// Implementation of the ITS clusterer V2 class //
// //
// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch //
-// Revised: Enrico Fragiacomo, enrico.fragiacomo@ts.infn.it //
-// Revised 23/06/08: Marco Bregant
+// Last revision: 13-05-09 Enrico Fragiacomo //
+// enrico.fragiacomo@ts.infn.it //
// //
///////////////////////////////////////////////////////////////////////////
-#include <Riostream.h>
+#include "AliITSClusterFinderV2SSD.h"
+#include <Riostream.h>
+#include <TGeoGlobalMagField.h>
-#include "AliITSClusterFinderV2SSD.h"
+#include "AliLog.h"
+#include "AliMagF.h"
#include "AliITSRecPoint.h"
+#include "AliITSRecPointContainer.h"
#include "AliITSgeomTGeo.h"
-#include "AliITSDetTypeRec.h"
#include "AliRawReader.h"
#include "AliITSRawStreamSSD.h"
#include <TClonesArray.h>
+#include <TCollection.h>
#include "AliITSdigitSSD.h"
#include "AliITSReconstructor.h"
#include "AliITSCalibrationSSD.h"
+#include "AliITSsegmentationSSD.h"
Short_t *AliITSClusterFinderV2SSD::fgPairs = 0x0;
Int_t AliITSClusterFinderV2SSD::fgPairsSize = 0;
+const Float_t AliITSClusterFinderV2SSD::fgkThreshold = 5.;
+
+const Float_t AliITSClusterFinderV2SSD::fgkCosmic2008StripShifts[16][9] =
+ {{-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35}, // DDL 512
+ {-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35,-0.35}, // DDL 513
+ {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 514
+ {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 515
+ { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 516
+ { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 517
+ {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 518
+ {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 519
+ {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.25,-0.15}, // DDL 520
+ {-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15,-0.15}, // DDL 521
+ {-0.10,-0.10,-0.10,-0.40,-0.40,-0.40,-0.10,-0.10,-0.45}, // DDL 522
+ {-0.10,-0.10,-0.10,-0.35,-0.35,-0.35,-0.10,-0.35,-0.50}, // DDL 523
+ { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 524
+ { 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00}, // DDL 525
+ { 0.35, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35}, // DDL 526
+ { 0.45, 0.45, 0.45, 0.45, 0.45, 0.45, 0.45, 0.45, 0.45}}; // DDL 527
ClassImp(AliITSClusterFinderV2SSD)
-AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(AliITSDetTypeRec* dettyp):AliITSClusterFinderV2(dettyp),
-fLastSSD1(AliITSgeomTGeo::GetModuleIndex(6,1,1)-1),
-fYpitchSSD(0.0095),
-fHwSSD(3.65),
-fHlSSD(2.00),
-fTanP(0.0275),
-fTanN(0.0075)
+ AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(AliITSDetTypeRec* dettyp):AliITSClusterFinder(dettyp),fLastSSD1(AliITSgeomTGeo::GetModuleIndex(6,1,1)-1), fLorentzShiftP(0), fLorentzShiftN(0)
{
+//Default constructor
+ static AliITSRecoParam *repa = NULL;
+ if(!repa){
+ repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
+ if(!repa){
+ repa = AliITSRecoParam::GetHighFluxParam();
+ AliWarning("Using default AliITSRecoParam class");
+ }
+ }
- //Default constructor
-
+ if (repa->GetCorrectLorentzAngleSSD()) {
+ AliMagF* field = dynamic_cast<AliMagF*>(TGeoGlobalMagField::Instance()->GetField());
+ if (field == 0) {
+ AliError("Cannot get magnetic field from TGeoGlobalMagField");
+ }
+ else {
+ Float_t bField = field->SolenoidField();
+ // NB: spatial shift has opposite sign for lay 5 and 6, but strip numbering also changes direction, so no sign-change
+ // Shift due to ExB on drift N-side, units: strip width
+ fLorentzShiftP = -repa->GetTanLorentzAngleElectronsSSD() * 150.e-4/95.e-4 * bField / 5.0;
+ // Shift due to ExB on drift P-side, units: strip width
+ fLorentzShiftN = -repa->GetTanLorentzAngleHolesSSD() * 150.e-4/95.e-4 * bField / 5.0;
+ AliDebug(1,Form("bField %f Lorentz Shift P-side %f N-side %f",bField,fLorentzShiftN,fLorentzShiftP));
+ }
+ }
}
//______________________________________________________________________
-AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(const AliITSClusterFinderV2SSD &cf) : AliITSClusterFinderV2(cf), fLastSSD1(cf.fLastSSD1),
-fYpitchSSD(cf.fYpitchSSD),
-fHwSSD(cf.fHwSSD),
-fHlSSD(cf.fHlSSD),
-fTanP(cf.fTanP),
-fTanN(cf.fTanN)
+AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(const AliITSClusterFinderV2SSD &cf) : AliITSClusterFinder(cf), fLastSSD1(cf.fLastSSD1), fLorentzShiftP(cf.fLorentzShiftP), fLorentzShiftN(cf.fLorentzShiftN)
{
// Copy constructor
}
//------------------------------------------------------------
// Actual SSD cluster finder
//------------------------------------------------------------
+ Int_t smaxall=alldigits->GetEntriesFast();
+ if (smaxall==0) return;
- static AliITSRecoParam *repa = NULL;
-
-
+
+ //---------------------------------------
+ // load recoparam and calibration
+ //
+ static AliITSRecoParam *repa = NULL;
if(!repa){
repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
if(!repa){
AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)GetResp(fModule);
Float_t gain=0;
+ Float_t noise=0;
+ //---------------------------------------
- Int_t smaxall=alldigits->GetEntriesFast();
- if (smaxall==0) return;
- // TObjArray *digits = new TObjArray;
+
+ //------------------------------------
+ // fill the digits array with zero-suppression condition
+ // Signal is converted in KeV
+ //
TObjArray digits;
for (Int_t i=0;i<smaxall; i++){
AliITSdigitSSD *d=(AliITSdigitSSD*)alldigits->UncheckedAt(i);
+ if(d->IsSideP()) noise = cal->GetNoiseP(d->GetStripNumber());
+ else noise = cal->GetNoiseN(d->GetStripNumber());
+ if (d->GetSignal()<3.*noise) continue;
+
if(d->IsSideP()) gain = cal->GetGainP(d->GetStripNumber());
else gain = cal->GetGainN(d->GetStripNumber());
- Float_t q=gain*d->GetSignal(); // calibration brings mip peaks around 120 (in ADC units)
+ Float_t q=gain*d->GetSignal(); //
q=cal->ADCToKeV(q); // converts the charge in KeV from ADC units
- //Float_t q=d->GetSignal()/4.29;// temp. fix (for PID purposed - normalis. to be checked)
d->SetSignal(Int_t(q));
- if (d->GetSignal()<3) continue;
digits.AddLast(d);
}
Int_t smax = digits.GetEntriesFast();
if (smax==0) return;
+ //------------------------------------
+
const Int_t kMax=1000;
Int_t np=0, nn=0;
Ali1Dcluster pos[kMax], neg[kMax];
Float_t y=0., q=0., qmax=0.;
- Int_t lab[4]={-2,-2,-2,-2};
+ Int_t lab[4]={-2,-2,-2,-2};
+ Bool_t flag5 = 0;
+ /*
+ cout<<"-----------------------------"<<endl;
+ cout<<"this is module "<<fModule;
+ cout<<endl;
+ cout<<endl;
+ */
+ Int_t layer = 4;
+ if (fModule>fLastSSD1)
+ layer = 5;
+
+ //--------------------------------------------------------
+ // start 1D-clustering from the first digit in the digits array
+ //
AliITSdigitSSD *d=(AliITSdigitSSD*)digits.UncheckedAt(0);
q += d->GetSignal();
y += d->GetCoord2()*d->GetSignal();
qmax=d->GetSignal();
lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2);
+
+ if(d->IsSideP()) {
+ noise = cal->GetNoiseP(d->GetStripNumber());
+ gain = cal->GetGainP(d->GetStripNumber());
+ }
+ else {
+ noise = cal->GetNoiseN(d->GetStripNumber());
+ gain = cal->GetGainN(d->GetStripNumber());
+ }
+ noise*=gain;
+ noise=cal->ADCToKeV(noise); // converts noise in KeV from ADC units
+
+ if(qmax>fgkThreshold*noise) flag5=1; // seed for the cluster
+
+ /*
+ cout<<d->GetSignal()<<" "<<noise<<" "<<flag5<<" "<<
+ d->GetCoord1()<<" "<<d->GetCoord2()<<endl;
+ */
+
Int_t curr=d->GetCoord2();
Int_t flag=d->GetCoord1();
+
+ // Note: the first side which will be processed is supposed to be the
+ // P-side which is neg
Int_t *n=&nn;
Ali1Dcluster *c=neg;
+ if(flag) {n=&np; c=pos;} // in case we have only Nstrips (P was bad!)
+
Int_t nd=1;
Int_t milab[10];
for (Int_t ilab=0;ilab<10;ilab++){
}
milab[0]=d->GetTrack(0); milab[1]=d->GetTrack(1); milab[2]=d->GetTrack(2);
+
+ //----------------------------------------------------------
+ // search for neighboring digits
+ //
for (Int_t s=1; s<smax; s++) {
d=(AliITSdigitSSD*)digits.UncheckedAt(s);
Int_t strip=d->GetCoord2();
- if ((strip-curr) > 1 || flag!=d->GetCoord1()) {
- c[*n].SetY(y/q);
+
+ // if digits is not a neighbour or side did not change
+ // and at least one of the previous digits met the seed condition
+ // then creates a new 1D cluster
+ if ( ( ((strip-curr) > 1) || (flag!=d->GetCoord1()) ) ) {
+
+ if(flag5) {
+ //cout<<"here1"<<endl;
+ Float_t dLorentz = 0;
+ if (!flag) { // P-side is neg clust
+ dLorentz = fLorentzShiftN;
+ }
+ else { // N-side is p clust
+ dLorentz = fLorentzShiftP;
+ }
+ c[*n].SetY(y/q+dLorentz);
c[*n].SetQ(q);
c[*n].SetNd(nd);
CheckLabels2(milab);
c[*n].SetLabels(milab);
if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
-
+ // Note: fUseUnfoldingInClusterFinderSSD=kFALSE by default in RecoParam
+
//Split suspiciously big cluster
if (nd>4&&nd<25) {
- c[*n].SetY(y/q-0.25*nd);
+ c[*n].SetY(y/q-0.25*nd+dLorentz);
c[*n].SetQ(0.5*q);
(*n)++;
if (*n==kMax) {
Error("FindClustersSSD","Too many 1D clusters !");
return;
}
- c[*n].SetY(y/q+0.25*nd);
+ c[*n].SetY(y/q+0.25*nd+dLorentz);
c[*n].SetQ(0.5*q);
c[*n].SetNd(nd);
c[*n].SetLabels(milab);
Error("FindClustersSSD","Too many 1D clusters !");
return;
}
+
+ } // flag5 set
+
+ // reset everything
y=q=qmax=0.;
nd=0;
+ flag5=0;
lab[0]=lab[1]=lab[2]=-2;
- //
- for (Int_t ilab=0;ilab<10;ilab++){
- milab[ilab]=-2;
- }
- //
- if (flag!=d->GetCoord1()) { n=&np; c=pos; }
- }
+ for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
+
+ // if side changed from P to N, switch to pos 1D clusters
+ // (if for some reason the side changed from N to P then do the opposite)
+ if (flag!=d->GetCoord1())
+ { if(!flag) {n=&np; c=pos;} else {n=&nn; c=neg;} }
+
+ } // end create new 1D cluster from previous neighboring digits
+
+ // continues adding digits to the previous cluster
+ // or start a new one
flag=d->GetCoord1();
q += d->GetSignal();
y += d->GetCoord2()*d->GetSignal();
nd++;
+
+ if(d->IsSideP()) {
+ noise = cal->GetNoiseP(d->GetStripNumber());
+ gain = cal->GetGainP(d->GetStripNumber());
+ }
+ else {
+ noise = cal->GetNoiseN(d->GetStripNumber());
+ gain = cal->GetGainN(d->GetStripNumber());
+ }
+ noise*=gain;
+ noise=cal->ADCToKeV(noise); // converts the charge in KeV from ADC units
+
+ if(d->GetSignal()>fgkThreshold*noise) flag5=1;
+
+ /*
+ cout<<d->GetSignal()<<" "<<noise<<" "<<flag5<<" "<<
+ d->GetCoord1()<<" "<<d->GetCoord2()<<endl;
+ */
+
if (d->GetSignal()>qmax) {
qmax=d->GetSignal();
lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2);
if (d->GetTrack(ilab)>=0) AddLabel(milab, (d->GetTrack(ilab)));
}
curr=strip;
- }
- c[*n].SetY(y/q);
- c[*n].SetQ(q);
- c[*n].SetNd(nd);
- c[*n].SetLabels(lab);
- if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
+
+ } // loop over digits, no more digits in the digits array
+
+
+ // add the last 1D cluster
+ if(flag5) {
+
+ // cout<<"here2"<<endl;
+ Float_t dLorentz = 0;
+ if (!flag) { // P-side is neg clust
+ dLorentz = fLorentzShiftN;
+ }
+ else { // N-side is p clust
+ dLorentz = fLorentzShiftP;
+ }
- //Split suspiciously big cluster
- if (nd>4 && nd<25) {
- c[*n].SetY(y/q-0.25*nd);
- c[*n].SetQ(0.5*q);
- (*n)++;
- if (*n==kMax) {
- Error("FindClustersSSD","Too many 1D clusters !");
- return;
+ c[*n].SetY(y/q + dLorentz);
+ c[*n].SetQ(q);
+ c[*n].SetNd(nd);
+ c[*n].SetLabels(lab);
+
+ if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
+
+ //Split suspiciously big cluster
+ if (nd>4 && nd<25) {
+ c[*n].SetY(y/q-0.25*nd + dLorentz);
+ c[*n].SetQ(0.5*q);
+ (*n)++;
+ if (*n==kMax) {
+ Error("FindClustersSSD","Too many 1D clusters !");
+ return;
+ }
+ c[*n].SetY(y/q+0.25*nd + dLorentz);
+ c[*n].SetQ(0.5*q);
+ c[*n].SetNd(nd);
+ c[*n].SetLabels(lab);
}
- c[*n].SetY(y/q+0.25*nd);
- c[*n].SetQ(0.5*q);
- c[*n].SetNd(nd);
- c[*n].SetLabels(lab);
+ } // unfolding is on
+
+ (*n)++;
+ if (*n==kMax) {
+ Error("FindClustersSSD","Too many 1D clusters !");
+ return;
}
- } // unfolding is on
+
+ } // if flag5 last 1D cluster added
+
+
+ //------------------------------------------------------
+ // call FindClustersSSD to pair neg and pos 1D clusters
+ // and create recpoints from the crosses
+ // Note1: neg are Pside and pos are Nside!!
+ // Note2: if there are no Pside digits nn=0 (bad strips!!) (same for Nside)
+ //
+ // cout<<nn<<" Pside and "<<np<<" Nside clusters"<<endl;
- (*n)++;
- if (*n==kMax) {
- Error("FindClustersSSD","Too many 1D clusters !");
- return;
+ AliITSRecPointContainer* rpc = AliITSRecPointContainer::Instance();
+ if (nn*np > 0) {
+ TClonesArray* clusters = rpc->UncheckedGetClusters(fModule);
+ clusters->Clear();
+ FindClustersSSD(neg, nn, pos, np, clusters);
+ TIter itr(clusters);
+ AliITSRecPoint *irp;
+ while ((irp = (AliITSRecPoint*)itr.Next())) fDetTypeRec->AddRecPoint(*irp);
}
-
- FindClustersSSD(neg, nn, pos, np);
+ //-----------------------------------------------------
}
-void AliITSClusterFinderV2SSD::RawdataToClusters(AliRawReader* rawReader,TClonesArray** clusters){
+void AliITSClusterFinderV2SSD::RawdataToClusters(AliRawReader* rawReader){
- //------------------------------------------------------------
+ //------------------------------------------------------------
// This function creates ITS clusters from raw data
//------------------------------------------------------------
+ fNClusters = 0;
rawReader->Reset();
AliITSRawStreamSSD inputSSD(rawReader);
- FindClustersSSD(&inputSSD,clusters);
+ FindClustersSSD(&inputSSD);
}
-void AliITSClusterFinderV2SSD::FindClustersSSD(AliITSRawStreamSSD* input,
- TClonesArray** clusters)
+
+void AliITSClusterFinderV2SSD::FindClustersSSD(AliITSRawStreamSSD* input)
{
//------------------------------------------------------------
// Actual SSD cluster finder for raw data
//------------------------------------------------------------
+ AliITSRecPointContainer* rpc = AliITSRecPointContainer::Instance();
static AliITSRecoParam *repa = NULL;
if(!repa){
repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
AliWarning("Using default AliITSRecoParam class");
}
}
-
+ if (fRawID2ClusID) { // RS: reset references from 1D clusters to rawID's
+ fRawIDRef[0].Reset();
+ fRawIDRef[1].Reset();
+ }
Int_t nClustersSSD = 0;
- const Int_t kMax = 1000;
- Ali1Dcluster clusters1D[2][kMax];
- Int_t nClusters[2] = {0, 0};
- Int_t lab[3]={-2,-2,-2};
- Float_t q = 0.;
- Float_t y = 0.;
- Int_t nDigits = 0;
- Float_t gain=0;
- Float_t noise=0.;
- // Float_t pedestal=0.;
- Float_t oldnoise=0.;
- AliITSCalibrationSSD* cal=NULL;
-
- Int_t matrix[12][1536];
- Int_t iddl=-1;
- Int_t iad=-1;
- Int_t oddl = -1;
- Int_t oad = -1;
- Int_t oadc = -1;
- Int_t ostrip = -1;
- Int_t osignal = 65535;
- Int_t n=0;
- Bool_t next=0;
-
- // read raw data input stream
+ const Int_t kNADC = 12;
+ const Int_t kMaxADCClusters = 1000;
+
+ Int_t strips[kNADC][2][kMaxADCClusters][3]; // [ADC],[side],[istrip], [0]=istrip [1]=signal [2]=rawID (for embedding, RS)
+ Int_t nStrips[kNADC][2];
+
+ for( int i=0; i<kNADC; i++ ){
+ nStrips[i][0] = 0;
+ nStrips[i][1] = 0;
+ }
+
+ Int_t ddl = -1;
+ Int_t ad = -1;
+
+ //*
+ //* Loop over modules DDL+AD
+ //*
+ int countRW = 0; //RS
+ if (fRawID2ClusID) fRawID2ClusID->Reset(); //RS if array was provided, we shall store the rawID -> ClusterID
+
while (kTRUE) {
+
+ bool next = input->Next();
- // reset signal matrix
- for(Int_t i=0; i<12; i++) { for(Int_t j=0; j<1536; j++) { matrix[i][j] = 65535;} }
-
- if(osignal!=65535) {
- n++;
- matrix[oadc][ostrip] = osignal; // recover data from previous occurence of input->Next()
+ //*
+ //* Continue if corrupted input
+ //*
+
+ if( (!next)&&(input->flag) ){
+ AliWarning(Form("ITSClustersFinderSSD: Corrupted data: warning from RawReader"));
+ continue;
}
-
- // buffer data for ddl=iddl and ad=iad
- while(kTRUE) {
-
- next = input->Next();
- if((!next)&&(input->flag)) continue;
- Int_t ddl=input->GetDDL();
- Int_t ad=input->GetAD();
- Int_t adc = input->GetADC(); adc = (adc<6)? adc : adc - 2;
- Int_t strip = input->GetStrip();
- if(input->GetSideFlag()) strip=1535-strip;
- Int_t signal = input->GetSignal();
-
- if((ddl==iddl)&&(ad==iad)) {n++; matrix[adc][strip] = signal;}
- else {oddl=iddl; oad=iad; oadc = adc; ostrip = strip; osignal=signal; iddl=ddl; iad=ad; break;}
+
+ Int_t newDDL = input->GetDDL();
+ Int_t newAD = input->GetAD();
+
+ if( next ){
+ if( newDDL<0 || newDDL>15 ){
+ AliWarning(Form("ITSClustersFinderSSD: Corrupted data: wrong DDL number (%d)",newDDL));
+ continue;
+ }
- if(!next) {oddl=iddl; oad=iad; oadc = adc; ostrip = strip; osignal=signal; iddl=ddl; iad=ad; break;}
- //break;
+ if( newAD<1 || newAD>9 ){
+ AliWarning(Form("ITSClustersFinderSSD: Corrupted data: wrong AD number (%d)",newAD));
+ continue;
+ }
}
-
- // No SSD data
- if(!next && oddl<0) break;
-
- if(n==0) continue; // first occurence
- n=0; //osignal=0;
-
- // fill 1Dclusters
- for(Int_t iadc=0; iadc<12; iadc++) { // loop over ADC index for ddl=oddl and ad=oad
-
- Int_t iimod = (oad - 1) * 12 + iadc;
- Int_t iModule = AliITSRawStreamSSD::GetModuleNumber(oddl,iimod);
- if(iModule==-1) continue;
- cal = (AliITSCalibrationSSD*)GetResp(iModule);
-
- Bool_t first = 0;
-
- /*
- for(Int_t istrip=0; istrip<768; istrip++) { // P-side
- Int_t signal = matrix[iadc][istrip];
- pedestal = cal->GetPedestalP(istrip);
- matrix[iadc][istrip]=signal-(Int_t)pedestal;
- }
- */
- /*
- Float_t cmode=0;
- for(Int_t l=0; l<6; l++) {
- cmode=0;
- for(Int_t n=20; n<108; n++) cmode+=matrix[iadc][l*128+n];
- cmode/=88.;
- for(Int_t n=0; n<128; n++) matrix[iadc][l*128+n]-=(Int_t)cmode;
+ bool newModule = ( !next || ddl!= newDDL || ad!=newAD );
+
+ if( newModule && ddl>=0 && ad>=0 ){
+
+ //*
+ //* Reconstruct the previous block of 12 modules --- actual clusterfinder
+ //*
+ //cout<<endl;
+ for( int adc = 0; adc<kNADC; adc++ ){
- }
- */
+ //* 1D clusterfinder
- Int_t istrip=0;
- for(istrip=0; istrip<768; istrip++) { // P-side
+ Ali1Dcluster clusters1D[2][kMaxADCClusters]; // per ADC, per side
+ Int_t nClusters1D[2] = {0,0};
+ //int nstat[2] = {0,0};
+ fModule = AliITSRawStreamSSD::GetModuleNumber(ddl, (ad - 1) * 12 + adc );
- Int_t signal = TMath::Abs(matrix[iadc][istrip]);
+ if( fModule<0 ){
+// AliWarning(Form("ITSClustersFinderSSD: Corrupted data: module (ddl %d ad %d adc %d) not found in the map",ddl,ad,adc));
+//CM channels are always present even everything is suppressed
+ continue;
+ }
- oldnoise = noise;
- noise = cal->GetNoiseP(istrip); if(noise<1.) signal = 65535;
- if(signal<3*noise) signal = 65535; // in case ZS was not done in hw do it now
+ Int_t layer = 4;
+ if (fModule>fLastSSD1)
+ layer = 5;
+
+ AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)fDetTypeRec->GetCalibrationModel(fModule);
+ if( !cal ){
+ AliWarning(Form("ITSClustersFinderSSD: No calibration found for module (ddl %d ad %d adc %d)",ddl,ad,adc));
+ continue;
+ }
- // if(cal->IsPChannelB ad(istrip)) signal=0;
+ Float_t dStrip = 0;
- if (signal!=65535) {
- gain = cal->GetGainP(istrip);
- signal = (Int_t) ( signal * gain ); // signal is corrected for gain
- signal = (Int_t) cal->ADCToKeV( signal ); // signal is converted in KeV
-
- q += signal; // add digit to current cluster
- y += istrip * signal;
- nDigits++;
- first=1;
+ if( repa->GetUseCosmicRunShiftsSSD()) { // Special condition for 2007/2008 cosmic data
+ dStrip = fgkCosmic2008StripShifts[ddl][ad-1];
+ if (TMath::Abs(dStrip) > 1.5){
+ AliWarning(Form("Indexing error in Cosmic calibration: ddl = %d, dStrip %f\n",ddl,dStrip));
+ dStrip = 0;
+ }
}
- else if(first) {
+ for( int side=0; side<=1; side++ ){
+
+ Int_t lab[3]={-2,-2,-2};
+ Float_t q = 0.;
+ Float_t y = 0.;
+ Int_t nDigits = 0;
+ Int_t ostrip = -2;
+ Bool_t snFlag = 0;
+
+ Float_t dLorentz = 0;
+ if (side==0) { // P-side is neg clust
+ dLorentz = fLorentzShiftN;
+ }
+ else { // N-side is pos clust
+ dLorentz = fLorentzShiftP;
+ }
- if ( ( (nDigits==1) && ( (q==0) || (q>5*oldnoise)) ) || (nDigits>1) ) {
+ Int_t n = nStrips[adc][side];
+ for( int istr = 0; istr<n+1; istr++ ){
- Ali1Dcluster& cluster = clusters1D[0][nClusters[0]++];
-
- if(q!=0) cluster.SetY(y/q);
- else cluster.SetY(istrip-1);
-
- cluster.SetQ(q);
- cluster.SetNd(nDigits);
- cluster.SetLabels(lab);
+ bool stripOK = 1;
+ Int_t strip=0, rwID = 0;
+ Float_t signal=0.0, noise=0.0, gain=0.0;
- if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
-
- //Split suspiciously big cluster
- if (nDigits > 4&&nDigits < 25) {
- if(q!=0) cluster.SetY(y/q - 0.25*nDigits);
- else cluster.SetY(istrip-1 - 0.25*nDigits);
- cluster.SetQ(0.5*q);
- if (nClusters[0] == kMax) {
- Error("FindClustersSSD", "Too many 1D clusters !");
- return;
+ if( istr<n ){
+ strip = strips[adc][side][istr][0];
+ signal = strips[adc][side][istr][1];
+ rwID = strips[adc][side][istr][2]; // RS
+ //cout<<"strip "<<adc<<" / "<<side<<": "<<strip<<endl;
+
+ if( cal ){
+ noise = side ?cal->GetNoiseN(strip) :cal->GetNoiseP(strip);
+ gain = side ?cal->GetGainN(strip) :cal->GetGainP(strip);
+ stripOK = ( noise>=1. && signal>=3.0*noise
+ //&& !cal->IsPChannelBad(strip)
+ );
+ }
+ } else stripOK = 0; // end of data
+
+ bool newCluster = ( (abs(strip-ostrip)!=1) || !stripOK );
+
+ if( newCluster ){
+
+ //* Store the previous cluster
+
+ if( nDigits>0 && q>0 && snFlag ){
+
+ if (nClusters1D[side] >= kMaxADCClusters-1 ) {
+ AliWarning("HLT ClustersFinderSSD: Too many 1D clusters !");
+ }else {
+
+ Ali1Dcluster &cluster = clusters1D[side][nClusters1D[side]++];
+ cluster.SetY( y / q + dStrip + dLorentz);
+ cluster.SetQ(q);
+ cluster.SetNd(nDigits);
+ cluster.SetLabels(lab);
+ //cout<<"cluster 1D side "<<side<<": y= "<<y<<" q= "<<q<<" d="<<dStrip<<" Y="<<cluster.GetY()<<endl;
+ //Split suspiciously big cluster
+
+ if( repa->GetUseUnfoldingInClusterFinderSSD()
+ && nDigits > 4 && nDigits < 25
+ ){
+ cluster.SetY(y/q + dStrip - 0.25*nDigits + dLorentz);
+ cluster.SetQ(0.5*q);
+ Ali1Dcluster& cluster2 = clusters1D[side][nClusters1D[side]++];
+ cluster2.SetY(y/q + dStrip + 0.25*nDigits + dLorentz);
+ cluster2.SetQ(0.5*q);
+ cluster2.SetNd(nDigits);
+ cluster2.SetLabels(lab);
+ } // unfolding is on
}
- Ali1Dcluster& cluster2 = clusters1D[0][nClusters[0]++];
- if(q!=0) cluster2.SetY(y/q + 0.25*nDigits);
- else cluster2.SetY(istrip-1 + 0.25*nDigits);
- cluster2.SetQ(0.5*q);
- cluster2.SetNd(nDigits);
- cluster2.SetLabels(lab);
}
- } // unfolding is on
- }
-
- y = q = 0.;
- nDigits = 0;
- first=0;
- }
-
- } // loop over strip on P-side
-
- // if last strip does have signal
- if(first) {
-
- if ( ( (nDigits==1) && ( (q==0) || (q>5*oldnoise)) ) || (nDigits>1) ) {
-
- Ali1Dcluster& cluster = clusters1D[0][nClusters[0]++];
+ y = q = 0.;
+ nDigits = 0;
+ snFlag = 0;
+
+ } //* End store the previous cluster
+
+ if( stripOK ){ // add new signal to the cluster
+// signal = (Int_t) (signal * gain); // signal is corrected for gain
+ if( signal>fgkThreshold*noise) snFlag = 1;
+ signal = signal * gain; // signal is corrected for gain
+// if( cal ) signal = (Int_t) cal->ADCToKeV( signal ); // signal is converted in KeV
+ if( cal ) signal = cal->ADCToKeV( signal ); // signal is converted in KeV
+ q += signal; // add digit to current cluster
+ y += strip * signal;
+ nDigits++;
+ //nstat[side]++;
+ ostrip = strip;
+ if (fRawID2ClusID) fRawIDRef[side].AddReference(nClusters1D[side],rwID);
- if(q!=0) cluster.SetY(y/q);
- else cluster.SetY(istrip-1);
-
- cluster.SetQ(q);
- cluster.SetNd(nDigits);
- cluster.SetLabels(lab);
-
- if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
-
- //Split suspiciously big cluster
- if (nDigits > 4&&nDigits < 25) {
- if(q!=0) cluster.SetY(y/q - 0.25*nDigits);
- else cluster.SetY(istrip-1 - 0.25*nDigits);
- cluster.SetQ(0.5*q);
- if (nClusters[0] == kMax) {
- Error("FindClustersSSD", "Too many 1D clusters !");
- return;
- }
- Ali1Dcluster& cluster2 = clusters1D[0][nClusters[0]++];
- if(q!=0) cluster2.SetY(y/q + 0.25*nDigits);
- else cluster2.SetY(istrip-1 + 0.25*nDigits);
- cluster2.SetQ(0.5*q);
- cluster2.SetNd(nDigits);
- cluster2.SetLabels(lab);
}
- } // unfolding is on
-
- }
- y = q = 0.;
- nDigits = 0;
- first=0;
- }
-
- /*
- for(Int_t istrip=768; istrip<1536; istrip++) { // P-side
- Int_t signal = matrix[iadc][istrip];
- pedestal = cal->GetPedestalN(1535-istrip);
- matrix[iadc][istrip]=signal-(Int_t)pedestal;
- }
- */
-
- /*
- for(Int_t l=6; l<12; l++) {
- Float_t cmode=0;
- for(Int_t n=20; n<108; n++) cmode+=matrix[iadc][l*128+n];
- cmode/=88.;
- for(Int_t n=0; n<128; n++) matrix[iadc][l*128+n]-=(Int_t)cmode;
- }
- */
+ } //* end loop over strips
- oldnoise = 0.;
- noise = 0.;
- Int_t strip=0;
- for(Int_t iistrip=768; iistrip<1536; iistrip++) { // N-side
+ } //* end loop over ADC sides
- Int_t signal = TMath::Abs(matrix[iadc][iistrip]);
- strip = 1535-iistrip;
-
- oldnoise = noise;
- noise = cal->GetNoiseN(strip); if(noise<1.) signal=65535;
-
- // if(cal->IsNChannelBad(strip)) signal=0;
- if(signal<3*noise) signal = 65535; // in case ZS was not done in hw do it now
-
- if (signal!=65535) {
- gain = cal->GetGainN(strip);
- signal = (Int_t) ( signal * gain); // signal is corrected for gain
- signal = (Int_t) cal->ADCToKeV( signal ); // signal is converted in KeV
-
- // add digit to current cluster
- q += signal;
- y += strip * signal;
- nDigits++;
- first=1;
+ //* 2D clusterfinder
+ if( nClusters1D[0] && nClusters1D[1] && fModule>=0 ){
+ TClonesArray* clusters = rpc->UncheckedGetClusters(fModule);
+ FindClustersSSD( clusters1D[0], nClusters1D[0], clusters1D[1], nClusters1D[1], clusters);
+ Int_t nClustersn = clusters->GetEntriesFast();
+ nClustersSSD += nClustersn;
}
- else if(first) {
-
- if ( ( (nDigits==1) && ( (q==0) || (q>5*oldnoise)) ) || (nDigits>1) ) {
-
- Ali1Dcluster& cluster = clusters1D[1][nClusters[1]++];
-
- if(q!=0) cluster.SetY(y/q);
- else cluster.SetY(strip+1);
+ //cout<<"SG: "<<ddl<<" "<<ad<<" "<<adc<<": strips "<<nstat[0]<<"+"<<nstat[1]<<", clusters 1D= "<<nClusters1D[0]<<" + "<<nClusters1D[1]<<", 2D= "<<clusters.size()<<endl;
- cluster.SetQ(q);
- cluster.SetNd(nDigits);
- cluster.SetLabels(lab);
-
- if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
-
- //Split suspiciously big cluster
- if (nDigits > 4&&nDigits < 25) {
- cluster.SetY(y/q - 0.25*nDigits);
- cluster.SetQ(0.5*q);
- if (nClusters[1] == kMax) {
- Error("FindClustersSSD", "Too many 1D clusters !");
- return;
- }
- Ali1Dcluster& cluster2 = clusters1D[1][nClusters[1]++];
- cluster2.SetY(y/q + 0.25*nDigits);
- cluster2.SetQ(0.5*q);
- cluster2.SetNd(nDigits);
- cluster2.SetLabels(lab);
- }
- } // unfolding is on
- }
-
- y = q = 0.;
- nDigits = 0;
- first=0;
- }
-
- } // loop over strips on N-side
+ }//* end loop over adc
+
+ }//* end of reconstruction of previous block of 12 modules
+
+ if( newModule ){
+
+ //*
+ //* Clean up arrays and set new module
+ //*
+
+ for( int i=0; i<kNADC; i++ ){
+ nStrips[i][0] = 0;
+ nStrips[i][1] = 0;
+ }
+ ddl = newDDL;
+ ad = newAD;
+ }
+
- if(first) {
-
- if ( ( (nDigits==1) && ( (q==0) || (q>5*oldnoise)) ) || (nDigits>1) ) {
-
- Ali1Dcluster& cluster = clusters1D[1][nClusters[1]++];
-
- if(q!=0) cluster.SetY(y/q);
- else cluster.SetY(strip+1);
+ //*
+ //* Exit main loop when there is no more input
+ //*
- cluster.SetQ(q);
- cluster.SetNd(nDigits);
- cluster.SetLabels(lab);
-
- if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
-
- //Split suspiciously big cluster
- if (nDigits > 4&&nDigits < 25) {
- if(q!=0) cluster.SetY(y/q - 0.25*nDigits);
- else cluster.SetY(strip+1 - 0.25*nDigits);
- cluster.SetQ(0.5*q);
- if (nClusters[1] == kMax) {
- Error("FindClustersSSD", "Too many 1D clusters !");
- return;
- }
- Ali1Dcluster& cluster2 = clusters1D[1][nClusters[1]++];
- if(q!=0) cluster2.SetY(y/q + 0.25*nDigits);
- else cluster2.SetY(strip+1 + 0.25*nDigits);
- cluster2.SetQ(0.5*q);
- cluster2.SetNd(nDigits);
- cluster2.SetLabels(lab);
- }
- } // unfolding is on
- }
+ if( !next ) break;
+
+ //*
+ //* Fill the current strip information
+ //*
+
+ Int_t adc = input->GetADC();
+ if( adc<0 || adc>=kNADC+2 || (adc>5&&adc<8) ){
+ AliWarning(Form("HLT ClustersFinderSSD: Corrupted data: wrong adc number (%d)", adc));
+ continue;
+ }
- y = q = 0.;
- nDigits = 0;
- first=0;
- }
-
- // create recpoints
- if((nClusters[0])&&(nClusters[1])) {
-
- clusters[iModule] = new TClonesArray("AliITSRecPoint");
- fModule = iModule;
- FindClustersSSD(&clusters1D[0][0], nClusters[0],
- &clusters1D[1][0], nClusters[1], clusters[iModule]);
- Int_t nClustersn = clusters[iModule]->GetEntriesFast();
- nClustersSSD += nClustersn;
- }
+ if( adc>7 ) adc-= 2; // shift ADC numbers 8-13 to 6-11
+
+ Bool_t side = input->GetSideFlag();
+ Int_t strip = input->GetStrip();
+ Int_t signal = input->GetSignal();
+
- nClusters[0] = nClusters[1] = 0;
- y = q = 0.;
- nDigits = 0;
+ //cout<<"SSD: "<<ddl<<" "<<ad<<" "<<adc<<" "<<side<<" "<<strip<<" : "<<signal<<endl;
- } // loop over adc
+ if( strip>767 ){
+ AliWarning(Form("HLT ClustersFinderSSD: Corrupted data: wrong strip number (ddl %d ad %d adc %d side %d, strip %d",
+ ddl, ad, adc, side,strip) );
+ continue;
+ }
+ if (strip < 0) continue;
+
+ int &n = nStrips[adc][side];
+ if( n >0 ){
+ Int_t oldStrip = strips[adc][side][n-1][0];
+
+ if( strip==oldStrip ){
+ AliWarning(Form("HLT ClustersFinderSSD: Corrupted data: duplicated signal: ddl %d ad %d adc %d, side %d, strip %d",
+ ddl, ad, adc, side, strip ));
+ continue;
+ }
+ }
+ strips[adc][side][n][0] = strip;
+ strips[adc][side][n][1] = signal;
+ strips[adc][side][n][2] = countRW;
+ n++;
- if(!next) break;
- }
+ //cout<<"SSD: "<<input->GetDDL()<<" "<<input->GetAD()<<" "
+ //<<input->GetADC()<<" "<<input->GetSideFlag()<<" "<<((int)input->GetStrip())<<" "<<strip<<" : "<<input->GetSignal()<<endl;
+ //
+ countRW++; //RS
+ } //* End main loop over the input
- Info("FindClustersSSD", "found clusters in ITS SSD: %d", nClustersSSD);
+ AliDebug(1,Form("found clusters in ITS SSD: %d", nClustersSSD));
}
+
void AliITSClusterFinderV2SSD::
-FindClustersSSD(Ali1Dcluster* neg, Int_t nn,
- Ali1Dcluster* pos, Int_t np,
+FindClustersSSD(const Ali1Dcluster* neg, Int_t nn,
+ const Ali1Dcluster* pos, Int_t np,
TClonesArray *clusters) {
//------------------------------------------------------------
// Actual SSD cluster finder
const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(fModule);
- TClonesArray &cl=*clusters;
- //
- // Float_t tanp=fTanP, tann=fTanN;
- const Float_t kStartXzero=3.64325;
- const Float_t kDeltaXzero5or6=0.02239;
- const Float_t kDeltaZ5to6=7.6/7.0;
-
- Int_t is6=-1;
+ //---------------------------------------
+ // load recoparam
+ //
+ static AliITSRecoParam *repa = NULL;
+ if(!repa){
+ repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
+ if(!repa){
+ repa = AliITSRecoParam::GetHighFluxParam();
+ AliWarning("Using default AliITSRecoParam class");
+ }
+ }
+
+// TClonesArray &cl=*clusters;
- if (fModule>fLastSSD1) is6=1;
+ AliITSsegmentationSSD *seg = static_cast<AliITSsegmentationSSD*>(fDetTypeRec->GetSegmentationModel(2));
+ if (fModule>fLastSSD1)
+ seg->SetLayer(6);
+ else
+ seg->SetLayer(5);
+
+ Float_t hwSSD = seg->Dx()*1e-4/2;
+ Float_t hlSSD = seg->Dz()*1e-4/2;
+
Int_t idet=fNdet[fModule];
Int_t ncl=0;
//
- Int_t negativepair[30000];
- Int_t cnegative[3000];
- Int_t cused1[3000];
- Int_t positivepair[30000];
- Int_t cpositive[3000];
- Int_t cused2[3000];
- for (Int_t i=0;i<3000;i++) {cnegative[i]=0; cused1[i]=0;}
- for (Int_t i=0;i<3000;i++) {cpositive[i]=0; cused2[i]=0;}
- for (Int_t i=0;i<30000;i++) {negativepair[i]=0; positivepair[i]=0;}
+ Int_t *cnegative = new Int_t[np];
+ Int_t *cused1 = new Int_t[np];
+ Int_t *negativepair = new Int_t[10*np];
+ Int_t *cpositive = new Int_t[nn];
+ Int_t *cused2 = new Int_t[nn];
+ Int_t *positivepair = new Int_t[10*nn];
+ for (Int_t i=0;i<np;i++) {cnegative[i]=0; cused1[i]=0;}
+ for (Int_t i=0;i<nn;i++) {cpositive[i]=0; cused2[i]=0;}
+ for (Int_t i=0;i<10*np;i++) {negativepair[i]=0;}
+ for (Int_t i=0;i<10*nn;i++) {positivepair[i]=0;}
if ((np*nn) > fgPairsSize) {
- if (fgPairs) delete [] fgPairs;
- fgPairsSize = 4*np*nn;
+ delete [] fgPairs;
+ fgPairsSize = 2*np*nn;
fgPairs = new Short_t[fgPairsSize];
}
memset(fgPairs,0,sizeof(Short_t)*np*nn);
//
// find available pairs
//
+ Int_t ncross = 0;
for (Int_t i=0; i<np; i++) {
Float_t yp=pos[i].GetY();
if ( (pos[i].GetQ()>0) && (pos[i].GetQ()<3) ) continue;
if ( (neg[j].GetQ()>0) && (neg[j].GetQ()<3) ) continue;
Float_t yn=neg[j].GetY();
- Float_t zt=1.9*(yp-yn)/7.0-is6*kDeltaZ5to6;
- Float_t yt=is6*(kStartXzero-(285*yp + 1045*yn)/140000.0) + kDeltaXzero5or6;
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+ //cout<<yn<<" "<<yp<<" "<<xt<<" "<<zt<<endl;
- if (TMath::Abs(yt)<fHwSSD+0.01)
- if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
- negativepair[i*10+cnegative[i]] =j; //index
- positivepair[j*10+cpositive[j]] =i;
- cnegative[i]++; //counters
- cpositive[j]++;
- fgPairs[i*nn+j]=100;
+ if (TMath::Abs(xt)<hwSSD)
+ if (TMath::Abs(zt)<hlSSD) {
+ Int_t in = i*10+cnegative[i];
+ Int_t ip = j*10+cpositive[j];
+ if ((in < 10*np) && (ip < 10*nn)) {
+ negativepair[in] =j; //index
+ positivepair[ip] =i;
+ cnegative[i]++; //counters
+ cpositive[j]++;
+ ncross++;
+ fgPairs[i*nn+j]=100;
+ }
+ else
+ AliError(Form("Index out of range: ip=%d, in=%d",ip,in));
}
}
}
- //
+ if (!ncross) {
+ delete [] cnegative;
+ delete [] cused1;
+ delete [] negativepair;
+ delete [] cpositive;
+ delete [] cused2;
+ delete [] positivepair;
+ return;
+ }
+//why not to allocate memorey here? if(!clusters) clusters = new TClonesArray("AliITSRecPoint", ncross);
+
+ /* //
// try to recover points out of but close to the module boundaries
//
for (Int_t i=0; i<np; i++) {
if ( (neg[j].GetQ()>0) && (neg[j].GetQ()<3) ) continue;
// if both 1Dclusters have an other cross continue
if (cpositive[j]&&cnegative[i]) continue;
- Float_t yn=neg[j].GetY();
+ Float_t yn=neg[j].GetY();
- Float_t zt=1.9*(yp-yn)/7.0-is6*kDeltaZ5to6;
- Float_t yt=is6*(kStartXzero-(285*yp + 1045*yn)/140000.0) + kDeltaXzero5or6;
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
- if (TMath::Abs(yt)<fHwSSD+0.1)
- if (TMath::Abs(zt)<fHlSSD+0.15) {
+ if (TMath::Abs(xt)<hwSSD+0.1)
+ if (TMath::Abs(zt)<hlSSD+0.15) {
// tag 1Dcluster (eventually will produce low quality recpoint)
if (cnegative[i]==0) pos[i].SetNd(100); // not available pair
if (cpositive[j]==0) neg[j].SetNd(100); // not available pair
- negativepair[i*10+cnegative[i]] =j; //index
- positivepair[j*10+cpositive[j]] =i;
- cnegative[i]++; //counters
- cpositive[j]++;
- fgPairs[i*nn+j]=100;
+ Int_t in = i*10+cnegative[i];
+ Int_t ip = j*10+cpositive[j];
+ if ((in < 10*np) && (ip < 10*nn)) {
+ negativepair[in] =j; //index
+ positivepair[ip] =i;
+ cnegative[i]++; //counters
+ cpositive[j]++;
+ fgPairs[i*nn+j]=100;
+ }
+ else
+ AliError(Form("Index out of range: ip=%d, in=%d",ip,in));
}
}
}
+ */
//
- Float_t lp[5];
+ Float_t lp[6];
Int_t milab[10];
Double_t ratio;
- static AliITSRecoParam *repa = NULL;
- if(!repa){
- repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
- if(!repa){
- repa = AliITSRecoParam::GetHighFluxParam();
- AliWarning("Using default AliITSRecoParam class");
- }
- }
-
if(repa->GetUseChargeMatchingInClusterFinderSSD()==kTRUE) {
// sign gold tracks
//
for (Int_t ip=0;ip<np;ip++){
- Float_t ybest=1000,zbest=1000,qbest=0;
+ Float_t xbest=1000,zbest=1000,qbest=0;
//
// select gold clusters
if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){
}
ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
+ //cout<<"ratio="<<ratio<<endl;
// charge matching (note that if posQ or negQ is 0 -> ratio=1 and the following condition is met
if (TMath::Abs(ratio)>0.2) continue; // note: 0.2=3xsigma_ratio calculated in cosmics tests
//
- Float_t yn=neg[j].GetY();
-
- Float_t zt=1.9*(yp-yn)/7.0-is6*kDeltaZ5to6;
- Float_t yt=is6*(kStartXzero-(285*yp + 1045*yn)/140000.0) + kDeltaXzero5or6;
-
- ybest=yt; zbest=zt;
+ Float_t yn=neg[j].GetY();
+
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ xbest=xt; zbest=zt;
qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
- if( (pos[ip].GetQ()==0)||(neg[ip].GetQ()==0)) qbest*=2; // in case of bad strips on one side keep all charge from the other one
+ if( (pos[ip].GetQ()==0)||(neg[j].GetQ()==0)) qbest*=2; // in case of bad strips on one side keep all charge from the other one
{
- Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
+ Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
mT2L->MasterToLocal(loc,trk);
lp[0]=trk[1];
lp[1]=trk[2];
}
- lp[2]=0.0025*0.0025; //SigmaY2
- lp[3]=0.110*0.110; //SigmaZ2
-
lp[4]=qbest; //Q
for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
for (Int_t ilab=0;ilab<3;ilab++){
CheckLabels2(milab);
milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
- AliITSRecPoint * cl2;
-
- if(clusters){ // Note clusters != 0 when method is called for rawdata
-
-
- cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
-
- cl2->SetChargeRatio(ratio);
- cl2->SetType(1);
- fgPairs[ip*nn+j]=1;
- if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
- cl2->SetType(2);
- fgPairs[ip*nn+j]=2;
+ lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
+ lp[3]=0.012; // 0.110*0.110; //SigmaZ2
+ // out-of-diagonal element of covariance matrix
+ if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
+ else if ( (info[0]>1) && (info[1]>1) ) {
+ lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
+ lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
+ lp[5]=-6.48e-05;
+ }
+ else {
+ lp[2]=4.80e-06; // 0.00219*0.00219
+ lp[3]=0.0093; // 0.0964*0.0964;
+ if (info[0]==1) {
+ lp[5]=-0.00014;
+ }
+ else {
+ lp[2]=2.79e-06; // 0.0017*0.0017;
+ lp[3]=0.00935; // 0.967*0.967;
+ lp[5]=-4.32e-05;
}
-
- if(pos[ip].GetQ()==0) cl2->SetType(3);
- if(neg[ip].GetQ()==0) cl2->SetType(4);
-
- cused1[ip]++;
- cused2[j]++;
-
}
- else{ // Note clusters == 0 when method is called for digits
-
- cl2 = new AliITSRecPoint(milab,lp,info);
+
+ AliITSRecPoint * cl2;
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(1);
- fgPairs[ip*nn+j]=1;
+ cl2->SetChargeRatio(ratio);
+ cl2->SetType(1);
+ fgPairs[ip*nn+j]=1;
- if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
- cl2->SetType(2);
- fgPairs[ip*nn+j]=2;
- }
+ if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
+ cl2->SetType(2);
+ fgPairs[ip*nn+j]=2;
+ }
- if(pos[ip].GetQ()==0) cl2->SetType(3);
- if(neg[ip].GetQ()==0) cl2->SetType(4);
+ if(pos[ip].GetQ()==0) cl2->SetType(3);
+ if(neg[j].GetQ()==0) cl2->SetType(4);
- cused1[ip]++;
- cused2[j]++;
+ cused1[ip]++;
+ cused2[j]++;
- fDetTypeRec->AddRecPoint(*cl2);
- }
- ncl++;
+ ncl++;
}
}
for (Int_t ip=0;ip<np;ip++){
- Float_t ybest=1000,zbest=1000,qbest=0;
+ Float_t xbest=1000,zbest=1000,qbest=0;
//
//
// select "silber" cluster
if (ip2==ip) ip2 = positivepair[10*in+1];
Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ();
- if ( (TMath::Abs(pcharge-neg[in].GetQ())<30) && (pcharge!=0) ) { //
+
+
+ ratio = (pcharge-neg[in].GetQ())/(pcharge+neg[in].GetQ());
+ if ( (TMath::Abs(ratio)<0.2) && (pcharge!=0) ) {
+ //if ( (TMath::Abs(pcharge-neg[in].GetQ())<30) && (pcharge!=0) ) { //
//
// add first pair
if ( (fgPairs[ip*nn+in]==100)&&(pos[ip].GetQ() ) ) { //
Float_t yp=pos[ip].GetY();
- Float_t yn=neg[in].GetY();
-
- Float_t zt=1.9*(yp-yn)/7.0-is6*kDeltaZ5to6;
- Float_t yt=is6*(kStartXzero-(285*yp + 1045*yn)/140000.0) + kDeltaXzero5or6;
- ybest =yt; zbest=zt;
-
+ Float_t yn=neg[in].GetY();
+
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ xbest=xt; zbest=zt;
qbest =pos[ip].GetQ();
- Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
+ Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
mT2L->MasterToLocal(loc,trk);
lp[0]=trk[1];
lp[1]=trk[2];
- lp[2]=0.0025*0.0025; //SigmaY2
- lp[3]=0.110*0.110; //SigmaZ2
-
lp[4]=qbest; //Q
for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
for (Int_t ilab=0;ilab<3;ilab++){
milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det
Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
- AliITSRecPoint * cl2;
- if(clusters){
-
- cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
+ lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
+ lp[3]=0.012; // 0.110*0.110; //SigmaZ2
+ // out-of-diagonal element of covariance matrix
+ if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
+ else if ( (info[0]>1) && (info[1]>1) ) {
+ lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
+ lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
+ lp[5]=-6.48e-05;
+ }
+ else {
+ lp[2]=4.80e-06; // 0.00219*0.00219
+ lp[3]=0.0093; // 0.0964*0.0964;
+ if (info[0]==1) {
+ lp[5]=-0.00014;
+ }
+ else {
+ lp[2]=2.79e-06; // 0.0017*0.0017;
+ lp[3]=0.00935; // 0.967*0.967;
+ lp[5]=-4.32e-05;
+ }
+ }
+
+ AliITSRecPoint * cl2;
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
cl2->SetChargeRatio(ratio);
cl2->SetType(5);
fgPairs[ip*nn+in] = 5;
cl2->SetType(6);
fgPairs[ip*nn+in] = 6;
}
- }
- else{
- cl2 = new AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(5);
- fgPairs[ip*nn+in] = 5;
- if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
- cl2->SetType(6);
- fgPairs[ip*nn+in] = 6;
- }
-
- fDetTypeRec->AddRecPoint(*cl2);
- }
ncl++;
}
if ( (fgPairs[ip2*nn+in]==100) && (pos[ip2].GetQ()) ) {
Float_t yp=pos[ip2].GetY();
- Float_t yn=neg[in].GetY();
-
- Float_t zt=1.9*(yp-yn)/7.0-is6*kDeltaZ5to6;
- Float_t yt=is6*(kStartXzero-(285*yp + 1045*yn)/140000.0) + kDeltaXzero5or6;
- ybest =yt; zbest=zt;
+ Float_t yn=neg[in].GetY();
+
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ xbest=xt; zbest=zt;
qbest =pos[ip2].GetQ();
- Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
+ Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
mT2L->MasterToLocal(loc,trk);
lp[0]=trk[1];
lp[1]=trk[2];
- lp[2]=0.0025*0.0025; //SigmaY2
- lp[3]=0.110*0.110; //SigmaZ2
-
lp[4]=qbest; //Q
for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
for (Int_t ilab=0;ilab<3;ilab++){
milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det
Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
+ lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
+ lp[3]=0.012; // 0.110*0.110; //SigmaZ2
+ // out-of-diagonal element of covariance matrix
+ if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
+ else if ( (info[0]>1) && (info[1]>1) ) {
+ lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
+ lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
+ lp[5]=-6.48e-05;
+ }
+ else {
+ lp[2]=4.80e-06; // 0.00219*0.00219
+ lp[3]=0.0093; // 0.0964*0.0964;
+ if (info[0]==1) {
+ lp[5]=-0.00014;
+ }
+ else {
+ lp[2]=2.79e-06; // 0.0017*0.0017;
+ lp[3]=0.00935; // 0.967*0.967;
+ lp[5]=-4.32e-05;
+ }
+ }
+
AliITSRecPoint * cl2;
- if(clusters){
- cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
cl2->SetChargeRatio(ratio);
cl2->SetType(5);
cl2->SetType(6);
fgPairs[ip2*nn+in] =6;
}
- }
- else{
- cl2 = new AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(5);
- fgPairs[ip2*nn+in] =5;
- if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
- cl2->SetType(6);
- fgPairs[ip2*nn+in] =6;
- }
-
- fDetTypeRec->AddRecPoint(*cl2);
- }
ncl++;
}
//
for (Int_t jn=0;jn<nn;jn++){
if (cused2[jn]) continue;
- Float_t ybest=1000,zbest=1000,qbest=0;
+ Float_t xbest=1000,zbest=1000,qbest=0;
// select "silber" cluster
if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){
Int_t ip = positivepair[10*jn];
Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ();
//
+
+ ratio = (pcharge-pos[ip].GetQ())/(pcharge+pos[ip].GetQ());
+ if ( (TMath::Abs(ratio)<0.2) && (pcharge!=0) ) {
+
+ /*
if ( (TMath::Abs(pcharge-pos[ip].GetQ())<30) && // charge matching
(pcharge!=0) ) { // reject combinations of bad strips
-
+ */
+
+
//
// add first pair
// if (!(cused1[ip]||cused2[jn])){
if ( (fgPairs[ip*nn+jn]==100) && (neg[jn].GetQ()) ) { //
Float_t yn=neg[jn].GetY();
- Float_t yp=pos[ip].GetY();
-
- Float_t zt=1.9*(yp-yn)/7.0-is6*kDeltaZ5to6;
- Float_t yt=is6*(kStartXzero-(285*yp + 1045*yn)/140000.0) + kDeltaXzero5or6;
-
- ybest =yt; zbest=zt;
+ Float_t yp=pos[ip].GetY();
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ xbest=xt; zbest=zt;
qbest =neg[jn].GetQ();
{
- Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
+ Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
mT2L->MasterToLocal(loc,trk);
lp[0]=trk[1];
lp[1]=trk[2];
}
- lp[2]=0.0025*0.0025; //SigmaY2
- lp[3]=0.110*0.110; //SigmaZ2
lp[4]=qbest; //Q
for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det
Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fModule]};
- AliITSRecPoint * cl2;
- if(clusters){
- cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
+ lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
+ lp[3]=0.012; // 0.110*0.110; //SigmaZ2
+ // out-of-diagonal element of covariance matrix
+ if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
+ else if ( (info[0]>1) && (info[1]>1) ) {
+ lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
+ lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
+ lp[5]=-6.48e-05;
+ }
+ else {
+ lp[2]=4.80e-06; // 0.00219*0.00219
+ lp[3]=0.0093; // 0.0964*0.0964;
+ if (info[0]==1) {
+ lp[5]=-0.00014;
+ }
+ else {
+ lp[2]=2.79e-06; // 0.0017*0.0017;
+ lp[3]=0.00935; // 0.967*0.967;
+ lp[5]=-4.32e-05;
+ }
+ }
- cl2->SetChargeRatio(ratio);
- cl2->SetType(7);
- fgPairs[ip*nn+jn] =7;
- if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
- cl2->SetType(8);
- fgPairs[ip*nn+jn]=8;
- }
+ AliITSRecPoint * cl2;
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
- }
- else{
- cl2 = new AliITSRecPoint(milab,lp,info);
cl2->SetChargeRatio(ratio);
cl2->SetType(7);
fgPairs[ip*nn+jn] =7;
cl2->SetType(8);
fgPairs[ip*nn+jn]=8;
}
-
- fDetTypeRec->AddRecPoint(*cl2);
- }
ncl++;
}
//
Float_t yn=neg[jn2].GetY();
Double_t yp=pos[ip].GetY();
- Double_t zt=1.9*(yp-yn)/7.0-is6*kDeltaZ5to6;
- Double_t yt=is6*(kStartXzero-(285*yp + 1045*yn)/140000.0) + kDeltaXzero5or6;
-
- ybest =yt; zbest=zt;
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ xbest=xt; zbest=zt;
qbest =neg[jn2].GetQ();
{
- Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
+ Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
mT2L->MasterToLocal(loc,trk);
lp[0]=trk[1];
lp[1]=trk[2];
}
- lp[2]=0.0025*0.0025; //SigmaY2
- lp[3]=0.110*0.110; //SigmaZ2
-
+
lp[4]=qbest; //Q
for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
for (Int_t ilab=0;ilab<3;ilab++){
ratio = (pos[ip].GetQ()-neg[jn2].GetQ())/(pos[ip].GetQ()+neg[jn2].GetQ());
milab[3]=(((ip<<10) + jn2)<<10) + idet; // pos|neg|det
Int_t info[3] = {pos[ip].GetNd(),neg[jn2].GetNd(),fNlayer[fModule]};
+
+ lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
+ lp[3]=0.012; // 0.110*0.110; //SigmaZ2
+ // out-of-diagonal element of covariance matrix
+ if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
+ else if ( (info[0]>1) && (info[1]>1) ) {
+ lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
+ lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
+ lp[5]=-6.48e-05;
+ }
+ else {
+ lp[2]=4.80e-06; // 0.00219*0.00219
+ lp[3]=0.0093; // 0.0964*0.0964;
+ if (info[0]==1) {
+ lp[5]=-0.00014;
+ }
+ else {
+ lp[2]=2.79e-06; // 0.0017*0.0017;
+ lp[3]=0.00935; // 0.967*0.967;
+ lp[5]=-4.32e-05;
+ }
+ }
+
AliITSRecPoint * cl2;
- if(clusters){
- cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
cl2->SetChargeRatio(ratio);
cl2->SetType(8);
fgPairs[ip*nn+jn2]=8;
}
-
- }
- else{
- cl2 = new AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- fgPairs[ip*nn+jn2]=7;
- cl2->SetType(7);
- if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
- cl2->SetType(8);
- fgPairs[ip*nn+jn2]=8;
- }
-
- fDetTypeRec->AddRecPoint(*cl2);
- }
-
ncl++;
}
cused1[ip]++;
for (Int_t ip=0;ip<np;ip++){
- Float_t ybest=1000,zbest=1000,qbest=0;
+
+ if(cused1[ip]) continue;
+
+
+ Float_t xbest=1000,zbest=1000,qbest=0;
//
// 2x2 clusters
//
- if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){
+ if ( (cnegative[ip]==2) && cpositive[negativepair[10*ip]]==2){
Float_t minchargediff =4.;
+ Float_t minchargeratio =0.2;
+
Int_t j=-1;
for (Int_t di=0;di<cnegative[ip];di++){
Int_t jc = negativepair[ip*10+di];
Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
- if (TMath::Abs(chargedif)<minchargediff){
+ ratio = (pos[ip].GetQ()-neg[jc].GetQ())/(pos[ip].GetQ()+neg[jc].GetQ());
+ //if (TMath::Abs(chargedif)<minchargediff){
+ if (TMath::Abs(ratio)<0.2){
j =jc;
minchargediff = TMath::Abs(chargedif);
+ minchargeratio = TMath::Abs(ratio);
}
}
if (j<0) continue; // not proper cluster
+
Int_t count =0;
for (Int_t di=0;di<cnegative[ip];di++){
Int_t jc = negativepair[ip*10+di];
if (fgPairs[ip*nn+j]<100) continue;
//
+
+
//almost gold clusters
Float_t yp=pos[ip].GetY();
- Float_t yn=neg[j].GetY();
-
- Float_t zt=1.9*(yp-yn)/7.0-is6*kDeltaZ5to6;
- Float_t yt=is6*(kStartXzero-(285*yp + 1045*yn)/140000.0) + kDeltaXzero5or6;
-
- ybest=yt; zbest=zt;
+ Float_t yn=neg[j].GetY();
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+ xbest=xt; zbest=zt;
qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
-
{
- Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
+ Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
mT2L->MasterToLocal(loc,trk);
lp[0]=trk[1];
lp[1]=trk[2];
}
- lp[2]=0.0025*0.0025; //SigmaY2
- lp[3]=0.110*0.110; //SigmaZ2
lp[4]=qbest; //Q
for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
for (Int_t ilab=0;ilab<3;ilab++){
ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
+
+ lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
+ lp[3]=0.012; // 0.110*0.110; //SigmaZ2
+ // out-of-diagonal element of covariance matrix
+ if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
+ else if ( (info[0]>1) && (info[1]>1) ) {
+ lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
+ lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
+ lp[5]=-6.48e-05;
+ }
+ else {
+ lp[2]=4.80e-06; // 0.00219*0.00219
+ lp[3]=0.0093; // 0.0964*0.0964;
+ if (info[0]==1) {
+ lp[5]=-0.00014;
+ }
+ else {
+ lp[2]=2.79e-06; // 0.0017*0.0017;
+ lp[3]=0.00935; // 0.967*0.967;
+ lp[5]=-4.32e-05;
+ }
+ }
+
AliITSRecPoint * cl2;
- if(clusters){
- cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
cl2->SetChargeRatio(ratio);
cl2->SetType(10);
}
cused1[ip]++;
cused2[j]++;
+ ncl++;
+
+ } // 2X2
+ } // loop over Pside 1Dclusters
+
+
+
+ for (Int_t ip=0;ip<np;ip++){
+
+ if(cused1[ip]) continue;
+
+
+ Float_t xbest=1000,zbest=1000,qbest=0;
+ //
+ // manyxmany clusters
+ //
+ if ( (cnegative[ip]<5) && cpositive[negativepair[10*ip]]<5){
+ Float_t minchargediff =4.;
+ Int_t j=-1;
+ for (Int_t di=0;di<cnegative[ip];di++){
+ Int_t jc = negativepair[ip*10+di];
+ Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
+ if (TMath::Abs(chargedif)<minchargediff){
+ j =jc;
+ minchargediff = TMath::Abs(chargedif);
+ }
}
- else{
- cl2 = new AliITSRecPoint(milab,lp,info);
+ if (j<0) continue; // not proper cluster
+
+ Int_t count =0;
+ for (Int_t di=0;di<cnegative[ip];di++){
+ Int_t jc = negativepair[ip*10+di];
+ Float_t chargedif = pos[ip].GetQ()-neg[jc].GetQ();
+ if (TMath::Abs(chargedif)<minchargediff+3.) count++;
+ }
+ if (count>1) continue; // more than one "proper" cluster for positive
+ //
+
+ count =0;
+ for (Int_t dj=0;dj<cpositive[j];dj++){
+ Int_t ic = positivepair[j*10+dj];
+ Float_t chargedif = pos[ic].GetQ()-neg[j].GetQ();
+ if (TMath::Abs(chargedif)<minchargediff+3.) count++;
+ }
+ if (count>1) continue; // more than one "proper" cluster for negative
+
+ Int_t jp = 0;
+
+ count =0;
+ for (Int_t dj=0;dj<cnegative[jp];dj++){
+ Int_t ic = positivepair[jp*10+dj];
+ Float_t chargedif = pos[ic].GetQ()-neg[jp].GetQ();
+ if (TMath::Abs(chargedif)<minchargediff+4.) count++;
+ }
+ if (count>1) continue;
+ if (fgPairs[ip*nn+j]<100) continue;
+ //
+
+ //almost gold clusters
+ Float_t yp=pos[ip].GetY();
+ Float_t yn=neg[j].GetY();
+
+
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ xbest=xt; zbest=zt;
+
+ qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
+
+ {
+ Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
+ mT2L->MasterToLocal(loc,trk);
+ lp[0]=trk[1];
+ lp[1]=trk[2];
+ }
+ lp[4]=qbest; //Q
+ for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
+ for (Int_t ilab=0;ilab<3;ilab++){
+ milab[ilab] = pos[ip].GetLabel(ilab);
+ milab[ilab+3] = neg[j].GetLabel(ilab);
+ }
+ //
+ CheckLabels2(milab);
+ if ((neg[j].GetQ()==0)&&(pos[ip].GetQ()==0)) continue; // reject crosses of bad strips!!
+ ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
+ milab[3]=(((ip<<10) + j)<<10) + idet; // pos|neg|det
+ Int_t info[3] = {pos[ip].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
+
+ lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
+ lp[3]=0.012; // 0.110*0.110; //SigmaZ2
+ // out-of-diagonal element of covariance matrix
+ if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
+ else if ( (info[0]>1) && (info[1]>1) ) {
+ lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
+ lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
+ lp[5]=-6.48e-05;
+ }
+ else {
+ lp[2]=4.80e-06; // 0.00219*0.00219
+ lp[3]=0.0093; // 0.0964*0.0964;
+ if (info[0]==1) {
+ lp[5]=-0.00014;
+ }
+ else {
+ lp[2]=2.79e-06; // 0.0017*0.0017;
+ lp[3]=0.00935; // 0.967*0.967;
+ lp[5]=-4.32e-05;
+ }
+ }
+ //
+ if (fRawID2ClusID) { // set rawID <-> clusterID correspondence for embedding
+ const int kMaxRefRW = 200;
+ UInt_t nrefsRW,refsRW[kMaxRefRW];
+ nrefsRW = fRawIDRef[0].GetReferences(j,refsRW,kMaxRefRW); // n-side
+ for (int ir=nrefsRW;ir--;) {
+ int rwid = (int)refsRW[ir];
+ if (fRawID2ClusID->GetSize()<=rwid) fRawID2ClusID->Set( (rwid+10)<<1 );
+ (*fRawID2ClusID)[rwid] = fNClusters+1; // RS: store clID+1 as a reference to the cluster
+ }
+ //
+ nrefsRW = fRawIDRef[1].GetReferences(ip,refsRW,kMaxRefRW); // p-side
+ for (int ir=nrefsRW;ir--;) {
+ int rwid = (int)refsRW[ir];
+ if (fRawID2ClusID->GetSize()<=rwid) fRawID2ClusID->Set( (rwid+10)<<1 );
+ (*fRawID2ClusID)[rwid] = fNClusters+1; // RS: store clID+1 as a reference to the cluster
+ }
+ //
+ milab[0] = fNClusters+1; // RS: assign id as cluster label
+ }
+
+ AliITSRecPoint * cl2;
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
+
cl2->SetChargeRatio(ratio);
- cl2->SetType(10);
- fgPairs[ip*nn+j]=10;
+ cl2->SetType(12);
+ fgPairs[ip*nn+j]=12;
if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
- cl2->SetType(11);
- fgPairs[ip*nn+j]=11;
+ cl2->SetType(13);
+ fgPairs[ip*nn+j]=13;
}
cused1[ip]++;
cused2[j]++;
-
- fDetTypeRec->AddRecPoint(*cl2);
- }
- ncl++;
+ ncl++;
+ fNClusters++;
} // manyXmany
} // loop over Pside 1Dclusters
-
} // use charge matching
// recover all the other crosses
//
for (Int_t i=0; i<np; i++) {
- Float_t ybest=1000,zbest=1000,qbest=0;
+ Float_t xbest=1000,zbest=1000,qbest=0;
Float_t yp=pos[i].GetY();
if ((pos[i].GetQ()>0)&&(pos[i].GetQ()<3)) continue;
for (Int_t j=0; j<nn; j++) {
ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ());
Float_t yn=neg[j].GetY();
- Float_t zt=1.9*(yp-yn)/7.0-is6*kDeltaZ5to6;
- Float_t yt=is6*(kStartXzero-(285*yp + 1045*yn)/140000.0) + kDeltaXzero5or6;
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
- if (TMath::Abs(yt)<fHwSSD+0.01)
- if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
- ybest=yt; zbest=zt;
+ if (TMath::Abs(xt)<hwSSD)
+ if (TMath::Abs(zt)<hlSSD) {
+ xbest=xt; zbest=zt;
+
qbest=0.5*(pos[i].GetQ()+neg[j].GetQ());
{
- Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
+ Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
mT2L->MasterToLocal(loc,trk);
lp[0]=trk[1];
lp[1]=trk[2];
}
- lp[2]=0.0025*0.0025; //SigmaY2
- lp[3]=0.110*0.110; //SigmaZ2
-
lp[4]=qbest; //Q
for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
for (Int_t ilab=0;ilab<3;ilab++){
CheckLabels2(milab);
milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det
Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fModule]};
+
+ lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
+ lp[3]=0.012; // 0.110*0.110; //SigmaZ2
+ // out-of-diagonal element of covariance matrix
+ if( (info[0]==1) && (info[1]==1) ) lp[5]=-0.00012;
+ else if ( (info[0]>1) && (info[1]>1) ) {
+ lp[2]=2.63e-06; // 0.0016*0.0016; //SigmaY2
+ lp[3]=0.0065; // 0.08*0.08; //SigmaZ2
+ lp[5]=-6.48e-05;
+ }
+ else {
+ lp[2]=4.80e-06; // 0.00219*0.00219
+ lp[3]=0.0093; // 0.0964*0.0964;
+ if (info[0]==1) {
+ lp[5]=-0.00014;
+ }
+ else {
+ lp[2]=2.79e-06; // 0.0017*0.0017;
+ lp[3]=0.00935; // 0.967*0.967;
+ lp[5]=-4.32e-05;
+ }
+ }
+
AliITSRecPoint * cl2;
- if(clusters){
- cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
cl2->SetChargeRatio(ratio);
cl2->SetType(100+cpositive[j]+cnegative[i]);
if(pos[i].GetQ()==0) cl2->SetType(200+cpositive[j]+cnegative[i]);
if(neg[j].GetQ()==0) cl2->SetType(300+cpositive[j]+cnegative[i]);
-
- }
- else{
- cl2 = new AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(100+cpositive[j]+cnegative[i]);
-
- if(pos[i].GetQ()==0) cl2->SetType(200+cpositive[j]+cnegative[i]);
- if(neg[j].GetQ()==0) cl2->SetType(300+cpositive[j]+cnegative[i]);
-
- fDetTypeRec->AddRecPoint(*cl2);
- }
ncl++;
}
}
}
+
+
+ if(repa->GetUseBadChannelsInClusterFinderSSD()==kTRUE) {
+
+ //---------------------------------------------------------
+ // recover crosses of good 1D clusters with bad strips on the other side
+ // Note1: at first iteration skip modules with a bad side (or almost), (would produce too many fake!)
+ // Note2: for modules with a bad side see below
+
+ AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)GetResp(fModule);
+ Int_t countPbad=0, countNbad=0;
+ for(Int_t ib=0; ib<768; ib++) {
+ if(cal->IsPChannelBad(ib)) countPbad++;
+ if(cal->IsNChannelBad(ib)) countNbad++;
+ }
+ // AliInfo(Form("module %d has %d P- and %d N-bad strips",fModule,countPbad,countNbad));
+
+ if( (countPbad<100) && (countNbad<100) ) { // no bad side!!
+
+ for (Int_t i=0; i<np; i++) { // loop over Nside 1Dclusters with no crosses
+ if(cnegative[i]) continue; // if intersecting Pside clusters continue;
+
+ // for(Int_t ib=0; ib<768; ib++) { // loop over all Pstrips
+ for(Int_t ib=15; ib<753; ib++) { // loop over all Pstrips
+
+ if(cal->IsPChannelBad(ib)) { // check if strips is bad
+ Float_t yN=pos[i].GetY();
+ Float_t xt, zt;
+ seg->GetPadCxz(1.*ib, yN, xt, zt);
+
+ //----------
+ // bad Pstrip is crossing the Nside 1Dcluster -> create recpoint
+ //
+ if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
+ Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
+ mT2L->MasterToLocal(loc,trk);
+ lp[0]=trk[1];
+ lp[1]=trk[2];
+ lp[4]=pos[i].GetQ(); //Q
+ for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
+ for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = pos[i].GetLabel(ilab);
+ CheckLabels2(milab);
+ milab[3]=( (i<<10) << 10 ) + idet; // pos|neg|det
+ Int_t info[3] = {pos[i].GetNd(),0,fNlayer[fModule]};
+
+ lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
+ lp[3]=0.012; // 0.110*0.110; //SigmaZ2
+ lp[5]=-0.00012; // out-of-diagonal element of covariance matrix
+ if (info[0]>1) {
+ lp[2]=4.80e-06;
+ lp[3]=0.0093;
+ lp[5]=0.00014;
+ }
+
+ AliITSRecPoint * cl2;
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
+ cl2->SetChargeRatio(1.);
+ cl2->SetType(50);
+ ncl++;
+ } // cross is within the detector
+ //
+ //--------------
+
+ } // bad Pstrip
+
+ } // end loop over Pstrips
+
+ } // end loop over Nside 1D clusters
+
+ for (Int_t j=0; j<nn; j++) { // loop over Pside 1D clusters with no crosses
+ if(cpositive[j]) continue;
+
+ // for(Int_t ib=0; ib<768; ib++) { // loop over all Nside strips
+ for(Int_t ib=15; ib<753; ib++) { // loop over all Nside strips
+
+ if(cal->IsNChannelBad(ib)) { // check if strip is bad
+ Float_t yP=neg[j].GetY();
+ Float_t xt, zt;
+ seg->GetPadCxz(yP, 1.*ib, xt, zt);
+
+ //----------
+ // bad Nstrip is crossing the Pside 1Dcluster -> create recpoint
+ //
+ if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
+ Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
+ mT2L->MasterToLocal(loc,trk);
+ lp[0]=trk[1];
+ lp[1]=trk[2];
+ lp[4]=neg[j].GetQ(); //Q
+ for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
+ for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = neg[j].GetLabel(ilab);
+ CheckLabels2(milab);
+ milab[3]=( j << 10 ) + idet; // pos|neg|det
+ Int_t info[3]={0,(Int_t)neg[j].GetNd(),fNlayer[fModule]};
+
+ lp[2]=4.968e-06; // 0.00223*0.00223; //SigmaY2
+ lp[3]=0.012; // 0.110*0.110; //SigmaZ2
+ lp[5]=-0.00012; // out-of-diagonal element of covariance matrix
+ if (info[0]>1) {
+ lp[2]=2.79e-06;
+ lp[3]=0.00935;
+ lp[5]=-4.32e-05;
+ }
+
+ AliITSRecPoint * cl2;
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
+ cl2->SetChargeRatio(1.);
+ cl2->SetType(60);
+ ncl++;
+ } // cross is within the detector
+ //
+ //--------------
+
+ } // bad Nstrip
+ } // end loop over Nstrips
+ } // end loop over Pside 1D clusters
+
+ } // no bad sides
+
+ //---------------------------------------------------------
+
+ else if( (countPbad>700) && (countNbad<100) ) { // bad Pside!!
+
+ for (Int_t i=0; i<np; i++) { // loop over Nside 1Dclusters with no crosses
+ if(cnegative[i]) continue; // if intersecting Pside clusters continue;
+
+ Float_t xt, zt;
+ Float_t yN=pos[i].GetY();
+ Float_t yP=0.;
+ if (seg->GetLayer()==5) yP = yN + (7.6/1.9);
+ else yP = yN - (7.6/1.9);
+ seg->GetPadCxz(yP, yN, xt, zt);
+
+ if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
+ Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
+ mT2L->MasterToLocal(loc,trk);
+ lp[0]=trk[1];
+ lp[1]=trk[2];
+ lp[4]=pos[i].GetQ(); //Q
+ for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
+ for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = pos[i].GetLabel(ilab);
+ CheckLabels2(milab);
+ milab[3]=( (i<<10) << 10 ) + idet; // pos|neg|det
+ Int_t info[3] = {(Int_t)pos[i].GetNd(),0,fNlayer[fModule]};
+
+ lp[2]=0.00098; // 0.031*0.031; //SigmaY2
+ lp[3]=1.329; // 1.15*1.15; //SigmaZ2
+ lp[5]=-0.0359;
+ if(info[0]>1) lp[2]=0.00097;
+
+ AliITSRecPoint * cl2;
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
+ cl2->SetChargeRatio(1.);
+ cl2->SetType(70);
+ ncl++;
+ } // cross is within the detector
+ //
+ //--------------
+
+ } // end loop over Nside 1D clusters
+
+ } // bad Pside module
+
+ else if( (countNbad>700) && (countPbad<100) ) { // bad Nside!!
+
+ for (Int_t j=0; j<nn; j++) { // loop over Pside 1D clusters with no crosses
+ if(cpositive[j]) continue;
+
+ Float_t xt, zt;
+ Float_t yP=neg[j].GetY();
+ Float_t yN=0.;
+ if (seg->GetLayer()==5) yN = yP - (7.6/1.9);
+ else yN = yP + (7.6/1.9);
+ seg->GetPadCxz(yP, yN, xt, zt);
+
+ if ( (TMath::Abs(xt)<hwSSD) && (TMath::Abs(zt)<hlSSD) ) {
+ Double_t loc[3]={xt,0.,zt},trk[3]={0.,0.,0.};
+ mT2L->MasterToLocal(loc,trk);
+ lp[0]=trk[1];
+ lp[1]=trk[2];
+ lp[4]=neg[j].GetQ(); //Q
+ for (Int_t ilab=0;ilab<10;ilab++) milab[ilab]=-2;
+ for (Int_t ilab=0;ilab<3;ilab++) milab[ilab] = neg[j].GetLabel(ilab);
+ CheckLabels2(milab);
+ milab[3]=( j << 10 ) + idet; // pos|neg|det
+ Int_t info[3] = {0,(Int_t)neg[j].GetNd(),fNlayer[fModule]};
+
+ lp[2]=7.27e-05; // 0.0085*0.0085; //SigmaY2
+ lp[3]=1.33; // 1.15*1.15; //SigmaZ2
+ lp[5]=0.00931;
+ if(info[1]>1) lp[2]=6.91e-05;
+
+ AliITSRecPoint * cl2;
+ cl2 = new ((*clusters)[ncl]) AliITSRecPoint(milab,lp,info);
+ cl2->SetChargeRatio(1.);
+ cl2->SetType(80);
+ ncl++;
+ } // cross is within the detector
+ //
+ //--------------
+
+ } // end loop over Pside 1D clusters
+
+ } // bad Nside module
+
+ //---------------------------------------------------------
+
+ } // use bad channels
+
+ //cout<<ncl<<" clusters for this module"<<endl;
+
+ delete [] cnegative;
+ delete [] cused1;
+ delete [] negativepair;
+ delete [] cpositive;
+ delete [] cused2;
+ delete [] positivepair;
+
}