/**************************************************************************
- * Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
+ * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
* *
* Author: The ALICE Off-line Project. *
* Contributors are mentioned in the code where appropriate. *
* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
+
+/* $Id$ */
+
////////////////////////////////////////////////////////////////////////////
// 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
// //
///////////////////////////////////////////////////////////////////////////
+#include <Riostream.h>
+
#include "AliITSClusterFinderV2SSD.h"
#include "AliITSRecPoint.h"
#include "AliITSRawStreamSSD.h"
#include <TClonesArray.h>
#include "AliITSdigitSSD.h"
+#include "AliITSReconstructor.h"
+#include "AliITSCalibrationSSD.h"
+#include "AliITSsegmentationSSD.h"
-ClassImp(AliITSClusterFinderV2SSD)
+Short_t *AliITSClusterFinderV2SSD::fgPairs = 0x0;
+Int_t AliITSClusterFinderV2SSD::fgPairsSize = 0;
+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){
- //Default constructor
+AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(AliITSDetTypeRec* dettyp):AliITSClusterFinder(dettyp),
+fLastSSD1(AliITSgeomTGeo::GetModuleIndex(6,1,1)-1)
+{
+//Default constructor
}
+//______________________________________________________________________
+AliITSClusterFinderV2SSD::AliITSClusterFinderV2SSD(const AliITSClusterFinderV2SSD &cf) : AliITSClusterFinder(cf), fLastSSD1(cf.fLastSSD1)
+{
+ // Copy constructor
+}
+
+//______________________________________________________________________
+AliITSClusterFinderV2SSD& AliITSClusterFinderV2SSD::operator=(const AliITSClusterFinderV2SSD& cf ){
+ // Assignment operator
+
+ this->~AliITSClusterFinderV2SSD();
+ new(this) AliITSClusterFinderV2SSD(cf);
+ return *this;
+}
+
void AliITSClusterFinderV2SSD::FindRawClusters(Int_t mod){
//------------------------------------------------------------
// Actual SSD cluster finder
//------------------------------------------------------------
+
+ static AliITSRecoParam *repa = NULL;
+
+
+ if(!repa){
+ repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
+ if(!repa){
+ repa = AliITSRecoParam::GetHighFluxParam();
+ AliWarning("Using default AliITSRecoParam class");
+ }
+ }
+
+ AliITSCalibrationSSD* cal = (AliITSCalibrationSSD*)GetResp(fModule);
+ Float_t gain=0;
+
Int_t smaxall=alldigits->GetEntriesFast();
if (smaxall==0) return;
- TObjArray *digits = new TObjArray;
+ // TObjArray *digits = new TObjArray;
+ TObjArray digits;
for (Int_t i=0;i<smaxall; i++){
AliITSdigitSSD *d=(AliITSdigitSSD*)alldigits->UncheckedAt(i);
- Float_t q=d->GetSignal()/4.29;// temp. fix (for PID purposed - normalis. to be checked)
+
+ 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)
+ q=cal->ADCToKeV(q); // converts the charge in KeV from ADC units
d->SetSignal(Int_t(q));
+
if (d->GetSignal()<3) continue;
- digits->AddLast(d);
+ digits.AddLast(d);
}
- Int_t smax = digits->GetEntriesFast();
+ Int_t smax = digits.GetEntriesFast();
if (smax==0) return;
const Int_t kMax=1000;
Float_t y=0., q=0., qmax=0.;
Int_t lab[4]={-2,-2,-2,-2};
- AliITSdigitSSD *d=(AliITSdigitSSD*)digits->UncheckedAt(0);
+ AliITSdigitSSD *d=(AliITSdigitSSD*)digits.UncheckedAt(0);
q += d->GetSignal();
y += d->GetCoord2()*d->GetSignal();
qmax=d->GetSignal();
milab[0]=d->GetTrack(0); milab[1]=d->GetTrack(1); milab[2]=d->GetTrack(2);
for (Int_t s=1; s<smax; s++) {
- d=(AliITSdigitSSD*)digits->UncheckedAt(s);
+ d=(AliITSdigitSSD*)digits.UncheckedAt(s);
Int_t strip=d->GetCoord2();
if ((strip-curr) > 1 || flag!=d->GetCoord1()) {
c[*n].SetY(y/q);
c[*n].SetNd(nd);
CheckLabels2(milab);
c[*n].SetLabels(milab);
- //Split suspiciously big cluster
- /*
- if (nd>10&&nd<16){
- c[*n].SetY(y/q-0.3*nd);
- c[*n].SetQ(0.5*q);
- (*n)++;
- if (*n==MAX) {
- Error("FindClustersSSD","Too many 1D clusters !");
- return;
- }
- c[*n].SetY(y/q-0.0*nd);
- c[*n].SetQ(0.5*q);
- c[*n].SetNd(nd);
- (*n)++;
- if (*n==MAX) {
- Error("FindClustersSSD","Too many 1D clusters !");
- return;
- }
- //
- c[*n].SetY(y/q+0.3*nd);
- c[*n].SetQ(0.5*q);
- c[*n].SetNd(nd);
- c[*n].SetLabels(milab);
- }
- else{
- */
- 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+0.25*nd);
- c[*n].SetQ(0.5*q);
- c[*n].SetNd(nd);
- c[*n].SetLabels(milab);
- }
+
+ if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
+
+ //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+0.25*nd);
+ c[*n].SetQ(0.5*q);
+ c[*n].SetNd(nd);
+ c[*n].SetLabels(milab);
+ }
+
+ } // unfolding is on
+
(*n)++;
if (*n==kMax) {
Error("FindClustersSSD","Too many 1D clusters !");
c[*n].SetQ(q);
c[*n].SetNd(nd);
c[*n].SetLabels(lab);
- //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) {
+
+ if(repa->GetUseUnfoldingInClusterFinderSSD()==kTRUE) {
+
+ //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+0.25*nd);
- 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 !");
}
-void AliITSClusterFinderV2SSD::FindClustersSSD(AliITSRawStream* input,
+void AliITSClusterFinderV2SSD::FindClustersSSD(AliITSRawStreamSSD* input,
TClonesArray** clusters)
{
//------------------------------------------------------------
// Actual SSD cluster finder for raw data
//------------------------------------------------------------
+
+ static AliITSRecoParam *repa = NULL;
+ if(!repa){
+ repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
+ if(!repa){
+ repa = AliITSRecoParam::GetHighFluxParam();
+ AliWarning("Using default AliITSRecoParam class");
+ }
+ }
+
Int_t nClustersSSD = 0;
const Int_t kMax = 1000;
Ali1Dcluster clusters1D[2][kMax];
Float_t q = 0.;
Float_t y = 0.;
Int_t nDigits = 0;
- Int_t prevStrip = -1;
- Int_t prevFlag = -1;
- Int_t prevModule = -1;
+ 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
while (kTRUE) {
- Bool_t next = input->Next();
-
- if(input->GetSignal()<(3*4.29) && next) continue;
- // check if a new cluster starts
- Int_t strip = input->GetCoord2();
- Int_t flag = input->GetCoord1();
- if ((!next || (input->GetModuleID() != prevModule)||
- (strip-prevStrip > 1) || (flag != prevFlag)) &&
- (nDigits > 0)) {
- if (nClusters[prevFlag] == kMax) {
- Error("FindClustersSSD", "Too many 1D clusters !");
- return;
+
+ // 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)&&(ostrip>0)&&(ostrip<1536)) {
+ n++;
+ matrix[oadc][ostrip] = osignal; // recover data from previous occurence of input->Next()
+ }
+
+ // 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)&&(strip>0)&&(strip<1536)) {n++; matrix[adc][strip] = signal;}
+ else {if ((strip<1536) && (strip>0)) {oddl=iddl; oad=iad; oadc = adc; ostrip = strip; osignal=signal; iddl=ddl; iad=ad; break;}}
+
+ if(!next) {oddl=iddl; oad=iad; oadc = adc; ostrip = strip; osignal=signal; iddl=ddl; iad=ad; break;}
+ //break;
+ }
+
+ // 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;
+
}
- Ali1Dcluster& cluster = clusters1D[prevFlag][nClusters[prevFlag]++];
- cluster.SetY(y/q);
- cluster.SetQ(q);
- cluster.SetNd(nDigits);
- cluster.SetLabels(lab);
-
- //Split suspiciously big cluster
- if (nDigits > 4&&nDigits < 25) {
- cluster.SetY(y/q - 0.25*nDigits);
- cluster.SetQ(0.5*q);
- if (nClusters[prevFlag] == kMax) {
- Error("FindClustersSSD", "Too many 1D clusters !");
- return;
+ */
+
+ Int_t istrip=0;
+ for(istrip=0; istrip<768; istrip++) { // P-side
+
+ Int_t signal = TMath::Abs(matrix[iadc][istrip]);
+
+ 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
+
+ // if(cal->IsPChannelBad(istrip)) signal=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;
+ }
+
+ else if(first) {
+
+ if ( ( (nDigits==1) && ( (q==0) || (q>5*oldnoise)) ) || (nDigits>1) ) {
+
+ 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);
+
+ 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;
}
- Ali1Dcluster& cluster2 = clusters1D[prevFlag][nClusters[prevFlag]++];
- cluster2.SetY(y/q + 0.25*nDigits);
- cluster2.SetQ(0.5*q);
- cluster2.SetNd(nDigits);
- cluster2.SetLabels(lab);
+
+ } // 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]++];
+
+ 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;
}
- y = q = 0.;
- nDigits = 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;
+ }
+ */
+
+ oldnoise = 0.;
+ noise = 0.;
+ Int_t strip=0;
+ for(Int_t iistrip=768; iistrip<1536; iistrip++) { // N-side
+
+ 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 (!next || (input->GetModuleID() != prevModule)) {
- Int_t iModule = prevModule;
+ 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;
+ }
+
+ 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);
+
+ 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
+
+ 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);
- // when all data from a module was read, search for clusters
- if (prevFlag >= 0) {
+ 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
+ }
+
+ 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 nClusters = clusters[iModule]->GetEntriesFast();
- nClustersSSD += nClusters;
+ Int_t nClustersn = clusters[iModule]->GetEntriesFast();
+ nClustersSSD += nClustersn;
}
- if (!next) break;
nClusters[0] = nClusters[1] = 0;
y = q = 0.;
nDigits = 0;
- }
- // add digit to current cluster
- q += input->GetSignal()/4.29;
- y += strip * input->GetSignal()/4.29;
- nDigits++;
- prevStrip = strip;
- prevFlag = flag;
- prevModule = input->GetModuleID();
+ } // loop over adc
+ if(!next) break;
}
-
+
Info("FindClustersSSD", "found clusters in ITS SSD: %d", nClustersSSD);
}
//------------------------------------------------------------
// Actual SSD cluster finder
//------------------------------------------------------------
+
+ const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(fModule);
+
TClonesArray &cl=*clusters;
- //
- Float_t tanp=fTanP, tann=fTanN;
- if (fModule>fLastSSD1) {tann=fTanP; tanp=fTanN;}
+
+ AliITSsegmentationSSD *seg = dynamic_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;}
- static Short_t pairs[1000][1000];
- memset(pairs,0,sizeof(Short_t)*1000000);
-// Short_t ** pairs = new Short_t*[1000];
-// for (Int_t i=0; i<1000; i++) {
-// pairs[i] = new Short_t[1000];
-// memset(pairs[i],0,sizeof(Short_t)*1000);
-// }
+ 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;
+ fgPairs = new Short_t[fgPairsSize];
+ }
+ memset(fgPairs,0,sizeof(Short_t)*np*nn);
+
//
// find available pairs
//
for (Int_t i=0; i<np; i++) {
- Float_t yp=pos[i].GetY()*fYpitchSSD;
- if (pos[i].GetQ()<3) continue;
+ Float_t yp=pos[i].GetY();
+ if ( (pos[i].GetQ()>0) && (pos[i].GetQ()<3) ) continue;
for (Int_t j=0; j<nn; j++) {
- if (neg[j].GetQ()<3) continue;
- Float_t yn=neg[j].GetY()*fYpitchSSD;
- Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
- Float_t yt=yn + tann*zt;
- zt-=fHlSSD; yt-=fHwSSD;
- if (TMath::Abs(yt)<fHwSSD+0.01)
- if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
+ if ( (neg[j].GetQ()>0) && (neg[j].GetQ()<3) ) continue;
+ Float_t yn=neg[j].GetY();
+
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ if (TMath::Abs(xt)<hwSSD+0.01)
+ if (TMath::Abs(zt)<hlSSD+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]++;
- pairs[i][j]=100;
+ fgPairs[i*nn+j]=100;
}
}
}
+
+ //
+ // try to recover points out of but close to the module boundaries
//
for (Int_t i=0; i<np; i++) {
- Float_t yp=pos[i].GetY()*fYpitchSSD;
- if (pos[i].GetQ()<3) continue;
+ Float_t yp=pos[i].GetY();
+ if ( (pos[i].GetQ()>0) && (pos[i].GetQ()<3) ) continue;
for (Int_t j=0; j<nn; j++) {
- if (neg[j].GetQ()<3) continue;
+ 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()*fYpitchSSD;
- Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
- Float_t yt=yn + tann*zt;
- zt-=fHlSSD; yt-=fHwSSD;
- if (TMath::Abs(yt)<fHwSSD+0.1)
- if (TMath::Abs(zt)<fHlSSD+0.15) {
+ Float_t yn=neg[j].GetY();
+
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ 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]++;
- pairs[i][j]=100;
+ fgPairs[i*nn+j]=100;
}
}
}
+
//
Float_t lp[5];
Int_t milab[10];
Double_t ratio;
- //
- // sign gold tracks
- //
- for (Int_t ip=0;ip<np;ip++){
- Float_t ybest=1000,zbest=1000,qbest=0;
+
+ static AliITSRecoParam *repa = NULL;
+ if(!repa){
+ repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
+ if(!repa){
+ repa = AliITSRecoParam::GetHighFluxParam();
+ AliWarning("Using default AliITSRecoParam class");
+ }
+ }
+
+ if(repa->GetUseChargeMatchingInClusterFinderSSD()==kTRUE) {
+
+
//
- // select gold clusters
- if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){
- Float_t yp=pos[ip].GetY()*fYpitchSSD;
- Int_t j = negativepair[10*ip];
- ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
- //
- Float_t yn=neg[j].GetY()*fYpitchSSD;
- Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
- Float_t yt=yn + tann*zt;
- zt-=fHlSSD; yt-=fHwSSD;
- ybest=yt; zbest=zt;
- qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
- lp[0]=-(-ybest+fYshift[fModule]);
- lp[1]= -zbest+fZshift[fModule];
- 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[ilab] = pos[ip].GetLabel(ilab);
- milab[ilab+3] = neg[j].GetLabel(ilab);
- }
+ // sign gold tracks
+ //
+ for (Int_t ip=0;ip<np;ip++){
+ Float_t xbest=1000,zbest=1000,qbest=0;
//
- 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){
- cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(1);
- pairs[ip][j]=1;
- if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
- cl2->SetType(2);
- pairs[ip][j]=2;
+ // select gold clusters
+ if ( (cnegative[ip]==1) && cpositive[negativepair[10*ip]]==1){
+ Float_t yp=pos[ip].GetY();
+ Int_t j = negativepair[10*ip];
+
+ if( (pos[ip].GetQ()==0) && (neg[j].GetQ() ==0) ) {
+ // both bad, hence continue;
+ // mark both as used (to avoid recover at the end)
+ cused1[ip]++;
+ cused2[j]++;
+ continue;
}
- cused1[ip]++;
- cused2[j]++;
+
+ ratio = (pos[ip].GetQ()-neg[j].GetQ())/(pos[ip].GetQ()+neg[j].GetQ());
+
+ // 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();
- }
- else{
- cl2 = new AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(1);
- pairs[ip][j]=1;
- if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
- cl2->SetType(2);
- pairs[ip][j]=2;
+ 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
+
+ {
+ Double_t loc[3]={xbest,0.,zbest},trk[3]={0.,0.,0.};
+ mT2L->MasterToLocal(loc,trk);
+ lp[0]=trk[1];
+ lp[1]=trk[2];
}
- cused1[ip]++;
- cused2[j]++;
- fDetTypeRec->AddRecPoint(*cl2);
+ 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[ilab] = pos[ip].GetLabel(ilab);
+ milab[ilab+3] = neg[j].GetLabel(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;
+ }
+
+ 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);
+
+ 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].GetQ()==0) cl2->SetType(3);
+ if(neg[ip].GetQ()==0) cl2->SetType(4);
+
+ 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;
- //
- //
- // select "silber" cluster
- if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){
- Int_t in = negativepair[10*ip];
- Int_t ip2 = positivepair[10*in];
- if (ip2==ip) ip2 = positivepair[10*in+1];
- Float_t pcharge = pos[ip].GetQ()+pos[ip2].GetQ();
- if (TMath::Abs(pcharge-neg[in].GetQ())<10){
- //
- // add first pair
- if (pairs[ip][in]==100){ //
- Float_t yp=pos[ip].GetY()*fYpitchSSD;
- Float_t yn=neg[in].GetY()*fYpitchSSD;
- Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
- Float_t yt=yn + tann*zt;
- zt-=fHlSSD; yt-=fHwSSD;
- ybest =yt; zbest=zt;
- qbest =pos[ip].GetQ();
- lp[0]=-(-ybest+fYshift[fModule]);
- lp[1]= -zbest+fZshift[fModule];
- lp[2]=0.0025*0.0025; //SigmaY2
- lp[3]=0.110*0.110; //SigmaZ2
+ for (Int_t ip=0;ip<np;ip++){
+ Float_t xbest=1000,zbest=1000,qbest=0;
+ //
+ //
+ // select "silber" cluster
+ if ( cnegative[ip]==1 && cpositive[negativepair[10*ip]]==2){
+ Int_t in = negativepair[10*ip];
+ Int_t ip2 = positivepair[10*in];
+ 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) ) { //
- 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[in].GetLabel(ilab);
- }
//
- CheckLabels2(milab);
- ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ());
- milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det
- Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
+ // 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 xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ xbest=xt; zbest=zt;
- AliITSRecPoint * cl2;
- if(clusters){
- cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(5);
- pairs[ip][in] = 5;
- if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
- cl2->SetType(6);
- pairs[ip][in] = 6;
- }
- }
- else{
- cl2 = new AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(5);
- pairs[ip][in] = 5;
- if ((pos[ip].GetNd()+neg[in].GetNd())>6){ //multi cluster
- cl2->SetType(6);
- pairs[ip][in] = 6;
+ qbest =pos[ip].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[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[ilab] = pos[ip].GetLabel(ilab);
+ milab[ilab+3] = neg[in].GetLabel(ilab);
}
+ //
+ CheckLabels2(milab);
+ ratio = (pos[ip].GetQ()-neg[in].GetQ())/(pos[ip].GetQ()+neg[in].GetQ());
+ milab[3]=(((ip<<10) + in)<<10) + idet; // pos|neg|det
+ Int_t info[3] = {pos[ip].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
- fDetTypeRec->AddRecPoint(*cl2);
+ AliITSRecPoint * cl2;
+ if(clusters){
+
+ cl2 = new (cl[ncl]) 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;
+ }
+ }
+ 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++;
}
- ncl++;
- }
-
- //
- // add second pair
-
- // if (!(cused1[ip2] || cused2[in])){ //
- if (pairs[ip2][in]==100){
- Float_t yp=pos[ip2].GetY()*fYpitchSSD;
- Float_t yn=neg[in].GetY()*fYpitchSSD;
- Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
- Float_t yt=yn + tann*zt;
- zt-=fHlSSD; yt-=fHwSSD;
- ybest =yt; zbest=zt;
- qbest =pos[ip2].GetQ();
- lp[0]=-(-ybest+fYshift[fModule]);
- lp[1]= -zbest+fZshift[fModule];
- 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[ilab] = pos[ip2].GetLabel(ilab);
- milab[ilab+3] = neg[in].GetLabel(ilab);
- }
+
//
- CheckLabels2(milab);
- ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ());
- milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det
- Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
+ // add second pair
- AliITSRecPoint * cl2;
- if(clusters){
- cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(5);
- pairs[ip2][in] =5;
- if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
- cl2->SetType(6);
- pairs[ip2][in] =6;
+ // if (!(cused1[ip2] || cused2[in])){ //
+ if ( (fgPairs[ip2*nn+in]==100) && (pos[ip2].GetQ()) ) {
+
+ Float_t yp=pos[ip2].GetY();
+ 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]={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[ilab] = pos[ip2].GetLabel(ilab);
+ milab[ilab+3] = neg[in].GetLabel(ilab);
}
- }
- else{
- cl2 = new AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(5);
- pairs[ip2][in] =5;
- if ((pos[ip2].GetNd()+neg[in].GetNd())>6){ //multi cluster
- cl2->SetType(6);
- pairs[ip2][in] =6;
+ //
+ CheckLabels2(milab);
+ ratio = (pos[ip2].GetQ()-neg[in].GetQ())/(pos[ip2].GetQ()+neg[in].GetQ());
+ milab[3]=(((ip2<<10) + in)<<10) + idet; // pos|neg|det
+ Int_t info[3] = {pos[ip2].GetNd(),neg[in].GetNd(),fNlayer[fModule]};
+
+ AliITSRecPoint * cl2;
+ if(clusters){
+ cl2 = new (cl[ncl]) 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);
+ 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++;
}
- ncl++;
- }
- cused1[ip]++;
- cused1[ip2]++;
- cused2[in]++;
- }
- }
- }
+
+ cused1[ip]++;
+ cused1[ip2]++;
+ cused2[in]++;
- //
- for (Int_t jn=0;jn<nn;jn++){
- if (cused2[jn]) continue;
- Float_t ybest=1000,zbest=1000,qbest=0;
- // select "silber" cluster
- if ( cpositive[jn]==1 && cnegative[positivepair[10*jn]]==2){
- Int_t ip = positivepair[10*jn];
- Int_t jn2 = negativepair[10*ip];
- if (jn2==jn) jn2 = negativepair[10*ip+1];
- Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ();
- //
- if (TMath::Abs(pcharge-pos[ip].GetQ())<10){
+ } // charge matching condition
+
+ } // 2 Pside cross 1 Nside
+ } // loop over Pside clusters
+
+
+
+ //
+ for (Int_t jn=0;jn<nn;jn++){
+ if (cused2[jn]) continue;
+ 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];
+ Int_t jn2 = negativepair[10*ip];
+ if (jn2==jn) jn2 = negativepair[10*ip+1];
+ Float_t pcharge = neg[jn].GetQ()+neg[jn2].GetQ();
//
- // add first pair
- // if (!(cused1[ip]||cused2[jn])){
- if (pairs[ip][jn]==100){
- Float_t yn=neg[jn].GetY()*fYpitchSSD;
- Float_t yp=pos[ip].GetY()*fYpitchSSD;
- Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
- Float_t yt=yn + tann*zt;
- zt-=fHlSSD; yt-=fHwSSD;
- ybest =yt; zbest=zt;
- qbest =neg[jn].GetQ();
- lp[0]=-(-ybest+fYshift[fModule]);
- lp[1]= -zbest+fZshift[fModule];
+
+ 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 xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ xbest=xt; zbest=zt;
+
+ qbest =neg[jn].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[2]=0.0025*0.0025; //SigmaY2
lp[3]=0.110*0.110; //SigmaZ2
AliITSRecPoint * cl2;
if(clusters){
cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
+
cl2->SetChargeRatio(ratio);
cl2->SetType(7);
- pairs[ip][jn] =7;
+ fgPairs[ip*nn+jn] =7;
if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
cl2->SetType(8);
- pairs[ip][jn]=8;
+ fgPairs[ip*nn+jn]=8;
}
}
cl2 = new AliITSRecPoint(milab,lp,info);
cl2->SetChargeRatio(ratio);
cl2->SetType(7);
- pairs[ip][jn] =7;
+ fgPairs[ip*nn+jn] =7;
if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
cl2->SetType(8);
- pairs[ip][jn]=8;
+ fgPairs[ip*nn+jn]=8;
}
fDetTypeRec->AddRecPoint(*cl2);
//
// add second pair
// if (!(cused1[ip]||cused2[jn2])){
- if (pairs[ip][jn2]==100){
- Float_t yn=neg[jn2].GetY()*fYpitchSSD;
- Double_t yp=pos[ip].GetY()*fYpitchSSD;
- Double_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
- Double_t yt=yn + tann*zt;
- zt-=fHlSSD; yt-=fHwSSD;
- ybest =yt; zbest=zt;
+ if ( (fgPairs[ip*nn+jn2]==100)&&(neg[jn2].GetQ() ) ) { //
+
+ Float_t yn=neg[jn2].GetY();
+ Double_t yp=pos[ip].GetY();
+
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ xbest=xt; zbest=zt;
+
qbest =neg[jn2].GetQ();
- lp[0]=-(-ybest+fYshift[fModule]);
- lp[1]= -zbest+fZshift[fModule];
+
+ {
+ 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
AliITSRecPoint * cl2;
if(clusters){
cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
+
+
cl2->SetChargeRatio(ratio);
- pairs[ip][jn2]=7;
+ fgPairs[ip*nn+jn2]=7;
cl2->SetType(7);
if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
cl2->SetType(8);
- pairs[ip][jn2]=8;
+ fgPairs[ip*nn+jn2]=8;
}
}
else{
cl2 = new AliITSRecPoint(milab,lp,info);
cl2->SetChargeRatio(ratio);
- pairs[ip][jn2]=7;
+ fgPairs[ip*nn+jn2]=7;
cl2->SetType(7);
if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
cl2->SetType(8);
- pairs[ip][jn2]=8;
+ fgPairs[ip*nn+jn2]=8;
}
-
+
fDetTypeRec->AddRecPoint(*cl2);
}
cused1[ip]++;
cused2[jn]++;
cused2[jn2]++;
- }
- }
- }
+
+ } // charge matching condition
+
+ } // 2 Nside cross 1 Pside
+ } // loop over Pside clusters
+
- for (Int_t ip=0;ip<np;ip++){
- Float_t ybest=1000,zbest=1000,qbest=0;
- //
- // 2x2 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);
- }
- }
- 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 (pairs[ip][j]<100) continue;
+
+ for (Int_t ip=0;ip<np;ip++){
+ Float_t xbest=1000,zbest=1000,qbest=0;
//
- //almost gold clusters
- Float_t yp=pos[ip].GetY()*fYpitchSSD;
- Float_t yn=neg[j].GetY()*fYpitchSSD;
- Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
- Float_t yt=yn + tann*zt;
- zt-=fHlSSD; yt-=fHwSSD;
- ybest=yt; zbest=zt;
- qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
- lp[0]=-(-ybest+fYshift[fModule]);
- lp[1]= -zbest+fZshift[fModule];
- 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[ilab] = pos[ip].GetLabel(ilab);
- milab[ilab+3] = neg[j].GetLabel(ilab);
- }
+ // 2x2 clusters
//
- CheckLabels2(milab);
- 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]};
- AliITSRecPoint * cl2;
- if(clusters){
- cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(10);
- pairs[ip][j]=10;
- if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
- cl2->SetType(11);
- pairs[ip][j]=11;
+ 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);
+ }
}
- cused1[ip]++;
- cused2[j]++;
- }
- else{
- cl2 = new AliITSRecPoint(milab,lp,info);
- cl2->SetChargeRatio(ratio);
- cl2->SetType(10);
- pairs[ip][j]=10;
- if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
- cl2->SetType(11);
- pairs[ip][j]=11;
+ 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++;
}
- cused1[ip]++;
- cused2[j]++;
+ if (count>1) continue; // more than one "proper" cluster for positive
+ //
- fDetTypeRec->AddRecPoint(*cl2);
- }
- ncl++;
- }
+ 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[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[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]};
+ AliITSRecPoint * cl2;
+ if(clusters){
+ cl2 = new (cl[ncl]) AliITSRecPoint(milab,lp,info);
+
+ cl2->SetChargeRatio(ratio);
+ cl2->SetType(10);
+ fgPairs[ip*nn+j]=10;
+ if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
+ cl2->SetType(11);
+ fgPairs[ip*nn+j]=11;
+ }
+ cused1[ip]++;
+ cused2[j]++;
+ }
+ else{
+ cl2 = new AliITSRecPoint(milab,lp,info);
+ cl2->SetChargeRatio(ratio);
+ cl2->SetType(10);
+ fgPairs[ip*nn+j]=10;
+ if ((pos[ip].GetNd()+neg[j].GetNd())>6){ //multi cluster
+ cl2->SetType(11);
+ fgPairs[ip*nn+j]=11;
+ }
+ cused1[ip]++;
+ cused2[j]++;
+
+ fDetTypeRec->AddRecPoint(*cl2);
+ }
+ ncl++;
+
+ } // 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 yp=pos[i].GetY()*fYpitchSSD;
- if (pos[i].GetQ()<3) continue;
+ 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++) {
// for (Int_t di = 0;di<cpositive[i];di++){
// Int_t j = negativepair[10*i+di];
- if (neg[j].GetQ()<3) continue;
+ if ((neg[j].GetQ()>0)&&(neg[j].GetQ()<3)) continue;
+
+ if ((neg[j].GetQ()==0)&&(pos[i].GetQ()==0)) continue; // reject crosses of bad strips!!
+
if (cused2[j]||cused1[i]) continue;
- if (pairs[i][j]>0 &&pairs[i][j]<100) continue;
+ if (fgPairs[i*nn+j]>0 &&fgPairs[i*nn+j]<100) continue;
ratio = (pos[i].GetQ()-neg[j].GetQ())/(pos[i].GetQ()+neg[j].GetQ());
- Float_t yn=neg[j].GetY()*fYpitchSSD;
- Float_t zt=(2*fHlSSD*tanp + yp - yn)/(tann+tanp);
- Float_t yt=yn + tann*zt;
- zt-=fHlSSD; yt-=fHwSSD;
- if (TMath::Abs(yt)<fHwSSD+0.01)
- if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
- ybest=yt; zbest=zt;
+ Float_t yn=neg[j].GetY();
+
+ Float_t xt, zt;
+ seg->GetPadCxz(yn, yp, xt, zt);
+
+ if (TMath::Abs(xt)<hwSSD+0.01)
+ if (TMath::Abs(zt)<hlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
+ xbest=xt; zbest=zt;
+
qbest=0.5*(pos[i].GetQ()+neg[j].GetQ());
- lp[0]=-(-ybest+fYshift[fModule]);
- lp[1]= -zbest+fZshift[fModule];
+
+ {
+ 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
AliITSRecPoint * cl2;
if(clusters){
cl2 = new (cl[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++;
- //cl2->SetType(0);
- /*
- if (pairs[i][j]<100){
- printf("problem:- %d\n", pairs[i][j]);
- }
- if (cnegative[i]<2&&cpositive[j]<2){
- printf("problem:- %d\n", pairs[i][j]);
- }
- */
}
}
}
-
-// for (Int_t i=0; i<1000; i++) delete [] pairs[i];
-// delete [] pairs;
+ delete [] cnegative;
+ delete [] cused1;
+ delete [] negativepair;
+ delete [] cpositive;
+ delete [] cused2;
+ delete [] positivepair;
}
-
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff