//
// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
//-------------------------------------------------------------------------
-//uncomment the line below for running with V1 cluster finder classes
-//#define V1
+
#include "AliRun.h"
#include "AliITSclustererV2.h"
#include "AliITSclusterV2.h"
+#include "AliITSDetTypeRec.h"
#include "AliRawReader.h"
#include "AliITSRawStreamSPD.h"
#include "AliITSRawStreamSDD.h"
#include <TFile.h>
#include <TTree.h>
#include <TClonesArray.h>
-#include "AliITSgeom.h"
-#include "AliITSdigit.h"
+#include "AliITSgeomTGeo.h"
+#include "AliITSdigitSPD.h"
+#include "AliITSdigitSDD.h"
+#include "AliITSdigitSSD.h"
#include "AliMC.h"
ClassImp(AliITSclustererV2)
extern AliRun *gAlice;
-AliITSclustererV2::AliITSclustererV2(const AliITSgeom *geom) {
+AliITSclustererV2::AliITSclustererV2():
+fNModules(0),
+fEvent(0),
+fI(0),
+fLastSPD1(0),
+fNySPD(0),
+fNzSPD(0),
+fYpitchSPD(0),
+fZ1pitchSPD(0),
+fZ2pitchSPD(0),
+fHwSPD(0),
+fHlSPD(0),
+fNySDD(0),
+fNzSDD(0),
+fYpitchSDD(0),
+fZpitchSDD(0),
+fHwSDD(0),
+fHlSDD(0),
+fYoffSDD(0),
+fLastSSD1(0),
+fYpitchSSD(0),
+fHwSSD(0),
+fHlSSD(0),
+fTanP(0),
+fTanN(0){
+ //default constructor
+ }
+AliITSclustererV2::AliITSclustererV2(const Char_t *geom):
+fNModules(AliITSgeomTGeo::GetNModules()),
+fEvent(0),
+fI(0),
+fLastSPD1(AliITSgeomTGeo::GetModuleIndex(2,1,1)-1),
+fNySPD(256),
+fNzSPD(160),
+fYpitchSPD(0.0050),
+fZ1pitchSPD(0.0425),
+fZ2pitchSPD(0.0625),
+fHwSPD(0.64),
+fHlSPD(3.48),
+fNySDD(256),
+fNzSDD(256),
+fYpitchSDD(0.01825),
+fZpitchSDD(0.02940),
+fHwSDD(3.5085),
+fHlSDD(3.7632),
+fYoffSDD(0.0425),
+fLastSSD1(AliITSgeomTGeo::GetModuleIndex(6,1,1)-1),
+fYpitchSSD(0.0095),
+fHwSSD(3.65),
+fHlSSD(2.00),
+fTanP(0.0275),
+fTanN(0.0075) {
//------------------------------------------------------------
// Standard constructor
//------------------------------------------------------------
- AliITSgeom *g=(AliITSgeom*)geom;
-
- fEvent=0;
- fI=0;
-
- Int_t mmax=geom->GetIndexMax();
- if (mmax>2200) {
- Fatal("AliITSclustererV2","Too many ITS subdetectors !");
+ if (geom) {
+ AliWarning("\"geom\" is actually a dummy argument !");
}
Int_t m;
- for (m=0; m<mmax; m++) {
- Int_t lay,lad,det; g->GetModuleId(m,lay,lad,det);
- Float_t x,y,z; g->GetTrans(lay,lad,det,x,y,z);
- Double_t rot[9]; g->GetRotMatrix(lay,lad,det,rot);
- fYshift[m] = x*rot[0] + y*rot[1];
- fZshift[m] = (Double_t)z;
- fNdet[m] = (lad-1)*g->GetNdetectors(lay) + (det-1);
+ for (m=0; m<fNModules; m++) {
+ Int_t lay,lad,det; AliITSgeomTGeo::GetModuleId(m,lay,lad,det);
+ const TGeoHMatrix *tm=AliITSgeomTGeo::GetTracking2LocalMatrix(m);
+ fYshift[m] = (tm->Inverse()).GetTranslation()[1];
+ fZshift[m] = (tm->Inverse()).GetTranslation()[2];
+ fNdet[m] = (lad-1)*AliITSgeomTGeo::GetNDetectors(lay) + (det-1);
+ fNlayer[m] = lay-1;
}
- fNModules = g->GetIndexMax();
//SPD geometry
- fLastSPD1=g->GetModuleIndex(2,1,1)-1;
- fNySPD=256; fNzSPD=160;
- fYpitchSPD=0.0050;
- fZ1pitchSPD=0.0425; fZ2pitchSPD=0.0625;
- fHwSPD=0.64; fHlSPD=3.48;
fYSPD[0]=0.5*fYpitchSPD;
for (m=1; m<fNySPD; m++) fYSPD[m]=fYSPD[m-1]+fYpitchSPD;
fZSPD[0]=fZ1pitchSPD;
fZSPD[m]-=dz;
}
- //SDD geometry
- fNySDD=256; fNzSDD=256;
- fYpitchSDD=0.01825;
- fZpitchSDD=0.02940;
- fHwSDD=3.5085; fHlSDD=3.7632;
- fYoffSDD=0.0425;
-
- //SSD geometry
- fLastSSD1=g->GetModuleIndex(6,1,1)-1;
- fYpitchSSD=0.0095;
- fHwSSD=3.65;
- fHlSSD=2.00;
- fTanP=0.0275;
- fTanN=0.0075;
}
+
Int_t AliITSclustererV2::Digits2Clusters(TTree *dTree, TTree *cTree) {
//------------------------------------------------------------
// This function creates ITS clusters
else branch->SetAddress(&clusters);
Int_t mmax=(Int_t)dTree->GetEntries();
+ if (mmax!=fNModules) {
+ Error("Digits2Clusters","Number of entries != number of modules !");
+ return 1;
+ }
for (fI=0; fI<mmax; fI++) {
dTree->GetEvent(fI);
if (digitsSPD->GetEntriesFast()!=0)
- FindClustersSPD(digitsSPD,clusters);
- else if(digitsSDD->GetEntriesFast()!=0)
- FindClustersSDD(digitsSDD,clusters);
- else if(digitsSSD->GetEntriesFast()!=0)
- FindClustersSSD(digitsSSD,clusters);
-
+ FindClustersSPD(digitsSPD,clusters);
+ else
+ if(digitsSDD->GetEntriesFast()!=0)
+ FindClustersSDD(digitsSDD,clusters);
+ else if(digitsSSD->GetEntriesFast()!=0)
+ FindClustersSSD(digitsSSD,clusters);
+
ncl+=clusters->GetEntriesFast();
cTree->Fill();
Error("Digits2Clusters", "no run loader found");
return;
}
+ runLoader->LoadKinematics();
AliLoader* itsLoader = runLoader->GetLoader("ITSLoader");
if (!itsLoader) {
Error("Digits2Clusters", "no loader for ITS found");
// write all clusters to the tree
Int_t nClusters = 0;
+ TClonesArray *emptyArray=new TClonesArray("AliITSclusterV2");
for (Int_t iModule = 0; iModule < fNModules; iModule++) {
array = clusters[iModule];
if (!array) {
Error("Digits2Clusters", "data for module %d missing!", iModule);
- array = new TClonesArray("AliITSclusterV2");
+ array = emptyArray;
}
cTree->SetBranchAddress("Clusters", &array);
cTree->Fill();
nClusters += array->GetEntriesFast();
- delete array;
}
+ delete emptyArray;
+
itsLoader->WriteRecPoints("OVERWRITE");
delete[] clusters;
//**** Fast clusters *******************************
#include "TParticle.h"
-#include "AliITS.h"
+//#include "AliITS.h"
#include "AliITSmodule.h"
#include "AliITSRecPoint.h"
#include "AliITSsimulationFastPoints.h"
#include "AliITSRecPoint.h"
+
static void CheckLabels(Int_t lab[3]) {
//------------------------------------------------------------
// Tries to find mother's labels
//------------------------------------------------------------
+ AliRunLoader *rl = AliRunLoader::GetRunLoader();
+ TTree *trK=(TTree*)rl->TreeK();
+
+ if(trK){
Int_t label=lab[0];
if (label>=0) {
- TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label);
- label=-3;
- while (part->P() < 0.005) {
- Int_t m=part->GetFirstMother();
- if (m<0) {
- Info("CheckLabels","Primary momentum: %f",part->P());
- break;
- }
- if (part->GetStatusCode()>0) {
- Info("CheckLabels","Primary momentum: %f",part->P());
- break;
- }
- label=m;
- part=(TParticle*)gAlice->GetMCApp()->Particle(label);
- }
- if (lab[1]<0) lab[1]=label;
- else if (lab[2]<0) lab[2]=label;
- else ;//cerr<<"CheckLabels : No empty labels !\n";
+ TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label);
+ label=-3;
+ while (part->P() < 0.005) {
+ Int_t m=part->GetFirstMother();
+ if (m<0) {
+ Info("CheckLabels","Primary momentum: %f",part->P());
+ break;
+ }
+ if (part->GetStatusCode()>0) {
+ Info("CheckLabels","Primary momentum: %f",part->P());
+ break;
+ }
+ label=m;
+ part=(TParticle*)gAlice->GetMCApp()->Particle(label);
+ }
+ if (lab[1]<0) lab[1]=label;
+ else if (lab[2]<0) lab[2]=label;
+ else ;//cerr<<"CheckLabels : No empty labels !\n";
+ }
+ }
+}
+
+/*
+static void CheckLabels(Int_t lab[3]) {
+ //------------------------------------------------------------
+ // Tries to find mother's labels
+ //------------------------------------------------------------
+
+ if(lab[0]<0 && lab[1]<0 && lab[2]<0) return; // In case of no labels just exit
+
+ Int_t ntracks = gAlice->GetMCApp()->GetNtrack();
+ for (Int_t i=0;i<3;i++){
+ Int_t label = lab[i];
+ if (label>=0 && label<ntracks) {
+ TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label);
+ if (part->P() < 0.005) {
+ Int_t m=part->GetFirstMother();
+ if (m<0) {
+ continue;
+ }
+ if (part->GetStatusCode()>0) {
+ continue;
+ }
+ lab[i]=m;
+ }
+ }
+ }
+
+}
+*/
+static void CheckLabels2(Int_t lab[10]) {
+ //------------------------------------------------------------
+ // Tries to find mother's labels
+ //------------------------------------------------------------
+ AliRunLoader *rl = AliRunLoader::GetRunLoader();
+ TTree *trK=(TTree*)rl->TreeK();
+
+ if(trK){
+ Int_t nlabels =0;
+ for (Int_t i=0;i<10;i++) if (lab[i]>=0) nlabels++;
+ if(nlabels == 0) return; // In case of no labels just exit
+
+ Int_t ntracks = gAlice->GetMCApp()->GetNtrack();
+
+ for (Int_t i=0;i<10;i++){
+ Int_t label = lab[i];
+ if (label>=0 && label<ntracks) {
+ TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label);
+ if (part->P() < 0.02) {
+ Int_t m=part->GetFirstMother();
+ if (m<0) {
+ continue;
+ }
+ if (part->GetStatusCode()>0) {
+ continue;
+ }
+ lab[i]=m;
+ }
+ else
+ if (part->P() < 0.12 && nlabels>3) {
+ lab[i]=-2;
+ nlabels--;
+ }
+ }
+ else{
+ if ( (label>ntracks||label <0) && nlabels>3) {
+ lab[i]=-2;
+ nlabels--;
+ }
+ }
+ }
+ if (nlabels>3){
+ for (Int_t i=0;i<10;i++){
+ if (nlabels>3){
+ Int_t label = lab[i];
+ if (label>=0 && label<ntracks) {
+ TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label);
+ if (part->P() < 0.1) {
+ lab[i]=-2;
+ nlabels--;
+ }
+ }
+ }
+ }
+ }
+
+ //compress labels -- if multi-times the same
+ Int_t lab2[10];
+ for (Int_t i=0;i<10;i++) lab2[i]=-2;
+ for (Int_t i=0;i<10 ;i++){
+ if (lab[i]<0) continue;
+ for (Int_t j=0;j<10 &&lab2[j]!=lab[i];j++){
+ if (lab2[j]<0) {
+ lab2[j]= lab[i];
+ break;
+ }
+ }
+ }
+ for (Int_t j=0;j<10;j++) lab[j]=lab2[j];
+ }
+}
+
+static void AddLabel(Int_t lab[10], Int_t label) {
+// add label of the particle in the kine tree which originates this cluster
+// (used for reconstruction of MC data only, for comparison purposes)
+ AliRunLoader *rl = AliRunLoader::GetRunLoader();
+ TTree *trK=(TTree*)rl->TreeK();
+
+ if(trK){
+ if(label<0) return; // In case of no label just exit
+
+ Int_t ntracks = gAlice->GetMCApp()->GetNtrack();
+ if (label>ntracks) return;
+ for (Int_t i=0;i<10;i++){
+ // if (label<0) break;
+ if (lab[i]==label) break;
+ if (lab[i]<0) {
+ lab[i]= label;
+ break;
+ }
}
+ }
}
void AliITSclustererV2::RecPoints2Clusters
for (Int_t i=0; i<ncl; i++) {
AliITSRecPoint *p = (AliITSRecPoint *)points->UncheckedAt(i);
Float_t lp[5];
- lp[0]=-p->GetX()-fYshift[idx]; if (idx<=fLastSPD1) lp[0]*=-1; //SPD1
- lp[1]=p->GetZ()+fZshift[idx];
- lp[2]=p->GetSigmaX2();
+ lp[0]=-(-p->GetDetLocalX()+fYshift[idx]); if (idx<=fLastSPD1) lp[0]*=-1; //SPD1
+ lp[1]= -p->GetZ()+fZshift[idx];
+ lp[2]=p->GetSigmaDetLocX2();
lp[3]=p->GetSigmaZ2();
- lp[4]=p->GetQ();
+ lp[4]=p->GetQ()*36./23333.; //electrons -> ADC
Int_t lab[4];
lab[0]=p->GetLabel(0); lab[1]=p->GetLabel(1); lab[2]=p->GetLabel(2);
lab[3]=fNdet[idx];
CheckLabels(lab);
- new (cl[i]) AliITSclusterV2(lab,lp);
+ Int_t dummy[3]={0,0,0};
+ new (cl[i]) AliITSclusterV2(lab,lp, dummy);
}
}
-Int_t AliITSclustererV2::Hits2Clusters(TTree *hTree, TTree *cTree) {
- //------------------------------------------------------------
- // This function creates ITS clusters
- //------------------------------------------------------------
- if (!gAlice) {
- Error("Hits2Clusters","gAlice==0 !");
- return 1;
- }
-
- AliITS *its = (AliITS*)gAlice->GetModule("ITS");
- if (!its) {
- Error("Hits2Clusters","Can't find the ITS !");
- return 2;
- }
- AliITSgeom *geom=its->GetITSgeom();
- Int_t mmax=geom->GetIndexMax();
-
- its->InitModules(-1,mmax);
- its->FillModules(hTree,0);
-
- TClonesArray *clusters=new TClonesArray("AliITSclusterV2",1000);
- TBranch *branch=cTree->GetBranch("Clusters");
- if (!branch) cTree->Branch("Clusters",&clusters);
- else branch->SetAddress(&clusters);
-
- static TClonesArray *points=its->RecPoints();
- AliITSsimulationFastPoints sim;
- Int_t ncl=0;
- for (Int_t m=0; m<mmax; m++) {
- AliITSmodule *mod=its->GetModule(m);
- sim.CreateFastRecPoints(mod,m,gRandom);
-
- RecPoints2Clusters(points, m, clusters);
- its->ResetRecPoints();
-
- ncl+=clusters->GetEntriesFast();
- cTree->Fill();
- clusters->Clear();
- }
-
- Info("Hits2Clusters","Number of found fast clusters : %d",ncl);
-
- //cTree->Write();
-
- delete clusters;
-
- return 0;
-}
-
//***********************************
-#ifndef V1
void AliITSclustererV2::
FindCluster(Int_t k,Int_t maxz,AliBin *bins,Int_t &n,Int_t *idx) {
Info("FindClustersSPD","Too big cluster !");
continue;
}
- Int_t lab[4];
- lab[0]=-2;
- lab[1]=-2;
- lab[2]=-2;
- lab[3]=fNdet[fI];
+ Int_t milab[10];
+ for (Int_t ilab=0;ilab<10;ilab++){
+ milab[ilab]=-2;
+ }
d=(AliITSdigitSPD*)digits->UncheckedAt(idx[0]);
Int_t ymin=d->GetCoord2(),ymax=ymin;
Int_t zmin=d->GetCoord1(),zmax=zmin;
- Float_t y=0.,z=0.,q=0.;
+
for (Int_t l=0; l<ni; l++) {
d=(AliITSdigitSPD*)digits->UncheckedAt(idx[l]);
if (ymax < d->GetCoord2()) ymax=d->GetCoord2();
if (zmin > d->GetCoord1()) zmin=d->GetCoord1();
if (zmax < d->GetCoord1()) zmax=d->GetCoord1();
-
- Int_t lab0=(d->GetTracks())[0];
- if (lab0>=0) {
- if (lab[0]<0) {
- lab[0]=lab0;
- } else if (lab[1]<0) {
- if (lab0!=lab[0]) lab[1]=lab0;
- } else if (lab[2]<0) {
- if (lab0!=lab[0])
- if (lab0!=lab[1]) lab[2]=lab0;
- }
- }
- Float_t qq=d->GetSignal();
- y+=qq*fYSPD[d->GetCoord2()]; z+=qq*fZSPD[d->GetCoord1()]; q+=qq;
+ // MI addition - find all labels in cluster
+ for (Int_t dlab=0;dlab<10;dlab++){
+ Int_t digitlab = (d->GetTracks())[dlab];
+ if (digitlab<0) continue;
+ AddLabel(milab,digitlab);
+ }
+ if (milab[9]>0) CheckLabels2(milab);
}
- y/=q; z/=q;
- y-=fHwSPD; z-=fHlSPD;
-
- Float_t lp[5];
- lp[0]=-y-fYshift[fI]; if (fI<=fLastSPD1) lp[0]=-lp[0];
- lp[1]= z+fZshift[fI];
- lp[2]= fYpitchSPD*fYpitchSPD/12.;
- lp[3]= fZ1pitchSPD*fZ1pitchSPD/12.;
- //lp[4]= q;
- lp[4]= (zmax-zmin+1)*100 + (ymax-ymin+1);
-
- //CheckLabels(lab);
- d=(AliITSdigitSPD*)digits->UncheckedAt(idx[0]);
- new (cl[n]) AliITSclusterV2(lab,lp); n++;
+ CheckLabels2(milab);
+ //
+ //Int_t idy = (fNlayer[fI]==0)? 2:3;
+ //for (Int_t iz=zmin; iz<=zmax;iz+=2)
+ //Int_t idy = (ymax-ymin)/4.; // max 2 clusters
+ Int_t idy = 0; // max 2 clusters
+ if (fNlayer[fI]==0 &&idy<3) idy=3;
+ if (fNlayer[fI]==1 &&idy<4) idy=4;
+ Int_t idz =3;
+ for (Int_t iz=zmin; iz<=zmax;iz+=idz)
+ for (Int_t iy=ymin; iy<=ymax;iy+=idy){
+ //
+ Int_t ndigits =0;
+ Float_t y=0.,z=0.,q=0.;
+ for (Int_t l=0; l<ni; l++) {
+ d=(AliITSdigitSPD*)digits->UncheckedAt(idx[l]);
+ if (zmax-zmin>=idz || ymax-ymin>=idy){
+ if (TMath::Abs( d->GetCoord2()-iy)>0.75*idy) continue;
+ if (TMath::Abs( d->GetCoord1()-iz)>0.75*idz) continue;
+ }
+ ndigits++;
+ Float_t qq=d->GetSignal();
+ y+=qq*fYSPD[d->GetCoord2()]; z+=qq*fZSPD[d->GetCoord1()]; q+=qq;
+
+ }
+ if (ndigits==0) continue;
+ y/=q; z/=q;
+ y-=fHwSPD; z-=fHlSPD;
+
+ Float_t lp[5];
+ lp[0]=-(-y+fYshift[fI]); if (fI<=fLastSPD1) lp[0]=-lp[0];
+ lp[1]= -z+fZshift[fI];
+ // Float_t factor=TMath::Max(double(ni-3.),1.5);
+ Float_t factory=TMath::Max(ymax-ymin,1);
+ Float_t factorz=TMath::Max(zmax-zmin,1);
+ factory*= factory;
+ factorz*= factorz;
+ //lp[2]= (fYpitchSPD*fYpitchSPD/12.)*factory;
+ //lp[3]= (fZ1pitchSPD*fZ1pitchSPD/12.)*factorz;
+ lp[2]= (fYpitchSPD*fYpitchSPD/12.);
+ lp[3]= (fZ1pitchSPD*fZ1pitchSPD/12.);
+ //lp[4]= q;
+ lp[4]= (zmax-zmin+1)*100 + (ymax-ymin+1);
+
+ milab[3]=fNdet[fI];
+ d=(AliITSdigitSPD*)digits->UncheckedAt(idx[0]);
+ Int_t info[3] = {ymax-ymin+1,zmax-zmin+1,fNlayer[fI]};
+ new (cl[n]) AliITSclusterV2(milab,lp,info); n++;
+ }
}
-
+
delete [] bins;
}
Int_t kNzBins = fNzSPD + 2;
Int_t kNyBins = fNySPD + 2;
Int_t kMaxBin = kNzBins * kNyBins;
- AliBin* bins = NULL;
+ AliBin *binsSPD = new AliBin[kMaxBin];
+ AliBin *binsSPDInit = new AliBin[kMaxBin];
+ AliBin *bins = NULL;
// read raw data input stream
while (kTRUE) {
Int_t ymax = ymin;
Int_t zmin = (idxBins[0] % kNzBins) - 1;
Int_t zmax = zmin;
- Float_t y = 0.;
- Float_t z = 0.;
- Float_t q = 0.;
for (Int_t idx = 0; idx < nBins; idx++) {
Int_t iy = (idxBins[idx] / kNzBins) - 1;
Int_t iz = (idxBins[idx] % kNzBins) - 1;
if (ymax < iy) ymax = iy;
if (zmin > iz) zmin = iz;
if (zmax < iz) zmax = iz;
-
- Float_t qBin = bins[idxBins[idx]].GetQ();
- y += qBin * fYSPD[iy];
- z += qBin * fZSPD[iz];
- q += qBin;
}
- y /= q;
- z /= q;
- y -= fHwSPD;
- z -= fHlSPD;
-
- Float_t hit[5]; // y, z, sigma(y)^2, sigma(z)^2, charge
- hit[0] = -y-fYshift[iModule];
- if (iModule <= fLastSPD1) hit[0] = -hit[0];
- hit[1] = z+fZshift[iModule];
- hit[2] = fYpitchSPD*fYpitchSPD/12.;
- hit[3] = fZ1pitchSPD*fZ1pitchSPD/12.;
-// hit[4] = q;
- hit[4] = (zmax-zmin+1)*100 + (ymax-ymin+1);
-
- //CheckLabels(label);
- new (clusters[iModule]->AddrAt(nClusters))
- AliITSclusterV2(label, hit);
- nClusters++;
+
+ Int_t idy = 0; // max 2 clusters
+ if ((iModule <= fLastSPD1) &&idy<3) idy=3;
+ if ((iModule > fLastSPD1) &&idy<4) idy=4;
+ Int_t idz =3;
+ for (Int_t iiz=zmin; iiz<=zmax;iiz+=idz)
+ for (Int_t iiy=ymin; iiy<=ymax;iiy+=idy){
+ //
+ Int_t ndigits =0;
+ Float_t y=0.,z=0.,q=0.;
+ for (Int_t idx = 0; idx < nBins; idx++) {
+ Int_t iy = (idxBins[idx] / kNzBins) - 1;
+ Int_t iz = (idxBins[idx] % kNzBins) - 1;
+ if (zmax-zmin>=idz || ymax-ymin>=idy){
+ if (TMath::Abs(iy-iiy)>0.75*idy) continue;
+ if (TMath::Abs(iz-iiz)>0.75*idz) continue;
+ }
+ ndigits++;
+ Float_t qBin = bins[idxBins[idx]].GetQ();
+ y += qBin * fYSPD[iy];
+ z += qBin * fZSPD[iz];
+ q += qBin;
+ }
+ if (ndigits==0) continue;
+ y /= q;
+ z /= q;
+ y -= fHwSPD;
+ z -= fHlSPD;
+
+ Float_t hit[5]; // y, z, sigma(y)^2, sigma(z)^2, charge
+ hit[0] = -(-y+fYshift[iModule]);
+ if (iModule <= fLastSPD1) hit[0] = -hit[0];
+ hit[1] = -z+fZshift[iModule];
+ hit[2] = fYpitchSPD*fYpitchSPD/12.;
+ hit[3] = fZ1pitchSPD*fZ1pitchSPD/12.;
+ // hit[4] = q;
+ hit[4] = (zmax-zmin+1)*100 + (ymax-ymin+1);
+ // CheckLabels(label);
+ Int_t info[3]={ymax-ymin+1,zmax-zmin+1,fNlayer[iModule]};
+ new (clusters[iModule]->AddrAt(nClusters))
+ AliITSclusterV2(label, hit,info);
+ nClusters++;
+ }
}
nClustersSPD += nClusters;
- delete bins;
+ bins = NULL;
}
if (!next) break;
- bins = new AliBin[kMaxBin];
+ bins = binsSPD;
+ memcpy(binsSPD,binsSPDInit,sizeof(AliBin)*kMaxBin);
}
// fill the current digit into the bins array
bins[index].SetQ(1);
}
+ delete [] binsSPDInit;
+ delete [] binsSPD;
+
Info("FindClustersSPD", "found clusters in ITS SPD: %d", nClustersSPD);
}
FindPeaks(i, nzBins, bins[s], idx, msk, npeaks);
if (npeaks>30) continue;
+ if (npeaks==0) continue;
Int_t k,l;
for (k=0; k<npeaks-1; k++){//mark adjacent peaks
if (idx[k] < 0) continue; //removed peak
AliITSclusterV2 c;
MakeCluster(idx[k], nzBins, bins[s], msk[k], c);
-
- //if (c.GetQ() < 200) continue; //noise cluster
-
- /*
- Float_t s2 = c.GetSigmaY2()/c.GetQ() - c.GetY()*c.GetY();
- Float_t w=par->GetPadPitchWidth(sec);
- c.SetSigmaY2((s2 + 1./12.)*w*w);
- if (s2 != 0.) {
- c.SetSigmaY2(c.GetSigmaY2()*0.108);
- if (sec<par->GetNInnerSector()) c.SetSigmaY2(c.GetSigmaY2()*2.07);
- }
-
- s2 = c.GetSigmaZ2()/c.GetQ() - c.GetZ()*c.GetZ();
- w=par->GetZWidth();
- c.SetSigmaZ2((s2 + 1./12.)*w*w);
- if (s2 != 0.) {
- c.SetSigmaZ2(c.GetSigmaZ2()*0.169);
- if (sec<par->GetNInnerSector()) c.SetSigmaZ2(c.GetSigmaZ2()*1.77);
- }
+ //mi change
+ Int_t milab[10];
+ for (Int_t ilab=0;ilab<10;ilab++){
+ milab[ilab]=-2;
+ }
+ Int_t maxi=0,mini=0,maxj=0,minj=0;
+ //AliBin *bmax=&bins[s][idx[k]];
+ //Float_t max = TMath::Max(TMath::Abs(bmax->GetQ())/5.,3.);
+ Float_t max=3;
+ for (Int_t di=-2; di<=2;di++)
+ for (Int_t dj=-3;dj<=3;dj++){
+ Int_t index = idx[k]+di+dj*nzBins;
+ if (index<0) continue;
+ if (index>=nMaxBin) continue;
+ AliBin *b=&bins[s][index];
+ if (TMath::Abs(b->GetQ())>max){
+ if (di>maxi) maxi=di;
+ if (di<mini) mini=di;
+ if (dj>maxj) maxj=dj;
+ if (dj<minj) minj=dj;
+ //
+ if(digits) {
+ if (TMath::Abs(di)<2&&TMath::Abs(dj)<2){
+ AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
+ for (Int_t itrack=0;itrack<10;itrack++){
+ Int_t track = (d->GetTracks())[itrack];
+ if (track>=0) {
+ AddLabel(milab, track);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /*
+ Float_t s2 = c.GetSigmaY2()/c.GetQ() - c.GetY()*c.GetY();
+ Float_t w=par->GetPadPitchWidth(sec);
+ c.SetSigmaY2(s2);
+ if (s2 != 0.) {
+ c.SetSigmaY2(c.GetSigmaY2()*0.108);
+ if (sec<par->GetNInnerSector()) c.SetSigmaY2(c.GetSigmaY2()*2.07);
+ }
+ s2 = c.GetSigmaZ2()/c.GetQ() - c.GetZ()*c.GetZ();
+ w=par->GetZWidth();
+ c.SetSigmaZ2(s2);
+
+ if (s2 != 0.) {
+ c.SetSigmaZ2(c.GetSigmaZ2()*0.169);
+ if (sec<par->GetNInnerSector()) c.SetSigmaZ2(c.GetSigmaZ2()*1.77);
+ }
*/
- c.SetSigmaY2(0.0030*0.0030);
- c.SetSigmaZ2(0.0020*0.0020);
- c.SetDetectorIndex(fNdet[fI]);
-
Float_t y=c.GetY(),z=c.GetZ(), q=c.GetQ();
y/=q; z/=q;
-
+ //
+ //Float_t s2 = c.GetSigmaY2()/c.GetQ() - y*y;
+ // c.SetSigmaY2(s2);
+ //s2 = c.GetSigmaZ2()/c.GetQ() - z*z;
+ //c.SetSigmaZ2(s2);
+ //
y=(y-0.5)*fYpitchSDD;
y-=fHwSDD;
y-=fYoffSDD; //delay ?
z=(z-0.5)*fZpitchSDD;
z-=fHlSDD;
- y=-y-fYshift[fI];
- z= z+fZshift[fI];
- c.SetY(y);
- c.SetZ(z);
-
- c.SetQ(q/20.); //to be consistent with the SSD charges
-
- if (digits) {
- AliBin *b=&bins[s][idx[k]];
- AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
- Int_t l0=(d->GetTracks())[0];
- if (l0<0) {
- b=&bins[s][idx[k]-1];
- if (b->GetQ()>0) {
- d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
- l0=(d->GetTracks())[0];
- }
- }
- if (l0<0) {
- b=&bins[s][idx[k]+1];
- if (b->GetQ()>0) {
- d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
- l0=(d->GetTracks())[0];
- }
- }
- if (l0<0) {
- b=&bins[s][idx[k]-nzBins];
- if (b->GetQ()>0) {
- d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
- l0=(d->GetTracks())[0];
- }
- }
- if (l0<0) {
- b=&bins[s][idx[k]+nzBins];
- if (b->GetQ()>0) {
- d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
- l0=(d->GetTracks())[0];
- }
- }
+ y=-(-y+fYshift[fI]);
+ z= -z+fZshift[fI];
- if (l0<0) {
- b=&bins[s][idx[k]+nzBins+1];
- if (b->GetQ()>0) {
- d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
- l0=(d->GetTracks())[0];
- }
- }
- if (l0<0) {
- b=&bins[s][idx[k]+nzBins-1];
- if (b->GetQ()>0) {
- d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
- l0=(d->GetTracks())[0];
- }
- }
- if (l0<0) {
- b=&bins[s][idx[k]-nzBins+1];
- if (b->GetQ()>0) {
- d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
- l0=(d->GetTracks())[0];
- }
- }
- if (l0<0) {
- b=&bins[s][idx[k]-nzBins-1];
- if (b->GetQ()>0) {
- d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
- l0=(d->GetTracks())[0];
- }
- }
+ q/=12.7; //this WAS consistent with SSD. To be reassessed
+ // 23-MAR-2007
+ Float_t hit[5] = {y, z, 0.0030*0.0030, 0.0020*0.0020, q};
+ Int_t info[3] = {maxj-minj+1, maxi-mini+1, fNlayer[fI]};
+ if (c.GetQ() < 20.) continue; //noise cluster
+
+ if (digits) {
+ // AliBin *b=&bins[s][idx[k]];
+ // AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
{
- Int_t lab[3];
- lab[0]=(d->GetTracks())[0];
- lab[1]=(d->GetTracks())[1];
- lab[2]=(d->GetTracks())[2];
+ //Int_t lab[3];
+ //lab[0]=(d->GetTracks())[0];
+ //lab[1]=(d->GetTracks())[1];
+ //lab[2]=(d->GetTracks())[2];
//CheckLabels(lab);
- c.SetLabel(lab[0],0);
- c.SetLabel(lab[1],1);
- c.SetLabel(lab[2],2);
+ CheckLabels2(milab);
}
}
+ milab[3]=fNdet[fI];
- new (cl[ncl]) AliITSclusterV2(c); ncl++;
+ AliITSclusterV2 *cc = new (cl[ncl]) AliITSclusterV2(milab,hit,info);
+ cc->SetType(npeaks);
+ ncl++;
}
}
}
Int_t y=d->GetCoord2()+1; //y
Int_t z=d->GetCoord1()+1; //z
Int_t q=d->GetSignal();
+ if (q<3) continue;
+
if (z <= fNzSDD) {
bins[0][y*kNzBins+z].SetQ(q);
bins[0][y*kNzBins+z].SetMask(1);
delete[] bins[0];
delete[] bins[1];
+
}
void AliITSclustererV2::FindClustersSDD(AliITSRawStream* input,
Int_t nClustersSDD = 0;
Int_t kNzBins = fNzSDD + 2;
Int_t kMaxBin = kNzBins * (fNySDD+2);
- AliBin* bins[2] = {NULL, NULL};
+ AliBin *binsSDDInit = new AliBin[kMaxBin];
+ AliBin *binsSDD1 = new AliBin[kMaxBin];
+ AliBin *binsSDD2 = new AliBin[kMaxBin];
+ AliBin *bins[2] = {NULL, NULL};
// read raw data input stream
while (kTRUE) {
FindClustersSDD(bins, kMaxBin, kNzBins, NULL, clusters[iModule]);
Int_t nClusters = clusters[iModule]->GetEntriesFast();
nClustersSDD += nClusters;
- delete[] bins[0];
- delete[] bins[1];
+ bins[0] = bins[1] = NULL;
}
if (!next) break;
- bins[0] = new AliBin[kMaxBin];
- bins[1] = new AliBin[kMaxBin];
+ bins[0]=binsSDD1;
+ bins[1]=binsSDD2;
+ memcpy(binsSDD1,binsSDDInit,sizeof(AliBin)*kMaxBin);
+ memcpy(binsSDD2,binsSDDInit,sizeof(AliBin)*kMaxBin);
}
// fill the current digit into the bins array
- Int_t iz = input->GetCoord1()+1;
- Int_t side = ((iz <= fNzSDD) ? 0 : 1);
- iz -= side*fNzSDD;
- Int_t index = (input->GetCoord2()+1) * kNzBins + iz;
- bins[side][index].SetQ(input->GetSignal());
- bins[side][index].SetMask(1);
- bins[side][index].SetIndex(index);
+ if(input->GetSignal()>=3) {
+ Int_t iz = input->GetCoord1()+1;
+ Int_t side = ((iz <= fNzSDD) ? 0 : 1);
+ iz -= side*fNzSDD;
+ Int_t index = (input->GetCoord2()+1) * kNzBins + iz;
+ bins[side][index].SetQ(input->GetSignal());
+ bins[side][index].SetMask(1);
+ bins[side][index].SetIndex(index);
+ }
}
+ delete[] binsSDD1;
+ delete[] binsSDD2;
+ delete[] binsSDDInit;
+
Info("FindClustersSDD", "found clusters in ITS SDD: %d", nClustersSDD);
}
+
+
void AliITSclustererV2::
FindClustersSSD(Ali1Dcluster* neg, Int_t nn,
Ali1Dcluster* pos, Int_t np,
// Actual SSD cluster finder
//------------------------------------------------------------
TClonesArray &cl=*clusters;
-
- Int_t lab[4]={-2,-2,-2,-2};
+ //
Float_t tanp=fTanP, tann=fTanN;
if (fI>fLastSSD1) {tann=fTanP; tanp=fTanN;}
-
Int_t idet=fNdet[fI];
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]=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);
+// }
+ //
+ // find available pairs
+ //
+ for (Int_t i=0; i<np; i++) {
+ Float_t yp=pos[i].GetY()*fYpitchSSD;
+ if (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())) {
+ negativepair[i*10+cnegative[i]] =j; //index
+ positivepair[j*10+cpositive[j]] =i;
+ cnegative[i]++; //counters
+ cpositive[j]++;
+ pairs[i][j]=100;
+ }
+ }
+ }
+ //
+ for (Int_t i=0; i<np; i++) {
+ Float_t yp=pos[i].GetY()*fYpitchSSD;
+ if (pos[i].GetQ()<3) continue;
+ for (Int_t j=0; j<nn; j++) {
+ if (neg[j].GetQ()<3) 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) {
+ 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;
+ }
+ }
+ }
+ //
+ 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;
+ //
+ // 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[fI]);
+ lp[1]= -zbest+fZshift[fI];
+ 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[fI]};
+ AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info);
+ ncl++;
+ 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;
+ }
+ cused1[ip]++;
+ cused2[j]++;
+ }
+ }
+
+ 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[fI]);
+ lp[1]= -zbest+fZshift[fI];
+ 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[fI]};
+ AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info);
+ ncl++;
+ 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;
+ }
+ }
+ //
+ // 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[fI]);
+ lp[1]= -zbest+fZshift[fI];
+ 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[fI]};
+ AliITSclusterV2 *cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info);
+ ncl++;
+ 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;
+ }
+ }
+ 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){
+ //
+ // 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[fI]);
+ lp[1]= -zbest+fZshift[fI];
+ 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[jn].GetLabel(ilab);
+ }
+ //
+ CheckLabels2(milab);
+ ratio = (pos[ip].GetQ()-neg[jn].GetQ())/(pos[ip].GetQ()+neg[jn].GetQ());
+ milab[3]=(((ip<<10) + jn)<<10) + idet; // pos|neg|det
+ Int_t info[3] = {pos[ip].GetNd(),neg[jn].GetNd(),fNlayer[fI]};
+ AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info);
+ ncl++;
+ cl2->SetChargeRatio(ratio);
+ cl2->SetType(7);
+ pairs[ip][jn] =7;
+ if ((pos[ip].GetNd()+neg[jn].GetNd())>6){ //multi cluster
+ cl2->SetType(8);
+ pairs[ip][jn]=8;
+ }
+ }
+ //
+ // 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;
+ qbest =neg[jn2].GetQ();
+ lp[0]=-(-ybest+fYshift[fI]);
+ lp[1]= -zbest+fZshift[fI];
+ 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[jn2].GetLabel(ilab);
+ }
+ //
+ CheckLabels2(milab);
+ 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[fI]};
+ AliITSclusterV2* cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info);
+ ncl++;
+ cl2->SetChargeRatio(ratio);
+ pairs[ip][jn2]=7;
+ cl2->SetType(7);
+ if ((pos[ip].GetNd()+neg[jn2].GetNd())>6){ //multi cluster
+ cl2->SetType(8);
+ pairs[ip][jn2]=8;
+ }
+ }
+ cused1[ip]++;
+ cused2[jn]++;
+ cused2[jn2]++;
+ }
+ }
+ }
+
+ 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;
+ //
+ //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[fI]);
+ lp[1]= -zbest+fZshift[fI];
+ 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);
+ 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[fI]};
+ AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info);
+ ncl++;
+ 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;
+ }
+ cused1[ip]++;
+ cused2[j]++;
+ }
+
+ }
+
+ //
for (Int_t i=0; i<np; i++) {
- //Float_t dq_min=1.e+33;
Float_t ybest=1000,zbest=1000,qbest=0;
Float_t yp=pos[i].GetY()*fYpitchSSD;
+ if (pos[i].GetQ()<3) continue;
for (Int_t j=0; j<nn; j++) {
- //if (pos[i].fTracks[0] != neg[j].fTracks[0]) continue;
+ // for (Int_t di = 0;di<cpositive[i];di++){
+ // Int_t j = negativepair[10*i+di];
+ if (neg[j].GetQ()<3) continue;
+ if (cused2[j]||cused1[i]) continue;
+ if (pairs[i][j]>0 &&pairs[i][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) {
- //if (TMath::Abs(pos[i].GetQ()-neg[j].GetQ())<dq_min) {
- //dq_min=TMath::Abs(pos[i].GetQ()-neg[j].GetQ());
+ if (TMath::Abs(zt)<fHlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
ybest=yt; zbest=zt;
qbest=0.5*(pos[i].GetQ()+neg[j].GetQ());
-
- lab[0]=pos[i].GetLabel(0);
- lab[1]=pos[i].GetLabel(1);
- lab[2]=neg[i].GetLabel(0);
- lab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det
- Float_t lp[5];
- lp[0]=-ybest-fYshift[fI];
- lp[1]= zbest+fZshift[fI];
+ lp[0]=-(-ybest+fYshift[fI]);
+ lp[1]= -zbest+fZshift[fI];
lp[2]=0.0025*0.0025; //SigmaY2
lp[3]=0.110*0.110; //SigmaZ2
- if (pos[i].GetNd()+neg[j].GetNd() > 4) {
- lp[2]*=9;
- lp[3]*=9;
- }
- lp[4]=qbest; //Q
- //CheckLabels(lab);
- new (cl[ncl]) AliITSclusterV2(lab,lp); ncl++;
+ 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[i].GetLabel(ilab);
+ milab[ilab+3] = neg[j].GetLabel(ilab);
+ }
+ //
+ CheckLabels2(milab);
+ milab[3]=(((i<<10) + j)<<10) + idet; // pos|neg|det
+ Int_t info[3] = {pos[i].GetNd(),neg[j].GetNd(),fNlayer[fI]};
+ AliITSclusterV2 * cl2 = new (cl[ncl]) AliITSclusterV2(milab,lp,info);
+ ncl++;
+ cl2->SetChargeRatio(ratio);
+ cl2->SetType(100+cpositive[j]+cnegative[i]);
+ //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]);
+ }
+ */
}
}
- /*
- if (ybest<100) {
- lab[3]=idet;
- Float_t lp[5];
- lp[0]=-ybest-fYshift[fI];
- lp[1]= zbest+fZshift[fI];
- lp[2]=0.002*0.002; //SigmaY2
- lp[3]=0.080*0.080; //SigmaZ2
- lp[4]=qbest; //Q
- //
- new (cl[ncl]) AliITSclusterV2(lab,lp); ncl++;
- }
- */
}
+
+// for (Int_t i=0; i<1000; i++) delete [] pairs[i];
+// delete [] pairs;
+
}
+
void AliITSclustererV2::
-FindClustersSSD(const TClonesArray *digits, TClonesArray *clusters) {
+FindClustersSSD(const TClonesArray *alldigits, TClonesArray *clusters) {
//------------------------------------------------------------
// Actual SSD cluster finder
//------------------------------------------------------------
- Int_t smax=digits->GetEntriesFast();
+ Int_t smaxall=alldigits->GetEntriesFast();
+ if (smaxall==0) return;
+ TObjArray *digits = new TObjArray;
+ for (Int_t i=0;i<smaxall; i++){
+ AliITSdigitSSD *d=(AliITSdigitSSD*)alldigits->UncheckedAt(i);
+ if (d->GetSignal()<3) continue;
+ digits->AddLast(d);
+ }
+ Int_t smax = digits->GetEntriesFast();
if (smax==0) return;
-
+
const Int_t MAX=1000;
Int_t np=0, nn=0;
Ali1Dcluster pos[MAX], neg[MAX];
Float_t y=0., q=0., qmax=0.;
Int_t lab[4]={-2,-2,-2,-2};
-
+
AliITSdigitSSD *d=(AliITSdigitSSD*)digits->UncheckedAt(0);
q += d->GetSignal();
y += d->GetCoord2()*d->GetSignal();
Int_t *n=&nn;
Ali1Dcluster *c=neg;
Int_t nd=1;
+ Int_t milab[10];
+ for (Int_t ilab=0;ilab<10;ilab++){
+ milab[ilab]=-2;
+ }
+ 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].SetQ(q);
c[*n].SetNd(nd);
- c[*n].SetLabels(lab);
+ CheckLabels2(milab);
+ c[*n].SetLabels(milab);
//Split suspiciously big cluster
- if (nd>3) {
- c[*n].SetY(y/q-0.5*nd);
- c[*n].SetQ(0.5*q);
- (*n)++;
- if (*n==MAX) {
- Error("FindClustersSSD","Too many 1D clusters !");
+ /*
+ 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+0.5*nd);
- c[*n].SetQ(0.5*q);
- c[*n].SetNd(nd);
- c[*n].SetLabels(lab);
- }
+ }
+ 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==MAX) {
+ 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);
+ }
(*n)++;
if (*n==MAX) {
Error("FindClustersSSD","Too many 1D clusters !");
y=q=qmax=0.;
nd=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; }
}
flag=d->GetCoord1();
qmax=d->GetSignal();
lab[0]=d->GetTrack(0); lab[1]=d->GetTrack(1); lab[2]=d->GetTrack(2);
}
+ for (Int_t ilab=0;ilab<10;ilab++) {
+ if (d->GetTrack(ilab)>=0) AddLabel(milab, (d->GetTrack(ilab)));
+ }
curr=strip;
}
c[*n].SetY(y/q);
c[*n].SetNd(nd);
c[*n].SetLabels(lab);
//Split suspiciously big cluster
- if (nd>3) {
- c[*n].SetY(y/q-0.5*nd);
+ if (nd>4 && nd<25) {
+ c[*n].SetY(y/q-0.25*nd);
c[*n].SetQ(0.5*q);
(*n)++;
if (*n==MAX) {
Error("FindClustersSSD","Too many 1D clusters !");
return;
}
- c[*n].SetY(y/q+0.5*nd);
+ c[*n].SetY(y/q+0.25*nd);
c[*n].SetQ(0.5*q);
c[*n].SetNd(nd);
c[*n].SetLabels(lab);
const Int_t MAX = 1000;
Ali1Dcluster clusters1D[2][MAX];
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;
Int_t prevStrip = -1;
Int_t prevFlag = -1;
+ Int_t prevModule = -1;
// read raw data input stream
while (kTRUE) {
Bool_t next = input->Next();
+ if(input->GetSignal()<3 && next) continue;
// check if a new cluster starts
Int_t strip = input->GetCoord2();
Int_t flag = input->GetCoord1();
- if ((!next || input->IsNewModule() ||
+ if ((!next || (input->GetModuleID() != prevModule)||
(strip-prevStrip > 1) || (flag != prevFlag)) &&
(nDigits > 0)) {
if (nClusters[prevFlag] == MAX) {
cluster.SetY(y/q);
cluster.SetQ(q);
cluster.SetNd(nDigits);
+ cluster.SetLabels(lab);
//Split suspiciously big cluster
- if (nDigits > 3) {
- cluster.SetY(y/q - 0.5*nDigits);
+ if (nDigits > 4&&nDigits < 25) {
+ cluster.SetY(y/q - 0.25*nDigits);
cluster.SetQ(0.5*q);
if (nClusters[prevFlag] == MAX) {
Error("FindClustersSSD", "Too many 1D clusters !");
return;
}
Ali1Dcluster& cluster2 = clusters1D[prevFlag][nClusters[prevFlag]++];
- cluster2.SetY(y/q + 0.5*nDigits);
+ cluster2.SetY(y/q + 0.25*nDigits);
cluster2.SetQ(0.5*q);
cluster2.SetNd(nDigits);
+ cluster2.SetLabels(lab);
}
y = q = 0.;
nDigits = 0;
}
- if (!next || input->IsNewModule()) {
- Int_t iModule = input->GetPrevModuleID();
+ if (!next || (input->GetModuleID() != prevModule)) {
+ Int_t iModule = prevModule;
// when all data from a module was read, search for clusters
if (prevFlag >= 0) {
nDigits++;
prevStrip = strip;
prevFlag = flag;
- }
-
- Info("FindClustersSSD", "found clusters in ITS SSD: %d", nClustersSSD);
-}
-
-#else //V1
-
-#include "AliITSDetType.h"
-
-#include "AliITSsegmentationSPD.h"
-#include "AliITSClusterFinderSPD.h"
-
-#include "AliITSresponseSDD.h"
-#include "AliITSsegmentationSDD.h"
-#include "AliITSClusterFinderSDD.h"
-
-#include "AliITSsegmentationSSD.h"
-#include "AliITSClusterFinderSSD.h"
-
-
-void AliITSclustererV2::
-FindClustersSPD(const TClonesArray *digits, TClonesArray *clusters) {
- //------------------------------------------------------------
- // Actual SPD cluster finding based on AliITSClusterFinderSPD
- //------------------------------------------------------------
- static AliITS *its=(AliITS*)gAlice->GetModule("ITS");
- static TClonesArray *points=its->RecPoints();
- static AliITSsegmentationSPD *seg=
- (AliITSsegmentationSPD *)its->DetType(0)->GetSegmentationModel();
- static AliITSClusterFinderSPD cf(seg, (TClonesArray*)digits, points);
+ prevModule = input->GetModuleID();
- cf.FindRawClusters(fI);
- RecPoints2Clusters(points, fI, clusters);
- its->ResetRecPoints();
-
-}
-
-void AliITSclustererV2::
-FindClustersSDD(const TClonesArray *digits, TClonesArray *clusters) {
- //------------------------------------------------------------
- // Actual SDD cluster finding based on AliITSClusterFinderSDD
- //------------------------------------------------------------
- static AliITS *its=(AliITS*)gAlice->GetModule("ITS");
- static TClonesArray *points=its->RecPoints();
- static AliITSresponseSDD *resp=
- (AliITSresponseSDD *)its->DetType(1)->GetResponseModel();
- static AliITSsegmentationSDD *seg=
- (AliITSsegmentationSDD *)its->DetType(1)->GetSegmentationModel();
- static AliITSClusterFinderSDD
- cf(seg,resp,(TClonesArray*)digits,its->ClustersAddress(1));
-
- cf.FindRawClusters(fI);
- Int_t nc=points->GetEntriesFast();
- while (nc--) { //To be consistent with the SSD cluster charges
- AliITSRecPoint *p=(AliITSRecPoint*)points->UncheckedAt(nc);
- p->SetQ(p->GetQ/12.);
}
- RecPoints2Clusters(points, fI, clusters);
- its->ResetClusters(1);
- its->ResetRecPoints();
-
-}
-
-void AliITSclustererV2::
-FindClustersSSD(const TClonesArray *digits, TClonesArray *clusters) {
- //------------------------------------------------------------
- // Actual SSD cluster finding based on AliITSClusterFinderSSD
- //------------------------------------------------------------
- static AliITS *its=(AliITS*)gAlice->GetModule("ITS");
- static TClonesArray *points=its->RecPoints();
- static AliITSsegmentationSSD *seg=
- (AliITSsegmentationSSD *)its->DetType(2)->GetSegmentationModel();
- static AliITSClusterFinderSSD cf(seg,(TClonesArray*)digits);
-
- cf.FindRawClusters(fI);
- RecPoints2Clusters(points, fI, clusters);
- its->ResetRecPoints();
+ Info("FindClustersSSD", "found clusters in ITS SSD: %d", nClustersSSD);
}
-#endif