//-----------------------------------------------------------------------------
/// \class AliITSAlignMille
-/// Alignment class fro the ALICE ITS detector
+/// 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
#include <TFile.h>
#include <TClonesArray.h>
#include <TGraph.h>
-#include <TGeoMatrix.h>
#include <TMath.h>
#include <TGraphErrors.h>
#include "AliITSAlignMilleModule.h"
#include "AliITSAlignMille.h"
+#include "AliITSAlignMilleData.h"
#include "AliITSgeomTGeo.h"
#include "AliGeomManager.h"
#include "AliMillepede.h"
#include "AliTrackPointArray.h"
#include "AliAlignObjParams.h"
#include "AliLog.h"
-#include "TSystem.h" // come si fa?
+#include <TSystem.h>
+#include "AliTrackFitterRieman.h"
/// \cond CLASSIMP
ClassImp(AliITSAlignMille)
/// \endcond
-Int_t AliITSAlignMille::fgNDetElem = ITSMILLE_NDETELEM;
-Int_t AliITSAlignMille::fgNParCh = ITSMILLE_NPARCH;
+Int_t AliITSAlignMille::fgNDetElem = ITSMILLENDETELEM;
+Int_t AliITSAlignMille::fgNParCh = ITSMILLENPARCH;
AliITSAlignMille::AliITSAlignMille(const Char_t *configFilename, Bool_t initmille)
: TObject(),
fStartFac(16.),
fResCutInitial(100.),
fResCut(100.),
- fNGlobal(ITSMILLE_NDETELEM*ITSMILLE_NPARCH),
- fNLocal(ITSMILLE_NLOCAL),
- fNStdDev(ITSMILLE_NSTDEV),
+ fNGlobal(ITSMILLENDETELEM*ITSMILLENPARCH),
+ fNLocal(4),
+ fNStdDev(ITSMILLENSTDEV),
fIsMilleInit(kFALSE),
fParSigTranslations(0.0100),
fParSigRotations(0.1),
fTrack(NULL),
fCluster(),
fGlobalDerivatives(NULL),
+ fSigmaXfactor(1.0),
+ fSigmaZfactor(1.0),
fTempAlignObj(NULL),
fDerivativeXLoc(0),
fDerivativeZLoc(0),
- fDeltaPar(0),
fMinNPtsPerTrack(3),
fInitTrackParamsMeth(1),
+ fProcessedPoints(NULL),
+ fTotBadLocEqPoints(0),
+ fRieman(NULL),
+ fRequirePoints(kFALSE),
+ fTempExcludedModule(-1),
fGeometryFileName("geometry.root"),
fPreAlignmentFileName(""),
fGeoManager(0),
fUseLocalShifts(kTRUE),
fUseSuperModules(kFALSE),
fUsePreAlignment(kFALSE),
+ fUseSortedTracks(kTRUE),
+ fBOn(kFALSE),
+ fBField(0.0),
fNSuperModules(0),
- fCurrentModuleHMatrix(NULL)
+ fCurrentModuleHMatrix(NULL),
+ fIsConfigured(kFALSE),
+ fBug(0)
{
/// main constructor that takes input from configuration file
fMillepede = new AliMillepede();
fGlobalDerivatives = new Double_t[fNGlobal];
- //fTempHMat = new TGeoHMatrix;
- //fCurrentModuleHMatrix = new TGeoHMatrix;
-
+
+ for (Int_t i=0; i<ITSMILLENDETELEM*2; i++) {
+ fPreAlignQF[i]=-1;
+ fSensVolSigmaXfactor[i]=1.0;
+ fSensVolSigmaZfactor[i]=1.0;
+ }
+
+ 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) {
AliInfo(Form("Error %d loading configuration from %s",lc,configFilename));
}
else {
+ fIsConfigured=kTRUE;
if (initmille && fNGlobal<20000) {
AliInfo(Form("Initializing Millepede with %d gpar, %d lpar and %d stddev ...",fNGlobal, fNLocal, fNStdDev));
Init(fNGlobal, fNLocal, fNStdDev);
}
}
- fDeltaPar=0.0; // not used at the moment - to be checked later...
-
+ if (fNModules) {
+ fProcessedPoints=new Int_t[fNModules];
+ for (Int_t ipp=0; ipp<fNModules; ipp++) fProcessedPoints[ipp]=0;
+ }
}
AliITSAlignMille::~AliITSAlignMille() {
/// Destructor
if (fMillepede) delete fMillepede;
delete [] fGlobalDerivatives;
- //delete fCurrentModuleHMatrix;
- //delete fTempHMat;
for (int i=0; i<fNModules; i++) delete fMilleModule[i];
for (int i=0; i<fNSuperModules; i++) delete fSuperModule[i];
+ if (fNModules) delete [] fProcessedPoints;
+ if (fRieman) delete fRieman;
}
///////////////////////////////////////////////////////////////////////
-
Int_t AliITSAlignMille::LoadConfig(const Char_t *cfile) {
/// return 0 if success
/// 1 if error in module index or voluid
Char_t st[200],st2[200];
Char_t tmp[100];
Int_t idx,itx,ity,itz,ith,ips,iph;
- Float_t f1;
+ Float_t f1,f2;
UShort_t voluid;
Int_t nmod=0;
}
if (strstr(st,"GEOMETRY_FILE")) {
- sscanf(st,"%s %s",tmp,st2);
+ tmp[0] = '\0';
+ st2[0] = '\0';
+ sscanf(st,"%99s %199s",tmp,st2);
if (gSystem->AccessPathName(st2)) {
AliInfo("*** WARNING! *** geometry file not found! ");
+ fclose(pfc);
return -1;
}
fGeometryFileName=st2;
}
if (strstr(st,"PREALIGNMENT_FILE")) {
- sscanf(st,"%s %s",tmp,st2);
+ tmp[0] = '\0';
+ st2[0] = '\0';
+ sscanf(st,"%99s %199s",tmp,st2);
if (gSystem->AccessPathName(st2)) {
AliInfo("*** WARNING! *** prealignment file not found! ");
+ fclose(pfc);
return -1;
}
fPreAlignmentFileName=st2;
itx=ApplyToGeometry();
if (itx) {
AliInfo(Form("*** WARNING! *** error %d reading prealignment file! ",itx));
+ fclose(pfc);
return -6;
}
}
if (strstr(st,"SUPERMODULE_FILE")) {
- sscanf(st,"%s %s",tmp,st2);
+ tmp[0] = '\0';
+ st2[0] = '\0';
+ sscanf(st,"%99s %199s",tmp,st2);
if (gSystem->AccessPathName(st2)) {
AliInfo("*** WARNING! *** supermodule file not found! ");
+ fclose(pfc);
return -1;
}
- if (LoadSuperModuleFile(st2)) return -1;
+ if (LoadSuperModuleFile(st2)) {fclose(pfc); return -1;}
+ }
+
+ if (strstr(st,"SET_B_FIELD")) {
+ tmp[0] = '\0';
+ sscanf(st,"%99s %f",tmp,&f1);
+ if (f1>0) {
+ fBField = f1;
+ fBOn = kTRUE;
+ fNLocal = 5; // helices
+ fRieman = new AliTrackFitterRieman();
+ }
+ else {
+ fBField = 0.0;
+ fBOn = kFALSE;
+ fNLocal = 4;
+ }
}
if (strstr(st,"SET_PARSIG_TRA")) {
- sscanf(st,"%s %f",tmp,&f1);
+ tmp[0] = '\0';
+ sscanf(st,"%99s %f",tmp,&f1);
fParSigTranslations=f1;
}
if (strstr(st,"SET_PARSIG_ROT")) {
- sscanf(st,"%s %f",tmp,&f1);
+ tmp[0] = '\0';
+ sscanf(st,"%99s %f",tmp,&f1);
fParSigRotations=f1;
}
if (strstr(st,"SET_NSTDDEV")) {
- sscanf(st,"%s %d",tmp,&idx);
+ tmp[0] = '\0';
+ sscanf(st,"%99s %d",tmp,&idx);
fNStdDev=idx;
}
if (strstr(st,"SET_RESCUT_INIT")) {
- sscanf(st,"%s %f",tmp,&f1);
+ tmp[0] = '\0';
+ sscanf(st,"%99s %f",tmp,&f1);
fResCutInitial=f1;
}
if (strstr(st,"SET_RESCUT_OTHER")) {
- sscanf(st,"%s %f",tmp,&f1);
+ tmp[0] = '\0';
+ sscanf(st,"%99s %f",tmp,&f1);
fResCut=f1;
}
+ if (strstr(st,"SET_LOCALSIGMAFACTOR")) {
+ tmp[0] = '\0';
+ sscanf(st,"%99s %f %f",tmp,&f1,&f2);
+ if (f1>0 && f2>0) {
+ fSigmaXfactor=f1;
+ fSigmaZfactor=f2;
+ }
+ }
+
if (strstr(st,"SET_STARTFAC")) {
- sscanf(st,"%s %f",tmp,&f1);
+ tmp[0] = '\0';
+ sscanf(st,"%99s %f",tmp,&f1);
fStartFac=f1;
}
+ if (strstr(st,"REQUIRE_POINT")) {
+ // 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
+ tmp[0] = '\0';
+ st2[0] = '\0';
+ sscanf(st,"%99s %199s %d %d %d",tmp,st2,&itx,&ity,&itz);
+ itx--;
+ if (strstr(st2,"LAYER")) {
+ if (itx<0 || itx>5) {fclose(pfc); return -7;}
+ if (ity>0) fNReqLayUp[itx]=itz;
+ else if (ity<0) fNReqLayDown[itx]=itz;
+ else fNReqLay[itx]=itz;
+ fRequirePoints=kTRUE;
+ }
+ else if (strstr(st2,"DETECTOR")) { // DETECTOR
+ if (itx<0 || itx>2) {fclose(pfc); return -7;}
+ if (ity>0) fNReqDetUp[itx]=itz;
+ else if (ity<0) fNReqDetDown[itx]=itz;
+ else fNReqDet[itx]=itz;
+ fRequirePoints=kTRUE;
+ }
+ }
+
+
if (strstr(st,"SET_LOCAL_SHIFTS")) { // only enabled mode...
fUseLocalShifts = kTRUE;
}
if (strstr(st,"MODULE_INDEX")) { // works only for sensitive modules
- sscanf(st,"%s %d %d %d %d %d %d %d",tmp,&idx,&itx,&ity,&itz,&iph,&ith,&ips);
+ f1=0; f2=0;
+ tmp[0] = '\0';
+ sscanf(st,"%99s %d %d %d %d %d %d %d %f %f",tmp,&idx,&itx,&ity,&itz,&iph,&ith,&ips,&f1,&f2);
+ if (idx<0 || idx>2197) {fclose(pfc); return 1;} // bad index
voluid=GetModuleVolumeID(idx);
- if (!voluid || voluid>14300) return 1; // bad index
+ if (!voluid || voluid>14300) {fclose(pfc); return 1;} // bad index
fModuleIndex[nmod]=idx;
fModuleVolumeID[nmod]=voluid;
fFreeParam[nmod][0]=itx;
fFreeParam[nmod][4]=ith;
fFreeParam[nmod][5]=ips;
fMilleModule[nmod] = new AliITSAlignMilleModule(voluid);
+ if (f1>0) fSensVolSigmaXfactor[idx]=f1;
+ if (f2>0) fSensVolSigmaZfactor[idx]=f2;
nmod++;
}
if (strstr(st,"MODULE_VOLUID")) {
- sscanf(st,"%s %d %d %d %d %d %d %d",tmp,&idx,&itx,&ity,&itz,&iph,&ith,&ips);
+ f1=0; f2=0;
+ tmp[0] = '\0';
+ sscanf(st,"%99s %d %d %d %d %d %d %d %f %f",tmp,&idx,&itx,&ity,&itz,&iph,&ith,&ips,&f1,&f2);
voluid=UShort_t(idx);
if (voluid>14335 && fUseSuperModules) { // custom supermodule
int ism=-1;
for (int j=0; j<fNSuperModules; j++) {
if (voluid==fSuperModule[j]->GetVolumeID()) ism=j;
}
- if (ism<0) return -1; // bad volid
+ if (ism<0) {fclose(pfc); return -1;} // bad volid
fModuleIndex[nmod]=fSuperModule[ism]->GetIndex();
fModuleVolumeID[nmod]=voluid;
fFreeParam[nmod][0]=itx;
fFreeParam[nmod][4]=ith;
fFreeParam[nmod][5]=ips;
fMilleModule[nmod] = new AliITSAlignMilleModule(*fSuperModule[ism]);
- nmod++;
+ if (f1>0) {
+ for (int kk=0; kk<fMilleModule[nmod]->GetNSensitiveVolumes(); kk++) {
+ idx=AliITSAlignMilleModule::GetIndexFromVolumeID(fMilleModule[nmod]->GetSensitiveVolumeVolumeID()[kk]);
+ if (idx>=0) fSensVolSigmaXfactor[idx]=f1;
+ }
+ }
+ if (f2>0) {
+ for (int kk=0; kk<fMilleModule[nmod]->GetNSensitiveVolumes(); kk++) {
+ idx=AliITSAlignMilleModule::GetIndexFromVolumeID(fMilleModule[nmod]->GetSensitiveVolumeVolumeID()[kk]);
+ if (idx>=0) fSensVolSigmaZfactor[idx]=f2;
+ }
+ } nmod++;
}
else { // sensitive volume
idx=GetModuleIndex(voluid);
- if (idx<0 || idx>2197) return 1; // bad index
+ if (idx<0 || idx>2197) {fclose(pfc); return 1;} // bad index
fModuleIndex[nmod]=idx;
fModuleVolumeID[nmod]=voluid;
fFreeParam[nmod][0]=itx;
fFreeParam[nmod][4]=ith;
fFreeParam[nmod][5]=ips;
fMilleModule[nmod] = new AliITSAlignMilleModule(voluid);
+ if (f1>0) fSensVolSigmaXfactor[idx]=f1;
+ if (f2>0) fSensVolSigmaZfactor[idx]=f2;
nmod++;
}
}
return 0;
}
+void AliITSAlignMille::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 AliITSAlignMille::GetModuleIndex(const Char_t *symname) {
/// index from symname
if (!symname) return -1;
return;
}
// temporary align object, just use the rotation...
- //fTempAlignObj=new AliAlignObjParams(AliITSgeomTGeo::GetSymName(7),2055,0,0,0,0,0,0,kFALSE);
fTempAlignObj=new AliAlignObjParams;
}
/// Fix non free parameters
for (Int_t i=0; i<fNModules; i++) {
- for (Int_t j=0; j<ITSMILLE_NPARCH; j++) {
- if (!fFreeParam[i][j]) FixParameter(i*ITSMILLE_NPARCH+j,0.0);
+ for (Int_t j=0; j<ITSMILLENPARCH; j++) {
+ if (!fFreeParam[i][j]) FixParameter(i*ITSMILLENPARCH+j,0.0);
else {
- // pepopepo: da sistemare il settaggio delle sigma...
+ // pepopepo: da verificare il settaggio delle sigma, ma forse va bene...
Double_t parsig=0;
if (j<3) parsig=fParSigTranslations; // translations (0.0100 cm)
else parsig=fParSigRotations; // rotations (1/10 deg)
- FixParameter(i*ITSMILLE_NPARCH+j,parsig);
+ FixParameter(i*ITSMILLENPARCH+j,parsig);
}
}
}
}
}
+// newpep
Int_t AliITSAlignMille::ApplyToGeometry() {
/// apply starting realignment to ideal geometry
- if (!fGeoManager) return -1;
+ if(!AliGeomManager::GetGeometry()) return -1;
+
TFile *pref = new TFile(fPreAlignmentFileName.Data());
if (!pref->IsOpen()) return -2;
TClonesArray *prea=(TClonesArray*)pref->Get("ITSAlignObjs");
Int_t nprea=prea->GetEntriesFast();
AliInfo(Form("Array of input misalignments with %d entries",nprea));
+ AliGeomManager::ApplyAlignObjsToGeom(*prea); // apply all levels of objs
+
+ // set prealignment factor if defined...
for (int ix=0; ix<nprea; ix++) {
AliAlignObjParams *preo=(AliAlignObjParams*) prea->UncheckedAt(ix);
- if (!preo->ApplyToGeometry()) return -4;
+ Int_t index=AliITSAlignMilleModule::GetIndexFromVolumeID(preo->GetVolUID());
+ if (index>=0) {
+ fPreAlignQF[index] = (int) preo->GetUniqueID();
+ //printf("index=%d QF=%d\n",index,preo->GetUniqueID());
+ }
+ //if (!preo->ApplyToGeometry()) return -4;
}
pref->Close();
delete pref;
fUsePreAlignment = kTRUE;
return 0;
}
+// endnewpep
+
+Int_t AliITSAlignMille::GetPreAlignmentQualityFactor(Int_t index) const {
+ /// works for sensitive volumes
+ if (!fUsePreAlignment || index<0 || index>2197) return -1;
+ return fPreAlignQF[index];
+}
+
+AliTrackPointArray *AliITSAlignMille::PrepareTrack(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
+
+ 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] = IsContained(atp->GetVolumeID()[j]);
+ if (intidx[j]>=0) ngoodpts++;
+ }
+ AliDebug(3,Form("Number of points in defined modules: %d",ngoodpts));
+
+ // reject track if not enough points are left
+ if (ngoodpts<fMinNPtsPerTrack) {
+ AliInfo("Track with not enough points!");
+ return NULL;
+ }
+
+ 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=new AliTrackPointArray(ngoodpts);
+
+ for (int i=0; i<npts; i++) idx[i]=i;
+ // sort track if required
+ if (fUseSortedTracks) 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
+ TGeoHMatrix *svOrigMatrix = fMilleModule[intidx[idx[i]]]->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();
+ 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]));
+
+ // 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
+ hcov.Multiply(svOrigMatrix);
+ hcov.MultiplyLeft(&svOrigMatrix->Inverse());
+ // now hcov is LOCAL COVARIANCE MATRIX
+
+
+ // pepopepo
+ if (fBug==1) {
+ // correzione bug LAYER 5 SSD temporanea..
+ int ssdidx=AliITSAlignMilleModule::GetIndexFromVolumeID(p.GetVolumeID());
+ if (ssdidx>=500 && ssdidx<1248) {
+ int ladder=(ssdidx-500)%22;
+ if (ladder==18) p.SetVolumeID(AliITSAlignMilleModule::GetVolumeIDFromIndex(ssdidx+1));
+ if (ladder==19) p.SetVolumeID(AliITSAlignMilleModule::GetVolumeIDFromIndex(ssdidx-1));
+ }
+ }
+
+ /// get (evenctually prealigned) matrix of sens. vol.
+ TGeoHMatrix *svMatrix = fMilleModule[intidx[idx[i]]]->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
+ Float_t pcov[6];
+ pcov[0]=hcov.GetRotationMatrix()[0];
+ pcov[1]=hcov.GetRotationMatrix()[1];
+ pcov[2]=hcov.GetRotationMatrix()[2];
+ pcov[3]=hcov.GetRotationMatrix()[4];
+ pcov[4]=hcov.GetRotationMatrix()[5];
+ pcov[5]=hcov.GetRotationMatrix()[8];
+
+ p.SetXYZ(pg[0],pg[1],pg[2],pcov);
+ 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] ));
+
+ npto++;
+ }
+
+ return atps;
+}
+
+
+
+AliTrackPointArray *AliITSAlignMille::SortTrack(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 AliITSAlignMille::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 ***
///
- /// Num of Dets: ITSMILLE_NDETELEM = fgNDetElem
- /// Num of Par : ITSMILLE_NPARCH = fgNParCh
/// return 0 if success
if (!fGeoManager) {
// set the internal index (index in module list)
UShort_t voluid=fCluster.GetVolumeID();
Int_t k=fNModules-1;
- while (k>=0 && !(fMilleModule[k]->IsIn(voluid)) ) k--; // new
+ while (k>=0 && !(fMilleModule[k]->IsIn(voluid)) ) k--;
if (k<0) return -3;
fCurrentModuleInternalIndex=k; // the internal index of the SUPERMODULE
fModuleInitParam[3] = 0.0; // psi (X)
fModuleInitParam[4] = 0.0; // theta (Y)
fModuleInitParam[5] = 0.0; // phi (Z)
-
- /// get global (corrected) matrix
- // if (!AliITSgeomTGeo::GetOrigMatrix(index,*fCurrentModuleHMatrix)) return -3;
-// Double_t rott[9];
-// if (!AliITSgeomTGeo::GetRotation(index,rott)) return -3;
-// fCurrentModuleHMatrix->SetRotation(rott);
-// Double_t oLoc[3]={0,0,0};
-// if (!AliITSgeomTGeo::LocalToGlobal(index,oLoc,fCurrentModuleTranslation)) return -4;
-// fCurrentModuleHMatrix->SetTranslation(fCurrentModuleTranslation);
-// new
fCurrentModuleHMatrix = fMilleModule[fCurrentModuleInternalIndex]->GetMatrix();
for (int ii=0; ii<3; ii++)
fCurrentModuleTranslation[ii]=fCurrentModuleHMatrix->GetTranslation()[ii];
- TGeoHMatrix *svOrigMatrix = fMilleModule[fCurrentModuleInternalIndex]->GetSensitiveVolumeOrigGlobalMatrix(voluid);
-
- /// get back local coordinates
+ /// get (evenctually prealigned) matrix of sens. vol.
+ TGeoHMatrix *svMatrix = fMilleModule[fCurrentModuleInternalIndex]->GetSensitiveVolumeMatrix(voluid);
+
fMeasGlo[0] = fCluster.GetX();
fMeasGlo[1] = fCluster.GetY();
- fMeasGlo[2] = fCluster.GetZ();
- svOrigMatrix->MasterToLocal(fMeasGlo,fMeasLoc);
- //svMatrix->MasterToLocal(fMeasGlo,fMeasLoc);
+ 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] ));
-
- TGeoHMatrix *svMatrix = fMilleModule[fCurrentModuleInternalIndex]->GetSensitiveVolumeMatrix(voluid);
- // modify global coordinates according with pre-aligment
- svMatrix->LocalToMaster(fMeasLoc,fMeasGlo);
- fCluster.SetXYZ(fMeasGlo[0],fMeasGlo[1] ,fMeasGlo[2]);
- AliDebug(2,Form("New global coordinates of measured point : X=%f Y=%f Z=%f \n",fMeasGlo[0] ,fMeasGlo[1] ,fMeasGlo[2] ));
-
- // mettere il new GetLocalSigma...
// 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()[3]);
+ hcovel[2]=double(fCluster.GetCov()[2]);
hcovel[3]=double(fCluster.GetCov()[1]);
- hcovel[4]=double(fCluster.GetCov()[2]);
+ hcovel[4]=double(fCluster.GetCov()[3]);
hcovel[5]=double(fCluster.GetCov()[4]);
- hcovel[6]=double(fCluster.GetCov()[3]);
+ 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.MultiplyLeft(&svMatrix->Inverse());
hcov.Multiply(svMatrix);
+ hcov.MultiplyLeft(&svMatrix->Inverse());
- // per i ruotati c'e' delle sigmaY che compaiono... prob
- // e' un problema di troncamento
+ // set local sigmas
fSigmaLoc[0] = TMath::Sqrt(TMath::Abs(hcov.GetRotationMatrix()[0]));
fSigmaLoc[1] = TMath::Sqrt(TMath::Abs(hcov.GetRotationMatrix()[4]));
fSigmaLoc[2] = TMath::Sqrt(TMath::Abs(hcov.GetRotationMatrix()[8]));
- // set minimum value for SigmaLoc to 10 micron
+ // 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;
- AliDebug(2,Form("Setting StDev from CovMat : fSigmaLocX=%f fSigmaLocY=%f fSigmaLocZ=%f \n",fSigmaLoc[0] ,fSigmaLoc[1] ,fSigmaLoc[2] ));
+ // multiply local sigmas by global factor
+ fSigmaLoc[0] *= fSigmaXfactor;
+ fSigmaLoc[2] *= fSigmaZfactor;
+
+ // multiply local sigmas by individual factor
+ fSigmaLoc[0] *= fSensVolSigmaXfactor[index];
+ fSigmaLoc[2] *= fSensVolSigmaZfactor[index];
+
+ AliDebug(2,Form("Setting StDev from CovMat : fSigmaLocX=%g fSigmaLocY=%g fSigmaLocZ=%g \n",fSigmaLoc[0] ,fSigmaLoc[1] ,fSigmaLoc[2] ));
return 0;
}
return;
}
UShort_t voluid=GetModuleVolumeID(index);
- //Int_t k=IsDefined(voluid);
Int_t k=IsContained(voluid);
if (k>=0){
- //if (voluid<14336)
fCluster.SetVolumeID(voluid);
- //else {
- //fCluster.SetVolumeID(fMilleModule[k]->GetSensitiveVolumeVolumeID()[0]);
- //printf("current module is a supermodule: fCluster set to first sensitive volume of the supermodule\n");
- //}
fCluster.SetXYZ(0,0,0);
InitModuleParams();
}
else
- printf("module %d not defined\n",index);
+ AliInfo(Form("module %d not defined\n",index));
}
void AliITSAlignMille::SetCurrentSensitiveModule(Int_t index) {
}
UShort_t voluid=AliITSAlignMilleModule::GetVolumeIDFromIndex(index);
Int_t k=IsDefined(voluid);
- //printf("---> voluid=%d k=%d\n",voluid,k);
if (k>=0){
fCluster.SetVolumeID(voluid);
fCluster.SetXYZ(0,0,0);
InitModuleParams();
}
else
- printf("module %d not defined\n",index);
+ AliInfo(Form("module %d not defined\n",index));
}
void AliITSAlignMille::Print(Option_t*) const
{
- ///
+ /// print infos
printf("*** AliMillepede for ITS ***\n");
printf(" number of defined super modules: %d\n",fNModules);
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 (fUseLocalShifts)
printf(" Alignment shifts will be computed in LOCAL RS\n");
else
printf(" Alignment shifts will be computed in GLOBAL RS\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(" Millepede configuration parameters:\n");
- printf(" init parsig for translations : %.4f\n",fParSigTranslations);
- printf(" init parsig for rotations : %.4f\n",fParSigRotations);
- 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("\n Millepede configuration parameters:\n");
+ printf(" init parsig for translations : %.4f\n",fParSigTranslations);
+ printf(" init parsig for rotations : %.4f\n",fParSigRotations);
+ 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(" mult. fact. for local sigmas : %.4f %.4f\n",fSigmaXfactor, fSigmaZfactor);
printf("List of defined modules:\n");
printf(" intidx\tindex\tvoluid\tname\n");
return fMilleModule[i];
}
-AliITSAlignMilleModule *AliITSAlignMille::GetCurrentModule()
+AliITSAlignMilleModule *AliITSAlignMille::GetCurrentModule() const
{
if (fNModules) return fMilleModule[fCurrentModuleInternalIndex];
return NULL;
fMilleModule[k]->Print("");
}
+Bool_t AliITSAlignMille::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 AliITSAlignMille::InitTrackParams(int meth) {
/// initialize local parameters with different methods
// test #1: linear fit in x(y) and z(y)
npts = fTrack->GetNPoints();
+ AliDebug(3,Form("*** initializing track with %d points ***",npts));
f1=new TF1("f1","[0]+x*[1]",-50,50);
// test #1: linear fit in x(y) and z(y)
npts = fTrack->GetNPoints();
+ AliDebug(3,Form("*** initializing track with %d points ***",npts));
+
for (Int_t isig=0; isig<npts; isig++) {
fTrack->GetPoint(ap,isig);
sigmax[isig]=ap.GetCov()[0];
if (sigmax[isig]<1.0e-07) sigmax[isig]=1.0e-07; // minimum sigma=3 mu
sigmax[isig]=TMath::Sqrt(sigmax[isig]);
- sigmay[isig]=ap.GetCov()[2];
+ sigmay[isig]=ap.GetCov()[3];
if (sigmay[isig]<1.0e-07) sigmay[isig]=1.0e-07; // minimum sigma=3 mu
sigmay[isig]=TMath::Sqrt(sigmay[isig]);
sigmaz[isig]=ap.GetCov()[5];
if (sigmaz[isig]<1.0e-07) sigmaz[isig]=1.0e-07; // minimum sigma=3 mu
sigmaz[isig]=TMath::Sqrt(sigmaz[isig]);
+
+ if (fTempExcludedModule>=0 && fTempExcludedModule==AliITSAlignMilleModule::GetIndexFromVolumeID(ap.GetVolumeID())) {
+ sigmax[isig] *= 1000.;
+ sigmay[isig] *= 1000.;
+ sigmaz[isig] *= 1000.;
+ fTempExcludedModule=-1;
+ }
}
f1=new TF1("f1","[0]+x*[1]",-50,50);
ngoodpts++;
}
}
- // pepo da controllare...
+
if (ngoodpts<fMinNPtsPerTrack) return 0;
return ngoodpts;
}
Int_t npts = track->GetNPoints();
- AliDebug(2,Form("\n*** Processing track with %d points ***\n",npts));
- fTrack = track;
-
- // checks if there are enough good points
- if (!CheckCurrentTrack()) {
- AliInfo("Track with not enough good points - will not be used...");
- return -1;
- }
+ AliDebug(2,Form("*** Input track with %d points ***",npts));
- // 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);
+ // 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();
+ 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...");
+ delete fTrack;
+ fTrack=NULL;
+ return -5;
+ }
+ }
+
+ Int_t nloceq=0;
+ AliITSAlignMilleData *md = new AliITSAlignMilleData[npts];
+
for (Int_t ipt=0; ipt<npts; ipt++) {
fTrack->GetPoint(fCluster,ipt);
- if (!CheckVolumeID(fCluster.GetVolumeID())) continue;
- AliDebug(2,Form(" Original Point = ( %f , %f , %f ) volid=%d\n",fCluster.GetX(),fCluster.GetY(),fCluster.GetZ(),fCluster.GetVolumeID()));
+ AliDebug(2,Form("\n--- processing point %d --- \n",ipt));
// set geometry parameters for the the current module
- AliDebug(2,Form("\n--- processing point %d --- \n",ipt));
if (InitModuleParams()) continue;
-
AliDebug(2,Form(" VolID=%d Index=%d InternalIdx=%d symname=%s\n", track->GetVolumeID()[ipt], fCurrentModuleIndex ,fCurrentModuleInternalIndex, AliGeomManager::SymName(track->GetVolumeID()[ipt]) ));
- AliDebug(2,Form(" Preprocessed Point = ( %f , %f , %f ) \n",fCluster.GetX(),fCluster.GetY(),fCluster.GetZ()));
+ AliDebug(2,Form(" Preprocessed Point = ( %f , %f , %f ) \n",fCluster.GetX(),fCluster.GetY(),fCluster.GetZ()));
+
+ if (!AddLocalEquation(md[nloceq])) {
+ nloceq++;
+ fProcessedPoints[fCurrentModuleInternalIndex]++;
+ }
+ else {
+ fTotBadLocEqPoints++;
+ }
- if (SetLocalEquations()) return -1;
-
} // end loop over points
+ delete fTrack;
+ fTrack=NULL;
+
+ // not enough good points!
+ if (nloceq<fMinNPtsPerTrack) {
+ delete [] md;
+ return -1;
+ }
+
+ // finally send local equations to millepede
+ SetLocalEquations(md,nloceq);
+
+ delete [] md;
+
return 0;
}
Int_t AliITSAlignMille::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))
+ /// calculate intersection point of track with current module in local coordinates
+ /// according with a given set of parameters (local(4/5) and global(6))
/// and fill fPintLoc/Glo
- /// local are: pgx0, pgz0, ugx0, ugz0
+ /// 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 \ngpar= %g %g %g %g %g %g\n",lpar[0],lpar[1],lpar[2],lpar[3],gpar[0],gpar[1],gpar[2],gpar[3],gpar[4],gpar[5]));
-
- // vector of initial straight line direction in glob. coord
- // ATTENZIONE: forse va rinormalizzato tutto...
- Double_t v0g[3];
- //Double_t
- v0g[0]=lpar[2];
- v0g[1]=1.0;
- v0g[2]=lpar[3];
-
- // intercept in yg=0 plane in glob coord
- Double_t p0g[3];
- p0g[0]=lpar[0];
- p0g[1]=0.0;
- p0g[2]=lpar[1];
+ 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
-// Double_t tr[3],ang[3];
-// //Double_t rad2deg=180./TMath::Pi();
-// if (fUseLocalShifts) { // just Delta matrix
-// tr[0]=gpar[0];
-// tr[1]=gpar[1];
-// tr[2]=gpar[2];
-// ang[0]=gpar[3]; // psi (X)
-// ang[1]=gpar[4]; // theta (Y)
-// ang[2]=gpar[5]; // phi (Z)
-// }
-// else { // total matrix with shifted parameter
-// AliInfo("global shifts not implemented yet!");
-// return -1;
-// }
-
-// //printf("fTempRot = 0x%x - ang = %g %g %g \n",fTempRot,gpar[5]*rad2deg,gpar[3]*rad2deg,gpar[4]*rad2deg);
-
-// fTempAlignObj->SetRotation(ang[0],ang[1],ang[2]);
-// AliDebug(3,Form("Delta angles: psi=%f theta=%f phi=%f",ang[0],ang[1],ang[2]));
-// TGeoHMatrix hm;
-// fTempAlignObj->GetMatrix(hm);
-// fTempHMat->SetRotation(hm.GetRotationMatrix());
-// fTempHMat->SetTranslation(tr);
-// // in this case the gpar[] array contains only shifts
-// // and fInitModuleParam[] are set to 0
-// // fCurrentModuleHMatrix is then modified as fCurrentHM*fTempHM
-// if (fUseLocalShifts)
-// fTempHMat->MultiplyLeft(fCurrentModuleHMatrix);
+ // prepare the TGeoHMatrix
TGeoHMatrix *fTempHMat = fMilleModule[fCurrentModuleInternalIndex]->GetSensitiveVolumeModifiedMatrix(fCluster.GetVolumeID(),gpar);
if (!fTempHMat) 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];
fTempHMat->MasterToLocalVect(v0g,v0l);
fTempHMat->MasterToLocal(p0g,p0l);
-
+
if (TMath::Abs(v0l[1])<1e-15) {
AliInfo("Track Y direction in local frame is zero! Cannot proceed...");
return -1;
// global intersection point
fTempHMat->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 AliITSAlignMille::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
+ /// 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[ITSMILLE_NLOCAL];
- Double_t gpar[ITSMILLE_NPARCH];
- for (Int_t i=0; i<ITSMILLE_NLOCAL; i++) lpar[i]=fLocalInitParam[i];
- for (Int_t i=0; i<ITSMILLE_NPARCH; i++) gpar[i]=fModuleInitParam[i];
+ Double_t lpar[ITSMILLENLOCAL];
+ Double_t gpar[ITSMILLENPARCH];
+ for (Int_t i=0; i<ITSMILLENLOCAL; i++) lpar[i]=fLocalInitParam[i];
+ for (Int_t i=0; i<ITSMILLENPARCH; i++) gpar[i]=fModuleInitParam[i];
- // pepopepo
// trial with fixed dpar...
Double_t dpar=0.0;
- if (islpar) {
+
+ if (islpar) { // track parameters
//dpar=fLocalInitParam[paridx]*0.001;
// set minimum dpar
- if (paridx<2) dpar=1.0e-4; // translations
- else dpar=1.0e-6; // direction
+ if (!fBOn) {
+ if (paridx<2) 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 {
+ else { // alignment global parameters
//dpar=fModuleInitParam[paridx]*0.001;
if (paridx<3) dpar=1.0e-4; // translations
else dpar=1.0e-2; // angles
}
- AliDebug(3,Form("\n+++ automatic dpar=%g\n",dpar));
- if (fDeltaPar) dpar=fDeltaPar;
- AliDebug(3,Form("+++ using dpar=%g\n\n",dpar));
+
+ 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)...
return 0;
}
-Int_t AliITSAlignMille::SetLocalEquations() {
- /// Define local equation for current track and cluster in x coor.
+
+Int_t AliITSAlignMille::AddLocalEquation(AliITSAlignMilleData &m) {
+ /// Define local equation for current cluster in X and Z coor.
+ /// and store them to memory
/// return 0 if success
// store first interaction point
- CalcIntersectionPoint(fLocalInitParam, fModuleInitParam);
+ if (CalcIntersectionPoint(fLocalInitParam, fModuleInitParam)) return -4;
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
- Double_t dXdL[ITSMILLE_NLOCAL],dZdL[ITSMILLE_NLOCAL];
- for (Int_t i=0; i<ITSMILLE_NLOCAL; i++) {
+ Double_t dXdL[ITSMILLENLOCAL],dZdL[ITSMILLENLOCAL];
+ for (Int_t i=0; i<fNLocal; i++) {
if (CalcDerivatives(i,kTRUE)) return -1;
dXdL[i]=fDerivativeXLoc;
dZdL[i]=fDerivativeZLoc;
}
- Double_t dXdG[ITSMILLE_NPARCH],dZdG[ITSMILLE_NPARCH];
- for (Int_t i=0; i<ITSMILLE_NPARCH; i++) {
+ Double_t dXdG[ITSMILLENPARCH],dZdG[ITSMILLENPARCH];
+ for (Int_t i=0; i<ITSMILLENPARCH; i++) {
if (CalcDerivatives(i,kFALSE)) return -1;
dXdG[i]=fDerivativeXLoc;
dZdG[i]=fDerivativeZLoc;
}
AliDebug(2,Form("\n***************\n"));
- for (Int_t i=0; i<ITSMILLE_NLOCAL; i++)
+ for (Int_t i=0; i<fNLocal; i++)
AliDebug(2,Form("Local parameter %d - dXdpar = %g - dZdpar = %g\n",i,dXdL[i],dZdL[i]));
- for (Int_t i=0; i<ITSMILLE_NPARCH; i++)
+ for (Int_t i=0; i<ITSMILLENPARCH; i++)
AliDebug(2,Form("Global parameter %d - dXdpar = %g - dZdpar = %g\n",i,dXdG[i],dZdG[i]));
AliDebug(2,Form("\n***************\n"));
-
- AliDebug(2,Form("setting local equation X with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[0]-fPintLoc0[0]), fSigmaLoc[0]));
+ // check if at least 1 local and 1 global derivs. are not null
+ Double_t nonzero=0.0;
+ for (Int_t i=0; i<fNLocal; i++) nonzero += TMath::Abs(dXdL[i]);
+ if (nonzero==0.0) {
+ AliInfo("Aborting local equations for this point beacuse of zero local X derivatives!");
+ return -2;
+ }
+ nonzero=0.0;
+ for (Int_t i=0; i<ITSMILLENPARCH; i++) nonzero += TMath::Abs(dXdG[i]);
+ if (nonzero==0.0) {
+ AliInfo("Aborting local equations for this point beacuse of zero global X derivatives!");
+ return -2;
+ }
+ nonzero=0.0;
+ for (Int_t i=0; i<fNLocal; i++) nonzero += TMath::Abs(dZdL[i]);
+ if (nonzero==0.0) {
+ AliInfo("Aborting local equations for this point beacuse of zero local Z derivatives!");
+ return -2;
+ }
+ nonzero=0.0;
+ for (Int_t i=0; i<ITSMILLENPARCH; i++) nonzero += TMath::Abs(dZdG[i]);
+ if (nonzero==0.0) {
+ AliInfo("Aborting local equations for this point beacuse of zero global Z derivatives!");
+ return -2;
+ }
+
+ // ok, can copy to m
+
+ AliDebug(2,Form("Adding local equation X with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[0]-fPintLoc0[0]), fSigmaLoc[0]));
// set equation for Xloc coordinate
- for (Int_t i=0; i<ITSMILLE_NLOCAL; i++)
- SetLocalDerivative(i,dXdL[i]);
- for (Int_t i=0; i<ITSMILLE_NPARCH; i++)
- SetGlobalDerivative(fCurrentModuleInternalIndex*ITSMILLE_NPARCH+i,dXdG[i]);
- fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, (fMeasLoc[0]-fPintLoc0[0]), fSigmaLoc[0]);
+ for (Int_t i=0; i<fNLocal; i++) {
+ m.GetIdxlocX()[i]=i;
+ m.GetDerlocX()[i]=dXdL[i];
+ }
+ for (Int_t i=0; i<ITSMILLENPARCH; i++) {
+ m.GetIdxgloX()[i]=fCurrentModuleInternalIndex*ITSMILLENPARCH+i;
+ m.GetDergloX()[i]=dXdG[i];
+ }
+ m.SetMeasX(fMeasLoc[0]-fPintLoc0[0]);
+ m.SetSigmaX(fSigmaLoc[0]);
-
- AliDebug(2,Form("setting local equation Z with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[2]-fPintLoc0[2]), fSigmaLoc[2]));
+ AliDebug(2,Form("Adding local equation Z with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[2]-fPintLoc0[2]), fSigmaLoc[2]));
// set equation for Zloc coordinate
- for (Int_t i=0; i<ITSMILLE_NLOCAL; i++)
- SetLocalDerivative(i,dZdL[i]);
- for (Int_t i=0; i<ITSMILLE_NPARCH; i++)
- SetGlobalDerivative(fCurrentModuleInternalIndex*ITSMILLE_NPARCH+i,dZdG[i]);
- fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, (fMeasLoc[2]-fPintLoc0[2]), fSigmaLoc[2]);
-
+ for (Int_t i=0; i<fNLocal; i++) {
+ m.GetIdxlocZ()[i]=i;
+ m.GetDerlocZ()[i]=dZdL[i];
+ }
+ for (Int_t i=0; i<ITSMILLENPARCH; i++) {
+ m.GetIdxgloZ()[i]=fCurrentModuleInternalIndex*ITSMILLENPARCH+i;
+ m.GetDergloZ()[i]=dZdG[i];
+ }
+ m.SetMeasZ(fMeasLoc[2]-fPintLoc0[2]);
+ m.SetSigmaZ(fSigmaLoc[2]);
+
return 0;
}
+void AliITSAlignMille::SetLocalEquations(AliITSAlignMilleData *m, Int_t neq) {
+ /// Set local equations with data stored in m
+ /// return 0 if success
+
+ for (Int_t j=0; j<neq; j++) {
+
+ AliDebug(2,Form("setting local equation X with fMeas=%.6f and fSigma=%.6f",m[j].GetMeasX(), m[j].GetSigmaX()));
+ // set equation for Xloc coordinate
+ for (Int_t i=0; i<fNLocal; i++)
+ SetLocalDerivative( m[j].GetIdxlocX()[i], m[j].GetDerlocX()[i] );
+
+ for (Int_t i=0; i<ITSMILLENPARCH; i++)
+ SetGlobalDerivative( m[j].GetIdxgloX()[i], m[j].GetDergloX()[i] );
+
+ fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, m[j].GetMeasX(), m[j].GetSigmaX());
+
+
+ AliDebug(2,Form("setting local equation Z with fMeas=%.6f and fSigma=%.6f",m[j].GetMeasZ(), m[j].GetSigmaZ()));
+ // set equation for Zloc coordinate
+ for (Int_t i=0; i<fNLocal; i++)
+ SetLocalDerivative( m[j].GetIdxlocZ()[i], m[j].GetDerlocZ()[i] );
+
+ for (Int_t i=0; i<ITSMILLENPARCH; i++)
+ SetGlobalDerivative( m[j].GetIdxgloZ()[i], m[j].GetDergloZ()[i] );
+
+ fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, m[j].GetMeasZ(), m[j].GetSigmaZ());
+ }
+}
+
+
void AliITSAlignMille::LocalFit(Int_t iTrack, Double_t *lTrackParam, Int_t lSingleFit) {
/// Call local fit for this track
if (!fIsMilleInit) {
}
Int_t iRes = fMillepede->LocalFit(iTrack,lTrackParam,lSingleFit);
AliDebug(2,Form("iRes = %d",iRes));
- if (iRes && !lSingleFit) {
+ //if (iRes && !lSingleFit) {
+ if (!lSingleFit) { // Ruben Shahoyan's bug fix
fMillepede->SetNLocalEquations(fMillepede->GetNLocalEquations()+1);
}
}
Int_t nsma=sma->GetEntriesFast();
AliInfo(Form("Array of SuperModules with %d entries\n",nsma));
- Char_t st[250];
- char symname[150];
+ Char_t st[2048];
+ char symname[250];
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());
+ strncpy(st,a->GetSymName(),TMath::Min(sizeof(st),strlen(a->GetSymName())+1));
a->GetMatrix(m);
- sscanf(st,"%s",symname);
+ symname[0] = '\0';
+ sscanf(st,"%249s",symname);
// decode module list
char *stp=strstr(st,"ModuleList:");
if (!stp) return -3;
int idx[2200];
char spp[200]; int jp=0;
char cl[20];
- strcpy(st,stp);
+ strncpy(st,stp,TMath::Min(sizeof(st),strlen(stp)+1));
int l=strlen(st);
int j=0;
int n=0;
if (strlen(spp)) {
int k=strcspn(spp,"-");
if (k<int(strlen(spp))) { // c'e' il -
- strcpy(cl,&(spp[k+1]));
+ strncpy(cl,&(spp[k+1]), TMath::Min(sizeof(cl),strlen(&spp[k+1])+1));
spp[k]=0;
int ifrom=atoi(spp); int ito=atoi(cl);
for (int b=ifrom; b<=ito; b++) {
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff