fVert(0),
fVertexer(0),
fListOfTracks(0),
+fListOfSATracks(0),
fITSclusters(0),
fSixPoints(0),
fOuterStartLayer(0),
fVert(0),
fVertexer(0),
fListOfTracks(0),
+fListOfSATracks(0),
fITSclusters(0),
fSixPoints(0),
fOuterStartLayer(0),
fVert(vert),
fVertexer(0),
fListOfTracks(0),
+fListOfSATracks(0),
fITSclusters(0),
fSixPoints(0),
fOuterStartLayer(0),
fVert(),
fVertexer(vertexer),
fListOfTracks(0),
+fListOfSATracks(0),
fITSclusters(0),
fSixPoints(0),
fOuterStartLayer(0),
fVert(tracker.fVert),
fVertexer(tracker.fVertexer),
fListOfTracks(tracker.fListOfTracks),
+fListOfSATracks(tracker.fListOfSATracks),
fITSclusters(tracker.fITSclusters),
fSixPoints(tracker.fSixPoints),
fOuterStartLayer(tracker.fOuterStartLayer),
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]){
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);
+ }
fITSclusters = 0;
SetSixPoints();
SetOuterStartLayer(0);
SetSAFlag(kFALSE);
fListOfTracks=new TObjArray(0,0);
+ fListOfSATracks=new TObjArray(0,0);
fCluLayer = 0;
fCluCoord = 0;
}
fPointc[0]=0;
fPointc[1]=0;
fListOfTracks->Delete();
+ fListOfSATracks->Delete();
}
// Track finder using the ESD object
- //controllare numero cluster sui layer1 e 2 (morti?)
- //non trova tracce...controllare..
-
+
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();
- 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->SetBit(kSAflag);
+ if(AliITSReconstructor::GetRecoParam()->GetSAUseAllClusters()==kFALSE) {
+ 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->SetBit(kSAflag);
+ }
}
}
}
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)) {
for(Int_t cli=0;cli<layer.GetNumberOfClusters();cli++){
}
}
+ // track counter
+ Int_t ntrack=0;
+
Int_t minNPoints = (fSixPoints ? AliITSgeomTGeo::GetNLayers() : AliITSgeomTGeo::GetNLayers()-1);
for(Int_t i=0;i<AliITSgeomTGeo::GetNLayers();i++) {
if(AliITSReconstructor::GetRecoParam()->GetLayersToSkip(i)) {
}
}
+ static Int_t nClusLay[AliITSgeomTGeo::kNLayers];//counter for clusters on each layer
- 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);
+ //loop on different minNPoints
+ Int_t minMinNPoints=minNPoints;
+ if(AliITSReconstructor::GetRecoParam()->GetAllowProlongationWithEmptyRoad()) minMinNPoints=2;
+ for(Int_t iMinNPoints=minNPoints; iMinNPoints>=minMinNPoints; iMinNPoints--) {
+ //loop on the different windows
+ for(Int_t nloop=0;nloop<fNloop;nloop++){
+ for(Int_t ncl=0;ncl<fCluLayer[0]->GetEntries();ncl++){ //loop starting from layer 0
- if(!cl) continue;
- if (cl->GetQ()<=0) continue;
+ ResetForFinding();
+ Int_t pflag=0;
- 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];
+ AliITSRecPoint* cl = (AliITSRecPoint*)fCluLayer[0]->At(ncl);
+ if(!cl) continue;
+ if (cl->GetQ()<=0) continue;
- 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
- }
+ 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++) nClusLay[i]=0;
+ nClusLay[0] = SearchClusters(0,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
+ nClusLay[1] = SearchClusters(1,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
+ if(nClusLay[1]>0){
+ pflag=1;
+ fPoint3[0] = fPointc[0];
+ fPoint3[1] = fPointc[1];
+ }
+ nClusLay[2] = SearchClusters(2,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
+ if(nClusLay[1]==0 && nClusLay[2]==0) pflag=0;
+ if(nClusLay[2]!=0 && nClusLay[1]!=0){ pflag=1; UpdatePoints();}
+ if(nClusLay[2]!=0 && nClusLay[1]==0){
+ pflag=1;
+ fPoint3[0]=fPointc[0];
+ fPoint3[1]=fPointc[1];
+ }
+
+ nClusLay[3] = SearchClusters(3,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
+ pflag=1;
+ if(nClusLay[3]!=0) UpdatePoints();
+ nClusLay[4] = SearchClusters(4,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
+ pflag=1;
+ if(nClusLay[4]!=0) UpdatePoints();
+ nClusLay[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(nClusLay[nnp]!=0) layOK+=1;
+ }
+
+ if(layOK>=iMinNPoints) {
+ //printf("-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;
+ //printf("-NPOINTS fit: %d\n",tr2->GetNumberOfClusters());
- delete[] nn;
+ StoreTrack(tr2,event);
+ ntrack++;
+ }
+ delete trs;
+ }//end loop on clusters of layer1
+ }//end loop on windows
+ }//end loop on min points
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) {
+ //layer 1 missing. Not done for cosmics.
+ if(!fSixPoints && fOuterStartLayer==0) {
//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
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],
+ for(Int_t kk=0;kk<AliITSgeomTGeo::GetNLayers();kk++) nClusLay[kk] = 0;
+ nClusLay[0] = SearchClusters(1,fPhiWin[nloop],fLambdaWin[nloop],
trs,primaryVertex[2],pflag);
- nn[1] = SearchClusters(2,fPhiWin[nloop],fLambdaWin[nloop],
+ nClusLay[1] = SearchClusters(2,fPhiWin[nloop],fLambdaWin[nloop],
trs,primaryVertex[2],pflag);
- if(nn[1]!=0){
+ if(nClusLay[1]!=0){
pflag=1;
fPoint3[0]=fPointc[0];
fPoint3[1]=fPointc[1];
}
- nn[2]= SearchClusters(3,fPhiWin[nloop],fLambdaWin[nloop],
+ nClusLay[2]= SearchClusters(3,fPhiWin[nloop],fLambdaWin[nloop],
trs,primaryVertex[2],pflag);
- if(nn[2]!=0){
+ if(nClusLay[2]!=0){
pflag=1;
UpdatePoints();
}
- nn[3]= SearchClusters(4,fPhiWin[nloop],fLambdaWin[nloop],
+ nClusLay[3]= SearchClusters(4,fPhiWin[nloop],fLambdaWin[nloop],
trs,primaryVertex[2],pflag);
- if(nn[3]!=0){
+ if(nClusLay[3]!=0){
pflag=1;
UpdatePoints();
}
- nn[4]=SearchClusters(5,fPhiWin[nloop],fLambdaWin[nloop],
+ nClusLay[4]=SearchClusters(5,fPhiWin[nloop],fLambdaWin[nloop],
trs,primaryVertex[2],pflag);
- Int_t fl=0;
+ Int_t layOK=0;
for(Int_t nnp=0;nnp<AliITSgeomTGeo::GetNLayers()-1;nnp++){
- if(nn[nnp]!=0) fl+=1;
+ if(nClusLay[nnp]!=0) layOK+=1;
}
- if(fl>=minNPoints){ // 5/6
+ if(layOK>=minNPoints){ // 5/6
+ //printf("--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;
+ //printf("--NPOINTS fit: %d\n",tr2->GetNumberOfClusters());
- AliESDtrack outtrack;
- outtrack.UpdateTrackParams(tr2,AliESDtrack::kITSin);
- event->AddTrack(&outtrack);
+ StoreTrack(tr2,event);
ntrack++;
}
}//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) {
+ if(fOuterStartLayer>0 && !AliITSReconstructor::GetRecoParam()->GetAllowProlongationWithEmptyRoad()) {
for(Int_t innLay=1; innLay<=fOuterStartLayer; innLay++) {
//printf("Searching from layer %d outward\n",innLay);
minNPoints=AliITSgeomTGeo::GetNLayers()-innLay;
if(AliITSReconstructor::GetRecoParam()->GetLayersToSkip(i))
minNPoints--;
// 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
fPoint2[1]=arr->GetY();
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],
+ nClusLay[kk] = SearchClusters(innLay,fPhiWin[nloop],fLambdaWin[nloop],
trs,primaryVertex[2],pflag);
for(Int_t nextLay=innLay+1; nextLay<AliITSgeomTGeo::GetNLayers(); nextLay++) {
kk++;
- nn[kk] = SearchClusters(nextLay,fPhiWin[nloop],fLambdaWin[nloop],
+ nClusLay[kk] = SearchClusters(nextLay,fPhiWin[nloop],fLambdaWin[nloop],
trs,primaryVertex[2],pflag);
- if(nn[kk]!=0){
+ if(nClusLay[kk]!=0){
pflag=1;
if(kk==1) {
fPoint3[0]=fPointc[0];
}
}
- Int_t fl=0;
+ Int_t layOK=0;
for(Int_t nnp=0;nnp<AliITSgeomTGeo::GetNLayers()-innLay;nnp++){
- if(nn[nnp]!=0) fl+=1;
+ if(nClusLay[nnp]!=0) layOK+=1;
}
- if(fl>=minNPoints){
+ if(layOK>=minNPoints){
+ //printf("---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;
+ //printf("---NPOINTS fit: %d\n",tr2->GetNumberOfClusters());
-
- AliESDtrack outtrack;
- outtrack.UpdateTrackParams(tr2,AliESDtrack::kITSin);
- event->AddTrack(&outtrack);
+ StoreTrack(tr2,event);
ntrack++;
}
}//end loop on clusters of innLay
} //end loop on window sizes
- delete [] nn;
} //end loop on innLay
} //end if(fOuterStartLayer>0)
+
+ // 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) {
+ Int_t outerLayer=1; // only SPD
+ for(Int_t innLay=0; innLay<=TMath::Min(1,fOuterStartLayer); innLay++) {
+ // counter for clusters on each layer
+
+ 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();
+
+ Int_t kk;
+ for(kk=0;kk<AliITSgeomTGeo::GetNLayers();kk++) nClusLay[kk] = 0;
+
+ kk=0;
+ nClusLay[kk] = SearchClusters(innLay,fPhiWin[nloop],fLambdaWin[nloop],
+ trs,primaryVertex[2],pflag);
+ for(Int_t nextLay=innLay+1; nextLay<=outerLayer; nextLay++) {
+ kk++;
+ 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];
+ fPoint3[1]=fPointc[1];
+ } else {
+ UpdatePoints();
+ }
+ }
+ }
+
+ Int_t layOK=0;
+ for(Int_t nnp=0;nnp<AliITSgeomTGeo::GetNLayers()-innLay;nnp++){
+ if(nClusLay[nnp]!=0) layOK+=1;
+ }
+ if(layOK==1) {
+ //printf("----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;
+ //printf("----NPOINTS fit: %d\n",tr2->GetNumberOfClusters());
+
+ StoreTrack(tr2,event);
+ ntrack++;
+
+ }
+
+ delete trs;
+ }//end loop on clusters of innLay
+ } //end loop on window sizes
+
+ } //end loop on innLay
+ } // end search 1-point tracks
- delete [] firstmod;
Info("FindTracks","Number of found tracks: %d",event->GetNumberOfTracks());
return 0;
//________________________________________________________________________
-AliITStrackV2* AliITStrackerSA::FitTrack(AliITStrackSA* tr,Double_t *primaryVertex) {
+AliITStrackV2* AliITStrackerSA::FitTrack(AliITStrackSA* tr,Double_t *primaryVertex,Bool_t onePoint) {
//fit of the found track (most general case, also <6 points, layers missing)
// 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 nnn[AliITSgeomTGeo::kNLayers];
+ static Int_t kkk[AliITSgeomTGeo::kNLayers];
+ 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 nInLay=end[lay];
+ listlayer[lay][nInLay]=cl;
Int_t ind=nnn[lay];
clind[lay][ind]=index;
+ end[lay]++;
}
- delete [] nnn;
for(Int_t nlay=0;nlay<AliITSgeomTGeo::GetNLayers();nlay++){
for(Int_t ncl=0;ncl<tr->GetNumberOfMarked(nlay);ncl++){
}
}
- 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) {
- 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;
+
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;
p2=cl5;
index2=clind[5][l5];mrk2=clmark[5][l5];
break;
+ default:
+ p2=0;
+ index2=-1;mrk2=-1;
+ break;
}
Int_t module1 = p1->GetDetectorIndex()+firstmod[firstLay];
+ Int_t layer,ladder,detector;
+ AliITSgeomTGeo::GetModuleId(module1,layer,ladder,detector);
+ Float_t yclu1 = p1->GetY();
+ Float_t zclu1 = p1->GetZ();
+ Double_t cv=0,tgl2=0,phi2=0;
Int_t cln1=mrk1;
- Int_t cln2=mrk2;
AliITSclusterTable* arr1 = (AliITSclusterTable*)GetClusterCoord(firstLay,cln1);
- AliITSclusterTable* arr2 = (AliITSclusterTable*)GetClusterCoord(secondLay,cln2);
x1 = arr1->GetX();
- x2 = arr2->GetX();
y1 = arr1->GetY();
- y2 = arr2->GetY();
z1 = arr1->GetZ();
- z2 = arr2->GetZ();
sx1 = arr1->GetSx();
- sx2 = arr2->GetSx();
sy1 = arr1->GetSy();
- sy2 = arr2->GetSy();
sz1 = arr1->GetSz();
- sz2 = arr2->GetSz();
- Int_t layer,ladder,detector;
- AliITSgeomTGeo::GetModuleId(module1,layer,ladder,detector);
- Float_t yclu1 = p1->GetY();
- Float_t zclu1 = p1->GetZ();
- Double_t cv=Curvature(primaryVertex[0],primaryVertex[1],x1,y1,x2,y2);
- Double_t tgl2 = (z2-z1)/TMath::Sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
- Double_t phi2 = TMath::ATan2((y2-y1),(x2-x1));
+ if(secondLay>0) {
+ Int_t cln2=mrk2;
+ AliITSclusterTable* arr2 = (AliITSclusterTable*)GetClusterCoord(secondLay,cln2);
+ x2 = arr2->GetX();
+ y2 = arr2->GetY();
+ z2 = arr2->GetZ();
+ sx2 = arr2->GetSx();
+ sy2 = arr2->GetSy();
+ sz2 = arr2->GetSz();
+ cv = Curvature(primaryVertex[0],primaryVertex[1],x1,y1,x2,y2);
+ tgl2 = (z2-z1)/TMath::Sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
+ phi2 = TMath::ATan2((y2-y1),(x2-x1));
+ } else { // special case of 1-point tracks, only for cosmics (B=0)
+ x2 = primaryVertex[0];
+ y2 = primaryVertex[1];
+ z2 = primaryVertex[2];
+ cv = 0;
+ tgl2 = (z1-z2)/TMath::Sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
+ phi2 = TMath::ATan2((y1-y2),(x1-x2));
+ }
+
+
AliITStrackSA* trac = new AliITStrackSA(layer,ladder,detector,yclu1,zclu1,phi2,tgl2,cv,1);
//fit from layer 6 to layer 1
if(RefitAt(AliITSRecoParam::GetrInsideSPD1(),otrack2,ot)) {
fListOfTracks->AddLast(otrack2);
- new (tri[nlist]) AliITStrackSA(*trac);
- nlist++;
+ fListOfSATracks->AddLast(trac);
} else {
delete otrack2;
+ delete trac;
}
}
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) const
+{
+ //
+ // Add new track to the ESD
+ //
+ AliESDtrack outtrack;
+ outtrack.UpdateTrackParams(t,AliESDtrack::kITSin);
+ for(Int_t i=0;i<12;i++) {
+ outtrack.SetITSModuleIndex(i,t->GetModuleIndex(i));
+ }
+ event->AddTrack(&outtrack);
+
+ return;
+}
//_______________________________________________________
//_________________________________________________________________
-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
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff