#include "AliITStrackSA.h"
#include "AliITStrackerSA.h"
#include "AliITSReconstructor.h"
+#include "AliLog.h"
#include "AliRun.h"
ClassImp(AliITStrackerSA)
fVert(0),
fVertexer(0),
fListOfTracks(0),
+fListOfSATracks(0),
fITSclusters(0),
-fSixPoints(0),
+fInwardFlag(0),
fOuterStartLayer(0),
+fInnerStartLayer(5),
+fMinNPoints(0),
+fMinQ(0.),
fCluLayer(0),
fCluCoord(0){
// Default constructor
fVert(0),
fVertexer(0),
fListOfTracks(0),
+fListOfSATracks(0),
fITSclusters(0),
-fSixPoints(0),
+fInwardFlag(0),
fOuterStartLayer(0),
+fInnerStartLayer(5),
+fMinNPoints(0),
+fMinQ(0.),
fCluLayer(0),
fCluCoord(0)
{
fVert(vert),
fVertexer(0),
fListOfTracks(0),
+fListOfSATracks(0),
fITSclusters(0),
-fSixPoints(0),
+fInwardFlag(0),
fOuterStartLayer(0),
+fInnerStartLayer(5),
+fMinNPoints(0),
+fMinQ(0.),
fCluLayer(0),
fCluCoord(0)
{
fVert(),
fVertexer(vertexer),
fListOfTracks(0),
+fListOfSATracks(0),
fITSclusters(0),
-fSixPoints(0),
+fInwardFlag(0),
fOuterStartLayer(0),
+fInnerStartLayer(5),
+fMinNPoints(0),
+fMinQ(0.),
fCluLayer(0),
fCluCoord(0)
{
fVert(tracker.fVert),
fVertexer(tracker.fVertexer),
fListOfTracks(tracker.fListOfTracks),
+fListOfSATracks(tracker.fListOfSATracks),
fITSclusters(tracker.fITSclusters),
-fSixPoints(tracker.fSixPoints),
+fInwardFlag(tracker.fInwardFlag),
fOuterStartLayer(tracker.fOuterStartLayer),
+fInnerStartLayer(tracker.fInnerStartLayer),
+fMinNPoints(tracker.fMinNPoints),
+fMinQ(tracker.fMinQ),
fCluLayer(tracker.fCluLayer),
fCluCoord(tracker.fCluCoord) {
// Copy constructor
if(fLambdaWin)delete []fLambdaWin;
fListOfTracks->Delete();
delete fListOfTracks;
+ fListOfSATracks->Delete();
+ delete fListOfSATracks;
if(fCluLayer){
for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++){
if(fCluLayer[i]){
else {
AliDebug(1,"Stand Alone flag set: doing tracking in ITS alone\n");
}
- if(!rc) rc=FindTracks(event);
+ if(!rc){
+ rc=FindTracks(event,kFALSE);
+ if(AliITSReconstructor::GetRecoParam()->GetSAUseAllClusters()==kTRUE) {
+ rc=FindTracks(event,kTRUE);
+ }
+ }
+
return rc;
}
fPointc[1]=0;
fVert = 0;
fVertexer = 0;
- SetWindowSizes();
+ Int_t nLoops=AliITSReconstructor::GetRecoParam()->GetNLoopsSA();
+ if(nLoops==33){
+ SetFixedWindowSizes();
+ }else{
+ Double_t phimin=AliITSReconstructor::GetRecoParam()->GetMinPhiSA();
+ Double_t phimax=AliITSReconstructor::GetRecoParam()->GetMaxPhiSA();
+ Double_t lambmin=AliITSReconstructor::GetRecoParam()->GetMinLambdaSA();
+ Double_t lambmax=AliITSReconstructor::GetRecoParam()->GetMaxLambdaSA();
+ SetCalculatedWindowSizes(nLoops,phimin,phimax,lambmin,lambmax);
+ }
+ fMinQ=AliITSReconstructor::GetRecoParam()->GetSAMinClusterCharge();
fITSclusters = 0;
- SetSixPoints();
- SetOuterStartLayer(0);
+ SetOuterStartLayer(1);
SetSAFlag(kFALSE);
- fListOfTracks=new TObjArray(0,0);
+ fListOfTracks=new TClonesArray("AliITStrackMI",100);
+ fListOfSATracks=new TClonesArray("AliITStrackSA",100);
fCluLayer = 0;
fCluCoord = 0;
+ fMinNPoints = 3;
}
//_______________________________________________________________________
void AliITStrackerSA::ResetForFinding(){
fCoef3=0;
fPointc[0]=0;
fPointc[1]=0;
- fListOfTracks->Delete();
+ fListOfTracks->Clear();
+ fListOfSATracks->Clear();
}
//______________________________________________________________________
-Int_t AliITStrackerSA::FindTracks(AliESDEvent* event){
+Int_t AliITStrackerSA::FindTracks(AliESDEvent* event, Bool_t useAllClusters){
// Track finder using the ESD object
-
- //controllare numero cluster sui layer1 e 2 (morti?)
- //non trova tracce...controllare..
+ AliDebug(2,Form(" field is %f",event->GetMagneticField()));
+ AliDebug(2,Form("SKIPPING %d %d %d %d %d %d",ForceSkippingOfLayer(0),ForceSkippingOfLayer(1),ForceSkippingOfLayer(2),ForceSkippingOfLayer(3),ForceSkippingOfLayer(4),ForceSkippingOfLayer(5)));
if(!fITSclusters){
Fatal("FindTracks","ITS cluster tree is not accessed - Abort!!!\n Please use method SetClusterTree to pass the pointer to the tree\n");
return -1;
}
-
-
//Reads event and mark clusters of traks already found, with flag kITSin
Int_t nentr=event->GetNumberOfTracks();
- if(AliITSReconstructor::GetRecoParam()->GetSAUseAllClusters()==kFALSE) {
+ if(!useAllClusters) {
while (nentr--) {
AliESDtrack *track=event->GetTrack(nentr);
- if (track->GetStatus()&AliESDtrack::kITSin==AliESDtrack::kITSin){
+ if ((track->GetStatus()&AliESDtrack::kITSin) == AliESDtrack::kITSin){
Int_t idx[12];
Int_t ncl = track->GetITSclusters(idx);
for(Int_t k=0;k<ncl;k++){
}
}
}
+ }else{
+ while (nentr--) {
+ AliESDtrack *track=event->GetTrack(nentr);
+ if ((track->GetStatus()&AliESDtrack::kITSin) == AliESDtrack::kITSin){
+ Int_t idx[12];
+ Int_t ncl = track->GetITSclusters(idx);
+ for(Int_t k=0;k<ncl;k++){
+ AliITSRecPoint* cll = (AliITSRecPoint*)GetCluster(idx[k]);
+ cll->ResetBit(kSAflag);
+ }
+ }
+ }
}
//Get primary vertex
Double_t primaryVertex[3];
event->GetVertex()->GetXYZ(primaryVertex);
//Creates TClonesArray with clusters for each layer. The clusters already used
//by AliITStrackerMI are not considered
- Int_t nclusters[6]={0,0,0,0,0,0};
- Int_t dmar[6]={0,0,0,0,0,0};
+ Int_t nclusters[AliITSgeomTGeo::kNLayers]={0,0,0,0,0,0};
+ Int_t dmar[AliITSgeomTGeo::kNLayers]={0,0,0,0,0,0};
if (fCluLayer == 0) {
- fCluLayer = new TClonesArray*[AliITSgeomTGeo::GetNLayers()];
- fCluCoord = new TClonesArray*[AliITSgeomTGeo::GetNLayers()];
+ fCluLayer = new TClonesArray*[AliITSgeomTGeo::kNLayers];
+ fCluCoord = new TClonesArray*[AliITSgeomTGeo::kNLayers];
for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++) {
fCluLayer[i]=0;
fCluCoord[i]=0;
}
}
- Int_t * firstmod = new Int_t[AliITSgeomTGeo::GetNLayers()];
for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++){
- firstmod[i]=AliITSgeomTGeo::GetModuleIndex(i+1,1,1);
AliITSlayer &layer=fgLayers[i];
- if (!AliITSReconstructor::GetRecoParam()->GetLayersToSkip(i)) {
+ if (!ForceSkippingOfLayer(i)) {
for(Int_t cli=0;cli<layer.GetNumberOfClusters();cli++){
AliITSRecPoint* cls = (AliITSRecPoint*)layer.GetCluster(cli);
if(cls->TestBit(kSAflag)==kTRUE) continue; //clusters used by TPC prol.
if(cls->GetQ()==0) continue; //fake clusters dead zones
+ if(i>1 && cls->GetQ()<=fMinQ) continue; // cut on SDD and SSD cluster charge
nclusters[i]++;
}
}
dmar[i]=0;
- delete fCluLayer[i];
- fCluLayer[i] = new TClonesArray("AliITSRecPoint",nclusters[i]);
- delete fCluCoord[i];
- fCluCoord[i] = new TClonesArray("AliITSclusterTable",nclusters[i]);
+ if(!fCluLayer[i]){
+ fCluLayer[i] = new TClonesArray("AliITSRecPoint",nclusters[i]);
+ }else{
+ fCluLayer[i]->Delete();
+ fCluLayer[i]->Expand(nclusters[i]);
+ }
+ if(!fCluCoord[i]){
+ fCluCoord[i] = new TClonesArray("AliITSclusterTable",nclusters[i]);
+ }else{
+ fCluCoord[i]->Delete();
+ fCluCoord[i]->Expand(nclusters[i]);
+ }
}
for(Int_t ilay=0;ilay<AliITSgeomTGeo::GetNLayers();ilay++){
TClonesArray &clulay = *fCluLayer[ilay];
TClonesArray &clucoo = *fCluCoord[ilay];
AliITSlayer &layer=fgLayers[ilay];
- if (!AliITSReconstructor::GetRecoParam()->GetLayersToSkip(ilay)) {
+ if (!ForceSkippingOfLayer(ilay)) {
for(Int_t cli=0;cli<layer.GetNumberOfClusters();cli++){
AliITSRecPoint* cls = (AliITSRecPoint*)layer.GetCluster(cli);
if(cls->TestBit(kSAflag)==kTRUE) continue;
if(cls->GetQ()==0) continue;
+ if(ilay>1 && cls->GetQ()<=fMinQ) continue;
Double_t phi=0;Double_t lambda=0;
Float_t x=0;Float_t y=0;Float_t z=0;
Float_t sx=0;Float_t sy=0;Float_t sz=0;
}
}
- Int_t minNPoints = (fSixPoints ? AliITSgeomTGeo::GetNLayers() : AliITSgeomTGeo::GetNLayers()-1);
- for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++) {
- if(AliITSReconstructor::GetRecoParam()->GetLayersToSkip(i)) {
- minNPoints--;
- }
- }
-
-
+ // track counter
Int_t ntrack=0;
- //loop on the different windows
- Int_t * nn = new Int_t[AliITSgeomTGeo::GetNLayers()];//counter for clusters on each layer
- for(Int_t nloop=0;nloop<fNloop;nloop++){
- for(Int_t ncl=0;ncl<fCluLayer[0]->GetEntries();ncl++){ //loop starting from layer 0
-
- ResetForFinding();
- Int_t pflag=0;
-
- AliITSRecPoint* cl = (AliITSRecPoint*)fCluLayer[0]->At(ncl);
-
- if(!cl) continue;
- if (cl->GetQ()<=0) continue;
-
- AliITSclusterTable* arr = (AliITSclusterTable*)GetClusterCoord(0,ncl);
- fPhic = arr->GetPhi();
- fLambdac = arr->GetLambda();
- if (TMath::Abs(fLambdac)>0.26*TMath::Pi()) continue;
- fPhiEstimate = fPhic;
- AliITStrackSA* trs = new AliITStrackSA();
- fPoint1[0]=primaryVertex[0];
- fPoint1[1]=primaryVertex[1];
-
-
- fPoint2[0]=arr->GetX();
- fPoint2[1]=arr->GetY();
- for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++){ nn[i]=0;}
- nn[0] = SearchClusters(0,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
- nn[1] = SearchClusters(1,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
- if(nn[1]>0){
- pflag=1;
- fPoint3[0] = fPointc[0];
- fPoint3[1] = fPointc[1];
- }
- nn[2] = SearchClusters(2,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
- if(nn[1]==0 && nn[2]==0) pflag=0;
- if(nn[2]!=0 && nn[1]!=0){ pflag=1; UpdatePoints();}
- if(nn[2]!=0 && nn[1]==0){
- pflag=1;
- fPoint3[0]=fPointc[0];
- fPoint3[1]=fPointc[1];
- }
-
- nn[3] = SearchClusters(3,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
- pflag=1;
- if(nn[3]!=0) UpdatePoints();
- nn[4] = SearchClusters(4,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
- pflag=1;
- if(nn[4]!=0) UpdatePoints();
- nn[5] = SearchClusters(5,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
-
-
- Int_t layOK=0;
- //check of the candidate track
- for(Int_t nnp=0;nnp<AliITSgeomTGeo::GetNLayers();nnp++) {
- if(nn[nnp]!=0) layOK+=1;
- }
- if(layOK>=minNPoints) {
- AliITStrackV2* tr2 = 0;
- tr2 = FitTrack(trs,primaryVertex);
- if(!tr2) continue;
-
- AliESDtrack outtrack;
- outtrack.UpdateTrackParams(tr2,AliESDtrack::kITSin);
- event->AddTrack(&outtrack);
- ntrack++;
- }
- delete trs;
- }//end loop on clusters of layer1
- //end loop2
+ static Int_t nClusLay[AliITSgeomTGeo::kNLayers];//counter for clusters on each layer
+ Int_t startLayForSeed=0;
+ Int_t lastLayForSeed=fOuterStartLayer;
+ Int_t nSeedSteps=lastLayForSeed-startLayForSeed;
+ Int_t seedStep=1;
+ if(fInwardFlag){
+ startLayForSeed=AliITSgeomTGeo::GetNLayers()-1;
+ lastLayForSeed=fInnerStartLayer;
+ nSeedSteps=startLayForSeed-lastLayForSeed;
+ seedStep=-1;
}
- delete[] nn;
-
-
- minNPoints--;
-
- //if 5/6 points are required, second loop starting
- //from second layer (SPD2), to find tracks with point of
- //layer 1 missing
- if(!fSixPoints) {
- //printf("looking from SPD2\n");
- // counter for clusters on each layer
- Int_t * nn = new Int_t[AliITSgeomTGeo::GetNLayers()-1];
- for(Int_t nloop=0;nloop<fNloop;nloop++){
- Int_t ncl2=fCluLayer[1]->GetEntries();
- while(ncl2--){ //loop starting from layer 2
- ResetForFinding();
- Int_t pflag=0;
- AliITSRecPoint* cl = (AliITSRecPoint*)fCluLayer[1]->At(ncl2);
-
- if(!cl) continue;
- AliITSclusterTable* arr = (AliITSclusterTable*)GetClusterCoord(1,ncl2);
- fPhic = arr->GetPhi();
- fLambdac = arr->GetLambda();
- fPhiEstimate = fPhic;
-
- AliITStrackSA* trs = new AliITStrackSA();
- fPoint1[0]=primaryVertex[0];
- fPoint1[1]=primaryVertex[1];
-
- fPoint2[0]=arr->GetX();
- fPoint2[1]=arr->GetY();
- for(Int_t kk=0;kk<AliITSgeomTGeo::GetNLayers()-1;kk++)nn[kk] = 0;
- nn[0] = SearchClusters(1,fPhiWin[nloop],fLambdaWin[nloop],
- trs,primaryVertex[2],pflag);
- nn[1] = SearchClusters(2,fPhiWin[nloop],fLambdaWin[nloop],
- trs,primaryVertex[2],pflag);
- if(nn[1]!=0){
- pflag=1;
- fPoint3[0]=fPointc[0];
- fPoint3[1]=fPointc[1];
- }
- nn[2]= SearchClusters(3,fPhiWin[nloop],fLambdaWin[nloop],
- trs,primaryVertex[2],pflag);
- if(nn[2]!=0){
- pflag=1;
- UpdatePoints();
- }
- nn[3]= SearchClusters(4,fPhiWin[nloop],fLambdaWin[nloop],
- trs,primaryVertex[2],pflag);
- if(nn[3]!=0){
- pflag=1;
- UpdatePoints();
- }
- nn[4]=SearchClusters(5,fPhiWin[nloop],fLambdaWin[nloop],
- trs,primaryVertex[2],pflag);
-
- Int_t layOK=0;
- for(Int_t nnp=0;nnp<AliITSgeomTGeo::GetNLayers()-1;nnp++){
- if(nn[nnp]!=0) layOK+=1;
- }
- if(layOK>=minNPoints){ // 5/6
- AliITStrackV2* tr2 = 0;
- tr2 = FitTrack(trs,primaryVertex);
- if(!tr2) continue;
-
- AliESDtrack outtrack;
- outtrack.UpdateTrackParams(tr2,AliESDtrack::kITSin);
- event->AddTrack(&outtrack);
- ntrack++;
-
- }
-
- delete trs;
- }//end loop on clusters of layer2
- }
-
- delete [] nn;
- } //end opt="5/6"
-
- // search for tracks starting from SPD2, SDD1, SDD2, SSD2
- // for cosmics (A. Dainese 31.07.07)
- if(fOuterStartLayer>0) {
- for(Int_t innLay=1; innLay<=fOuterStartLayer; innLay++) {
- //printf("Searching from layer %d outward\n",innLay);
- minNPoints=AliITSgeomTGeo::GetNLayers()-innLay;
- for(Int_t i=innLay;i<AliITSgeomTGeo::GetNLayers();i++)
- if(AliITSReconstructor::GetRecoParam()->GetLayersToSkip(i))
+ // loop on minimum number of points
+ for(Int_t iMinNPoints=AliITSgeomTGeo::GetNLayers(); iMinNPoints>=fMinNPoints; iMinNPoints--) {
+
+ // loop on starting layer for track finding
+ for(Int_t iSeedLay=0; iSeedLay<=nSeedSteps; iSeedLay++) {
+ Int_t theLay=startLayForSeed+iSeedLay*seedStep;
+ if(ForceSkippingOfLayer(theLay)) continue;
+ Int_t minNPoints=iMinNPoints-theLay;
+ if(fInwardFlag) minNPoints=iMinNPoints-(AliITSgeomTGeo::GetNLayers()-1-theLay);
+ for(Int_t i=theLay+1;i<AliITSgeomTGeo::GetNLayers();i++)
+ if(ForceSkippingOfLayer(i))
minNPoints--;
- // counter for clusters on each layer
- Int_t * nn = new Int_t[AliITSgeomTGeo::GetNLayers()-innLay];
+ if(minNPoints<fMinNPoints) continue;
+
+ // loop on phi and lambda window size
for(Int_t nloop=0;nloop<fNloop;nloop++){
- Int_t nclInnLay=fCluLayer[innLay]->GetEntries();
- while(nclInnLay--){ //loop starting from layer innLay
+ Int_t nclTheLay=fCluLayer[theLay]->GetEntries();
+ while(nclTheLay--){
ResetForFinding();
- Int_t pflag=0;
- AliITSRecPoint* cl = (AliITSRecPoint*)fCluLayer[innLay]->At(nclInnLay);
-
- if(!cl) continue;
- AliITSclusterTable* arr = (AliITSclusterTable*)GetClusterCoord(innLay,nclInnLay);
- fPhic = arr->GetPhi();
- fLambdac = arr->GetLambda();
- fPhiEstimate = fPhic;
-
- AliITStrackSA* trs = new AliITStrackSA();
- fPoint1[0]=primaryVertex[0];
- fPoint1[1]=primaryVertex[1];
- fPoint2[0]=arr->GetX();
- fPoint2[1]=arr->GetY();
-
+ Bool_t useRP=SetFirstPoint(theLay,nclTheLay,primaryVertex);
+ if(!useRP) continue;
+ AliITStrackSA trs;
+
+ Int_t pflag=0;
Int_t kk;
- for(kk=0;kk<AliITSgeomTGeo::GetNLayers()-innLay;kk++) nn[kk] = 0;
-
+ for(kk=0;kk<AliITSgeomTGeo::GetNLayers();kk++) nClusLay[kk] = 0;
+
kk=0;
- nn[kk] = SearchClusters(innLay,fPhiWin[nloop],fLambdaWin[nloop],
- trs,primaryVertex[2],pflag);
- for(Int_t nextLay=innLay+1; nextLay<AliITSgeomTGeo::GetNLayers(); nextLay++) {
+ nClusLay[kk] = SearchClusters(theLay,fPhiWin[nloop],fLambdaWin[nloop],
+ &trs,primaryVertex[2],pflag);
+ Int_t nextLay=theLay+seedStep;
+ Bool_t goon=kTRUE;
+ while(goon){
kk++;
- nn[kk] = SearchClusters(nextLay,fPhiWin[nloop],fLambdaWin[nloop],
- trs,primaryVertex[2],pflag);
- if(nn[kk]!=0){
+ nClusLay[kk] = SearchClusters(nextLay,fPhiWin[nloop],fLambdaWin[nloop],
+ &trs,primaryVertex[2],pflag);
+ if(nClusLay[kk]!=0){
pflag=1;
if(kk==1) {
fPoint3[0]=fPointc[0];
UpdatePoints();
}
}
+ nextLay+=seedStep;
+ if(nextLay<0 || nextLay==6) goon=kFALSE;
}
-
+
+
Int_t layOK=0;
- for(Int_t nnp=0;nnp<AliITSgeomTGeo::GetNLayers()-innLay;nnp++){
- if(nn[nnp]!=0) layOK+=1;
+ if(!fInwardFlag){
+ for(Int_t nnp=0;nnp<AliITSgeomTGeo::GetNLayers()-theLay;nnp++){
+ if(nClusLay[nnp]!=0) layOK+=1;
+ }
+ }else{
+ for(Int_t nnp=theLay; nnp>=0; nnp--){
+ if(nClusLay[nnp]!=0) layOK+=1;
+ }
}
if(layOK>=minNPoints){
+ AliDebug(2,Form("---NPOINTS: %d; MAP: %d %d %d %d %d %d\n",layOK,nClusLay[0],nClusLay[1],nClusLay[2],nClusLay[3],nClusLay[4],nClusLay[5]));
AliITStrackV2* tr2 = 0;
- tr2 = FitTrack(trs,primaryVertex);
- if(!tr2) continue;
-
-
- AliESDtrack outtrack;
- outtrack.UpdateTrackParams(tr2,AliESDtrack::kITSin);
- event->AddTrack(&outtrack);
+ tr2 = FitTrack(&trs,primaryVertex);
+ if(!tr2){
+ continue;
+ }
+ AliDebug(2,Form("---NPOINTS fit: %d\n",tr2->GetNumberOfClusters()));
+
+ StoreTrack(tr2,event,useAllClusters);
ntrack++;
-
+
}
- delete trs;
- }//end loop on clusters of innLay
+ }//end loop on clusters of theLay
} //end loop on window sizes
-
- delete [] nn;
- } //end loop on innLay
- } //end if(fOuterStartLayer>0)
-
+ } //end loop on theLay
+ }//end loop on min points
- // search for 1-point tracks, only for cosmics
+ // search for 1-point tracks in SPD, only for cosmics
// (A.Dainese 21.03.08)
if(AliITSReconstructor::GetRecoParam()->GetSAOnePointTracks() &&
TMath::Abs(event->GetMagneticField())<0.01) {
- for(Int_t innLay=0; innLay<=fOuterStartLayer; innLay++) {
+ Int_t outerLayer=1; // only SPD
+ for(Int_t innLay=0; innLay<=TMath::Min(1,fOuterStartLayer); innLay++) {
// counter for clusters on each layer
- Int_t * nn = new Int_t[AliITSgeomTGeo::GetNLayers()-innLay];
+
for(Int_t nloop=0;nloop<fNloop;nloop++){
Int_t nclInnLay=fCluLayer[innLay]->GetEntries();
while(nclInnLay--){ //loop starting from layer innLay
ResetForFinding();
- Int_t pflag=0;
- AliITSRecPoint* cl = (AliITSRecPoint*)fCluLayer[innLay]->At(nclInnLay);
-
- if(!cl) continue;
- AliITSclusterTable* arr = (AliITSclusterTable*)GetClusterCoord(innLay,nclInnLay);
- fPhic = arr->GetPhi();
- fLambdac = arr->GetLambda();
- fPhiEstimate = fPhic;
-
- AliITStrackSA* trs = new AliITStrackSA();
- fPoint1[0]=primaryVertex[0];
- fPoint1[1]=primaryVertex[1];
- fPoint2[0]=arr->GetX();
- fPoint2[1]=arr->GetY();
-
+ Bool_t useRP=SetFirstPoint(innLay,nclInnLay,primaryVertex);
+ if(!useRP) continue;
+ AliITStrackSA trs;
+
+ Int_t pflag=0;
Int_t kk;
- for(kk=0;kk<AliITSgeomTGeo::GetNLayers()-innLay;kk++) nn[kk] = 0;
+ for(kk=0;kk<AliITSgeomTGeo::GetNLayers();kk++) nClusLay[kk] = 0;
kk=0;
- nn[kk] = SearchClusters(innLay,fPhiWin[nloop],fLambdaWin[nloop],
- trs,primaryVertex[2],pflag);
- for(Int_t nextLay=innLay+1; nextLay<AliITSgeomTGeo::GetNLayers(); nextLay++) {
+ nClusLay[kk] = SearchClusters(innLay,fPhiWin[nloop],fLambdaWin[nloop],
+ &trs,primaryVertex[2],pflag);
+ for(Int_t nextLay=innLay+1; nextLay<=outerLayer; nextLay++) {
kk++;
- nn[kk] = SearchClusters(nextLay,fPhiWin[nloop],fLambdaWin[nloop],
- trs,primaryVertex[2],pflag);
- if(nn[kk]!=0){
+ nClusLay[kk] = SearchClusters(nextLay,fPhiWin[nloop],fLambdaWin[nloop],
+ &trs,primaryVertex[2],pflag);
+ if(nClusLay[kk]!=0){
pflag=1;
if(kk==1) {
fPoint3[0]=fPointc[0];
Int_t layOK=0;
for(Int_t nnp=0;nnp<AliITSgeomTGeo::GetNLayers()-innLay;nnp++){
- if(nn[nnp]!=0) layOK+=1;
+ if(nClusLay[nnp]!=0) layOK+=1;
}
if(layOK==1) {
+ AliDebug(2,Form("----NPOINTS: %d; MAP: %d %d %d %d %d %d\n",layOK,nClusLay[0],nClusLay[1],nClusLay[2],nClusLay[3],nClusLay[4],nClusLay[5]));
AliITStrackV2* tr2 = 0;
Bool_t onePoint = kTRUE;
- tr2 = FitTrack(trs,primaryVertex,onePoint);
- if(!tr2) continue;
+ tr2 = FitTrack(&trs,primaryVertex,onePoint);
+ if(!tr2){
+ continue;
+ }
+ AliDebug(2,Form("----NPOINTS fit: %d\n",tr2->GetNumberOfClusters()));
- AliESDtrack outtrack;
- outtrack.UpdateTrackParams(tr2,AliESDtrack::kITSin);
- event->AddTrack(&outtrack);
+ StoreTrack(tr2,event,useAllClusters);
ntrack++;
}
- delete trs;
}//end loop on clusters of innLay
} //end loop on window sizes
- delete [] nn;
} //end loop on innLay
} // end search 1-point tracks
- delete [] firstmod;
- Info("FindTracks","Number of found tracks: %d",event->GetNumberOfTracks());
+ if(!useAllClusters) AliInfo(Form("Number of found tracks: %d",event->GetNumberOfTracks()));
+ ResetForFinding();
return 0;
}
// A.Dainese 16.11.07
- Int_t * firstmod = new Int_t[AliITSgeomTGeo::GetNLayers()];
- TObjArray** listlayer = new TObjArray*[AliITSgeomTGeo::GetNLayers()];
- Int_t ** clind=new Int_t*[AliITSgeomTGeo::GetNLayers()];
- Int_t ** clmark=new Int_t*[AliITSgeomTGeo::GetNLayers()];
- Int_t * nnn = new Int_t[AliITSgeomTGeo::GetNLayers()];
- Int_t * kkk = new Int_t[AliITSgeomTGeo::GetNLayers()];
+ const Int_t kMaxClu=AliITStrackSA::kMaxNumberOfClusters;
- const Int_t maxclu=AliITStrackSA::GetMaxNumberOfClusters();
+ static Int_t firstmod[AliITSgeomTGeo::kNLayers];
+
+ static Int_t clind[AliITSgeomTGeo::kNLayers][kMaxClu];
+ static Int_t clmark[AliITSgeomTGeo::kNLayers][kMaxClu];
+ static Int_t end[AliITSgeomTGeo::kNLayers];
+ static AliITSRecPoint *listlayer[AliITSgeomTGeo::kNLayers][kMaxClu];
for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++) {
firstmod[i]=AliITSgeomTGeo::GetModuleIndex(i+1,1,1);
- listlayer[i] = new TObjArray(0,0);
- nnn[i]=0;
- kkk[i]=0;
- clind[i]=new Int_t[maxclu];
- clmark[i]=new Int_t[maxclu];
- for(Int_t j=0;j<maxclu; j++){
+ end[i]=0;
+ for(Int_t j=0;j<kMaxClu; j++){
clind[i][j]=0;
clmark[i][j]=0;
- }
+ listlayer[i][j]=0;
+ }
}
AliITSRecPoint* cl = (AliITSRecPoint*)GetCluster(index);
if(cl->TestBit(kSAflag)==kTRUE) cl->ResetBit(kSAflag);
Int_t lay = (index & 0xf0000000) >> 28;
- listlayer[lay]->AddLast(cl);
- Int_t ind=nnn[lay];
- clind[lay][ind]=index;
+ Int_t nInLay=end[lay];
+ listlayer[lay][nInLay]=cl;
+ clind[lay][nInLay]=index;
+ end[lay]++;
}
- delete [] nnn;
for(Int_t nlay=0;nlay<AliITSgeomTGeo::GetNLayers();nlay++){
for(Int_t ncl=0;ncl<tr->GetNumberOfMarked(nlay);ncl++){
Int_t mark = tr->GetClusterMark(nlay,ncl);
- Int_t ind=kkk[nlay];
- clmark[nlay][ind]=mark;
+ clmark[nlay][ncl]=mark;
}
}
- delete [] kkk;
Int_t firstLay=-1,secondLay=-1;
- Int_t * end = new Int_t[AliITSgeomTGeo::GetNLayers()];
for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++) {
- if(listlayer[i]->GetEntries()==0) {
+ if(end[i]==0) {
end[i]=1;
- } else {
- end[i]=listlayer[i]->GetEntries();
+ }else{
if(firstLay==-1) {
firstLay=i;
} else if(secondLay==-1) {
}
}
- if(firstLay==-1 || (secondLay==-1 && !onePoint)) {
- for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++){
- delete listlayer[i];
- delete clind[i];
- delete clmark[i];
- }
- delete [] listlayer;
- delete [] clind;
- delete [] clmark;
- delete [] firstmod;
- delete [] end;
- return 0;
- }
-
- TClonesArray* listSA = new TClonesArray("AliITStrackSA");
- TClonesArray &tri = *listSA;
- Int_t nlist=0;
+ if(firstLay==-1 || (secondLay==-1 && !onePoint)) return 0;
+ TClonesArray &arrMI= *fListOfTracks;
+ TClonesArray &arrSA= *fListOfSATracks;
+ Int_t nFoundTracks=0;
for(Int_t l0=0;l0<end[0];l0++){ //loop on layer 1
- AliITSRecPoint* cl0 = (AliITSRecPoint*)listlayer[0]->At(l0);
+ AliITSRecPoint* cl0 = (AliITSRecPoint*)listlayer[0][l0];
for(Int_t l1=0;l1<end[1];l1++){ //loop on layer 2
- AliITSRecPoint* cl1 = (AliITSRecPoint*)listlayer[1]->At(l1);
+ AliITSRecPoint* cl1 = (AliITSRecPoint*)listlayer[1][l1];
for(Int_t l2=0;l2<end[2];l2++){ //loop on layer 3
- AliITSRecPoint* cl2 = (AliITSRecPoint*)listlayer[2]->At(l2);
+ AliITSRecPoint* cl2 = (AliITSRecPoint*)listlayer[2][l2];
for(Int_t l3=0;l3<end[3];l3++){ //loop on layer 4
- AliITSRecPoint* cl3 = (AliITSRecPoint*)listlayer[3]->At(l3);
+ AliITSRecPoint* cl3 = (AliITSRecPoint*)listlayer[3][l3];
for(Int_t l4=0;l4<end[4];l4++){ //loop on layer 5
- AliITSRecPoint* cl4 = (AliITSRecPoint*)listlayer[4]->At(l4);
+ AliITSRecPoint* cl4 = (AliITSRecPoint*)listlayer[4][l4];
for(Int_t l5=0;l5<end[5];l5++){ //loop on layer 6
- AliITSRecPoint* cl5 = (AliITSRecPoint*)listlayer[5]->At(l5);
+ AliITSRecPoint* cl5 = (AliITSRecPoint*)listlayer[5][l5];
Double_t x1,y1,z1,sx1,sy1,sz1;
}
- AliITStrackSA* trac = new AliITStrackSA(layer,ladder,detector,yclu1,zclu1,phi2,tgl2,cv,1);
+ AliITStrackSA trac(layer,ladder,detector,yclu1,zclu1,phi2,tgl2,cv,1);
if(cl5!=0) {
- trac->AddClusterV2(5,(clind[5][l5] & 0x0fffffff)>>0);
- trac->AddClusterMark(5,clmark[5][l5]);
+ trac.AddClusterV2(5,(clind[5][l5] & 0x0fffffff)>>0);
+ trac.AddClusterMark(5,clmark[5][l5]);
}
if(cl4!=0){
- trac->AddClusterV2(4,(clind[4][l4] & 0x0fffffff)>>0);
- trac->AddClusterMark(4,clmark[4][l4]);
+ trac.AddClusterV2(4,(clind[4][l4] & 0x0fffffff)>>0);
+ trac.AddClusterMark(4,clmark[4][l4]);
}
if(cl3!=0){
- trac->AddClusterV2(3,(clind[3][l3] & 0x0fffffff)>>0);
- trac->AddClusterMark(3,clmark[3][l3]);
+ trac.AddClusterV2(3,(clind[3][l3] & 0x0fffffff)>>0);
+ trac.AddClusterMark(3,clmark[3][l3]);
}
if(cl2!=0){
- trac->AddClusterV2(2,(clind[2][l2] & 0x0fffffff)>>0);
- trac->AddClusterMark(2,clmark[2][l2]);
+ trac.AddClusterV2(2,(clind[2][l2] & 0x0fffffff)>>0);
+ trac.AddClusterMark(2,clmark[2][l2]);
}
if(cl1!=0){
- trac->AddClusterV2(1,(clind[1][l1] & 0x0fffffff)>>0);
- trac->AddClusterMark(1,clmark[1][l1]);
+ trac.AddClusterV2(1,(clind[1][l1] & 0x0fffffff)>>0);
+ trac.AddClusterMark(1,clmark[1][l1]);
}
if(cl0!=0){
- trac->AddClusterV2(0,(clind[0][l0] & 0x0fffffff)>>0);
- trac->AddClusterMark(0,clmark[0][l0]);
+ trac.AddClusterV2(0,(clind[0][l0] & 0x0fffffff)>>0);
+ trac.AddClusterMark(0,clmark[0][l0]);
}
//fit with Kalman filter using AliITStrackerMI::RefitAt()
- AliITStrackMI* ot = new AliITStrackSA(*trac);
-
- ot->ResetCovariance(10.);
- ot->ResetClusters();
+ AliITStrackSA ot(trac);
+
+ ot.ResetCovariance(10.);
+ ot.ResetClusters();
- if(RefitAt(AliITSRecoParam::GetrInsideITSscreen(),ot,trac)){ //fit from layer 1 to layer 6
- AliITStrackMI *otrack2 = new AliITStrackMI(*ot);
- otrack2->ResetCovariance(10.);
- otrack2->ResetClusters();
- //fit from layer 6 to layer 1
- if(RefitAt(AliITSRecoParam::GetrInsideSPD1(),otrack2,ot)) {
- fListOfTracks->AddLast(otrack2);
- new (tri[nlist]) AliITStrackSA(*trac);
- nlist++;
- } else {
- delete otrack2;
- }
+ // Propagate inside the innermost layer with a cluster
+ if(ot.Propagate(ot.GetX()-0.1*ot.GetX())) {
+
+ if(RefitAt(AliITSRecoParam::GetrInsideITSscreen(),&ot,&trac)){ //fit from layer 1 to layer 6
+ AliITStrackMI otrack2(ot);
+ otrack2.ResetCovariance(10.);
+ otrack2.ResetClusters();
+ //fit from layer 6 to layer 1
+ if(RefitAt(AliITSRecoParam::GetrInsideSPD1(),&otrack2,&ot)) {
+ new(arrMI[nFoundTracks]) AliITStrackMI(otrack2);
+ new(arrSA[nFoundTracks]) AliITStrackSA(trac);
+ ++nFoundTracks;
+ }
- }
-
- delete ot;
- delete trac;
+ }
+ }
}//end loop layer 6
}//end loop layer 5
}//end loop layer 4
}//end loop layer 2
}//end loop layer 1
- delete [] end;
- Int_t dim=fListOfTracks->GetEntries();
- if(dim==0){
- for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++){
- delete listlayer[i];
- delete clind[i];
- delete clmark[i];
- }
- delete [] listlayer;
- delete [] clind;
- delete [] clmark;
- listSA->Delete();
- delete listSA;
- delete [] firstmod;
- return 0;
- }
+ if(fListOfTracks->GetEntries()==0) return 0;
- Int_t lowchi2 = FindTrackLowChiSquare(fListOfTracks,dim);
+ Int_t lowchi2 = FindTrackLowChiSquare();
AliITStrackV2* otrack =(AliITStrackV2*)fListOfTracks->At(lowchi2);
- AliITStrackSA* trsa = (AliITStrackSA*)listSA->At(lowchi2);
+ AliITStrackSA* trsa = (AliITStrackSA*)fListOfSATracks->At(lowchi2);
- if(otrack==0) {
- for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++){
- delete listlayer[i];
- delete clind[i];
- delete clmark[i];
- }
- delete [] listlayer;
- delete [] clind;
- delete [] clmark;
- listSA->Delete();
- delete listSA;
- delete [] firstmod;
- delete [] clind;
- delete [] clmark;
- return 0;
- }
- Int_t * indexc = new Int_t[AliITSgeomTGeo::GetNLayers()];
+ if(otrack==0) return 0;
+
+ Int_t indexc[AliITSgeomTGeo::kNLayers];
for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++) indexc[i]=0;
for(Int_t nind=0;nind<otrack->GetNumberOfClusters();nind++){
indexc[nind] = otrack->GetClusterIndex(nind);
labl[i][2]=-1;
}
}
- delete [] indexc;
CookLabel(otrack,0.); //MI change - to see fake ratio
fCluLayer[nlay]->Compress();
}
}
- listSA->Delete();
- delete listSA;
- for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++){
- delete listlayer[i];
- delete clind[i];
- delete clmark[i];
- }
- delete [] listlayer;
- delete [] firstmod;
- delete [] clind;
- delete [] clmark;
return otrack;
}
+//_______________________________________________________
+void AliITStrackerSA::StoreTrack(AliITStrackV2 *t,AliESDEvent *event, Bool_t pureSA) const
+{
+ //
+ // Add new track to the ESD
+ //
+ AliESDtrack outtrack;
+ outtrack.UpdateTrackParams(t,AliESDtrack::kITSin);
+ if(pureSA) outtrack.SetStatus(AliESDtrack::kITSpureSA);
+ for(Int_t i=0;i<12;i++) {
+ outtrack.SetITSModuleIndex(i,t->GetModuleIndex(i));
+ }
+ Double_t sdedx[4]={0.,0.,0.,0.};
+ for(Int_t i=0; i<4; i++) sdedx[i]=t->GetSampledEdx(i);
+ outtrack.SetITSdEdxSamples(sdedx);
+ event->AddTrack(&outtrack);
+
+ return;
+}
//_______________________________________________________
Int_t AliITStrackerSA::SearchClusters(Int_t layer,Double_t phiwindow,Double_t lambdawindow, AliITStrackSA* trs,Double_t /*zvertex*/,Int_t pflag){
//function used to to find the clusters associated to the track
- if(AliITSReconstructor::GetRecoParam()->GetLayersToSkip(layer)) return 0;
+ if(ForceSkippingOfLayer(layer)) return 0;
Int_t nc=0;
AliITSlayer &lay = fgLayers[layer];
AliITSRecPoint *c = (AliITSRecPoint*)fCluLayer[layer]->At(index);
if (!c) continue;
if (c->GetQ()<=0) continue;
+ if(layer>1 && c->GetQ()<=fMinQ) continue;
AliITSclusterTable* arr = (AliITSclusterTable*)GetClusterCoord(layer,index);
Double_t phi = arr->GetPhi();
return nc;
}
+//________________________________________________________________
+Bool_t AliITStrackerSA::SetFirstPoint(Int_t lay, Int_t clu, Double_t* primaryVertex){
+ // Sets the first point (seed) for tracking
+
+ AliITSRecPoint* cl = (AliITSRecPoint*)fCluLayer[lay]->At(clu);
+ if(!cl) return kFALSE;
+ if (cl->GetQ()<=0) return kFALSE;
+ if(lay>1 && cl->GetQ()<=fMinQ) return kFALSE;
+
+ AliITSclusterTable* arr = (AliITSclusterTable*)GetClusterCoord(lay,clu);
+ fPhic = arr->GetPhi();
+ fLambdac = arr->GetLambda();
+ fPhiEstimate = fPhic;
+ fPoint1[0]=primaryVertex[0];
+ fPoint1[1]=primaryVertex[1];
+ fPoint2[0]=arr->GetX();
+ fPoint2[1]=arr->GetY();
+ return kTRUE;
+}
+
//________________________________________________________________
void AliITStrackerSA::UpdatePoints(){
//update of points for the estimation of the curvature
//_________________________________________________________________
-Int_t AliITStrackerSA::FindTrackLowChiSquare(TObjArray* tracklist, Int_t dim) const {
- // returns track with lowers chi square
- if(dim==1){
- //AliITStrackV2* trk = (AliITStrackV2*)tracklist->At(0);
- //return trk;
- return 0;
- }
- if(dim==0) return 0;
- Double_t * chi2 = new Double_t[dim];
- Int_t * index = new Int_t[dim];
- for(Int_t i=0;i<dim;i++){
- AliITStrackV2* trk = (AliITStrackV2*)tracklist->At(i);
- chi2[i]=trk->GetChi2();
- index[i]=i;
- }
-
- Int_t w=0;Double_t value;
- Int_t lp;
- while(w<dim){
- for(Int_t j=w+1;j<dim;j++){
- if(chi2[w]<chi2[j]){
- value=chi2[w];
- chi2[w]=chi2[j];
- chi2[j]=value;
- lp=index[w];
- index[w]=index[j];
- index[j]=lp;
- }
+Int_t AliITStrackerSA::FindTrackLowChiSquare() const {
+ // returns track with lowest chi square
+ Int_t dim=fListOfTracks->GetEntries();
+ if(dim<=1) return 0;
+ AliITStrackV2* trk = (AliITStrackV2*)fListOfTracks->At(0);
+ Double_t minChi2=trk->GetChi2();
+ Int_t index=0;
+ for(Int_t i=1;i<dim;i++){
+ trk = (AliITStrackV2*)fListOfTracks->At(i);
+ Double_t chi2=trk->GetChi2();
+ if(chi2<minChi2){
+ minChi2=chi2;
+ index=i;
}
- w++;
}
- Int_t tmp = index[dim-1];
- delete [] chi2;
- delete [] index;
- return tmp;
+ return index;
}
//__________________________________________________________
}
-
//_____________________________________________________________________________
-void AliITStrackerSA::SetWindowSizes(Int_t n, Double_t *phi, Double_t *lam){
+void AliITStrackerSA::SetCalculatedWindowSizes(Int_t n, Float_t phimin, Float_t phimax, Float_t lambdamin, Float_t lambdamax){
+ // Set sizes of the phi and lambda windows used for track finding
+ fNloop = n;
+ if(fPhiWin) delete [] fPhiWin;
+ if(fLambdaWin) delete [] fLambdaWin;
+ fPhiWin = new Double_t[fNloop];
+ fLambdaWin = new Double_t[fNloop];
+ Float_t stepPhi=(phimax-phimin)/(Float_t)(fNloop-1);
+ Float_t stepLambda=(lambdamax-lambdamin)/(Float_t)(fNloop-1);
+ for(Int_t k=0;k<fNloop;k++){
+ Float_t phi=phimin+k*stepPhi;
+ Float_t lam=lambdamin+k*stepLambda;
+ fPhiWin[k]=phi;
+ fLambdaWin[k]=lam;
+ }
+}
+//_____________________________________________________________________________
+void AliITStrackerSA::SetFixedWindowSizes(Int_t n, Double_t *phi, Double_t *lam){
// Set sizes of the phi and lambda windows used for track finding
fNloop = n;
if(phi){ // user defined values
sz = TMath::Sqrt(cl->GetSigmaZ2());
*/
}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff