________________________________________________________
-Bool_t AliITSAlignMille2::IsParModFamilyVaried(const AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const
-{
- // check if parameter par is varied for this module or its children up to the level depth
- if (depth<0) return kFALSE;
- if (mod->GetParOffset(par)>=0) return kTRUE;
- for (int icld=mod->GetNChildren();icld--;) {
- AliITSAlignMille2Module* child = mod->GetChild(icld);
- if (IsParModFamilyVaried(child, par, depth-1)) return kTRUE;
- }
- return kFALSE;
- //
-}
-
-/*
-//________________________________________________________________________________________________________
-Bool_t AliITSAlignMille2::IsParFamilyFree(AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const
-{
- // check if parameter par is varied and is not subjected to gaussian constraint for the children up to the level depth
- if (depth<0) return kTRUE;
- for (int icld=mod->GetNChildren();icld--;) {
- AliITSAlignMille2Module* child = mod->GetChild(icld);
- //if (child->GetParOffset(par)<0) continue; // fixed
- Bool_t cstMM=kFALSE,cstGS=kFALSE;
- // does this child have gaussian constraint ?
- if (!IsParModConstrained(child,par,cstMM,cstGS) || !cstGS ) return kTRUE;
- // check its children
- if (!IsParFamilyFree(child,par,depth-1)) return kTRUE;
- }
- return kFALSE;
- //
-}
-*/
-
-//________________________________________________________________________________________________________
-Bool_t AliITSAlignMille2::IsParFamilyFree(const AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const
-{
- // check if parameter par is varied and is not subjected to gaussian constraint for the children up to the level depth
- if (depth<0) return kFALSE;
- for (int icld=mod->GetNChildren();icld--;) {
- AliITSAlignMille2Module* child = mod->GetChild(icld);
- //if (child->GetParOffset(par)<0) continue; // fixed
- Bool_t cstMM=kFALSE,cstGS=kFALSE;
- // does this child have gaussian constraint ?
- if (!IsParModConstrained(child,par,cstMM,cstGS) || !cstGS ) return kTRUE;
- // check its children
- if (IsParFamilyFree(child,par,depth-1)) return kTRUE;
- }
- return kFALSE;
- //
-}
-
-//________________________________________________________________________________________________________
-Double_t AliITSAlignMille2::GetTDriftSDD() const
-{
- // obtain drift time corrected for t0
- double t = fCluster.GetDriftTime();
- return t - fDriftTime0[ fCluster.GetUniqueID() ];
-}
-
-//________________________________________________________________________________________________________
-Double_t AliITSAlignMille2::GetVDriftSDD() const
-{
- // obtain corrected drift speed
- return fDriftSpeed[ fCluster.GetUniqueID() ];
-}
-
-//________________________________________________________________________________________________________
-Bool_t AliITSAlignMille2::FixedOrphans() const
-{
- // are there fixed modules with no parent (normally in such a case
- // the constraints on the orphans should not be applied
- if (!IsConfigured()) {
- AliInfo("Still not configured");
- return kFALSE;
- }
- for (int i=0;i<fNModules;i++) {
- AliITSAlignMille2Module* md = GetMilleModule(i);
- if (md->GetParent()==0 && md->GetNParFree()==0) return kTRUE;
- }
- return kFALSE;
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ConvertParamsToGlobal()
-{
- // convert params in local frame to global one
- double pars[AliITSAlignMille2Module::kMaxParGeom];
- for (int imd=fNModules;imd--;) {
- AliITSAlignMille2Module* mod = GetMilleModule(imd);
- if (mod->GeomParamsGlobal()) continue;
- mod->GetGeomParamsGlo(pars);
- mod->SetParVals(pars,AliITSAlignMille2Module::kMaxParGeom);
- mod->SetGeomParamsGlobal(kTRUE);
- }
-}
-
-//________________________________________________________________________________________________________
-void AliITSAlignMille2::ConvertParamsToLocal()
-{
- // convert params in global frame to local one
- double pars[AliITSAlignMille2Module::kMaxParGeom];
- for (int imd=fNModules;imd--;) {
- AliITSAlignMille2Module* mod = GetMilleModule(imd);
- if (!mod->GeomParamsGlobal()) continue;
- mod->GetGeomParamsLoc(pars);
- mod->SetParVals(pars,AliITSAlignMille2Module::kMaxParGeom);
- mod->SetGeomParamsGlobal(kFALSE);
- }
-}
-
+/**************************************************************************\r
+ * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *\r
+ * *\r
+ * Author: The ALICE Off-line Project. *\r
+ * Contributors are mentioned in the code where appropriate. *\r
+ * *\r
+ * Permission to use, copy, modify and distribute this software and its *\r
+ * documentation strictly for non-commercial purposes is hereby granted *\r
+ * without fee, provided that the above copyright notice appears in all *\r
+ * copies and that both the copyright notice and this permission notice *\r
+ * appear in the supporting documentation. The authors make no claims *\r
+ * about the suitability of this software for any purpose. It is *\r
+ * provided "as is" without express or implied warranty. *\r
+ **************************************************************************/\r
+\r
+/* $Id$ */\r
+\r
+//-----------------------------------------------------------------------------\r
+//\r
+// Interface to AliMillePede2 alignment class for the ALICE ITS detector\r
+// \r
+// ITS specific alignment class which interface to AliMillepede. \r
+// For each track ProcessTrack calculates the local and global derivatives\r
+// at each hit and fill the corresponding local equations. Provide methods for\r
+// fixing or constraining detection elements for best results. \r
+// \r
+// author M. Lunardon (thanks to J. Castillo), ruben.shahoyan@cern.ch\r
+//-----------------------------------------------------------------------------\r
+\r
+#include <TFile.h>\r
+#include <TClonesArray.h>\r
+#include <TMath.h>\r
+#include <TVirtualFitter.h>\r
+#include <TGeoManager.h>\r
+#include <TArrayI.h>\r
+#include <TSystem.h>\r
+#include "AliITSAlignMille2.h"\r
+#include "AliITSgeomTGeo.h"\r
+#include "AliGeomManager.h"\r
+#include "AliMillePede2.h"\r
+#include "AliTrackPointArray.h"\r
+#include "AliAlignObjParams.h"\r
+#include "AliLog.h"\r
+#include "AliTrackFitterRieman.h"\r
+#include "AliITSAlignMille2Constraint.h"\r
+#include "AliITSAlignMille2ConstrArray.h"\r
+#include "AliITSresponseSDD.h"\r
+\r
+ClassImp(AliITSAlignMille2)\r
+\r
+const Char_t* AliITSAlignMille2::kRecKeys[] = {\r
+ "GEOMETRY_FILE",\r
+ "SUPERMODULE_FILE",\r
+ "CONSTRAINTS_REFERENCE_FILE",\r
+ "PREALIGNMENT_FILE",\r
+ "PRECALIBSDD_FILE",\r
+ "INITCALBSDD_FILE",\r
+ "SET_GLOBAL_DELTAS",\r
+ "CONSTRAINT_LOCAL",\r
+ "MODULE_VOLUID",\r
+ "MODULE_INDEX",\r
+ "SET_PSEUDO_PARENTS",\r
+ "SET_TRACK_FIT_METHOD",\r
+ "SET_MINPNT_TRA",\r
+ "SET_NSTDDEV",\r
+ "SET_RESCUT_INIT",\r
+ "SET_RESCUT_OTHER",\r
+ "SET_LOCALSIGMAFACTOR",\r
+ "SET_STARTFAC",\r
+ "SET_B_FIELD",\r
+ "SET_SPARSE_MATRIX",\r
+ "REQUIRE_POINT",\r
+ "CONSTRAINT_ORPHANS",\r
+ "CONSTRAINT_SUBUNITS",\r
+ "APPLY_CONSTRAINT"\r
+};\r
+\r
+\r
+//========================================================================================================\r
+\r
+AliITSAlignMille2* AliITSAlignMille2::fgInstance = 0; \r
+Int_t AliITSAlignMille2::fgInstanceID = 0;\r
+\r
+//________________________________________________________________________________________________________\r
+AliITSAlignMille2::AliITSAlignMille2(const Char_t *configFilename ) \r
+: TObject(),\r
+ fMillepede(0),\r
+ fStartFac(16.), \r
+ fResCutInitial(100.), \r
+ fResCut(100.),\r
+ fNGlobal(0),\r
+ fNLocal(4),\r
+ fNStdDev(3),\r
+ fIsMilleInit(kFALSE),\r
+ fAllowPseudoParents(kFALSE),\r
+ //\r
+ fCurrentModule(0),\r
+ fTrack(0),\r
+ fTrackBuff(0),\r
+ fCluster(),\r
+ fGlobalDerivatives(0), \r
+ //\r
+ fMinNPtsPerTrack(3),\r
+ fInitTrackParamsMeth(1),\r
+ fTotBadLocEqPoints(0),\r
+ fRieman(0),\r
+ //\r
+ fConstraints(0),\r
+ //\r
+ fUseGlobalDelta(kFALSE),\r
+ fRequirePoints(kFALSE),\r
+ fTempExcludedModule(-1),\r
+ //\r
+ fGeometryFileName("geometry.root"),\r
+ fPreAlignmentFileName(""),\r
+ fConstrRefFileName(""),\r
+ fGeoManager(0),\r
+ fIsConfigured(kFALSE),\r
+ fPreAlignQF(0),\r
+//\r
+ fCorrectSDD(0),\r
+ fInitialRecSDD(0),\r
+ fPrealignment(0),\r
+ fConstrRef(0),\r
+ fMilleModule(2),\r
+ fSuperModule(2),\r
+ fNModules(0),\r
+ fNSuperModules(0),\r
+ fUsePreAlignment(kFALSE),\r
+ fBOn(kFALSE),\r
+ fBField(0.0),\r
+ fBug(0),\r
+ fMilleVersion(2)\r
+{\r
+ /// main constructor that takes input from configuration file\r
+ for (int i=3;i--;) fSigmaFactor[i] = 1.0;\r
+ //\r
+ // new RS\r
+ for (Int_t i=0; i<6; i++) {\r
+ fNReqLayUp[i]=0;\r
+ fNReqLayDown[i]=0;\r
+ fNReqLay[i]=0;\r
+ }\r
+ for (Int_t i=0; i<3; i++) {\r
+ fNReqDetUp[i]=0;\r
+ fNReqDetDown[i]=0;\r
+ fNReqDet[i]=0;\r
+ }\r
+ //\r
+ Int_t lc=LoadConfig(configFilename);\r
+ if (lc) {\r
+ AliError(Form("Error %d loading configuration from %s",lc,configFilename));\r
+ exit(1);\r
+ }\r
+ //\r
+ fMillepede = new AliMillePede2(); \r
+ fgInstance = this;\r
+ fgInstanceID++;\r
+ //\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+AliITSAlignMille2::~AliITSAlignMille2()\r
+{\r
+ /// Destructor\r
+ if (fMillepede) delete fMillepede; fMillepede = 0;\r
+ if (fGlobalDerivatives) delete[] fGlobalDerivatives; fGlobalDerivatives = 0;\r
+ if (fRieman) delete fRieman; fRieman = 0;\r
+ if (fPrealignment) delete fPrealignment; fPrealignment = 0;\r
+ if (fConstrRef) delete fConstrRef; fConstrRef = 0;\r
+ if (fCorrectSDD) delete fCorrectSDD; fCorrectSDD = 0;\r
+ if (fInitialRecSDD) delete fInitialRecSDD; fInitialRecSDD = 0;\r
+ fTrackBuff.Delete();\r
+ fConstraints.Delete();\r
+ fMilleModule.Delete();\r
+ fSuperModule.Delete();\r
+ if (--fgInstanceID==0) fgInstance = 0;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////\r
+\r
+\r
+TObjArray* AliITSAlignMille2::GetConfigRecord(FILE* stream, TString& recTitle, TString& recOpt, Bool_t rew)\r
+{\r
+ // read new record from config file\r
+ TString record;\r
+ static TObjArray* recElems = 0;\r
+ if (recElems) {delete recElems; recElems = 0;}\r
+ //\r
+ TString keyws = recTitle;\r
+ if (!keyws.IsNull()) {\r
+ keyws.ToUpper();\r
+ // keyws += " ";\r
+ }\r
+ while (record.Gets(stream)) {\r
+ int cmt=record.Index("#"); \r
+ if (cmt>=0) record.Remove(cmt); // skip comment\r
+ record.ReplaceAll("\t"," ");\r
+ record.ReplaceAll("\r"," ");\r
+ record.Remove(TString::kBoth,' '); \r
+ if (record.IsNull()) continue; // nothing to decode \r
+ if (!keyws.IsNull() && !record.BeginsWith(keyws.Data())) continue; // specific record was requested\r
+ //\r
+ recElems = record.Tokenize(" ");\r
+ recTitle = recElems->At(0)->GetName();\r
+ recTitle.ToUpper();\r
+ recOpt = recElems->GetLast()>0 ? recElems->At(1)->GetName() : "";\r
+ break;\r
+ }\r
+ if (rew || !recElems) rewind(stream);\r
+ return recElems;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::CheckConfigRecords(FILE* stream)\r
+{ \r
+ TString record,recTitle;\r
+ int lineCnt = 0;\r
+ rewind(stream);\r
+ while (record.Gets(stream)) {\r
+ int cmt=record.Index("#"); \r
+ lineCnt++;\r
+ if (cmt>=0) record.Remove(cmt); // skip comment\r
+ record.ReplaceAll("\t"," ");\r
+ record.ReplaceAll("\r"," ");\r
+ record.Remove(TString::kBoth,' ');\r
+ if (record.IsNull()) continue; // nothing to decode \r
+ // extract keyword\r
+ int spc = record.Index(" ");\r
+ if (spc>0) recTitle = record(0,spc);\r
+ else recTitle = record;\r
+ recTitle.ToUpper();\r
+ Bool_t strOK = kFALSE;\r
+ for (int ik=kNKeyWords;ik--;) if (recTitle == kRecKeys[ik]) {strOK = kTRUE; break;}\r
+ if (strOK) continue;\r
+ //\r
+ AliError(Form("Unknown keyword %s at line %d",\r
+ recTitle.Data(),lineCnt));\r
+ return -1;\r
+ //\r
+ }\r
+ //\r
+ rewind(stream);\r
+ return 0;\r
+}\r
+\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::LoadConfig(const Char_t *cfile)\r
+{ \r
+ // return 0 if success\r
+ // 1 if error in module index or voluid\r
+ //\r
+ FILE *pfc=fopen(cfile,"r");\r
+ if (!pfc) return -1;\r
+ //\r
+ TString record,recTitle,recOpt,recExt;\r
+ Int_t nrecElems,irec;\r
+ TObjArray *recArr=0;\r
+ //\r
+ fNModules = 0;\r
+ Bool_t stopped = kFALSE;\r
+ //\r
+ if (CheckConfigRecords(pfc)<0) return -1;\r
+ //\r
+ while(1) { \r
+ //\r
+ // ============= 1: we read some obligatory records in predefined order ================\r
+ // \r
+ recTitle = kRecKeys[kGeomFile];\r
+ if ( !GetConfigRecord(pfc,recTitle,recOpt,1) || \r
+ (fGeometryFileName=recOpt).IsNull() || \r
+ gSystem->AccessPathName(recOpt.Data()) ||\r
+ InitGeometry() )\r
+ { AliError("Failed to find/load Geometry"); stopped = kTRUE; break;}\r
+ //\r
+ recTitle = kRecKeys[kSuperModileFile];\r
+ if ( !GetConfigRecord(pfc,recTitle,recOpt,1) || \r
+ recOpt.IsNull() || \r
+ gSystem->AccessPathName(recOpt.Data()) ||\r
+ LoadSuperModuleFile(recOpt.Data()))\r
+ { AliError("Failed to find/load SuperModules"); stopped = kTRUE; break;}\r
+ //\r
+ recTitle = kRecKeys[kConstrRefFile]; // LOCAL_CONSTRAINTS are defined wrt these deltas\r
+ if ( GetConfigRecord(pfc,recTitle,recOpt,1) ) {\r
+ if (recOpt.IsNull() || recOpt=="IDEAL") SetConstraintWrtRef( "IDEAL" );\r
+ else if (gSystem->AccessPathName(recOpt.Data()) || SetConstraintWrtRef(recOpt.Data()) )\r
+ { AliError("Failed to load reference deltas for local constraints"); stopped = kTRUE; break;}\r
+ }\r
+ // \r
+ recTitle = kRecKeys[kPrealignFile];\r
+ if ( GetConfigRecord(pfc,recTitle,recOpt,1) )\r
+ if ( (fPreAlignmentFileName=recOpt).IsNull() || \r
+ gSystem->AccessPathName(recOpt.Data()) ||\r
+ ApplyToGeometry()) \r
+ { AliError(Form("Failed to load Prealignment file %s",recOpt.Data())); stopped = kTRUE; break;}\r
+ //\r
+ recTitle = kRecKeys[kPreCalSDDFile];\r
+ if ( GetConfigRecord(pfc,recTitle,recOpt,1) ) {\r
+ if ( recOpt.IsNull() || gSystem->AccessPathName(recOpt.Data()) ) {stopped = kTRUE; break;}\r
+ AliInfo(Form("Using %s for SDD precalibration",recOpt.Data()));\r
+ TFile* precfi = TFile::Open(recOpt.Data());\r
+ if (!precfi->IsOpen()) {stopped = kTRUE; break;}\r
+ fCorrectSDD = (AliITSresponseSDD*)precfi->Get("AliITSresponseSDD");\r
+ precfi->Close();\r
+ delete precfi;\r
+ if (!fCorrectSDD) {AliError("Precalibration SDD object is not found"); stopped = kTRUE; break;}\r
+ }\r
+ //\r
+ recTitle = kRecKeys[ kInitCalSDDFile ];\r
+ if ( GetConfigRecord(pfc,recTitle,recOpt,1) ) {\r
+ if ( recOpt.IsNull() || gSystem->AccessPathName(recOpt.Data()) ) {stopped = kTRUE; break;}\r
+ AliInfo(Form("Using %s as SDD calibration used in TrackPoints",recOpt.Data()));\r
+ TFile* precf = TFile::Open(recOpt.Data());\r
+ if (!precf->IsOpen()) {stopped = kTRUE; break;}\r
+ fInitialRecSDD = (AliITSresponseSDD*)precf->Get("AliITSresponseSDD");\r
+ precf->Close();\r
+ delete precf;\r
+ if (!fInitialRecSDD) {AliError("Initial Calibration SDD object is not found"); stopped = kTRUE; break;}\r
+ }\r
+ //\r
+ recTitle = kRecKeys[ kGlobalDeltas ];\r
+ if ( GetConfigRecord(pfc,recTitle,recOpt,1) ) SetUseGlobalDelta(kTRUE);\r
+ //\r
+ // =========== 2: see if there are local gaussian constraints defined =====================\r
+ // Note that they should be loaded before the modules declaration\r
+ //\r
+ recTitle = kRecKeys[ kConstrLocal ];\r
+ while( (recArr=GetConfigRecord(pfc,recTitle,recOpt,0)) ) {\r
+ nrecElems = recArr->GetLast()+1;\r
+ if (recOpt.IsFloat()) {stopped = kTRUE; break;} // wrong name\r
+ if (GetConstraint(recOpt.Data())) {\r
+ AliError(Form("Existing constraint %s repeated",recOpt.Data()));\r
+ stopped = kTRUE; break;\r
+ }\r
+ recExt = recArr->At(2)->GetName();\r
+ if (!recExt.IsFloat()) {stopped = kTRUE; break;}\r
+ double val = recExt.Atof(); \r
+ recExt = recArr->At(3)->GetName();\r
+ if (!recExt.IsFloat()) {stopped = kTRUE; break;}\r
+ double err = recExt.Atof(); \r
+ int nwgh = nrecElems - 4;\r
+ double *wgh = new double[nwgh];\r
+ for (nwgh=0,irec=4;irec<nrecElems;irec++) {\r
+ recExt = recArr->At(irec)->GetName();\r
+ if (!recExt.IsFloat()) {stopped = kTRUE; break;}\r
+ wgh[nwgh++] = recExt.Atof();\r
+ }\r
+ if (stopped) {delete[] wgh; break;}\r
+ //\r
+ ConstrainLocal(recOpt.Data(),wgh,nwgh,val,err);\r
+ delete[] wgh;\r
+ //\r
+ } // end while for loop over local constraints\r
+ if (stopped) break;\r
+ //\r
+ // =========== 3: now read modules to align ===================================\r
+ //\r
+ rewind(pfc);\r
+ while( (recArr=GetConfigRecord(pfc,recTitle="",recOpt,0)) ) {\r
+ if (!(recTitle==kRecKeys[ kModVolID ] || recTitle==kRecKeys[ kModIndex ])) continue;\r
+ // Expected format: MODULE id tolX tolY tolZ tolPsi tolTh tolPhi [[sigX sigY sigZ] extra params]\r
+ // where tol* is the tolerance (sigma) for given DOF. 0 means fixed\r
+ // sig* is the scaling parameters for the errors of the clusters of this module\r
+ // extra params are defined for specific modules, e.g. t0 and vdrift corrections of SDD\r
+ //\r
+ nrecElems = recArr->GetLast()+1;\r
+ if (nrecElems<2 || !recOpt.IsDigit()) {stopped = kTRUE; break;}\r
+ int idx = recOpt.Atoi(); \r
+ UShort_t voluid = (idx<=kMaxITSSensID) ? GetModuleVolumeID(idx) : idx;\r
+ AliITSAlignMille2Module* mod = 0;\r
+ //\r
+ if (voluid>=kMinITSSupeModuleID) { // custom supermodule\r
+ for (int j=0; j<fNSuperModules; j++) {\r
+ if (voluid==GetSuperModule(j)->GetVolumeID()) {\r
+ mod = new AliITSAlignMille2Module(*GetSuperModule(j));\r
+ // the matrix might be updated in case some prealignment was applied, check \r
+ TGeoHMatrix* mup = AliGeomManager::GetMatrix(mod->GetName());\r
+ if (mup) *(mod->GetMatrix()) = *mup;\r
+ fMilleModule.AddAtAndExpand(mod,fNModules);\r
+ break;\r
+ } \r
+ }\r
+ }\r
+ else if (idx<=kMaxITSSensVID) {\r
+ mod = new AliITSAlignMille2Module(voluid);\r
+ fMilleModule.AddAtAndExpand(mod,fNModules);\r
+ }\r
+ if (!mod) {stopped = kTRUE; break;} // bad volid\r
+ //\r
+ // geometry variation settings\r
+ for (int i=0;i<AliITSAlignMille2Module::kMaxParGeom;i++) {\r
+ irec = i+2;\r
+ if (irec >= nrecElems) break;\r
+ recExt = recArr->At(irec)->GetName();\r
+ if (!recExt.IsFloat()) {stopped = kTRUE; break;}\r
+ mod->SetFreeDOF(i, recExt.Atof() ); \r
+ }\r
+ if (stopped) break;\r
+ //\r
+ // scaling factors for cluster errors\r
+ // first set default ones\r
+ for (int i=0;i<3;i++) mod->SetSigmaFactor(i, fSigmaFactor[i]); \r
+ for (int i=0;i<3;i++) {\r
+ irec = i+8;\r
+ if (irec >= nrecElems) break;\r
+ recExt = recArr->At(irec)->GetName();\r
+ if (!recExt.IsFloat()) {stopped = kTRUE; break;}\r
+ mod->SetSigmaFactor(i, recExt.Atof() ); \r
+ } \r
+ if (stopped) break;\r
+ //\r
+ mod->SetGeomParamsGlobal(fUseGlobalDelta);\r
+ // now comes special detectors treatment\r
+ if (mod->IsSDD()) {\r
+ double vl = 0;\r
+ if (nrecElems>11) {\r
+ recExt = recArr->At(11)->GetName();\r
+ if (recExt.IsFloat()) vl = recExt.Atof();\r
+ else {stopped = kTRUE; break;}\r
+ irec = 11;\r
+ }\r
+ mod->SetFreeDOF(AliITSAlignMille2Module::kDOFT0,vl);\r
+ //\r
+ vl = 0;\r
+ if (nrecElems>12) {\r
+ recExt = recArr->At(12)->GetName();\r
+ if (recExt.IsFloat()) vl = recExt.Atof();\r
+ else {stopped = kTRUE; break;}\r
+ irec = 12;\r
+ }\r
+ mod->SetFreeDOF(AliITSAlignMille2Module::kDOFDV,vl);\r
+ }\r
+ //\r
+ mod->SetUniqueID(fNModules);\r
+ mod->EvaluateDOF();\r
+ fNModules++;\r
+ //\r
+ // now check if there are local constraints on this module\r
+ for (++irec;irec<nrecElems;irec++) {\r
+ recExt = recArr->At(irec)->GetName();\r
+ if (recExt.IsFloat()) {stopped=kTRUE;break;}\r
+ AliITSAlignMille2ConstrArray* cstr = (AliITSAlignMille2ConstrArray*)GetConstraint(recExt.Data());\r
+ if (!cstr) {\r
+ AliInfo(Form("No Local constraint %s was declared",recExt.Data())); \r
+ stopped=kTRUE; \r
+ break;\r
+ }\r
+ cstr->AddModule(mod);\r
+ }\r
+ if (stopped) break;\r
+ } // end while for loop over modules\r
+ if (stopped) break;\r
+ //\r
+ if (fNModules==0) {AliError("Failed to find any MODULE"); stopped = kTRUE; break;} \r
+ BuildHierarchy(); // preprocess loaded modules\r
+ //\r
+ // =========== 4: the rest may come in arbitrary order =======================================\r
+ rewind(pfc);\r
+ while ( (recArr=GetConfigRecord(pfc,recTitle="",recOpt,0))!=0 ) {\r
+ //\r
+ nrecElems = recArr->GetLast()+1;\r
+ //\r
+ // some simple flags -----------------------------------------------------------------------\r
+ //\r
+ if (recTitle == kRecKeys[ kPseudoParents ]) SetAllowPseudoParents(kTRUE);\r
+ //\r
+ // some optional parameters ----------------------------------------------------------------\r
+ else if (recTitle == kRecKeys[ kTrackFitMethod ]) {\r
+ if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;}\r
+ SetInitTrackParamsMeth(recOpt.Atoi());\r
+ }\r
+ //\r
+ else if (recTitle == kRecKeys[ kMinPntTrack ]) {\r
+ if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;}\r
+ fMinNPtsPerTrack = recOpt.Atoi();\r
+ }\r
+ //\r
+ else if (recTitle == kRecKeys[ kNStDev ]) {\r
+ if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;}\r
+ fNStdDev = (Int_t)recOpt.Atof();\r
+ }\r
+ //\r
+ else if (recTitle == kRecKeys[ kResCutInit ]) {\r
+ if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;}\r
+ fResCutInitial = recOpt.Atof();\r
+ }\r
+ //\r
+ else if (recTitle == kRecKeys[ kResCutOther ]) {\r
+ if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;}\r
+ fResCut = recOpt.Atof();\r
+ }\r
+ //\r
+ else if (recTitle == kRecKeys[ kLocalSigFactor ]) { //-------------------------\r
+ for (irec=0;irec<3;irec++) if (nrecElems>irec+1) {\r
+ fSigmaFactor[irec] = ((TObjString*)recArr->At(irec+1))->GetString().Atof();\r
+ if (fSigmaFactor[irec]<=0.) stopped = kTRUE;\r
+ }\r
+ if (stopped) break; \r
+ }\r
+ //\r
+ else if (recTitle == kRecKeys[ kStartFactor ]) { //-------------------------\r
+ if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;}\r
+ fStartFac = recOpt.Atof();\r
+ }\r
+ //\r
+ else if (recTitle == kRecKeys[ kBField ]) { //-------------------------\r
+ if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;}\r
+ fBField = recOpt.Atof();\r
+ if (fBField>0) {\r
+ fBOn = kTRUE;\r
+ fNLocal = 5; // helices\r
+ fRieman = new AliTrackFitterRieman();\r
+ } \r
+ else {\r
+ fBField = 0.0;\r
+ fBOn = kFALSE;\r
+ fNLocal = 4;\r
+ }\r
+ }\r
+ //\r
+ else if (recTitle == kRecKeys[ kSparseMatrix ]) { // matrix solver type\r
+ //\r
+ AliMillePede2::SetGlobalMatSparse(kTRUE);\r
+ if (recOpt.IsNull()) continue;\r
+ // solver type and settings\r
+ if (recOpt == "MINRES") AliMillePede2::SetIterSolverType( AliMinResSolve::kSolMinRes );\r
+ else if (recOpt == "FGMRES") AliMillePede2::SetIterSolverType( AliMinResSolve::kSolFGMRes );\r
+ else {stopped = kTRUE; break;}\r
+ //\r
+ if (nrecElems>=3) { // preconditioner type\r
+ recExt = recArr->At(2)->GetName();\r
+ if (!recExt.IsDigit()) {stopped = kTRUE; break;}\r
+ AliMillePede2::SetMinResPrecondType( recExt.Atoi() );\r
+ }\r
+ //\r
+ if (nrecElems>=4) { // tolerance\r
+ recExt = recArr->At(3)->GetName();\r
+ if (!recExt.IsFloat()) {stopped = kTRUE; break;}\r
+ AliMillePede2::SetMinResTol( recExt.Atof() );\r
+ }\r
+ //\r
+ if (nrecElems>=5) { // maxIter\r
+ recExt = recArr->At(4)->GetName();\r
+ if (!recExt.IsDigit()) {stopped = kTRUE; break;}\r
+ AliMillePede2::SetMinResMaxIter( recExt.Atoi() );\r
+ } \r
+ }\r
+ //\r
+ else if (recTitle == kRecKeys[ kRequirePoint ]) { //-------------------------\r
+ // syntax: REQUIRE_POINT where ndet updw nreqpts\r
+ // where = LAYER or DETECTOR\r
+ // ndet = detector number: 1-6 for LAYER and 1-3 for DETECTOR (SPD=1, SDD=2, SSD=3)\r
+ // updw = 1 for Y>0, -1 for Y<0, 0 if not specified\r
+ // nreqpts = minimum number of points of that type\r
+ if (nrecElems>=5) {\r
+ recOpt.ToUpper();\r
+ int lr = ((TObjString*)recArr->At(2))->GetString().Atoi() - 1;\r
+ int hb = ((TObjString*)recArr->At(3))->GetString().Atoi();\r
+ int np = ((TObjString*)recArr->At(4))->GetString().Atoi();\r
+ fRequirePoints = kTRUE;\r
+ if (recOpt == "LAYER") {\r
+ if (lr<0 || lr>5) {stopped = kTRUE; break;}\r
+ if (hb>0) fNReqLayUp[lr] = np;\r
+ else if (hb<0) fNReqLayDown[lr] = np;\r
+ else fNReqLay[lr] = np;\r
+ }\r
+ else if (recOpt == "DETECTOR") {\r
+ if (lr<0 || lr>2) {stopped = kTRUE; break;}\r
+ if (hb>0) fNReqDetUp[lr] = np;\r
+ else if (hb<0) fNReqDetDown[lr] = np;\r
+ else fNReqDet[lr] = np;\r
+ }\r
+ else {stopped = kTRUE; break;}\r
+ }\r
+ else {stopped = kTRUE; break;}\r
+ }\r
+ //\r
+ // global constraints on the subunits/orphans \r
+ else if (recTitle == kRecKeys[ kConstrOrphans ]) { //------------------------\r
+ // expect CONSTRAINT_ORPHANS MEAN/MEDIAN Value parID0 ... parID1 ...\r
+ if (nrecElems<4) {stopped = kTRUE; break;}\r
+ recExt = recArr->At(2)->GetName();\r
+ if (!recExt.IsFloat()) {stopped = kTRUE; break;}\r
+ double val = recExt.Atof();\r
+ UInt_t pattern = 0;\r
+ for (irec=3;irec<nrecElems;irec++) { // read params to constraint\r
+ recExt = recArr->At(irec)->GetName();\r
+ if (!recExt.IsDigit()) {stopped = kTRUE; break;}\r
+ pattern |= 0x1 << recExt.Atoi();\r
+ }\r
+ if (stopped) break;\r
+ if (recOpt == "MEAN") ConstrainOrphansMean(val,pattern);\r
+ else if (recOpt == "MEDIAN") ConstrainOrphansMedian(val,pattern);\r
+ else {stopped = kTRUE; break;}\r
+ }\r
+ //\r
+ else if (recTitle == kRecKeys[ kConstrSubunits ]) { //------------------------\r
+ // expect ONSTRAINT_SUBUNITS MEAN/MEDIAN Value parID0 ... parID1 ... VolID1 ... VolIDn - VolIDm\r
+ if (nrecElems<5) {stopped = kTRUE; break;}\r
+ recExt = recArr->At(2)->GetName();\r
+ if (!recExt.IsFloat()) {stopped = kTRUE; break;}\r
+ double val = recExt.Atof();\r
+ UInt_t pattern = 0;\r
+ for (irec=3;irec<nrecElems;irec++) { // read params to constraint\r
+ recExt = recArr->At(irec)->GetName();\r
+ if (!recExt.IsDigit()) {stopped = kTRUE; break;}\r
+ int parid = recExt.Atoi();\r
+ if (parid<kMaxITSSensID) pattern |= 0x1 << recExt.Atoi();\r
+ else break; // list of params is over \r
+ }\r
+ if (stopped) break;\r
+ //\r
+ Bool_t meanC;\r
+ if (recOpt == "MEAN") meanC = kTRUE;\r
+ else if (recOpt == "MEDIAN") meanC = kFALSE;\r
+ else {stopped = kTRUE; break;}\r
+ //\r
+ int curID = -1;\r
+ int rangeStart = -1;\r
+ for (;irec<nrecElems;irec++) { // read modules to apply this constraint\r
+ recExt = recArr->At(irec)->GetName();\r
+ if (recExt == "-") {rangeStart = curID; continue;} // range is requested\r
+ else if (!recExt.IsDigit()) {stopped = kTRUE; break;}\r
+ else curID = recExt.Atoi();\r
+ //\r
+ if (curID<=kMaxITSSensID) curID = GetModuleVolumeID(curID);\r
+ // this was a range start or single \r
+ int start;\r
+ if (rangeStart>=0) {start = rangeStart+1; rangeStart=-1;} // continue the range\r
+ else start = curID; // create constraint either for single module (or 1st in the range)\r
+ for (int id=start;id<=curID;id++) {\r
+ int id0 = IsVIDDefined(id);\r
+ if (id0<0) {AliDebug(3,Form("Undefined module %d requested in the SubUnits constraint, skipping",id)); continue;}\r
+ if (meanC) ConstrainModuleSubUnitsMean(id0,val,pattern);\r
+ else ConstrainModuleSubUnitsMedian(id0,val,pattern);\r
+ }\r
+ }\r
+ if (rangeStart>=0) stopped = kTRUE; // unfinished range\r
+ if (stopped) break;\r
+ } \r
+ // \r
+ // association of modules with local constraints\r
+ else if (recTitle == kRecKeys[ kApplyConstr ]) { //------------------------\r
+ // expect APPLY_CONSTRAINT NAME [NAME1...] [VolID1 ... VolIDn - VolIDm]\r
+ if (nrecElems<3) {stopped = kTRUE; break;}\r
+ int nmID0=-1,nmID1=-1;\r
+ for (irec=1;irec<nrecElems;irec++) { // find the range of constraint names\r
+ recExt = recArr->At(irec)->GetName();\r
+ if (recExt.IsFloat()) break;\r
+ // check if such a constraint was declared\r
+ if (!GetConstraint(recExt.Data())) {\r
+ AliInfo(Form("No Local constraint %s was declared",recExt.Data())); \r
+ stopped=kTRUE; \r
+ break;\r
+ }\r
+ if (nmID0<0) nmID0 = irec;\r
+ nmID1 = irec;\r
+ }\r
+ if (stopped) break;\r
+ //\r
+ if (irec>=nrecElems) {stopped = kTRUE; break;} // no modules provided\r
+ //\r
+ // now read the list of modules to constrain\r
+ int curID = -1;\r
+ int rangeStart = -1;\r
+ for (;irec<nrecElems;irec++) { // read modules to apply this constraint\r
+ recExt = recArr->At(irec)->GetName();\r
+ if (recExt == "-") {rangeStart = curID; continue;} // range is requested\r
+ else if (!recExt.IsDigit()) {stopped = kTRUE; break;}\r
+ else curID = recExt.Atoi();\r
+ //\r
+ if (curID<=kMaxITSSensID) curID = GetModuleVolumeID(curID);\r
+ //\r
+ // this was a range start or single \r
+ int start;\r
+ if (rangeStart>=0) {start = rangeStart+1; rangeStart=-1;} // continue the range\r
+ else start = curID; // create constraint either for single module (or 1st in the range)\r
+ for (int id=start;id<=curID;id++) {\r
+ AliITSAlignMille2Module *md = GetMilleModuleByVID(id);\r
+ if (!md) {AliDebug(3,Form("Undefined module %d requested in the Local constraint, skipping",id)); continue;}\r
+ for (int nmid=nmID0;nmid<=nmID1;nmid++) \r
+ ((AliITSAlignMille2ConstrArray*)GetConstraint(recArr->At(nmid)->GetName()))->AddModule(md);\r
+ }\r
+ }\r
+ if (rangeStart>=0) stopped = kTRUE; // unfinished range\r
+ if (stopped) break;\r
+ }\r
+ //\r
+ else continue; // already processed record\r
+ //\r
+ } // end of while loop 4 over the various params \r
+ //\r
+ break;\r
+ } // end of while(1) loop \r
+ //\r
+ fclose(pfc);\r
+ if (stopped) {\r
+ AliError(Form("Failed on record %s %s ...\n",recTitle.Data(),recOpt.Data()));\r
+ return -1;\r
+ }\r
+ //\r
+ fIsConfigured = kTRUE;\r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::BuildHierarchy()\r
+{\r
+ // build the hieararhy of the modules to align\r
+ //\r
+ if (!GetUseGlobalDelta() && PseudoParentsAllowed()) {\r
+ AliInfo("PseudoParents mode is allowed only when the deltas are global\n"\r
+ "Since Deltas are local, switching to NoPseudoParents");\r
+ SetAllowPseudoParents(kFALSE);\r
+ }\r
+ // set parent/child relationship for modules to align\r
+ AliInfo("Setting parent/child relationships\n");\r
+ //\r
+ // 1) child -> parent reference\r
+ for (int ipar=0;ipar<fNModules;ipar++) {\r
+ AliITSAlignMille2Module* parent = GetMilleModule(ipar);\r
+ if (parent->IsSensor()) continue; // sensor cannot be a parent\r
+ //\r
+ for (int icld=0;icld<fNModules;icld++) {\r
+ if (icld==ipar) continue;\r
+ AliITSAlignMille2Module* child = GetMilleModule(icld);\r
+ if (!child->BelongsTo(parent)) continue;\r
+ // child cannot have more sensors than the parent\r
+ if (child->GetNSensitiveVolumes() > parent->GetNSensitiveVolumes()) continue;\r
+ //\r
+ AliITSAlignMille2Module* parOld = child->GetParent();\r
+ // is this parent candidate closer than the old parent ? \r
+ if (parOld && parOld->GetNSensitiveVolumes()<parent->GetNSensitiveVolumes()) continue; // parOld is closer\r
+ child->SetParent(parent);\r
+ }\r
+ //\r
+ }\r
+ //\r
+ // add parent -> children reference\r
+ for (int icld=0;icld<fNModules;icld++) {\r
+ AliITSAlignMille2Module* child = GetMilleModule(icld);\r
+ AliITSAlignMille2Module* parent = child->GetParent();\r
+ if (parent) parent->AddChild(child);\r
+ } \r
+ //\r
+ // reorder the modules in such a way that parents come first\r
+ for (int icld=0;icld<fNModules;icld++) {\r
+ AliITSAlignMille2Module* child = GetMilleModule(icld);\r
+ AliITSAlignMille2Module* parent; \r
+ while ( (parent=child->GetParent()) && (parent->GetUniqueID()>child->GetUniqueID()) ) {\r
+ // swap\r
+ fMilleModule[icld] = parent;\r
+ fMilleModule[parent->GetUniqueID()] = child;\r
+ child->SetUniqueID(parent->GetUniqueID());\r
+ parent->SetUniqueID(icld);\r
+ child = parent;\r
+ }\r
+ //\r
+ } \r
+ //\r
+ // Go over the child->parent chain and mark modules with explicitly provided sensors.\r
+ // If the sensors of the unit are explicitly declared, all undeclared sensors are \r
+ // suppresed in this unit.\r
+ for (int icld=fNModules;icld--;) {\r
+ AliITSAlignMille2Module* child = GetMilleModule(icld);\r
+ AliITSAlignMille2Module* parent = child->GetParent();\r
+ if (!parent) continue;\r
+ //\r
+ // check if this parent was already processed\r
+ if (!parent->AreSensorsProvided()) {\r
+ parent->DelSensitiveVolumes();\r
+ parent->SetSensorsProvided(kTRUE);\r
+ }\r
+ // reattach sensors to parent\r
+ for (int isc=child->GetNSensitiveVolumes();isc--;) {\r
+ UShort_t senVID = child->GetSensVolVolumeID(isc);\r
+ if (!parent->IsIn(senVID)) parent->AddSensitiveVolume(senVID);\r
+ }\r
+ }\r
+ //\r
+}\r
+\r
+// pepo\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::SetCurrentModule(Int_t id)\r
+{\r
+ // set the current supermodule\r
+ // new meaning\r
+ if (fMilleVersion>=2) {\r
+ fCurrentModule = GetMilleModule(id);\r
+ return;\r
+ }\r
+ // old meaning\r
+ if (fMilleVersion<=1) {\r
+ Int_t index=id;\r
+ /// set as current the SuperModule that contains the 'index' sens.vol.\r
+ if (index<0 || index>2197) {\r
+ AliInfo("index does not correspond to a sensitive volume!");\r
+ return;\r
+ }\r
+ UShort_t voluid=AliITSAlignMille2Module::GetVolumeIDFromIndex(index);\r
+ Int_t k=IsContained(voluid);\r
+ if (k>=0){\r
+ fCluster.SetVolumeID(voluid);\r
+ fCluster.SetXYZ(0,0,0);\r
+ InitModuleParams();\r
+ }\r
+ else\r
+ AliInfo(Form("module %d not defined\n",index)); \r
+ }\r
+}\r
+// endpepo\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::SetRequiredPoint(Char_t* where, Int_t ndet, Int_t updw, Int_t nreqpts) \r
+{\r
+ // set minimum number of points in specific detector or layer\r
+ // where = LAYER or DETECTOR\r
+ // ndet = detector number: 1-6 for LAYER and 1-3 for DETECTOR (SPD=1, SDD=2, SSD=3)\r
+ // updw = 1 for Y>0, -1 for Y<0, 0 if not specified\r
+ // nreqpts = minimum number of points of that type\r
+ ndet--;\r
+ if (strstr(where,"LAYER")) {\r
+ if (ndet<0 || ndet>5) return;\r
+ if (updw>0) fNReqLayUp[ndet]=nreqpts;\r
+ else if (updw<0) fNReqLayDown[ndet]=nreqpts;\r
+ else fNReqLay[ndet]=nreqpts;\r
+ fRequirePoints=kTRUE;\r
+ }\r
+ else if (strstr(where,"DETECTOR")) {\r
+ if (ndet<0 || ndet>2) return;\r
+ if (updw>0) fNReqDetUp[ndet]=nreqpts;\r
+ else if (updw<0) fNReqDetDown[ndet]=nreqpts;\r
+ else fNReqDet[ndet]=nreqpts; \r
+ fRequirePoints=kTRUE;\r
+ }\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::GetModuleIndex(const Char_t *symname) \r
+{\r
+ /// index from symname\r
+ if (!symname) return -1;\r
+ for (Int_t i=0;i<=kMaxITSSensID; i++) {\r
+ if (!strcmp(symname,AliITSgeomTGeo::GetSymName(i))) return i;\r
+ }\r
+ return -1;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::GetModuleIndex(UShort_t voluid) \r
+{\r
+ /// index from volume ID\r
+ AliGeomManager::ELayerID lay = AliGeomManager::VolUIDToLayer(voluid);\r
+ if (lay<1|| lay>6) return -1;\r
+ Int_t idx=Int_t(voluid)-2048*lay;\r
+ if (idx>=AliGeomManager::LayerSize(lay)) return -1;\r
+ for (Int_t ilay=1; ilay<lay; ilay++) \r
+ idx += AliGeomManager::LayerSize(ilay);\r
+ return idx;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+UShort_t AliITSAlignMille2::GetModuleVolumeID(const Char_t *symname) \r
+{\r
+ /// volume ID from symname\r
+ /// works for sensitive volumes only\r
+ if (!symname) return 0;\r
+\r
+ for (UShort_t voluid=2000; voluid<13300; voluid++) {\r
+ Int_t modId;\r
+ AliGeomManager::ELayerID layerId = AliGeomManager::VolUIDToLayer(voluid,modId);\r
+ if (layerId>0 && layerId<7 && modId>=0 && modId<AliGeomManager::LayerSize(layerId)) {\r
+ if (!strcmp(symname,AliGeomManager::SymName(layerId,modId))) return voluid;\r
+ }\r
+ }\r
+\r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+UShort_t AliITSAlignMille2::GetModuleVolumeID(Int_t index) \r
+{\r
+ /// volume ID from index\r
+ if (index<0) return 0;\r
+ if (index<2198)\r
+ return GetModuleVolumeID(AliITSgeomTGeo::GetSymName(index));\r
+ else {\r
+ for (int i=0; i<fNSuperModules; i++) {\r
+ if (GetSuperModule(i)->GetIndex()==index) return GetSuperModule(i)->GetVolumeID();\r
+ }\r
+ }\r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::InitGeometry() \r
+{\r
+ /// initialize geometry\r
+ AliInfo("Loading initial geometry");\r
+ AliGeomManager::LoadGeometry(fGeometryFileName.Data());\r
+ fGeoManager = AliGeomManager::GetGeometry();\r
+ if (!fGeoManager) {\r
+ AliInfo("Couldn't initialize geometry");\r
+ return -1;\r
+ }\r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::SetConstraintWrtRef(const char* reffname) \r
+{\r
+ // Load the global deltas from this file. The local gaussian constraints on some modules \r
+ // will be defined with respect to the deltas from this reference file, converted to local\r
+ // delta format. Note: conversion to local format requires reloading the geometry!\r
+ //\r
+ AliInfo(Form("Loading reference deltas for local constraints from %s",reffname));\r
+ if (!fGeoManager) return -1; \r
+ fConstrRefFileName = reffname;\r
+ if (fConstrRefFileName == "IDEAL") { // the reference is the ideal geometry, just create dummy reference array\r
+ fConstrRef = new TClonesArray("AliAlignObjParams",1);\r
+ return 0;\r
+ }\r
+ TFile *pref = TFile::Open(fConstrRefFileName.Data());\r
+ if (!pref->IsOpen()) return -2; \r
+ fConstrRef = (TClonesArray*)pref->Get("ITSAlignObjs");\r
+ pref->Close();\r
+ delete pref;\r
+ if (!fConstrRef) {\r
+ AliError(Form("Did not find reference prealignment deltas in %s",reffname));\r
+ return -1;\r
+ }\r
+ //\r
+ // we need ideal geometry to convert global deltas to local ones\r
+ if (fUsePreAlignment) {\r
+ AliError("The call of SetConstraintWrtRef must be done before application of the prealignment");\r
+ return -1;\r
+ }\r
+ //\r
+ AliInfo("Converting global reference deltas to local ones");\r
+ Int_t nprea = fConstrRef->GetEntriesFast();\r
+ for (int ix=0; ix<nprea; ix++) {\r
+ AliAlignObjParams *preo=(AliAlignObjParams*) fConstrRef->At(ix);\r
+ if (!preo->ApplyToGeometry()) return -1;\r
+ }\r
+ //\r
+ // now convert the global reference deltas to local ones\r
+ for (int i=fConstrRef->GetEntriesFast();i--;) {\r
+ AliAlignObjParams *preo = (AliAlignObjParams*)fConstrRef->At(i);\r
+ TGeoHMatrix * mupd = AliGeomManager::GetMatrix(preo->GetSymName());\r
+ if (!mupd) { // this is not alignable entry, need to look in the supermodules\r
+ for (int im=fNSuperModules;im--;) {\r
+ AliITSAlignMille2Module* mod = GetSuperModule(im);\r
+ if ( strcmp(mod->GetName(), preo->GetSymName()) ) continue;\r
+ mupd = mod->GetMatrix();\r
+ break;\r
+ }\r
+ if (!mupd) {\r
+ AliError(Form("Failed to find the volume for reference %s",preo->GetSymName()));\r
+ return -1;\r
+ }\r
+ } \r
+ TGeoHMatrix preMat;\r
+ preo->GetMatrix(preMat); // Delta_Glob\r
+ TGeoHMatrix tmpMat = *mupd; // Delta_Glob * Delta_Glob_Par * M\r
+ preMat.MultiplyLeft( &tmpMat.Inverse() ); // M^-1 * Delta_Glob_Par^-1 = (Delta_Glob_Par * M)^-1\r
+ tmpMat.MultiplyLeft( &preMat ); // (Delta_Glob_Par * M)^-1 * Delta_Glob * Delta_Glob_Par * M = Delta_loc\r
+ preo->SetMatrix(tmpMat); // local corrections \r
+ }\r
+ //\r
+ // we need to reload the geometry spoiled by this reference deltas...\r
+ delete fGeoManager;\r
+ AliInfo("Reloading initial geometry");\r
+ AliGeomManager::LoadGeometry(fGeometryFileName.Data());\r
+ fGeoManager = AliGeomManager::GetGeometry();\r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::Init()\r
+{\r
+ // perform global initialization\r
+ //\r
+ if (fIsMilleInit) {\r
+ AliInfo("Millepede has been already initialized!");\r
+ return;\r
+ }\r
+ // range constraints in such a way that the childs are constrained before their parents\r
+ // orphan constraints come last\r
+ for (int ic=0;ic<GetNConstraints();ic++) {\r
+ for (int ic1=ic+1;ic1<GetNConstraints();ic1++) {\r
+ AliITSAlignMille2Constraint *cst0 = GetConstraint(ic);\r
+ AliITSAlignMille2Constraint *cst1 = GetConstraint(ic1);\r
+ if (cst0->GetModuleID()<cst1->GetModuleID()) {\r
+ // swap\r
+ fConstraints[ic] = cst1;\r
+ fConstraints[ic1] = cst0;\r
+ }\r
+ }\r
+ }\r
+ //\r
+ if (!GetUseGlobalDelta()) {\r
+ AliInfo("ATTENTION: The parameters are defined in the local frame, no check for degeneracy will be done");\r
+ for (int imd=fNModules;imd--;) {\r
+ AliITSAlignMille2Module* mod = GetMilleModule(imd);\r
+ int npar = mod->GetNParTot();\r
+ // the parameter may have max 1 free instance, otherwise the equations are underdefined\r
+ for (int ipar=0;ipar<npar;ipar++) {\r
+ if (!mod->IsFreeDOF(ipar)) continue;\r
+ mod->SetParOffset(ipar,fNGlobal++);\r
+ }\r
+ }\r
+ }\r
+ else {\r
+ // init millepede, decide which parameters are to be fitted explicitly\r
+ for (int imd=fNModules;imd--;) {\r
+ AliITSAlignMille2Module* mod = GetMilleModule(imd);\r
+ int npar = mod->GetNParTot();\r
+ // the parameter may have max 1 free instance, otherwise the equations are underdefined\r
+ for (int ipar=0;ipar<npar;ipar++) {\r
+ if (!mod->IsFreeDOF(ipar)) continue; // fixed\r
+ //\r
+ int nFreeInstances = 0;\r
+ //\r
+ AliITSAlignMille2Module* parent = mod;\r
+ Bool_t cstMeanMed=kFALSE,cstGauss=kFALSE;\r
+ //\r
+ Bool_t addToFit = kFALSE; \r
+ // the parameter may be ommitted from explicit fit (if PseudoParentsAllowed is true) if\r
+ // 1) it is not explicitly constrained or its does not participate in Gaussian constraint\r
+ // 2) the same applies to all of its parents\r
+ // 3) it has at least 1 unconstrained direct child\r
+ while(parent) {\r
+ if (!parent->IsFreeDOF(ipar)) {parent = parent->GetParent(); continue;}\r
+ nFreeInstances++;\r
+ if (IsParModConstrained(parent,ipar, cstMeanMed, cstGauss)) nFreeInstances--;\r
+ if (cstGauss) addToFit = kTRUE;\r
+ parent = parent->GetParent();\r
+ }\r
+ if (nFreeInstances>1) {\r
+ AliError(Form("Parameter#%d of module %s\nhas %d free instances in the "\r
+ "unconstrained parents\nSystem is undefined",ipar,mod->GetName(),nFreeInstances));\r
+ exit(1);\r
+ }\r
+ //\r
+ // i) Are PseudoParents allowed?\r
+ if (!PseudoParentsAllowed()) addToFit = kTRUE;\r
+ // ii) check if this module has no child with such a free parameter. Since the order of this check \r
+ // goes from child to parent, by this moment such a parameter must have been already added\r
+ else if (!IsParModFamilyVaried(mod,ipar)) addToFit = kTRUE; // no varied children at all\r
+ else if (!IsParFamilyFree(mod,ipar,1)) addToFit = kTRUE; // no unconstrained direct children\r
+ // otherwise the value of this parameter can be extracted from simple contraint and the values of \r
+ // the relevant parameters of its children the fit is done. Hence it is not included\r
+ if (!addToFit) continue;\r
+ //\r
+ // shall add this parameter to explicit fit\r
+ // printf("Adding %s %d -> %d\n",mod->GetName(), ipar, fNGlobal);\r
+ mod->SetParOffset(ipar,fNGlobal++);\r
+ }\r
+ }\r
+ }\r
+ //\r
+ AliInfo(Form("Initializing Millepede with %d gpar, %d lpar and %d stddev ...",fNGlobal, fNLocal, fNStdDev));\r
+ fGlobalDerivatives = new Double_t[fNGlobal];\r
+ memset(fGlobalDerivatives,0,fNGlobal*sizeof(Double_t));\r
+ //\r
+ fMillepede->InitMille(fNGlobal,fNLocal,fNStdDev,fResCut,fResCutInitial);\r
+ fIsMilleInit = kTRUE;\r
+ //\r
+ ResetLocalEquation(); \r
+ AliInfo("Parameters initialized to zero");\r
+ //\r
+ /// Fix non free parameters\r
+ for (Int_t i=0; i<fNModules; i++) {\r
+ AliITSAlignMille2Module* mod = GetMilleModule(i);\r
+ for (Int_t j=0; j<mod->GetNParTot(); j++) {\r
+ if (mod->GetParOffset(j)<0) continue; // not varied\r
+ FixParameter(mod->GetParOffset(j),mod->GetParConstraint(j));\r
+ fMillepede->SetParamGrID(i, mod->GetParOffset(j));\r
+ }\r
+ }\r
+ //\r
+ // Set iterations\r
+ if (fStartFac>1) fMillepede->SetIterations(fStartFac); \r
+ //\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::AddConstraint(Double_t *par, Double_t value, Double_t sigma) \r
+{\r
+ /// Constrain equation defined by par to value\r
+ if (!fIsMilleInit) Init();\r
+ fMillepede->SetGlobalConstraint(par, value, sigma);\r
+ AliInfo("Adding constraint");\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::InitGlobalParameters(Double_t *par) \r
+{\r
+ /// Initialize global parameters with par array\r
+ if (!fIsMilleInit) Init();\r
+ fMillepede->SetGlobalParameters(par);\r
+ AliInfo("Init Global Parameters");\r
+}\r
+\r
+//________________________________________________________________________________________________________ \r
+void AliITSAlignMille2::FixParameter(Int_t iPar, Double_t value) \r
+{\r
+ /// Parameter iPar is encourage to vary in [-value;value]. \r
+ /// If value == 0, parameter is fixed\r
+ if (!fIsMilleInit) {\r
+ AliInfo("Millepede has not been initialized!");\r
+ return;\r
+ }\r
+ fMillepede->SetParSigma(iPar, value);\r
+ if (value==0) AliInfo(Form("Parameter %i Fixed", iPar));\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ResetLocalEquation()\r
+{\r
+ /// Reset the derivative vectors\r
+ for(int i=fNLocal;i--;) fLocalDerivatives[i] = 0.0;\r
+ memset(fGlobalDerivatives, 0, fNGlobal*sizeof(double) );\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::ApplyToGeometry() \r
+{\r
+ // apply starting realignment to ideal geometry\r
+ AliInfo(Form("Using %s for prealignment",fPreAlignmentFileName.Data()));\r
+ if (!fGeoManager) return -1; \r
+ TFile *pref = TFile::Open(fPreAlignmentFileName.Data());\r
+ if (!pref->IsOpen()) return -2;\r
+ fPrealignment = (TClonesArray*)pref->Get("ITSAlignObjs");\r
+ if (!fPrealignment) return -3; \r
+ Int_t nprea = fPrealignment->GetEntriesFast();\r
+ AliInfo(Form("Array of input misalignments with %d entries",nprea));\r
+ //\r
+ for (int ix=0; ix<nprea; ix++) {\r
+ AliAlignObjParams *preo=(AliAlignObjParams*) fPrealignment->At(ix);\r
+ Int_t index=AliITSAlignMille2Module::GetIndexFromVolumeID(preo->GetVolUID());\r
+ if (index>=0) {\r
+ if (index>=fPreAlignQF.GetSize()) fPreAlignQF.Set(index+10);\r
+ fPreAlignQF[index] = (int) preo->GetUniqueID()+1;\r
+ }\r
+ //TString nms = preo->GetSymName();\r
+ //if (!nms.Contains("Ladder")) continue; //RRR\r
+ //printf("Applying#%4d %s\n",ix,preo->GetSymName());\r
+ if (!preo->ApplyToGeometry()) return -4;\r
+ }\r
+ //\r
+ pref->Close();\r
+ delete pref;\r
+ //\r
+ fUsePreAlignment = kTRUE;\r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::GetPreAlignmentQualityFactor(Int_t index) const\r
+{\r
+ // quality factors from prealignment\r
+ if (!fUsePreAlignment || index<0 || index>=fPreAlignQF.GetSize()) return -1;\r
+ return fPreAlignQF[index]-1;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+AliTrackPointArray *AliITSAlignMille2::PrepareTrack(const AliTrackPointArray *atp) \r
+{\r
+ /// create a new AliTrackPointArray keeping only defined modules\r
+ /// move points according to a given prealignment, if any\r
+ /// sort alitrackpoints w.r.t. global Y direction, if selected\r
+ const double kTiny = 1E-12;\r
+ //\r
+ AliTrackPointArray *atps=NULL;\r
+ Int_t idx[20];\r
+ Int_t npts=atp->GetNPoints();\r
+\r
+ /// checks if AliTrackPoints belong to defined modules\r
+ Int_t ngoodpts=0;\r
+ Int_t intidx[20];\r
+ \r
+ for (int j=0; j<npts; j++) {\r
+ intidx[j] = IsVIDContained(atp->GetVolumeID()[j]);\r
+ if (intidx[j]>=0) ngoodpts++;\r
+ }\r
+ AliDebug(3,Form("Number of points in defined modules: %d out of %d",ngoodpts,npts));\r
+\r
+ // reject track if not enough points are left\r
+ if (ngoodpts<fMinNPtsPerTrack) {\r
+ AliInfo("Track with not enough points!");\r
+ return NULL;\r
+ }\r
+ // >> RS\r
+ AliTrackPoint p;\r
+ // check points in specific places\r
+ if (fRequirePoints) {\r
+ Int_t nlayup[6],nlaydown[6],nlay[6];\r
+ Int_t ndetup[3],ndetdown[3],ndet[3];\r
+ for (Int_t j=0; j<6; j++) {nlayup[j]=0; nlaydown[j]=0; nlay[j]=0;}\r
+ for (Int_t j=0; j<3; j++) {ndetup[j]=0; ndetdown[j]=0; ndet[j]=0;}\r
+ \r
+ for (int i=0; i<npts; i++) {\r
+ // skip not defined points\r
+ if (intidx[i]<0) continue;\r
+ Float_t xx=atp->GetX()[i];\r
+ Float_t yy=atp->GetY()[i];\r
+ Float_t r=TMath::Sqrt(xx*xx + yy*yy);\r
+ int lay=-1;\r
+ if (r<5) lay=0;\r
+ else if (r>5 && r<10) lay=1;\r
+ else if (r>10 && r<18) lay=2;\r
+ else if (r>18 && r<30) lay=3;\r
+ else if (r>30 && r<40) lay=4;\r
+ else if (r>40) lay=5;\r
+ if (lay<0) continue;\r
+ int det=lay/2;\r
+ //printf("Point %d - x=%f y=%f R=%f lay=%d det=%d\n",i,xx,yy,r,lay,det);\r
+\r
+ if (yy>=0.0) { // UP point\r
+ nlayup[lay]++;\r
+ nlay[lay]++;\r
+ ndetup[det]++;\r
+ ndet[det]++;\r
+ }\r
+ else {\r
+ nlaydown[lay]++;\r
+ nlay[lay]++;\r
+ ndetdown[det]++;\r
+ ndet[det]++;\r
+ }\r
+ }\r
+ \r
+ // checks minimum values\r
+ Bool_t isok=kTRUE;\r
+ for (Int_t j=0; j<6; j++) {\r
+ if (nlayup[j]<fNReqLayUp[j]) isok=kFALSE; \r
+ if (nlaydown[j]<fNReqLayDown[j]) isok=kFALSE; \r
+ if (nlay[j]<fNReqLay[j]) isok=kFALSE; \r
+ }\r
+ for (Int_t j=0; j<3; j++) {\r
+ if (ndetup[j]<fNReqDetUp[j]) isok=kFALSE; \r
+ if (ndetdown[j]<fNReqDetDown[j]) isok=kFALSE; \r
+ if (ndet[j]<fNReqDet[j]) isok=kFALSE; \r
+ }\r
+ if (!isok) {\r
+ AliDebug(2,Form("Track does not meet all location point requirements!"));\r
+ return NULL;\r
+ }\r
+ }\r
+ // build a new track with (sorted) (prealigned) good points\r
+ // pepo 200709\r
+// atps = (AliTrackPointArray*)fTrackBuff[ngoodpts-fMinNPtsPerTrack];\r
+// if (!atps) {\r
+// atps = new AliTrackPointArray(ngoodpts);\r
+// fTrackBuff.AddAtAndExpand(atps,ngoodpts-fMinNPtsPerTrack);\r
+// } \r
+ atps = new AliTrackPointArray(ngoodpts);\r
+ // endpepo200709\r
+ //\r
+ //\r
+ for (int i=0; i<npts; i++) idx[i]=i;\r
+ // sort track if required\r
+ TMath::Sort(npts,atp->GetY(),idx); // sort descending...\r
+ //\r
+ Int_t npto=0;\r
+ for (int i=0; i<npts; i++) {\r
+ // skip not defined points\r
+ if (intidx[idx[i]]<0) continue;\r
+ atp->GetPoint(p,idx[i]);\r
+\r
+ // prealign point if required\r
+ // get IDEAL matrix\r
+ AliITSAlignMille2Module *mod = GetMilleModule(intidx[idx[i]]);\r
+ TGeoHMatrix *svOrigMatrix = mod->GetSensitiveVolumeOrigGlobalMatrix(p.GetVolumeID());\r
+ // get back real local coordinates: use OriginalGlobalMatrix because AliTrackPoints were written\r
+ // with idel geometry \r
+ Double_t pg[3],pl[3];\r
+ pg[0]=p.GetX();\r
+ pg[1]=p.GetY();\r
+ pg[2]=p.GetZ();\r
+ // printf("Global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]);\r
+ AliDebug(3,Form("Global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]));\r
+ svOrigMatrix->MasterToLocal(pg,pl);\r
+\r
+ AliDebug(3,Form("Local coordinates of measured point : X=%f Y=%f Z=%f \n",pl[0],pl[1],pl[2]));\r
+ //\r
+ // this is a temporary code to extract the drift speed used for given point\r
+ if (p.GetDriftTime()>0) { // RRR\r
+ // calculate the drift speed\r
+ int sid = AliITSAlignMille2Module::GetIndexFromVolumeID(p.GetVolumeID());// - kSDDoffsID;\r
+ fDriftTime0[npto] = fInitialRecSDD ? fInitialRecSDD->GetTimeZero(sid) : 0.;\r
+ /*\r
+ AliGeomManager::ELayerID lay = AliGeomManager::VolUIDToLayer(p.GetVolumeID());\r
+ if (lay==3) fDriftTime0[npto] = pg[2]<0 ? 169.5 : 140.1;\r
+ else if (lay==4) fDriftTime0[npto] = pg[2]<0 ? 158.3 : 139.0;\r
+ else {\r
+ AliError(Form("Strange layer %d for moduleID %d",lay,p.GetVolumeID()));\r
+ exit(1);\r
+ }\r
+ */\r
+ double tdif = p.GetDriftTime() - fDriftTime0[npto];\r
+ if (tdif<=0) tdif = 1;\r
+ double vdrift = (3.5085-TMath::Abs(pl[0]))/tdif;\r
+ if (vdrift<0) vdrift = 0;\r
+ //\r
+ // TEMPORARY CORRECTION (if provided) -------------->>>\r
+ if (fCorrectSDD) {\r
+ float t0Upd = fCorrectSDD->GetTimeZero(sid);\r
+ vdrift += fCorrectSDD->GetDeltaVDrift(sid);\r
+ tdif = p.GetDriftTime() - t0Upd;\r
+ // correct Xlocal\r
+ pl[0] = TMath::Sign(3.5085 - vdrift*tdif,pl[0]);\r
+ fDriftTime0[npto] = t0Upd;\r
+ }\r
+ // TEMPORARY CORRECTION (if provided) --------------<<<\r
+ fDriftSpeed[npto] = TMath::Sign(vdrift,pl[0]);\r
+ //\r
+ /*\r
+ printf("%d %+6.2f %+6.2f %+6.2f %+5.2f %+5.2f %+5.2f %+6.1f %+6.1f %+f %+f\n",\r
+ p.GetVolumeID(),pg[0],pg[1],pg[2],pl[0],pl[1],pl[2],p.GetDriftTime(), fDriftTime0[npto], fDriftSpeed[npto],tdif);\r
+ */\r
+ }\r
+\r
+ // update covariance matrix\r
+ TGeoHMatrix hcov;\r
+ Double_t hcovel[9];\r
+ hcovel[0]=double(p.GetCov()[0]);\r
+ hcovel[1]=double(p.GetCov()[1]);\r
+ hcovel[2]=double(p.GetCov()[2]);\r
+ hcovel[3]=double(p.GetCov()[1]);\r
+ hcovel[4]=double(p.GetCov()[3]);\r
+ hcovel[5]=double(p.GetCov()[4]);\r
+ hcovel[6]=double(p.GetCov()[2]);\r
+ hcovel[7]=double(p.GetCov()[4]);\r
+ hcovel[8]=double(p.GetCov()[5]);\r
+ hcov.SetRotation(hcovel);\r
+ // now rotate in local system\r
+ // printf("\nErrMatGlob: before\n"); hcov.Print(""); //RRR\r
+ hcov.Multiply(svOrigMatrix);\r
+ hcov.MultiplyLeft(&svOrigMatrix->Inverse());\r
+ // now hcov is LOCAL COVARIANCE MATRIX\r
+ // apply sigma scaling\r
+ // printf("\nErrMatLoc: before\n"); hcov.Print(""); //RRR\r
+ Double_t *hcovscl = hcov.GetRotationMatrix(); \r
+ // for (int ir=3;ir--;) for (int ic=3;ic--;) hcovscl[ir*3+ic] *= mod->GetSigmaFactor(ir)*mod->GetSigmaFactor(ic); //RRR\r
+ // RS TEMPORARY: nullify non-diagonal elements and sigY\r
+ hcovscl[5] = 0;\r
+ for (int ir=3;ir--;) for (int ic=3;ic--;) {\r
+ if (ir==ic) {\r
+ if (TMath::Abs(hcovscl[ir*3+ic])<kTiny) hcovscl[ir*3+ic] = 0.;\r
+ else hcovscl[ir*3+ic] *= mod->GetSigmaFactor(ir)*mod->GetSigmaFactor(ic); //RRR\r
+ }\r
+ else hcovscl[ir*3+ic] = 0;\r
+ }\r
+ //\r
+ // printf("\nErrMatLoc: after\n"); hcov.Print(""); //RRR\r
+ //\r
+ if (fBug==1) {\r
+ // correzione bug LAYER 5 SSD temporanea..\r
+ int ssdidx=AliITSAlignMille2Module::GetIndexFromVolumeID(p.GetVolumeID());\r
+ if (ssdidx>=500 && ssdidx<1248) {\r
+ int ladder=(ssdidx-500)%22;\r
+ if (ladder==18) p.SetVolumeID(AliITSAlignMille2Module::GetVolumeIDFromIndex(ssdidx+1));\r
+ if (ladder==19) p.SetVolumeID(AliITSAlignMille2Module::GetVolumeIDFromIndex(ssdidx-1));\r
+ }\r
+ }\r
+ /// get (evenctually prealigned) matrix of sens. vol.\r
+ TGeoHMatrix *svMatrix = mod->GetSensitiveVolumeMatrix(p.GetVolumeID());\r
+ // modify global coordinates according with pre-aligment\r
+ svMatrix->LocalToMaster(pl,pg);\r
+ // now rotate in local system\r
+ hcov.Multiply(&svMatrix->Inverse());\r
+ hcov.MultiplyLeft(svMatrix);\r
+ // hcov is back in GLOBAL RF\r
+ // cure once more\r
+ for (int ir=3;ir--;) for (int ic=3;ic--;) if (TMath::Abs(hcovscl[ir*3+ic])<kTiny) hcovscl[ir*3+ic] = 0.;\r
+ // printf("\nErrMatGlob: after\n"); hcov.Print(""); //RRR\r
+ //\r
+ Float_t pcov[6];\r
+ pcov[0]=hcovscl[0];\r
+ pcov[1]=hcovscl[1];\r
+ pcov[2]=hcovscl[2];\r
+ pcov[3]=hcovscl[4];\r
+ pcov[4]=hcovscl[5];\r
+ pcov[5]=hcovscl[8];\r
+\r
+ p.SetXYZ(pg[0],pg[1],pg[2],pcov);\r
+ // printf("New Gl coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]);\r
+ AliDebug(3,Form("New global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]));\r
+ atps->AddPoint(npto,&p);\r
+ AliDebug(2,Form("Adding point[%d] = ( %f , %f , %f ) volid = %d",npto,atps->GetX()[npto],\r
+ atps->GetY()[npto],atps->GetZ()[npto],atps->GetVolumeID()[npto] ));\r
+ // printf("Adding %d %d %f\n",npto, p.GetVolumeID(), p.GetY()); \r
+ npto++;\r
+ }\r
+\r
+ return atps;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+AliTrackPointArray *AliITSAlignMille2::SortTrack(const AliTrackPointArray *atp) \r
+{\r
+ /// sort alitrackpoints w.r.t. global Y direction\r
+ AliTrackPointArray *atps=NULL;\r
+ Int_t idx[20];\r
+ Int_t npts=atp->GetNPoints();\r
+ AliTrackPoint p;\r
+ atps=new AliTrackPointArray(npts);\r
+\r
+ TMath::Sort(npts,atp->GetY(),idx);\r
+\r
+ for (int i=0; i<npts; i++) {\r
+ atp->GetPoint(p,idx[i]);\r
+ atps->AddPoint(i,&p);\r
+ AliDebug(2,Form("Point[%d] = ( %f , %f , %f ) volid = %d",i,atps->GetX()[i],atps->GetY()[i],atps->GetZ()[i],atps->GetVolumeID()[i] ));\r
+ }\r
+ return atps;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::GetCurrentLayer() const \r
+{\r
+ // get current layer id\r
+ if (!fGeoManager) {\r
+ AliInfo("ITS geometry not initialized!");\r
+ return -1;\r
+ }\r
+ return (Int_t)AliGeomManager::VolUIDToLayer(fCluster.GetVolumeID());\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::InitModuleParams() \r
+{\r
+ /// initialize geometry parameters for a given detector\r
+ /// for current cluster (fCluster)\r
+ /// fGlobalInitParam[] is set as:\r
+ /// [tx,ty,tz,psi,theta,phi]\r
+ /// (old was [tx,ty,tz,theta,psi,phi] ROOT's angles...)\r
+ /// *** At the moment: using Raffalele's angles definition ***\r
+ ///\r
+ /// return 0 if success\r
+ /// If module is found but has no parameters to vary, return 1\r
+\r
+ if (!fGeoManager) {\r
+ AliInfo("ITS geometry not initialized!");\r
+ return -1;\r
+ }\r
+\r
+ // now 'voluid' is the volumeID of a SENSITIVE VOLUME (coming from a cluster)\r
+\r
+ // set the internal index (index in module list)\r
+ UShort_t voluid=fCluster.GetVolumeID();\r
+ //\r
+ // IT IS VERY IMPORTANT: start from the end of the list, where the childs are located !!!\r
+ Int_t k=fNModules-1;\r
+ fCurrentModule = 0;\r
+ // VERY IMPORTANT: if the sensors were explicitly provided, don't look in the supermodules \r
+ while (k>=0 && ! (fCurrentModule=GetMilleModule(k))->IsIn(voluid)) k--;\r
+ if (k<0) return -3;\r
+ //\r
+ /*\r
+ // Check if the module has free params. If not, go over the parents\r
+ AliITSAlignMille2Module* mdtmp = fCurrentModule;\r
+ while (mdtmp && mdtmp->GetNParFree()==0) mdtmp = mdtmp->GetParent();\r
+ if (!mdtmp) return 1; // nothing to vary here\r
+ fCurrentModule = mdtmp;\r
+ */\r
+ //\r
+ fModuleInitParam[0] = 0.0;\r
+ fModuleInitParam[1] = 0.0;\r
+ fModuleInitParam[2] = 0.0;\r
+ fModuleInitParam[3] = 0.0; // psi (X)\r
+ fModuleInitParam[4] = 0.0; // theta (Y)\r
+ fModuleInitParam[5] = 0.0; // phi (Z)\r
+ fModuleInitParam[6] = 0.0;\r
+ fModuleInitParam[7] = 0.0;\r
+ /// get (evenctually prealigned) matrix of sens. vol.\r
+ TGeoHMatrix *svMatrix = fCurrentModule->GetSensitiveVolumeMatrix(voluid);\r
+ \r
+ fMeasGlo[0] = fCluster.GetX();\r
+ fMeasGlo[1] = fCluster.GetY();\r
+ fMeasGlo[2] = fCluster.GetZ(); \r
+ svMatrix->MasterToLocal(fMeasGlo,fMeasLoc); \r
+ AliDebug(2,Form("Local coordinates of measured point : X=%f Y=%f Z=%f \n",fMeasLoc[0] ,fMeasLoc[1] ,fMeasLoc[2] ));\r
+ \r
+ // set stdev from cluster\r
+ TGeoHMatrix hcov;\r
+ Double_t hcovel[9];\r
+ hcovel[0]=double(fCluster.GetCov()[0]);\r
+ hcovel[1]=double(fCluster.GetCov()[1]);\r
+ hcovel[2]=double(fCluster.GetCov()[2]);\r
+ hcovel[3]=double(fCluster.GetCov()[1]);\r
+ hcovel[4]=double(fCluster.GetCov()[3]);\r
+ hcovel[5]=double(fCluster.GetCov()[4]);\r
+ hcovel[6]=double(fCluster.GetCov()[2]);\r
+ hcovel[7]=double(fCluster.GetCov()[4]);\r
+ hcovel[8]=double(fCluster.GetCov()[5]);\r
+ hcov.SetRotation(hcovel);\r
+ // now rotate in local system\r
+ hcov.Multiply(svMatrix);\r
+ hcov.MultiplyLeft(&svMatrix->Inverse());\r
+ //\r
+ // set local sigmas\r
+ fSigmaLoc[0] = TMath::Sqrt(TMath::Abs(hcov.GetRotationMatrix()[0]));\r
+ fSigmaLoc[1] = TMath::Sqrt(TMath::Abs(hcov.GetRotationMatrix()[4])); // RS\r
+ fSigmaLoc[2] = TMath::Sqrt(TMath::Abs(hcov.GetRotationMatrix()[8]));\r
+\r
+ // set minimum value for SigmaLoc to 10 micron \r
+ if (fSigmaLoc[0]<0.0010) fSigmaLoc[0]=0.0010;\r
+ if (fSigmaLoc[2]<0.0010) fSigmaLoc[2]=0.0010;\r
+ //\r
+ /* RRR the rescaling is moved to PrepareTrack\r
+ // multiply local sigmas by global and module specific factor \r
+ for (int i=3;i--;) fSigmaLoc[i] *= fSigmaFactor[i]*fCurrentModule->GetSigmaFactor(i);\r
+ //\r
+ */\r
+ AliDebug(2,Form("Setting StDev from CovMat : fSigmaLocX=%g fSigmaLocY=%g fSigmaLocZ=%g \n",fSigmaLoc[0] ,fSigmaLoc[1] ,fSigmaLoc[2] ));\r
+ \r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::Print(Option_t*) const \r
+{\r
+ // print current status \r
+ printf("*** AliMillepede for ITS ***\n");\r
+ printf(" Number of defined super modules: %d\n",fNModules);\r
+ printf(" Obtained parameters refer to %s Deltas\n",fUseGlobalDelta ? "GLOBAL":"LOCAL");\r
+ //\r
+ if (fGeoManager)\r
+ printf(" geometry loaded from %s\n",fGeometryFileName.Data());\r
+ else\r
+ printf(" geometry not loaded\n");\r
+ // \r
+ if (fUsePreAlignment) \r
+ printf(" using prealignment from %s \n",fPreAlignmentFileName.Data());\r
+ else\r
+ printf(" prealignment not used\n"); \r
+ //\r
+ //\r
+ if (fBOn) \r
+ printf(" B Field set to %f T - using Riemann's helices\n",fBField);\r
+ else\r
+ printf(" B Field OFF - using straight lines \n");\r
+ //\r
+ if (fRequirePoints) printf(" Required points in tracks:\n");\r
+ for (Int_t i=0; i<6; i++) {\r
+ if (fNReqLayUp[i]>0) printf(" Layer %d : %d points with Y>0\n",i+1,fNReqLayUp[i]);\r
+ if (fNReqLayDown[i]>0) printf(" Layer %d : %d points with Y<0\n",i+1,fNReqLayDown[i]);\r
+ if (fNReqLay[i]>0) printf(" Layer %d : %d points \n",i+1,fNReqLay[i]);\r
+ }\r
+ for (Int_t i=0; i<3; i++) {\r
+ if (fNReqDetUp[i]>0) printf(" Detector %d : %d points with Y>0\n",i+1,fNReqDetUp[i]);\r
+ if (fNReqDetDown[i]>0) printf(" Detector %d : %d points with Y<0\n",i+1,fNReqDetDown[i]);\r
+ if (fNReqDet[i]>0) printf(" Detector %d : %d points \n",i+1,fNReqDet[i]);\r
+ }\r
+ // \r
+ printf("\n Millepede configuration parameters:\n");\r
+ printf(" init value for chi2 cut : %.4f\n",fStartFac);\r
+ printf(" first iteration cut value : %.4f\n",fResCutInitial);\r
+ printf(" other iterations cut value : %.4f\n",fResCut);\r
+ printf(" number of stddev for chi2 cut : %d\n",fNStdDev);\r
+ printf(" def.scaling for local sigmas : %.4f %.4f %.4f\n",fSigmaFactor[0],fSigmaFactor[1],fSigmaFactor[2]);\r
+\r
+ printf("List of defined modules:\n");\r
+ printf(" intidx\tindex\tvoluid\tname\n");\r
+ for (int i=0; i<fNModules; i++) {\r
+ AliITSAlignMille2Module* md = GetMilleModule(i); \r
+ printf(" %d\t%d\t%d\t%s\n",i,md->GetIndex(),md->GetVolumeID(),md->GetName());\r
+ }\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleByVID(UShort_t voluid) const\r
+{\r
+ // return pointer to a defined supermodule\r
+ // return NULL if error\r
+ Int_t i=IsVIDDefined(voluid);\r
+ if (i<0) return NULL;\r
+ return GetMilleModule(i);\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleBySymName(const Char_t* symname) const\r
+{\r
+ // return pointer to a defined supermodule\r
+ // return NULL if error\r
+ UShort_t vid = AliITSAlignMille2Module::GetVolumeIDFromSymname(symname);\r
+ if (vid>0) return GetMilleModuleByVID(vid);\r
+ else { // this is not alignable module, need to look within defined supermodules\r
+ int i = IsSymDefined(symname);\r
+ if (i>=0) return GetMilleModule(i);\r
+ }\r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleIfContained(const Char_t* symname) const\r
+{\r
+ // return pointer to a defined/contained supermodule\r
+ // return NULL otherwise\r
+ int i = IsSymContained(symname);\r
+ return i<0 ? 0 : GetMilleModule(i);\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+AliAlignObjParams* AliITSAlignMille2::GetPrealignedObject(const Char_t* symname) const\r
+{\r
+ // get delta from prealignment for given volume\r
+ if (!fPrealignment) return 0;\r
+ for (int ipre=fPrealignment->GetEntriesFast();ipre--;) { // was the corresponding object prealigned?\r
+ AliAlignObjParams* preob = (AliAlignObjParams*)fPrealignment->At(ipre);\r
+ if (!strcmp(preob->GetSymName(),symname)) return preob;\r
+ }\r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+AliAlignObjParams* AliITSAlignMille2::GetConstrRefObject(const Char_t* symname) const\r
+{\r
+ // get delta with respect to which the constraint is declared\r
+ if (!fConstrRef) return 0;\r
+ for (int ipre=fConstrRef->GetEntriesFast();ipre--;) { // was the corresponding object prealigned?\r
+ AliAlignObjParams* preob = (AliAlignObjParams*)fConstrRef->At(ipre);\r
+ if (!strcmp(preob->GetSymName(),symname)) return preob;\r
+ }\r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Bool_t AliITSAlignMille2::InitRiemanFit() \r
+{\r
+ // Initialize Riemann Fitter for current track\r
+ // return kFALSE if error\r
+\r
+ if (!fBOn) return kFALSE;\r
+\r
+ Int_t npts=0;\r
+ AliTrackPoint ap;\r
+ npts = fTrack->GetNPoints();\r
+ AliDebug(3,Form("Fitting track with %d points",npts));\r
+\r
+ fRieman->Reset();\r
+ fRieman->SetTrackPointArray(fTrack);\r
+\r
+ TArrayI ai(npts);\r
+ for (Int_t ipt=0; ipt<npts; ipt++) ai[ipt]=fTrack->GetVolumeID()[ipt];\r
+ \r
+ // fit track with 5 params in his own tracking-rotated reference system\r
+ // xc = -p[1]/p[0];\r
+ // yc = 1/p[0];\r
+ // R = sqrt( x0*x0 + y0*y0 - y0*p[2]);\r
+ if (!fRieman->Fit(&ai,NULL,(AliGeomManager::ELayerID)1,(AliGeomManager::ELayerID)6)) {\r
+ return kFALSE;\r
+ }\r
+\r
+ for (int i=0; i<5; i++)\r
+ fLocalInitParam[i] = fRieman->GetParam()[i];\r
+ \r
+ return kTRUE;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void trackFit2D(Int_t &, Double_t *, double &chi2, double *par, int flag)\r
+{\r
+ // local function for minuit\r
+ const double kTiny = 1.e-14;\r
+ chi2 = 0;\r
+ static AliTrackPoint pnt;\r
+ static Bool_t fullErr2D;\r
+ //\r
+ if (flag==1) fullErr2D = kFALSE;//kTRUE;\r
+ enum {kAX,kAZ,kBX,kBZ};\r
+ enum {kXX=0,kXY=1,kXZ=2,kYX=kXY,kYY=3,kYZ=4,kZX=kXZ,kZY=kYZ,kZZ=5};\r
+ //\r
+ AliITSAlignMille2* alig = AliITSAlignMille2::GetInstance();\r
+ AliTrackPointArray* track = alig->GetCurrentTrack();\r
+ //\r
+ int npts = track->GetNPoints();\r
+ for (int ip=0;ip<npts;ip++) {\r
+ track->GetPoint(pnt,ip);\r
+ const float *cov = pnt.GetCov();\r
+ double y = pnt.GetY();\r
+ double dx = pnt.GetX() - (par[kAX]+y*par[kBX]);\r
+ double dz = pnt.GetZ() - (par[kAZ]+y*par[kBZ]);\r
+ double xxe = cov[kXX];\r
+ double zze = cov[kZZ];\r
+ double xze = cov[kXZ];\r
+ //\r
+ if (fullErr2D) {\r
+ xxe += par[kBX]*par[kBX]*cov[kYY]-2.*par[kBX]*cov[kXY];\r
+ zze += par[kBZ]*par[kBZ]*cov[kYY]-2.*par[kBZ]*cov[kZY];\r
+ xze += par[kBX]*par[kBZ]*cov[kYY]-cov[kYZ]*par[kBZ]-cov[kXY]*par[kBX];\r
+ }\r
+ //\r
+ double det = xxe*zze - xze*xze;\r
+ if (det<kTiny) {\r
+ printf("Negative diag. error (det=%+e) |sxx:%+e szz:%+e sxz:%+e| bx:%+e bz:%+e|\n"\r
+ "Discarding correlation term\n",det,xxe,zze,xze,par[kBX],par[kBZ]);\r
+ xxe = cov[kXX];\r
+ zze = cov[kZZ];\r
+ xze = cov[kXZ];\r
+ fullErr2D = kFALSE;\r
+ }\r
+ double xxeI = zze/det;\r
+ double zzeI = xxe/det;\r
+ double xzeI =-xze/det;\r
+ //\r
+ chi2 += dx*dx*xxeI + dz*dz*zzeI + 2.*dx*dz*xzeI;\r
+ // \r
+ // printf("%d | %+e %+e %+e %+e %+e -> %+e\n",ip,dx,dz,xxeI,zzeI,xzeI, chi2);\r
+ }\r
+ //\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::InitTrackParams(int meth) \r
+{\r
+ /// initialize local parameters with different methods\r
+ /// for current track (fTrack)\r
+ Int_t npts=0;\r
+ AliTrackPoint ap;\r
+ double sX=0,sXY=0,sZ=0,sZY=0,sY=0,sYY=0,det=0;\r
+ // simple linear interpolation\r
+ // get local starting parameters (to be substituted by ESD track parms)\r
+ // local parms (fLocalInitParam[]) are:\r
+ // [0] = global x coord. of straight line intersection at y=0 plane\r
+ // [1] = global z coord. of straight line intersection at y=0 plane\r
+ // [2] = px/py \r
+ // [3] = pz/py\r
+ // test #1: linear fit in x(y) and z(y)\r
+ npts = fTrack->GetNPoints();\r
+ AliDebug(3,Form("*** initializing track with %d points ***",npts));\r
+ for (int i=npts;i--;) {\r
+ sY += fTrack->GetY()[i];\r
+ sYY += fTrack->GetY()[i]*fTrack->GetY()[i];\r
+ sX += fTrack->GetX()[i];\r
+ sXY += fTrack->GetX()[i]*fTrack->GetY()[i];\r
+ sZ += fTrack->GetZ()[i];\r
+ sZY += fTrack->GetZ()[i]*fTrack->GetY()[i];\r
+ }\r
+ det = sYY*npts-sY*sY;\r
+ if (det==0) det = 1E-20;\r
+ fLocalInitParam[0] = (sX*sYY-sY*sXY)/det;\r
+ fLocalInitParam[2] = (sXY*npts-sY*sX)/det;\r
+ //\r
+ fLocalInitParam[1] = (sZ*sYY-sY*sZY)/det;\r
+ fLocalInitParam[3] = (sZY*npts-sY*sZ)/det;\r
+ // pepo200709\r
+ fLocalInitParam[4] = 0.0;\r
+ // endpepo200709\r
+\r
+ AliDebug(2,Form("X = p0gx + ugx*Y : p0gx = %f ugx = %f\n",fLocalInitParam[0],fLocalInitParam[2]));\r
+ //\r
+ if (meth==1) return;\r
+ //\r
+ // perform full fit accounting for cov.matrix\r
+ static TVirtualFitter *minuit = 0;\r
+ static Double_t step[5] = {1E-3,1E-3,1E-4,1E-4,1E-5};\r
+ static Double_t arglist[10];\r
+ //\r
+ if (!minuit) {\r
+ minuit = TVirtualFitter::Fitter(0,4);\r
+ minuit->SetFCN(trackFit2D);\r
+ arglist[0] = 1;\r
+ minuit->ExecuteCommand("SET ERR",arglist, 1);\r
+ //\r
+ arglist[0] = -1;\r
+ minuit->ExecuteCommand("SET PRINT",arglist,1);\r
+ //\r
+ }\r
+ //\r
+ minuit->SetParameter(0, "ax", fLocalInitParam[0], step[0], 0,0);\r
+ minuit->SetParameter(1, "az", fLocalInitParam[1], step[1], 0,0);\r
+ minuit->SetParameter(2, "bx", fLocalInitParam[2], step[2], 0,0);\r
+ minuit->SetParameter(3, "bz", fLocalInitParam[3], step[3], 0,0);\r
+ //\r
+ arglist[0] = 1000; // number of function calls \r
+ arglist[1] = 0.001; // tolerance \r
+ minuit->ExecuteCommand("MIGRAD",arglist,2);\r
+ //\r
+ for (int i=0;i<4;i++) fLocalInitParam[i] = minuit->GetParameter(i);\r
+ for (int i=0;i<4;i++) for (int j=0;j<4;j++) fLocalInitParEr[i][j] = minuit->GetCovarianceMatrixElement(i,j);\r
+ //\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::IsSymDefined(const Char_t* symname) const\r
+{\r
+ // checks if supermodule with this symname is defined and return the internal index\r
+ // return -1 if not.\r
+ for (int k=fNModules;k--;) if (!strcmp(symname,GetMilleModule(k)->GetName())) return k;\r
+ return -1; \r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::IsSymContained(const Char_t* symname) const\r
+{\r
+ // checks if module with this symname is defined and return the internal index\r
+ // return -1 if not.\r
+ UShort_t vid = AliITSAlignMille2Module::GetVolumeIDFromSymname(symname);\r
+ if (vid>0) return IsVIDContained(vid);\r
+ // only sensors have real vid, but maybe we have a supermodule with fake vid? \r
+ // IMPORTANT: always start from the end to start from the sensors\r
+ return IsSymDefined(symname);\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::IsVIDDefined(UShort_t voluid) const\r
+{\r
+ // checks if supermodule 'voluid' is defined and return the internal index\r
+ // return -1 if not.\r
+ for (int k=fNModules;k--;) if (voluid==GetMilleModule(k)->GetVolumeID()) return k;\r
+ return -1; \r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::IsVIDContained(UShort_t voluid) const\r
+{\r
+ // checks if the sensitive module 'voluid' is contained inside a supermodule \r
+ // and return the internal index of the last identified supermodule\r
+ // return -1 if error\r
+ // IMPORTANT: always start from the end to start from the sensors\r
+ if (AliITSAlignMille2Module::GetIndexFromVolumeID(voluid)<0) return -1;\r
+ for (int k=fNModules;k--;) if (GetMilleModule(k)->IsIn(voluid)) return k;\r
+ return -1; \r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::CheckCurrentTrack() \r
+{\r
+ /// checks if AliTrackPoints belongs to defined modules\r
+ /// return number of good poins\r
+ /// return 0 if not enough points\r
+\r
+ Int_t npts = fTrack->GetNPoints();\r
+ Int_t ngoodpts=0;\r
+ // debug points\r
+ for (int j=0; j<npts; j++) if (IsVIDContained(fTrack->GetVolumeID()[j])>=0) ngoodpts++;\r
+ //\r
+ if (ngoodpts<fMinNPtsPerTrack) return 0;\r
+\r
+ return ngoodpts;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::ProcessTrack(const AliTrackPointArray *track) \r
+{\r
+ /// Process track; Loop over hits and set local equations\r
+ /// here 'track' is a AliTrackPointArray\r
+ /// return 0 if success;\r
+ \r
+ if (!fIsMilleInit) Init();\r
+ //\r
+ Int_t npts = track->GetNPoints();\r
+ AliDebug(2,Form("*** Input track with %d points ***",npts));\r
+\r
+ // preprocessing of the input track: keep only points in defined volumes,\r
+ // move points if prealignment is set, sort by Yglo if required\r
+ \r
+ fTrack=PrepareTrack(track);\r
+ if (!fTrack) return -1;\r
+\r
+ npts = fTrack->GetNPoints();\r
+ if (npts>kMaxPoints) {\r
+ AliError(Form("Compiled with kMaxPoints=%d, current track has %d points",kMaxPoints,npts));\r
+ }\r
+ AliDebug(2,Form("*** Processing prepared track with %d points ***",npts));\r
+ \r
+ if (!fBOn) { // straight lines \r
+ // set local starting parameters (to be substituted by ESD track parms)\r
+ // local parms (fLocalInitParam[]) are:\r
+ // [0] = global x coord. of straight line intersection at y=0 plane\r
+ // [1] = global z coord. of straight line intersection at y=0 plane\r
+ // [2] = px/py \r
+ // [3] = pz/py\r
+ InitTrackParams(fInitTrackParamsMeth); \r
+ } \r
+ else {\r
+ // local parms (fLocalInitParam[]) are the Riemann Fitter params\r
+ if (!InitRiemanFit()) {\r
+ AliInfo("Riemann fit failed! skipping this track...");\r
+ fTrack=NULL;\r
+ return -5;\r
+ }\r
+ }\r
+ \r
+ Int_t nloceq=0;\r
+ Int_t ngloeq=0;\r
+ static Mille2Data md[kMaxPoints];\r
+ //\r
+ for (Int_t ipt=0; ipt<npts; ipt++) {\r
+ fTrack->GetPoint(fCluster,ipt);\r
+ fCluster.SetUniqueID(ipt);\r
+ AliDebug(2,Form("\n--- processing point %d --- \n",ipt)); \r
+\r
+ // set geometry parameters for the the current module\r
+ if (InitModuleParams()) continue;\r
+ AliDebug(2,Form(" VolID=%d Index=%d InternalIdx=%d symname=%s\n", \r
+ track->GetVolumeID()[ipt], fCurrentModule->GetIndex(),\r
+ fCurrentModule->GetUniqueID(), AliGeomManager::SymName(track->GetVolumeID()[ipt]) ));\r
+ AliDebug(2,Form(" Preprocessed Point = ( %f , %f , %f ) \n",fCluster.GetX(),fCluster.GetY(),fCluster.GetZ()));\r
+ int res = AddLocalEquation(md[nloceq]);\r
+ if (res<0) {fTotBadLocEqPoints++; nloceq = 0; break;}\r
+ else if (res==0) nloceq++;\r
+ else {nloceq++; ngloeq++;}\r
+ } // end loop over points\r
+ //\r
+ fTrack=NULL;\r
+ // not enough good points?\r
+ if (nloceq<fMinNPtsPerTrack || ngloeq<1) return -1;\r
+ //\r
+ // finally send local equations to millepede\r
+ SetLocalEquations(md,nloceq);\r
+ fMillepede->SaveRecordData(); // RRR\r
+ //\r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::CalcIntersectionPoint(Double_t *lpar, Double_t *gpar) \r
+{\r
+ /// calculate track intersection point in local coordinates\r
+ /// according with a given set of parameters (local(4) and global(6))\r
+ /// and fill fPintLoc/Glo\r
+ /// local are: pgx0, pgz0, ugx, ugz OR riemann fitters pars\r
+ /// global are: tx,ty,tz,psi,theta,phi (Raff's delta angles in deg.)\r
+ /// return 0 if success\r
+ \r
+ AliDebug(3,Form("lpar = %g %g %g %g %g\ngpar= %g %g %g %g %g %g\n",lpar[0],lpar[1],lpar[2],lpar[3],lpar[4],gpar[0],gpar[1],gpar[2],gpar[3],gpar[4],gpar[5]));\r
+ AliDebug(3,Form("deltalpar = %g %g %g %g %g\n",lpar[0]-fLocalInitParam[0],lpar[1]-fLocalInitParam[1],lpar[2]-fLocalInitParam[2],lpar[3]-fLocalInitParam[3],lpar[4]-fLocalInitParam[4]));\r
+\r
+ \r
+ // prepare the TGeoHMatrix\r
+ TGeoHMatrix *tempHMat = fCurrentModule->GetSensitiveVolumeModifiedMatrix(fCluster.GetVolumeID(),gpar,\r
+ !fUseGlobalDelta);\r
+ if (!tempHMat) return -1;\r
+ \r
+ Double_t v0g[3]; // vector with straight line direction in global coord.\r
+ Double_t p0g[3]; // point of the straight line (glo)\r
+ \r
+ if (fBOn) { // B FIELD!\r
+ AliTrackPoint prf; \r
+ for (int ip=0; ip<5; ip++)\r
+ fRieman->SetParam(ip,lpar[ip]);\r
+\r
+ if (!fRieman->GetPCA(fCluster,prf)) {\r
+ AliInfo(Form("error in GetPCA for point %d",fCluster.GetVolumeID()));\r
+ return -3;\r
+ }\r
+ // now determine straight line passing tangent to fit curve at prf\r
+ // ugx = dX/dY_glo = DeltaX/DeltaY_glo\r
+ // mo' P1=(X,Y,Z)_glo_prf\r
+ // => (x,y,Z)_trk_prf ruotando di alpha...\r
+ Double_t alpha=fRieman->GetAlpha();\r
+ Double_t x1g = prf.GetX();\r
+ Double_t y1g = prf.GetY();\r
+ Double_t z1g = prf.GetZ();\r
+ Double_t x1t = x1g*TMath::Cos(alpha) + y1g*TMath::Sin(alpha);\r
+ Double_t y1t = -x1g*TMath::Sin(alpha) + y1g*TMath::Cos(alpha);\r
+ Double_t z1t = z1g; \r
+\r
+ Double_t x2t = x1t+1.0;\r
+ Double_t y2t = y1t+fRieman->GetDYat(x1t);\r
+ Double_t z2t = z1t+fRieman->GetDZat(x1t);\r
+ Double_t x2g = x2t*TMath::Cos(alpha) - y2t*TMath::Sin(alpha);\r
+ Double_t y2g = x2t*TMath::Sin(alpha) + y2t*TMath::Cos(alpha);\r
+ Double_t z2g = z2t; \r
+\r
+ AliDebug(3,Form("Riemann frame: fAlpha = %f = %f ",alpha,alpha*180./TMath::Pi()));\r
+ AliDebug(3,Form(" prf_glo=( %f , %f , %f ) prf_rf=( %f , %f , %f )\n", x1g,y1g,z1g, x1t,y1t,z1t));\r
+ AliDebug(3,Form(" mov_glo=( %f , %f , %f ) rf=( %f , %f , %f )\n",x2g,y2g,z2g, x2t,y2t,z2t));\r
+ \r
+ if (TMath::Abs(y2g-y1g)<1e-15) {\r
+ AliInfo("DeltaY=0! Cannot proceed...");\r
+ return -1;\r
+ }\r
+ // ugx,1,ugz\r
+ v0g[0] = (x2g-x1g)/(y2g-y1g);\r
+ v0g[1]=1.0;\r
+ v0g[2] = (z2g-z1g)/(y2g-y1g);\r
+ \r
+ // point: just keep prf\r
+ p0g[0]=x1g;\r
+ p0g[1]=y1g;\r
+ p0g[2]=z1g;\r
+ } \r
+ else { // staight line\r
+ // vector of initial straight line direction in glob. coord\r
+ v0g[0]=lpar[2];\r
+ v0g[1]=1.0;\r
+ v0g[2]=lpar[3];\r
+ \r
+ // intercept in yg=0 plane in glob coord\r
+ p0g[0]=lpar[0];\r
+ p0g[1]=0.0;\r
+ p0g[2]=lpar[1];\r
+ }\r
+ AliDebug(3,Form("Line vector: ( %f , %f , %f ) point:( %f , %f , %f )\n",v0g[0],v0g[1],v0g[2],p0g[0],p0g[1],p0g[2]));\r
+ \r
+ // same in local coord.\r
+ Double_t p0l[3],v0l[3];\r
+ tempHMat->MasterToLocalVect(v0g,v0l);\r
+ tempHMat->MasterToLocal(p0g,p0l);\r
+ \r
+ if (TMath::Abs(v0l[1])<1e-15) {\r
+ AliInfo("Track Y direction in local frame is zero! Cannot proceed...");\r
+ return -1;\r
+ }\r
+ \r
+ // local intersection point\r
+ fPintLoc[0] = p0l[0] - (v0l[0]/v0l[1])*p0l[1];\r
+ fPintLoc[1] = 0;\r
+ fPintLoc[2] = p0l[2] - (v0l[2]/v0l[1])*p0l[1];\r
+ \r
+ // global intersection point\r
+ tempHMat->LocalToMaster(fPintLoc,fPintGlo);\r
+ AliDebug(3,Form("Intesect. point: L( %f , %f , %f ) G( %f , %f , %f )\n",fPintLoc[0],fPintLoc[1],fPintLoc[2],fPintGlo[0],fPintGlo[1],fPintGlo[2]));\r
+ \r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::CalcDerivatives(Int_t paridx, Bool_t islpar) \r
+{\r
+ /// calculate numerically (ROOT's style) the derivatives for\r
+ /// local X intersection and local Z intersection\r
+ /// parlist: local (islpar=kTRUE) pgx0, pgz0, ugx0, ugz0 OR riemann's params\r
+ /// global (islpar=kFALSE) tx, ty, tz, psi, theta, phi (Raf's angles in deg)\r
+ /// return 0 if success\r
+ \r
+ // copy initial parameters\r
+ Double_t lpar[kNLocal];\r
+ Double_t gpar[kNParCh];\r
+ Double_t *derivative;\r
+ for (Int_t i=0; i<kNLocal; i++) lpar[i]=fLocalInitParam[i];\r
+ for (Int_t i=0; i<kNParCh; i++) gpar[i]=fModuleInitParam[i];\r
+\r
+ // trial with fixed dpar...\r
+ Double_t dpar = 0.;\r
+\r
+ if (islpar) { // track parameters\r
+ //dpar=fLocalInitParam[paridx]*0.001;\r
+ // set minimum dpar\r
+ derivative = fDerivativeLoc[paridx];\r
+ if (!fBOn) {\r
+ if (paridx<3) dpar=1.0e-4; // translations\r
+ else dpar=1.0e-6; // direction\r
+ }\r
+ else { // B Field\r
+ // pepo: proviamo con 1/1000, poi evenctually 1/100...\r
+ Double_t dfrac=0.01;\r
+ switch(paridx) {\r
+ case 0:\r
+ // RMS cosmics: 1e-4\r
+ dpar = TMath::Max(1.0e-6,TMath::Abs(fLocalInitParam[paridx]*dfrac)); \r
+ break;\r
+ case 1: \r
+ // RMS cosmics: 0.2\r
+ dpar = TMath::Max(0.002,TMath::Abs(fLocalInitParam[paridx]*dfrac)); \r
+ break;\r
+ case 2: \r
+ // RMS cosmics: 9\r
+ dpar = TMath::Max(0.09,TMath::Abs(fLocalInitParam[paridx]*dfrac)); \r
+ break;\r
+ case 3: \r
+ // RMS cosmics: 7\r
+ dpar = TMath::Max(0.07,TMath::Abs(fLocalInitParam[paridx]*dfrac)); \r
+ break;\r
+ case 4: \r
+ // RMS cosmics: 0.3\r
+ dpar = TMath::Max(0.003,TMath::Abs(fLocalInitParam[paridx]*dfrac)); \r
+ break;\r
+ }\r
+ }\r
+ }\r
+ else { // alignment global parameters\r
+ derivative = fDerivativeGlo[paridx];\r
+ //dpar=fModuleInitParam[paridx]*0.001;\r
+ if (paridx<3) dpar=1.0e-4; // translations\r
+ else dpar=1.0e-2; // angles \r
+ }\r
+\r
+ AliDebug(3,Form("+++ using dpar=%g",dpar));\r
+ \r
+ // calculate derivative ROOT's like:\r
+ // using f(x+h),f(x-h),f(x+h/2),f(x-h2)...\r
+ Double_t pintl1[3]; // f(x-h)\r
+ Double_t pintl2[3]; // f(x-h/2)\r
+ Double_t pintl3[3]; // f(x+h/2)\r
+ Double_t pintl4[3]; // f(x+h)\r
+ \r
+ // first values\r
+ if (islpar) lpar[paridx] -= dpar;\r
+ else gpar[paridx] -= dpar;\r
+ if (CalcIntersectionPoint(lpar, gpar)) return -2;\r
+ for (Int_t i=0; i<3; i++) pintl1[i]=fPintLoc[i];\r
+\r
+ // second values\r
+ if (islpar) lpar[paridx] += dpar/2;\r
+ else gpar[paridx] += dpar/2;\r
+ if (CalcIntersectionPoint(lpar, gpar)) return -2;\r
+ for (Int_t i=0; i<3; i++) pintl2[i]=fPintLoc[i];\r
+\r
+ // third values\r
+ if (islpar) lpar[paridx] += dpar;\r
+ else gpar[paridx] += dpar;\r
+ if (CalcIntersectionPoint(lpar, gpar)) return -2;\r
+ for (Int_t i=0; i<3; i++) pintl3[i]=fPintLoc[i];\r
+\r
+ // fourth values\r
+ if (islpar) lpar[paridx] += dpar/2;\r
+ else gpar[paridx] += dpar/2;\r
+ if (CalcIntersectionPoint(lpar, gpar)) return -2;\r
+ for (Int_t i=0; i<3; i++) pintl4[i]=fPintLoc[i];\r
+\r
+ Double_t h2 = 1./(2.*dpar);\r
+ Double_t d0 = pintl4[0]-pintl1[0];\r
+ Double_t d2 = 2.*(pintl3[0]-pintl2[0]);\r
+ derivative[0] = h2*(4*d2 - d0)/3.;\r
+ if (TMath::Abs(derivative[0]) < 1.0e-9) derivative[0] = 0.0;\r
+\r
+ d0 = pintl4[2]-pintl1[2];\r
+ d2 = 2.*(pintl3[2]-pintl2[2]);\r
+ derivative[2] = h2*(4*d2 - d0)/3.;\r
+ if (TMath::Abs(derivative[2]) < 1.0e-9) derivative[2]=0.0;\r
+\r
+ AliDebug(3,Form("\n+++ derivatives +++ \n"));\r
+ AliDebug(3,Form("+++ dXLoc/dpar = %g +++\n",derivative[0]));\r
+ AliDebug(3,Form("+++ dZLoc/dpar = %g +++\n\n",derivative[2]));\r
+ \r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::AddLocalEquation(Mille2Data &m) \r
+{\r
+ /// Define local equation for current cluster in X and Z coor.\r
+ /// and store them to memory\r
+ /// return -1 in case of failure to build some equation\r
+ /// 0 if no free global parameters were found but local eq is built\r
+ /// 1 if both local and global eqs are built\r
+ //\r
+ // store first intersection point\r
+ if (CalcIntersectionPoint(fLocalInitParam, fModuleInitParam)) return -1; \r
+ for (Int_t i=0; i<3; i++) fPintLoc0[i]=fPintLoc[i];\r
+ AliDebug(2,Form("Intesect. point: L( %f , %f , %f )",fPintLoc[0],fPintLoc[1],fPintLoc[2]));\r
+ \r
+ // calculate local derivatives numerically\r
+ Bool_t zeroX = kTRUE;\r
+ Bool_t zeroZ = kTRUE;\r
+ //\r
+ for (Int_t i=0; i<fNLocal; i++) {\r
+ if (CalcDerivatives(i,kTRUE)) return -1;\r
+ m.fDerLocX[i] = fDerivativeLoc[i][0];\r
+ m.fDerLocZ[i] = fDerivativeLoc[i][2];\r
+ if (zeroX) zeroX = fDerivativeLoc[i][0]==0;\r
+ if (zeroZ) zeroZ = fDerivativeLoc[i][2]==0;\r
+ }\r
+ // for (Int_t i=0; i<fNLocal; i++) AliDebug(2,Form("Local parameter %d - dXdpar = %g - dZdpar = %g\n",i,dXdL[i],dZdL[i]));\r
+ //\r
+ if (zeroX) {AliInfo("Skipping: zero local X derivatives!"); return -1;}\r
+ if (zeroZ) {AliInfo("Skipping: zero local Z derivatives!"); return -1;}\r
+ //\r
+ int ifill = 0;\r
+ //\r
+ AliITSAlignMille2Module* endModule = fCurrentModule;\r
+ //\r
+ zeroX = zeroZ = kTRUE;\r
+ Bool_t dfDone[kNParCh];\r
+ for (int i=kNParCh;i--;) dfDone[i] = kFALSE;\r
+ m.fNModFilled = 0;\r
+ // \r
+ // special block for SDD derivatives\r
+ Double_t jacobian[kNParChGeom];\r
+ Int_t nmodTested = 0;\r
+ //\r
+ do {\r
+ if (fCurrentModule->GetNParFree()==0) continue;\r
+ nmodTested++;\r
+ for (Int_t i=0; i<kNParChGeom; i++) { // common for all sensors: derivatives over geom params \r
+ //\r
+ if (!fUseGlobalDelta) dfDone[i] = kFALSE; // for global deltas the derivatives at diff. levels are different\r
+ if (fCurrentModule->GetParOffset(i)<0) continue; // this parameter is not explicitly fitted\r
+ if (!dfDone[i]) { \r
+ if (CalcDerivatives(i,kFALSE)) return -1; \r
+ else {\r
+ dfDone[i] = kTRUE;\r
+ if (zeroX) zeroX = fDerivativeGlo[i][0]==0;\r
+ if (zeroZ) zeroZ = fDerivativeGlo[i][2]==0;\r
+ }\r
+ }\r
+ //\r
+ m.fDerGloX[ifill] = fDerivativeGlo[i][0];\r
+ m.fDerGloZ[ifill] = fDerivativeGlo[i][2];\r
+ m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(i);\r
+ }\r
+ //\r
+ // specific for special sensors\r
+ if ( fCurrentModule->IsSDD() && \r
+ (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0)>=0 ||\r
+ fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV)>=0) ) {\r
+ //\r
+ // assume for sensor local xloc = xloc0 + V0*dT0+dV*(T-T0)\r
+ // where V0 and T are the nominal drift velocity, time and time0\r
+ // and the dT0 and dV are the corrections:\r
+ // dX/dT0 = dX/dxloc * dxloc/dT0 = dX/dxloc * V0\r
+ // dX/dV = dX/dxloc * dxloc/dV = dX/dxloc * (T-T0)\r
+ // IMPORTANT: the geom derivatives are over the SENSOR LOCAL parameters\r
+ //\r
+ if (!dfDone[AliITSAlignMille2Module::kDOFT0] || !dfDone[AliITSAlignMille2Module::kDOFDV]) {\r
+ //\r
+ double dXdxlocsens=0., dZdxlocsens=0.;\r
+ //\r
+ // if the current module is the sensor itself and we work with local params, then \r
+ // we can directly take dX/dxloc_sens dZ/dxloc_sens\r
+ if (!fUseGlobalDelta && fCurrentModule->GetVolumeID()==fCluster.GetVolumeID()) {\r
+ if (dfDone[AliITSAlignMille2Module::kDOFTX]) {\r
+ CalcDerivatives(AliITSAlignMille2Module::kDOFTX,kFALSE); \r
+ dfDone[AliITSAlignMille2Module::kDOFTX] = kTRUE;\r
+ }\r
+ dXdxlocsens = fDerivativeGlo[AliITSAlignMille2Module::kDOFTX][0];\r
+ dZdxlocsens = fDerivativeGlo[AliITSAlignMille2Module::kDOFTX][2];\r
+ }\r
+ //\r
+ else { // need to perform some transformations\r
+ // fetch the jacobian of the transformation from the sensors local frame to the frame\r
+ // where the parameters are defined:\r
+ // Global: dX/dxloc_sens = dX/dxgl*dxgl/dxloc_sens + ...dX/dphigl*dphigl/dxloc_sens\r
+ if (fUseGlobalDelta) fCurrentModule->CalcDerivGloLoc(fCluster.GetVolumeID(),\r
+ AliITSAlignMille2Module::kDOFTX, jacobian);\r
+ // Local: dX/dxloc_sens = dX/dxcurr*dxcurr/dxloc_sens +..+dX/dphicurr * dphicurr/dxloc_sens \r
+ else fCurrentModule->CalcDerivCurLoc(fCluster.GetVolumeID(),\r
+ AliITSAlignMille2Module::kDOFTX, jacobian);\r
+ //\r
+ for (int j=0;j<kNParChGeom;j++) {\r
+ // need global derivative even if the j-th param is locked\r
+ if (!dfDone[j]) {CalcDerivatives(j,kFALSE); dfDone[j] = kTRUE;}\r
+ dXdxlocsens += fDerivativeGlo[j][0] * jacobian[j];\r
+ dZdxlocsens += fDerivativeGlo[j][2] * jacobian[j];\r
+ }\r
+ }\r
+ //\r
+ if (zeroX) zeroX = dXdxlocsens == 0;\r
+ if (zeroZ) zeroZ = dZdxlocsens == 0;\r
+ //\r
+ double vdrift = GetVDriftSDD();\r
+ double tdrift = GetTDriftSDD();\r
+ //\r
+ fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][0] = dXdxlocsens*vdrift;\r
+ fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][2] = dZdxlocsens*vdrift;\r
+ dfDone[AliITSAlignMille2Module::kDOFT0] = kTRUE;\r
+ //\r
+ fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][0] = -dXdxlocsens*TMath::Sign(tdrift,vdrift);\r
+ fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][2] = -dZdxlocsens*TMath::Sign(tdrift,vdrift);\r
+ dfDone[AliITSAlignMille2Module::kDOFDV] = kTRUE;\r
+ //\r
+ }\r
+ //\r
+ if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0)>=0) {\r
+ m.fDerGloX[ifill] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][0];\r
+ m.fDerGloZ[ifill] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][2];\r
+ m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0); \r
+ }\r
+ //\r
+ if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV)>=0) {\r
+ m.fDerGloX[ifill] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][0];\r
+ m.fDerGloZ[ifill] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][2];\r
+ m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV); \r
+ }\r
+ }\r
+ //\r
+ m.fModuleID[m.fNModFilled++] = fCurrentModule->GetUniqueID();\r
+ } while( (fCurrentModule=fCurrentModule->GetParent()) );\r
+ //\r
+ if (nmodTested>0 && zeroX) {AliInfo("Skipping: zero global X derivatives!");return -1;}\r
+ if (nmodTested>0 && zeroZ) {AliInfo("Skipping: zero global Z derivatives!");return -1;}\r
+ //\r
+ // ok, can copy to m\r
+ AliDebug(2,Form("Adding local equation X with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[0]-fPintLoc0[0]), fSigmaLoc[0]));\r
+ m.fMeasX = fMeasLoc[0]-fPintLoc0[0];\r
+ m.fSigmaX = fSigmaLoc[0];\r
+ //\r
+ AliDebug(2,Form("Adding local equation Z with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[2]-fPintLoc0[2]), fSigmaLoc[2]));\r
+ m.fMeasZ = fMeasLoc[2]-fPintLoc0[2];\r
+ m.fSigmaZ = fSigmaLoc[2];\r
+ //\r
+ m.fNGlobFilled = ifill;\r
+ fCurrentModule = endModule;\r
+ //\r
+ return Int_t(!zeroX && !zeroZ);\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::SetLocalEquations(const Mille2Data *marr, Int_t neq) \r
+{\r
+ /// Set local equations with data stored in m\r
+ /// return 0 if success\r
+ //\r
+ for (Int_t j=0; j<neq; j++) {\r
+ //\r
+ const Mille2Data &m = marr[j];\r
+ //\r
+ // set equation for Xloc coordinate\r
+ AliDebug(2,Form("setting local equation X with fMeas=%.6f and fSigma=%.6f",m.fMeasX, m.fSigmaX));\r
+ for (int i=fNLocal; i--;) SetLocalDerivative( i, m.fDerLocX[i] );\r
+ for (int i=m.fNGlobFilled;i--;) SetGlobalDerivative( m.fParMilleID[i] , m.fDerGloX[i] );\r
+ fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, m.fMeasX, m.fSigmaX); \r
+ //\r
+ // set equation for Zloc coordinate\r
+ AliDebug(2,Form("setting local equation Z with fMeas=%.6f and fSigma=%.6f",m.fMeasZ, m.fSigmaZ));\r
+ for (int i=fNLocal; i--;) SetLocalDerivative( i, m.fDerLocZ[i] );\r
+ for (int i=m.fNGlobFilled;i--;) SetGlobalDerivative( m.fParMilleID[i] , m.fDerGloZ[i] );\r
+ fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, m.fMeasZ, m.fSigmaZ); \r
+ //\r
+ for (int i=m.fNModFilled;i--;) GetMilleModule(m.fModuleID[i])->IncNProcessedPoints();\r
+ //\r
+ }\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::GlobalFit()\r
+{\r
+ /// Call global fit; Global parameters are stored in parameters\r
+ if (!fIsMilleInit) Init();\r
+ //\r
+ ApplyPreConstraints();\r
+ int res = fMillepede->GlobalFit();\r
+ AliInfo(Form("%s fitting global parameters!",res ? "Done":"Failed"));\r
+ if (res) {\r
+ // fetch the parameters\r
+ for (int imd=fNModules;imd--;) {\r
+ AliITSAlignMille2Module* mod = GetMilleModule(imd);\r
+ int nprocp = 0;\r
+ for (int ip=mod->GetNParTot();ip--;) {\r
+ int idp = mod->GetParOffset(ip);\r
+ if (idp<0) continue; // was not in the explicit fit\r
+ mod->SetParVal(ip,fMillepede->GetFinalParam(idp));\r
+ mod->SetParErr(ip,fMillepede->GetFinalError(idp));\r
+ int np = fMillepede->GetProcessedPoints(idp);\r
+ if (TMath::Abs(np)>TMath::Abs(nprocp)) nprocp = np;\r
+ }\r
+ if (!mod->GetNProcessedPoints()) mod->SetNProcessedPoints(nprocp);\r
+ }\r
+\r
+ }\r
+ ApplyPostConstraints();\r
+ return res;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::PrintGlobalParameters() \r
+{\r
+ /// Print global parameters\r
+ if (!fIsMilleInit) {\r
+ AliInfo("Millepede has not been initialized!");\r
+ return;\r
+ }\r
+ fMillepede->PrintGlobalParameters();\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Int_t AliITSAlignMille2::LoadSuperModuleFile(const Char_t *sfile)\r
+{ \r
+ // load definitions of supermodules from a root file\r
+ // return 0 if success\r
+\r
+ TFile *smf=TFile::Open(sfile);\r
+ if (!smf->IsOpen()) {\r
+ AliInfo(Form("Cannot open supermodule file %s",sfile));\r
+ return -1;\r
+ }\r
+\r
+ TClonesArray *sma=(TClonesArray*)smf->Get("ITSMilleSuperModules");\r
+ if (!sma) {\r
+ AliInfo(Form("Cannot find ITSMilleSuperModules array in file"));\r
+ return -2; \r
+ } \r
+ Int_t nsma=sma->GetEntriesFast();\r
+ AliInfo(Form("Array of SuperModules with %d entries\n",nsma));\r
+ //\r
+ // pepo200709\r
+ Char_t st[2048];\r
+ char symname[250];\r
+ // end pepo200709\r
+\r
+ UShort_t volid;\r
+ TGeoHMatrix m;\r
+ //\r
+ for (Int_t i=0; i<nsma; i++) {\r
+ AliAlignObjParams *a = (AliAlignObjParams*)sma->UncheckedAt(i);\r
+ volid=a->GetVolUID();\r
+ strcpy(st,a->GetSymName());\r
+ a->GetMatrix(m);\r
+ //\r
+ sscanf(st,"%s",symname);\r
+ //\r
+ // decode module list\r
+ char *stp=strstr(st,"ModuleList:");\r
+ if (!stp) return -3;\r
+ stp += 11;\r
+ int idx[2200];\r
+ char spp[200]; int jp=0;\r
+ char cl[20];\r
+ strcpy(st,stp);\r
+ int l=strlen(st);\r
+ int j=0;\r
+ int n=0;\r
+ //\r
+ while (j<=l) {\r
+ if (st[j]==9 || st[j]==32 || st[j]==10 || st[j]==0) {\r
+ spp[jp]=0;\r
+ jp=0;\r
+ if (strlen(spp)) {\r
+ int k=strcspn(spp,"-");\r
+ if (k<int(strlen(spp))) { // c'e' il -\r
+ strcpy(cl,&(spp[k+1]));\r
+ spp[k]=0;\r
+ int ifrom=atoi(spp); int ito=atoi(cl);\r
+ for (int b=ifrom; b<=ito; b++) {\r
+ idx[n]=b;\r
+ n++;\r
+ }\r
+ }\r
+ else { // numerillo singolo\r
+ idx[n]=atoi(spp);\r
+ n++;\r
+ }\r
+ }\r
+ }\r
+ else {\r
+ spp[jp]=st[j];\r
+ jp++;\r
+ }\r
+ j++;\r
+ }\r
+ UShort_t volidsv[2198];\r
+ for (j=0;j<n;j++) {\r
+ volidsv[j]=AliITSAlignMille2Module::GetVolumeIDFromIndex(idx[j]);\r
+ if (!volidsv[j]) {\r
+ AliInfo(Form("Index %d not valid (range 0->%d)",idx[j],kMaxITSSensID));\r
+ return -5;\r
+ }\r
+ }\r
+ Int_t smindex=int(2198+volid-14336); // virtual index\r
+ //\r
+ fSuperModule.AddAtAndExpand(new AliITSAlignMille2Module(smindex,volid,symname,&m,n,volidsv),fNSuperModules);\r
+ //\r
+ fNSuperModules++;\r
+ }\r
+ //\r
+ smf->Close();\r
+ //\r
+ return 0;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ConstrainModuleSubUnitsMean(Int_t idm, Double_t val, UInt_t pattern)\r
+{\r
+ // require that sum of modifications for the childs of this module is = val, i.e.\r
+ // the internal corrections moves the module as a whole by fixed value (0 by default).\r
+ // pattern is the bit pattern for the parameters to constrain\r
+ //\r
+ if (fIsMilleInit) {\r
+ AliInfo("Millepede has been already initialized: no constrain may be added!");\r
+ return;\r
+ }\r
+ if (!GetMilleModule(idm)->GetNChildren()) return;\r
+ TString nm = "cstrSUMean";\r
+ nm += GetNConstraints();\r
+ AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMean,\r
+ idm,val,pattern);\r
+ cstr->SetConstraintID(GetNConstraints());\r
+ fConstraints.Add(cstr);\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ConstrainModuleSubUnitsMedian(Int_t idm, Double_t val, UInt_t pattern)\r
+{\r
+ // require that median of the modifications for the childs of this module is = val, i.e.\r
+ // the internal corrections moves the module as a whole by fixed value (0 by default) \r
+ // module the outliers.\r
+ // pattern is the bit pattern for the parameters to constrain\r
+ // The difference between the mean and the median will be transfered to the parent\r
+ if (fIsMilleInit) {\r
+ AliInfo("Millepede has been already initialized: no constrain may be added!");\r
+ return;\r
+ }\r
+ if (!GetMilleModule(idm)->GetNChildren()) return;\r
+ TString nm = "cstrSUMed";\r
+ nm += GetNConstraints();\r
+ AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMedian,\r
+ idm,val,pattern);\r
+ cstr->SetConstraintID(GetNConstraints());\r
+ fConstraints.Add(cstr);\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ConstrainOrphansMean(Double_t val, UInt_t pattern)\r
+{\r
+ // require that median of the modifications for the supermodules which have no parents is = val, i.e.\r
+ // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers.\r
+ // pattern is the bit pattern for the parameters to constrain\r
+ //\r
+ if (fIsMilleInit) {\r
+ AliInfo("Millepede has been already initialized: no constrain may be added!");\r
+ return;\r
+ }\r
+ TString nm = "cstrOMean";\r
+ nm += GetNConstraints();\r
+ AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMean,\r
+ -1,val,pattern);\r
+ cstr->SetConstraintID(GetNConstraints());\r
+ fConstraints.Add(cstr);\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ConstrainOrphansMedian(Double_t val, UInt_t pattern)\r
+{\r
+ // require that median of the modifications for the supermodules which have no parents is = val, i.e.\r
+ // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers.\r
+ // pattern is the bit pattern for the parameters to constrain\r
+ //\r
+ if (fIsMilleInit) {\r
+ AliInfo("Millepede has been already initialized: no constrain may be added!");\r
+ return;\r
+ }\r
+ TString nm = "cstrOMed";\r
+ nm += GetNConstraints();\r
+ AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMedian,\r
+ -1,val,pattern);\r
+ cstr->SetConstraintID(GetNConstraints());\r
+ fConstraints.Add(cstr);\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ConstrainLocal(const Char_t* name,Double_t *parcf,Int_t npar,Double_t val,Double_t err)\r
+{\r
+ // apply constraint on parameters in the local frame\r
+ if (fIsMilleInit) {\r
+ AliInfo("Millepede has been already initialized: no constrain may be added!");\r
+ return;\r
+ }\r
+ AliITSAlignMille2ConstrArray *cstr = new AliITSAlignMille2ConstrArray(name,parcf,npar,val,err);\r
+ cstr->SetConstraintID(GetNConstraints());\r
+ fConstraints.Add(cstr);\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ApplyGaussianConstraint(const AliITSAlignMille2ConstrArray* cstr)\r
+{\r
+ // apply the constraint on the local corrections of a list of modules\r
+ int nmod = cstr->GetNModules();\r
+ double jacobian[AliITSAlignMille2Module::kMaxParGeom][AliITSAlignMille2Module::kMaxParGeom];\r
+ //\r
+ for (int imd=nmod;imd--;) {\r
+ int modID = cstr->GetModuleID(imd);\r
+ AliITSAlignMille2Module* mod = GetMilleModule(modID);\r
+ ResetLocalEquation();\r
+ int nadded = 0;\r
+ double value = cstr->GetValue();\r
+ double sigma = cstr->GetError();\r
+ //\r
+ // in case the reference (survey) deltas were imposed for Gaussian constraints\r
+ // already accumulated corrections: they must be subtracted from the constraint value.\r
+ if (IsConstraintWrtRef()) {\r
+ //\r
+ Double_t precal[AliITSAlignMille2Module::kMaxParTot];\r
+ Double_t refcal[AliITSAlignMille2Module::kMaxParTot];\r
+ for (int ip=AliITSAlignMille2Module::kMaxParTot;ip--;) {precal[ip]=0; refcal[ip] = 0.;}\r
+ //\r
+ // check if there was a reference delta provided for this module\r
+ AliAlignObjParams* parref = GetConstrRefObject(mod->GetName());\r
+ if (parref) parref->GetPars(refcal, refcal+3); // found reference delta\r
+ //\r
+ // extract already applied local corrections for this module\r
+ if (fPrealignment) {\r
+ //\r
+ AliAlignObjParams *preo = GetPrealignedObject(mod->GetName());\r
+ if (preo) {\r
+ TGeoHMatrix preMat,tmpMat = *mod->GetMatrix(); // Delta_Glob * Delta_Glob_Par * M\r
+ preo->GetMatrix(preMat); // Delta_Glob\r
+ preMat.MultiplyLeft( &tmpMat.Inverse() ); // M^-1 * Delta_Glob_Par^-1 = (Delta_Glob_Par * M)^-1\r
+ tmpMat.MultiplyLeft( &preMat ); // (Delta_Glob_Par * M)^-1 * Delta_Glob * Delta_Glob_Par * M = Delta_loc\r
+ AliAlignObjParams algob;\r
+ algob.SetMatrix(tmpMat);\r
+ algob.GetPars(precal,precal+3); // local corrections for geometry\r
+ }\r
+ }\r
+ //\r
+ // subtract the contribution to constraint from precalibration \r
+ for (int ipar=cstr->GetNCoeffs();ipar--;) value += (refcal[ipar]-precal[ipar])*cstr->GetCoeff(ipar);\r
+ //\r
+ } \r
+ // \r
+ if (fUseGlobalDelta) mod->CalcDerivLocGlo(&jacobian[0][0]);\r
+ //\r
+ for (int ipar=cstr->GetNCoeffs();ipar--;) {\r
+ double coef = cstr->GetCoeff(ipar);\r
+ if (coef==0) continue;\r
+ //\r
+ if (!fUseGlobalDelta || ipar>= AliITSAlignMille2Module::kMaxParGeom) { // \r
+ // we are working with local params or if the given param is not related to geometry, \r
+ // apply the constraint directly\r
+ int parPos = mod->GetParOffset(ipar);\r
+ if (parPos<0) continue; // not in the fit\r
+ fGlobalDerivatives[parPos] += coef;\r
+ nadded++;\r
+ }\r
+ else { // we are working with global params, while the constraint is on local ones -> jacobian\r
+ for (int jpar=AliITSAlignMille2Module::kMaxParGeom;jpar--;) {\r
+ int parPos = mod->GetParOffset(jpar);\r
+ if (parPos<0) continue;\r
+ fGlobalDerivatives[parPos] += coef*jacobian[ipar][jpar];\r
+ nadded++;\r
+ }\r
+ } \r
+ }\r
+ if (nadded) AddConstraint(fGlobalDerivatives, value, sigma);\r
+ }\r
+ //\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ApplyPreConstraints()\r
+{\r
+ // apply constriants which cannot be imposed after the fit\r
+ int nconstr = GetNConstraints();\r
+ for (int i=0;i<nconstr;i++) {\r
+ AliITSAlignMille2Constraint* cstr = GetConstraint(i);\r
+ //\r
+ if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) {\r
+ ApplyGaussianConstraint( (AliITSAlignMille2ConstrArray*)cstr);\r
+ continue;\r
+ } \r
+ //\r
+ if (cstr->GetType() == AliITSAlignMille2Constraint::kTypeMedian) continue; // post type constraint\r
+ //\r
+ if (!fUseGlobalDelta) continue; // mean/med constraints must be applied to global deltas\r
+ // apply constraint on the mean's before the fit\r
+ int imd = cstr->GetModuleID();\r
+ if (imd>=0) {\r
+ AliITSAlignMille2Module* mod = GetMilleModule(imd);\r
+ UInt_t pattern = 0;\r
+ for (int ipar=mod->GetNParTot();ipar--;) {\r
+ if (!cstr->IncludesParam(ipar)) continue;\r
+ if (mod->GetParOffset(ipar)<0) continue; // parameter is not in the explicit fit -> post constraint\r
+ pattern |= 0x1<<ipar;\r
+ cstr->SetApplied(ipar);\r
+ }\r
+ ConstrainModuleSubUnits(imd,cstr->GetValue(),pattern);\r
+ //\r
+ }\r
+ else if (!PseudoParentsAllowed()) {\r
+ ConstrainOrphans(cstr->GetValue(),(UInt_t)cstr->GetPattern());\r
+ cstr->SetApplied(-1);\r
+ }\r
+ }\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ApplyPostConstraints()\r
+{\r
+ // apply constraints which can be imposed after the fit\r
+ int nconstr = GetNConstraints();\r
+ Bool_t convGlo = kFALSE;\r
+ // check if there is something to do\r
+ int ntodo = 0;\r
+ for (int i=0;i<nconstr;i++) {\r
+ AliITSAlignMille2Constraint* cstr = GetConstraint(i);\r
+ if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) continue;\r
+ if (cstr->GetRemainingPattern() == 0) continue;\r
+ ntodo++;\r
+ }\r
+ if (!ntodo) return;\r
+ //\r
+ if (!fUseGlobalDelta) { // need to convert to global params\r
+ ConvertParamsToGlobal();\r
+ convGlo = kTRUE;\r
+ }\r
+ //\r
+ for (int i=0;i<nconstr;i++) {\r
+ AliITSAlignMille2Constraint* cstr = GetConstraint(i);\r
+ if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) continue;\r
+ //\r
+ int imd = cstr->GetModuleID();\r
+ //\r
+ if (imd>=0) {\r
+ AliITSAlignMille2Module* mod = GetMilleModule(imd);\r
+ UInt_t pattern = 0;\r
+ for (int ipar=mod->GetNParTot();ipar--;) {\r
+ if (cstr->IsApplied(ipar)) continue;\r
+ if (!cstr->IncludesParam(ipar)) continue;\r
+ if (!mod->IsFreeDOF(ipar)) continue; // parameter is fixed, will not apply constraint\r
+ pattern |= 0x1<<ipar;\r
+ cstr->SetApplied(ipar);\r
+ }\r
+ if (pattern) PostConstrainModuleSubUnits(cstr->GetType(),cstr->GetModuleID(),cstr->GetValue(),pattern);\r
+ //\r
+ }\r
+ else if (PseudoParentsAllowed()) {\r
+ UInt_t pattern = (UInt_t)cstr->GetRemainingPattern();\r
+ PostConstrainOrphans(cstr->GetType(),cstr->GetValue(),pattern);\r
+ cstr->SetApplied(-1);\r
+ }\r
+ }\r
+ // if there was a conversion, rewind it\r
+ if (convGlo) ConvertParamsToLocal();\r
+ // \r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ConstrainModuleSubUnits(Int_t idm, Double_t val, UInt_t pattern)\r
+{\r
+ // require that sum of modifications for the childs of this module is = val, i.e.\r
+ // the internal corrections moves the module as a whole by fixed value (0 by default).\r
+ // pattern is the bit pattern for the parameters to constrain\r
+ //\r
+ //\r
+ AliITSAlignMille2Module* mod = GetMilleModule(idm);\r
+ //\r
+ for (int ip=0;ip<kNParCh;ip++) {\r
+ if ( !((pattern>>ip)&0x1) /*|| !parent->IsFreeDOF(ip)*/) continue;\r
+ ResetLocalEquation();\r
+ int nadd = 0;\r
+ for (int ich=mod->GetNChildren();ich--;) {\r
+ int idpar = ((AliITSAlignMille2Module*)mod->GetChild(ich))->GetParOffset(ip);\r
+ if (idpar<0) continue;\r
+ fGlobalDerivatives[idpar] = 1.0;\r
+ nadd++;\r
+ }\r
+ //\r
+ if (nadd>0) {\r
+ AddConstraint(fGlobalDerivatives,val);\r
+ AliInfo(Form("Constrained param %d for %d submodules of module #%d: %s",ip,nadd,idm,mod->GetName()));\r
+ }\r
+ }\r
+ //\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ConstrainOrphans(Double_t val, UInt_t pattern)\r
+{\r
+ // require that median of the modifications for the supermodules which have no parents is = val, i.e.\r
+ // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers.\r
+ // pattern is the bit pattern for the parameters to constrain\r
+ //\r
+ for (int ip=0;ip<kNParCh;ip++) {\r
+ //\r
+ if ( !((pattern>>ip)&0x1) ) continue;\r
+ ResetLocalEquation();\r
+ int nadd = 0;\r
+ for (int imd=fNModules;imd--;) {\r
+ AliITSAlignMille2Module* mod = GetMilleModule(imd);\r
+ if (mod->GetParent()) continue; // this is not an orphan\r
+ int idpar = mod->GetParOffset(ip);\r
+ if (idpar<0) continue;\r
+ fGlobalDerivatives[idpar] = 1.0;\r
+ nadd++;\r
+ }\r
+ if (nadd>0) {\r
+ AddConstraint(fGlobalDerivatives,val);\r
+ AliInfo(Form("Constrained param %d for %d orphan modules",ip,nadd));\r
+ }\r
+ }\r
+ //\r
+ //\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::PostConstrainModuleSubUnits(Int_t type,Int_t idm, Double_t val, UInt_t pattern)\r
+{\r
+ // require that median or mean of the modifications for the childs of this module is = val, i.e.\r
+ // the internal corrections moves the module as a whole by fixed value (0 by default) \r
+ // module the outliers.\r
+ // pattern is the bit pattern for the parameters to constrain\r
+ // The difference between the mean and the median will be transfered to the parent\r
+ //\r
+ AliITSAlignMille2Module* parent = GetMilleModule(idm);\r
+ int nc = parent->GetNChildren();\r
+ //\r
+ double *tmpArr = new double[nc]; \r
+ //\r
+ for (int ip=0;ip<kNParCh;ip++) {\r
+ int npc = 0;\r
+ if ( !((pattern>>ip)&0x1) || !parent->IsFreeDOF(ip)) continue;\r
+ // compute the mean and median of the deltas\r
+ int nfree = 0;\r
+ for (int ich=nc;ich--;) {\r
+ AliITSAlignMille2Module* child = parent->GetChild(ich);\r
+ // if (!child->IsFreeDOF(ip)) continue; \r
+ tmpArr[nfree++] = child->GetParVal(ip);\r
+ }\r
+ double median=0,mean=0;\r
+ for (int ic0=0;ic0<nfree;ic0++) {// order the deltas \r
+ mean += tmpArr[ic0];\r
+ for (int ic1=ic0+1;ic1<nfree;ic1++) \r
+ if (tmpArr[ic0]>tmpArr[ic1]) {double tv=tmpArr[ic0]; tmpArr[ic0]=tmpArr[ic1]; tmpArr[ic1]=tv;}\r
+ }\r
+ //\r
+ int kmed = nfree/2;\r
+ median = (tmpArr[kmed]+tmpArr[nfree-kmed-1])/2.;\r
+ if (nfree>0) mean /= nfree;\r
+ //\r
+ double shift = val - (type==AliITSAlignMille2Constraint::kTypeMean ? mean : median);\r
+ //\r
+ for (int ich=nc;ich--;) {\r
+ AliITSAlignMille2Module* child = parent->GetChild(ich);\r
+ // if (!child->IsFreeDOF(ip)) continue; \r
+ child->SetParVal(ip, child->GetParVal(ip) + shift);\r
+ npc++;\r
+ }\r
+ //\r
+ parent->SetParVal(ip, parent->GetParVal(ip) - shift);\r
+ AliInfo(Form("%s constraint: added %f shift to param[%d] of %d children of module %d: %s",\r
+ type==AliITSAlignMille2Constraint::kTypeMean ? "MEAN" : "MEDIAN",shift,\r
+ ip,npc,idm,parent->GetName()));\r
+ }\r
+ delete[] tmpArr; \r
+ //\r
+ //\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::PostConstrainOrphans(Int_t type,Double_t val, UInt_t pattern)\r
+{\r
+ // require that median or mean of modifications for the supermodules which have no parents is = val, i.e.\r
+ // the corrections moves the whole setup by fixed value (0 by default).\r
+ // pattern is the bit pattern for the parameters to constrain\r
+ //\r
+ int nc = fNModules;\r
+ //\r
+ int norph = 0;\r
+ for (int ich=nc;ich--;) if (!GetMilleModule(ich)->GetParent()) norph ++;\r
+ if (!norph) return;\r
+ double *tmpArr = new double[norph]; \r
+ //\r
+ for (int ip=0;ip<kNParCh;ip++) {\r
+ int npc = 0;\r
+ if ( !((pattern>>ip)&0x1)) continue;\r
+ // compute the mean and median of the deltas\r
+ int nfree = 0;\r
+ for (int ich=nc;ich--;) {\r
+ AliITSAlignMille2Module* child = GetMilleModule(ich);\r
+ // if (child->GetParent() || !child->IsFreeDOF(ip)) continue; \r
+ if (child->GetParent()) continue; \r
+ tmpArr[nfree++] = child->GetParVal(ip);\r
+ }\r
+ double median=0,mean=0;\r
+ for (int ic0=0;ic0<nfree;ic0++) {// order the deltas \r
+ mean += tmpArr[ic0];\r
+ for (int ic1=ic0+1;ic1<nfree;ic1++) \r
+ if (tmpArr[ic0]>tmpArr[ic1]) {double tv=tmpArr[ic0]; tmpArr[ic0]=tmpArr[ic1]; tmpArr[ic1]=tv;}\r
+ }\r
+ //\r
+ int kmed = nfree/2;\r
+ median = (tmpArr[kmed]+tmpArr[nfree-kmed-1])/2.;\r
+ if (nfree>0) mean /= nfree;\r
+ //\r
+ double shift = val - (type==AliITSAlignMille2Constraint::kTypeMean ? mean : median);\r
+ //\r
+ for (int ich=nc;ich--;) {\r
+ AliITSAlignMille2Module* child = GetMilleModule(ich);\r
+ // if (child->GetParent() || !child->IsFreeDOF(ip)) continue; \r
+ if (child->GetParent()) continue; \r
+ child->SetParVal(ip, child->GetParVal(ip) + shift);\r
+ npc++;\r
+ }\r
+ //\r
+ AliInfo(Form("%s constraint: added %f shift to param[%d] of %d orphan modules",\r
+ type==AliITSAlignMille2Constraint::kTypeMean ? "MEAN" : "MEDIAN",shift,\r
+ ip,npc));\r
+ }\r
+ delete[] tmpArr; \r
+ //\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Bool_t AliITSAlignMille2::IsParModConstrained(const AliITSAlignMille2Module* mod,Int_t par, Bool_t &meanmed, Bool_t &gaussian) const\r
+{\r
+ // check if par of the module participates in some constraint, and set the flag for their types\r
+ meanmed = gaussian = kFALSE;\r
+ //\r
+ if ( mod->IsParConstrained(par) ) gaussian = kTRUE; // direct constraint on this param\r
+ //\r
+ for (int icstr=GetNConstraints();icstr--;) {\r
+ AliITSAlignMille2Constraint* cstr = GetConstraint(icstr);\r
+ //\r
+ if (!cstr->IncludesModPar(mod,par)) continue;\r
+ if (cstr->GetType()==AliITSAlignMille2ConstrArray::kTypeGaussian) gaussian = kTRUE;\r
+ else meanmed = kTRUE;\r
+ //\r
+ if (meanmed && gaussian) break; // no sense to check further\r
+ }\r
+ //\r
+ return meanmed||gaussian;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Bool_t AliITSAlignMille2::IsParModFamilyVaried(const AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const\r
+{\r
+ // check if parameter par is varied for this module or its children up to the level depth\r
+ if (depth<0) return kFALSE;\r
+ if (mod->GetParOffset(par)>=0) return kTRUE;\r
+ for (int icld=mod->GetNChildren();icld--;) {\r
+ AliITSAlignMille2Module* child = mod->GetChild(icld);\r
+ if (IsParModFamilyVaried(child, par, depth-1)) return kTRUE;\r
+ }\r
+ return kFALSE;\r
+ //\r
+}\r
+\r
+/*\r
+//________________________________________________________________________________________________________\r
+Bool_t AliITSAlignMille2::IsParFamilyFree(AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const\r
+{\r
+ // check if parameter par is varied and is not subjected to gaussian constraint for the children up to the level depth\r
+ if (depth<0) return kTRUE;\r
+ for (int icld=mod->GetNChildren();icld--;) {\r
+ AliITSAlignMille2Module* child = mod->GetChild(icld);\r
+ //if (child->GetParOffset(par)<0) continue; // fixed\r
+ Bool_t cstMM=kFALSE,cstGS=kFALSE;\r
+ // does this child have gaussian constraint ?\r
+ if (!IsParModConstrained(child,par,cstMM,cstGS) || !cstGS ) return kTRUE;\r
+ // check its children\r
+ if (!IsParFamilyFree(child,par,depth-1)) return kTRUE;\r
+ }\r
+ return kFALSE;\r
+ //\r
+}\r
+*/\r
+\r
+//________________________________________________________________________________________________________\r
+Bool_t AliITSAlignMille2::IsParFamilyFree(const AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const\r
+{\r
+ // check if parameter par is varied and is not subjected to gaussian constraint for the children up to the level depth\r
+ if (depth<0) return kFALSE;\r
+ for (int icld=mod->GetNChildren();icld--;) {\r
+ AliITSAlignMille2Module* child = mod->GetChild(icld);\r
+ //if (child->GetParOffset(par)<0) continue; // fixed\r
+ Bool_t cstMM=kFALSE,cstGS=kFALSE;\r
+ // does this child have gaussian constraint ?\r
+ if (!IsParModConstrained(child,par,cstMM,cstGS) || !cstGS ) return kTRUE;\r
+ // check its children\r
+ if (IsParFamilyFree(child,par,depth-1)) return kTRUE;\r
+ }\r
+ return kFALSE;\r
+ //\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Double_t AliITSAlignMille2::GetTDriftSDD() const \r
+{\r
+ // obtain drift time corrected for t0\r
+ double t = fCluster.GetDriftTime();\r
+ return t - fDriftTime0[ fCluster.GetUniqueID() ];\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Double_t AliITSAlignMille2::GetVDriftSDD() const \r
+{\r
+ // obtain corrected drift speed\r
+ return fDriftSpeed[ fCluster.GetUniqueID() ];\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+Bool_t AliITSAlignMille2::FixedOrphans() const\r
+{\r
+ // are there fixed modules with no parent (normally in such a case \r
+ // the constraints on the orphans should not be applied\r
+ if (!IsConfigured()) {\r
+ AliInfo("Still not configured");\r
+ return kFALSE;\r
+ }\r
+ for (int i=0;i<fNModules;i++) {\r
+ AliITSAlignMille2Module* md = GetMilleModule(i);\r
+ if (md->GetParent()==0 && md->GetNParFree()==0) return kTRUE;\r
+ }\r
+ return kFALSE;\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ConvertParamsToGlobal()\r
+{\r
+ // convert params in local frame to global one\r
+ double pars[AliITSAlignMille2Module::kMaxParGeom];\r
+ for (int imd=fNModules;imd--;) {\r
+ AliITSAlignMille2Module* mod = GetMilleModule(imd);\r
+ if (mod->GeomParamsGlobal()) continue;\r
+ mod->GetGeomParamsGlo(pars);\r
+ mod->SetParVals(pars,AliITSAlignMille2Module::kMaxParGeom);\r
+ mod->SetGeomParamsGlobal(kTRUE);\r
+ }\r
+}\r
+\r
+//________________________________________________________________________________________________________\r
+void AliITSAlignMille2::ConvertParamsToLocal()\r
+{\r
+ // convert params in global frame to local one\r
+ double pars[AliITSAlignMille2Module::kMaxParGeom];\r
+ for (int imd=fNModules;imd--;) {\r
+ AliITSAlignMille2Module* mod = GetMilleModule(imd);\r
+ if (!mod->GeomParamsGlobal()) continue;\r
+ mod->GetGeomParamsLoc(pars);\r
+ mod->SetParVals(pars,AliITSAlignMille2Module::kMaxParGeom);\r
+ mod->SetGeomParamsGlobal(kFALSE);\r
+ }\r
+}\r
+\r
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff