* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
+
////////////////////////////////////////////////////
// Stand alone tracker class //
// Origin: Elisabetta Crescio //
// tracks are saved as AliITStrackV2 objects //
////////////////////////////////////////////////////
-//#include <stdlib.h>
-#include "TArrayI.h"
+#include <stdlib.h>
+
+#include <TArrayI.h>
#include <TBranch.h>
#include <TMath.h>
#include <TObjArray.h>
#include <TTree.h>
-#include "AliRun.h"
+
+#include "AliESD.h"
+#include "AliESDVertex.h"
+#include "AliESDtrack.h"
+#include "AliITSRiemannFit.h"
+#include "AliITSVertexer.h"
#include "AliITSclusterTable.h"
#include "AliITSclusterV2.h"
#include "AliITSgeom.h"
-#include "AliITSRiemannFit.h"
-#include "AliITStrackerSA.h"
#include "AliITStrackSA.h"
-#include "AliITSVertexer.h"
-#include "AliITSVertex.h"
-
+#include "AliITStrackerSA.h"
+#include "AliRun.h"
ClassImp(AliITStrackerSA)
//____________________________________________________________________________
-AliITStrackerSA::AliITStrackerSA():AliITStrackerV2(){
+AliITStrackerSA::AliITStrackerSA():AliITStrackerMI(){
// Default constructor
Init();
+
}
//____________________________________________________________________________
-AliITStrackerSA::AliITStrackerSA(AliITSgeom *geom, AliITSVertex *vert):AliITStrackerV2(geom)
+AliITStrackerSA::AliITStrackerSA(AliITSgeom *geom):AliITStrackerMI(geom)
{
// Standard constructor (Vertex is known and passed to this obj.)
Init();
- fVert = vert;
+ fVert = 0;
fGeom = geom;
+
}
-//______________________________________________________________________
-AliITStrackerSA::AliITStrackerSA(const AliITStrackerSA &trkr) :
- AliITStrackerV2(trkr) {
- // Copy constructor
- // Copies are not allowed. The method is protected to avoid misuse.
- Error("AliITStrackerSA","Copy constructor not allowed\n");
-}
-
-//______________________________________________________________________
-AliITStrackerSA& AliITStrackerSA::operator=(const
- AliITStrackerSA& /* trkr */){
- // Assignment operator
- // Assignment is not allowed. The method is protected to avoid misuse.
- Error("= operator","Assignment operator not allowed\n");
- return *this;
+//____________________________________________________________________________
+AliITStrackerSA::AliITStrackerSA(AliITSgeom *geom, AliESDVertex *vert):AliITStrackerMI(geom)
+{
+ // Standard constructor (Vertex is known and passed to this obj.)
+ Init();
+ fVert = vert;
+ fGeom = geom;
+
}
//____________________________________________________________________________
-AliITStrackerSA::AliITStrackerSA(AliITSgeom *geom, AliITSVertexer *vertexer):AliITStrackerV2(geom)
+AliITStrackerSA::AliITStrackerSA(AliITSgeom *geom, AliITSVertexer *vertexer):AliITStrackerMI(geom)
{
// Standard constructor (Vertex is unknown - vertexer is passed to this obj)
Init();
fVertexer = vertexer;
fGeom = geom;
+
}
//____________________________________________________________________________
-AliITStrackerSA::AliITStrackerSA(AliITStrackerSA& tracker):AliITStrackerV2(){
+AliITStrackerSA::AliITStrackerSA(AliITStrackerSA& tracker):AliITStrackerMI(){
// Copy constructor
fPhiEstimate = tracker.fPhiEstimate;
for(Int_t i=0;i<2;i++){
fPhiWin = tracker.fPhiWin;
fLambdaWin = tracker.fLambdaWin;
if(tracker.fVertexer && tracker.fVert){
- fVert = new AliITSVertex(*tracker.fVert);
+ fVert = new AliESDVertex(*tracker.fVert);
}
else {
fVert = tracker.fVert;
}
fVertexer = tracker.fVertexer;
fGeom = tracker.fGeom;
- fFlagLoad = tracker.fFlagLoad;
fTable = tracker.fTable;
+ fListOfTracks = tracker.fListOfTracks;
}
//____________________________________________________________________________
AliITStrackerSA::~AliITStrackerSA(){
// destructor
- // if fVertexer is not null, the AliITSVertex obj. is owned by this class
+ // if fVertexer is not null, the AliESDVertex obj. is owned by this class
// and is deleted here
if(fVertexer){
if(fVert)delete fVert;
fVert = 0;
fVertexer = 0;
fGeom = 0;
- fFlagLoad = 0;
if(fPhiWin)delete []fPhiWin;
if(fLambdaWin)delete []fLambdaWin;
fTable =0;
-}
+ fListOfTracks->Delete();
+ }
//____________________________________________________________________________
void AliITStrackerSA::Init(){
fVert = 0;
fVertexer = 0;
fGeom = 0;
- fFlagLoad = 0;
SetWindowSizes();
fTable = 0;
-}
+ fITSclusters = 0;
+ SetSixPoints();
+ fListOfTracks=new TObjArray(0,0);
+ }
//_______________________________________________________________________
void AliITStrackerSA::ResetForFinding(){
// Reset data members used in all loops during track finding
fCoef3=0;
fPointc[0]=0;
fPointc[1]=0;
+ fListOfTracks->Delete();
}
//____________________________________________________________________________
-void AliITStrackerSA::FindTracks(TTree *clusterTree, TTree *out,Int_t evnumber,char *opt){
+void AliITStrackerSA::FindTracks(TTree *out,Int_t evnumber){
/**************************************************************************
- * Options: to use only ITS execute FindTracks *
- * to define good tracks with 6 points out of 6 in the ITS write *
- * *opt="6/6". The default is *opt="6/6" *
+ * This function finds primary tracks.
* *
* *
* Example: to execute function with only the ITS (no combined tracking *
* with TPC+ITS) and requiring 5/6 points to define a good track *
- * use: FindTracks(treein,treeout,evnumber,"5/6") *
- * to execute combined tracking, before using FindTracks use *
+ * call SetSixPoinbts(kFALSE) in advance and then *
+ * use: FindTracks(treein,treeout,evnumber) *
+ * to execute combined tracking, before using FindTracks, use *
* UseFoundTracksV2 *
*************************************************************************/
- //options
- TString choice(opt);
- Bool_t sixpoints= choice.Contains("6/6");
-
- //Fill array with cluster indices for each module
- if(!fTable){
- fTable = new AliITSclusterTable(fGeom,this);
- fTable->FillArray(clusterTree,evnumber);
+ if(!fITSclusters){
+ Fatal("FindTracks","ITS cluster tree is not accessed - Abort!!!\n Please use method SetClusterTree to pass the pointer to the tree\n");
+ exit(1);
}
//Get primary vertex
if(fVertexer){
}
fVert->PrintStatus();
- SetEventNumber(evnumber);
- if(GetFlagLoadedClusters()==0) LoadClusters(clusterTree);
+
+ //Fill array with cluster indices for each module
+ if(!fTable){
+ fTable = new AliITSclusterTable(fGeom,this,primaryVertex);
+ fTable->FillArray(fITSclusters);
+ fTable->FillArrayCoorAngles();
+ }
+
//Fill tree for found tracks
AliITStrackV2* outrack=0;
- TBranch* branch=out->Branch("Tracks","AliITStrackV2",&outrack,32000,0);
+ TBranch* branch=out->Branch("tracks","AliITStrackV2",&outrack,32000,0);
if (!branch) out->Branch("tracks","AliITStrackV2",&outrack,32000,3);
else branch->SetAddress(&outrack);
- Int_t firstmod[fGeom->GetNlayers()];
+ Int_t * firstmod = new Int_t[fGeom->GetNlayers()];
for(Int_t i=0;i<fGeom->GetNlayers();i++){
firstmod[i]=fGeom->GetModuleIndex(i+1,1,1);
}
AliITSlayer &layer=fgLayers[0]; // first layer
Int_t ntrack=0;
+ Int_t dim=layer.GetNumberOfClusters();
//loop on the different windows
for(Int_t nloop=0;nloop<fNloop;nloop++){
- Int_t ncl=layer.GetNumberOfClusters();
- while(ncl--){ //loop starting from layer 0
+ for(Int_t ncl=0;ncl<dim;ncl++){
+ //loop starting from layer 0
ResetForFinding();
Int_t pflag=0;
AliITSclusterV2* cl = layer.GetCluster(ncl);
- if(cl->IsUsed()==1) continue;
- Double_t x,y,z;
- Int_t module = cl->GetDetectorIndex()+firstmod[0];
- GetClusterGCoordinates(cl,module,x,y,z);
- fPhic = TMath::ATan2(y,x);
- fLambdac = TMath::ATan2(z-primaryVertex[2],TMath::Sqrt((x-primaryVertex[0])*(x-primaryVertex[0])+(y-primaryVertex[1])*(y-primaryVertex[1])));
+ if(cl->IsUsed()==1) continue;
+ if(cl->TestBit(kSAflag)==kTRUE) continue;
+
+ fPhic = fTable->GetPhiCluster(0,ncl);
+ fLambdac = fTable->GetLambdaCluster(0,ncl);
fPhiEstimate = fPhic;
AliITStrackSA* trs = new AliITStrackSA();
fPoint1[0]=primaryVertex[0];
fPoint1[1]=primaryVertex[1];
- fPoint2[0]=x;
- fPoint2[1]=y;
+ fPoint2[0]=fTable->GetXCluster(0,ncl);
+ fPoint2[1]=fTable->GetYCluster(0,ncl);
- Int_t nn[fGeom->GetNlayers()];//counter for clusters on each layer
- for(Int_t i=0;i<fGeom->GetNlayers();i++){ nn[i]=0;}
- nn[0] = SearchClusters(0,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],primaryVertex[1],primaryVertex[0],pflag,fTable);
- nn[1] = SearchClusters(1,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],primaryVertex[1],primaryVertex[0],pflag,fTable);
+ Int_t * nn = new Int_t[fGeom->GetNlayers()];//counter for clusters on each layer
+ for(Int_t i=0;i<fGeom->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];
+ pflag=1;
+ fPoint3[0] = fPointc[0];
+ fPoint3[1] = fPointc[1];
}
- nn[2] = SearchClusters(2,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],primaryVertex[1],primaryVertex[0],pflag,fTable);
+ 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];
+ pflag=1;
+ fPoint3[0]=fPointc[0];
+ fPoint3[1]=fPointc[1];
}
- nn[3] = SearchClusters(3,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],primaryVertex[1],primaryVertex[0],pflag,fTable);
+ 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],primaryVertex[1],primaryVertex[0],pflag,fTable);
+ 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],primaryVertex[1],primaryVertex[0],pflag,fTable);
+ nn[5] = SearchClusters(5,fPhiWin[nloop],fLambdaWin[nloop],trs,primaryVertex[2],pflag);
Int_t layOK=0;
Int_t numberofpoints;
- if(sixpoints) numberofpoints=6; //check of the candidate track
+ if(fSixPoints) numberofpoints=6; //check of the candidate track
else numberofpoints=5; //if track is good (with the required number
for(Int_t nnp=0;nnp<fGeom->GetNlayers();nnp++){ //of points) it is written on file
- if(nn[nnp]!=0) layOK+=1;
+ if(nn[nnp]!=0) layOK+=1;
}
if(layOK>=numberofpoints){
- AliITStrackV2* tr2 = FitTrack(trs,primaryVertex,errorsprimvert,opt);
- if(tr2==0){
- Int_t nct = trs->GetNumberOfClustersSA();
- while(nct--){
- Int_t index = trs->GetClusterIndexSA(nct);
- AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
- if(kl->IsUsed()==1) kl->Use();
+ AliITStrackV2* tr2 = FitTrack(trs,primaryVertex,errorsprimvert);
+ if(tr2==0){
+ Int_t nct = trs->GetNumberOfClustersSA();
+ while(nct--){
+ Int_t index = trs->GetClusterIndexSA(nct);
+ AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
+ if(kl->TestBit(kSAflag)==kTRUE) kl->ResetBit(kSAflag);
+ }
+ delete [] nn;
+ delete trs;
+ continue;
+ }
+ outrack=tr2;
+ out->Fill();
+ ntrack++;
+ Int_t nct = tr2->GetNumberOfClusters();
+
+ while(nct--){
+ Int_t index = tr2->GetClusterIndex(nct);
+ AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
+ kl->SetBit(kSAflag);
+
+ }
+ }
+ else{
+ Int_t nct = trs->GetNumberOfClustersSA();
+ while(nct--){
+ Int_t index = trs->GetClusterIndexSA(nct);
+ AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
+ if(kl->TestBit(kSAflag)==kTRUE) kl->ResetBit(kSAflag);
+ }
+ }
+ delete [] nn;
+ delete trs;
+
+ }//end loop on clusters of layer1
+
+ }//end loop2
+
+ //if 5/6 points are required, second loop starting
+ //from second layer, to find tracks with point of
+ //layer 1 missing
+
+ if(!fSixPoints){
+ // counter for clusters on each layer
+ Int_t * nn = new Int_t[fGeom->GetNlayers()-1];
+ for(Int_t nloop=0;nloop<fNloop;nloop++){
+ AliITSlayer &layer2=fgLayers[1]; //loop on layer 2
+ Int_t ncl2=layer2.GetNumberOfClusters();
+ while(ncl2--){ //loop starting from layer 2
+ ResetForFinding();
+ Int_t pflag=0;
+ AliITSclusterV2* cl = layer2.GetCluster(ncl2);
+ if(cl->IsUsed()==1) continue;
+ if(cl->TestBit(kSAflag)==kTRUE) continue;
+ fPhic = fTable->GetPhiCluster(1,ncl2);
+ fLambdac = fTable->GetLambdaCluster(1,ncl2);
+ fPhiEstimate = fPhic;
+ AliITStrackSA* trs = new AliITStrackSA();
+
+ fPoint1[0]=primaryVertex[0];
+ fPoint1[1]=primaryVertex[1];
+ fPoint2[0]=fTable->GetXCluster(1,ncl2);;
+ fPoint2[1]=fTable->GetYCluster(1,ncl2);;
+
+ for(Int_t kk=0;kk<fGeom->GetNlayers()-1;kk++)nn[kk] = 0;
+ for(Int_t kk=0;kk<fGeom->GetNlayers()-1;kk++){
+ nn[kk] = SearchClusters(kk+1,fPhiWin[nloop],fLambdaWin[nloop],
+ trs,primaryVertex[2],pflag);
+ if(nn[kk]==0)break;
+ if(kk>0){
+ UpdatePoints();
+ pflag = 1;
+ }
+ }
+ Int_t fl=0;
+ for(Int_t nnp=0;nnp<fGeom->GetNlayers()-1;nnp++){
+ if(nn[nnp]!=0) fl+=1;
+ }
+ if(fl>=5){ // 5/6
+ AliITStrackV2* tr2 = FitTrack(trs,primaryVertex,errorsprimvert);
+ if(tr2==0){
+ Int_t nct = trs->GetNumberOfClustersSA();
+ while(nct--){
+ Int_t index = trs->GetClusterIndexSA(nct);
+ AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
+ if(kl->TestBit(kSAflag)==kTRUE) kl->ResetBit(kSAflag);
+ }
+ delete trs;
+ continue;
+ }
+ outrack=tr2;
+ out->Fill();
+ Int_t nct = tr2->GetNumberOfClusters();
+ while(nct--){
+ Int_t index = tr2->GetClusterIndex(nct);
+ AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
+ if(kl==0) continue;
+ kl->SetBit(kSAflag);
+ }
+ }
+ else{
+ Int_t nct = trs->GetNumberOfClustersSA();
+ while(nct--){
+ Int_t index = trs->GetClusterIndexSA(nct);
+ AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
+ if(kl==0) continue;
+ if(kl->TestBit(kSAflag)==kTRUE) kl->ResetBit(kSAflag);
}
+ }
+ delete trs;
+ }//end loop on clusters of layer2
+ }
+ delete [] nn;
+ } // if(!fSixPoints....
+
+ delete [] firstmod;
+ delete fTable; fTable=0;
+}
+
+
+//______________________________________________________________________
+Int_t AliITStrackerSA::FindTracks(AliESD* event){
+
+ // Track finder using the ESD object
+
+
+ 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;
+ }
+
+ //Get primary vertex
+ Double_t errorsprimvert[3];
+ Double_t primaryVertex[3];
+ event->GetVertex()->GetXYZ(primaryVertex);
+ event->GetVertex()->GetSigmaXYZ(errorsprimvert);
+
+ if(errorsprimvert[0]==0 || errorsprimvert[1]==0){
+ // Warning("FindTracks","Set errors on vertex positions x and y at 0.005");
+ errorsprimvert[0]=0.005;
+ errorsprimvert[1]=0.005;
+ }
+
+ //Fill array with cluster indices for each module
+ if(!fTable){
+ fTable = new AliITSclusterTable(fGeom,this,primaryVertex);
+ fTable->FillArray(fITSclusters);
+ fTable->FillArrayCoorAngles();
+ }
+
+ Int_t * firstmod = new Int_t[fGeom->GetNlayers()];
+ for(Int_t i=0;i<fGeom->GetNlayers();i++){
+ firstmod[i]=fGeom->GetModuleIndex(i+1,1,1);
+ }
+ // firstmod [i] number of the first module in the ITS layer i.
+
+
+ AliITSlayer &layer=fgLayers[0];
+ Int_t ntrack=0;
+ Int_t dim=layer.GetNumberOfClusters();
+ //loop on the different windows
+ for(Int_t nloop=0;nloop<fNloop;nloop++){
+ for(Int_t ncl=0;ncl<dim;ncl++){ //loop starting from layer 0
+
+ ResetForFinding();
+ Int_t pflag=0;
+ AliITSclusterV2* cl = (AliITSclusterV2*)layer.GetCluster(ncl);
+ if(cl==0) continue;
+ if(cl->IsUsed()==1) continue;
+ if(cl->TestBit(kSAflag)==kTRUE) continue;
+ if (cl->GetQ()<=0) continue;
+
+ fPhic = fTable->GetPhiCluster(0,ncl);
+ fLambdac = fTable->GetLambdaCluster(0,ncl);
+
+ 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]=fTable->GetXCluster(0,ncl);
+ fPoint2[1]=fTable->GetYCluster(0,ncl);
+ Int_t * nn = new Int_t[fGeom->GetNlayers()];//counter for clusters on each layer
+ for(Int_t i=0;i<fGeom->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;
+ Int_t numberofpoints;
+ if(fSixPoints) numberofpoints=6; //check of the candidate track
+ else numberofpoints=5; //if track is good (with the required number
+ for(Int_t nnp=0;nnp<fGeom->GetNlayers();nnp++){ //of points) it is written on file
+ if(nn[nnp]!=0) layOK+=1;
+ }
+ if(layOK>=numberofpoints){
+ AliITStrackV2* tr2 = FitTrack(trs,primaryVertex,errorsprimvert);
+ if(tr2==0){
+ Int_t nct = trs->GetNumberOfClustersSA();
+ while(nct--){
+ Int_t index = trs->GetClusterIndexSA(nct);
+ AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
+ if(kl->TestBit(kSAflag)==kTRUE) kl->ResetBit(kSAflag);
+
+ }
continue;
- }
- outrack=tr2;
- out->Fill();
+ }
+
+ AliESDtrack outtrack;
+ outtrack.UpdateTrackParams(tr2,AliESDtrack::kITSin);
+ event->AddTrack(&outtrack);
ntrack++;
Int_t nct = tr2->GetNumberOfClusters();
-
- while(nct--){
- Int_t index = tr2->GetClusterIndex(nct);
- AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
- if(kl->IsUsed()==0) kl->Use();
-
- }
- }
+ while(nct--){
+ Int_t index = tr2->GetClusterIndex(nct);
+ AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
+ kl->SetBit(kSAflag);
+
+ }
+ }
else{
Int_t nct = trs->GetNumberOfClustersSA();
while(nct--){
Int_t index = trs->GetClusterIndexSA(nct);
AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
- if(kl->IsUsed()==1) kl->Use();
+ if(kl->TestBit(kSAflag)==kTRUE) kl->ResetBit(kSAflag);
+
}
}
delete trs;
-
+ delete[] nn;
+
}//end loop on clusters of layer1
-
+
}//end loop2
+
+
//if 5/6 points are required, second loop starting
//from second layer, to find tracks with point of
//layer 1 missing
- if(!sixpoints){
+ if(!fSixPoints){
// counter for clusters on each layer
- Int_t *nn = new Int_t[fGeom->GetNlayers()-1];
+ Int_t * nn = new Int_t[fGeom->GetNlayers()-1];
for(Int_t nloop=0;nloop<fNloop;nloop++){
- AliITSlayer &layer2=fgLayers[1]; //loop on layer 2
+ AliITSlayer &layer2=fgLayers[1];
Int_t ncl2=layer2.GetNumberOfClusters();
while(ncl2--){ //loop starting from layer 2
- ResetForFinding();
- Int_t pflag=0;
- AliITSclusterV2* cl = layer2.GetCluster(ncl2);
- if(cl->IsUsed()==1) continue;
- Double_t x,y,z;
- Int_t module = cl->GetDetectorIndex()+firstmod[1];
- GetClusterGCoordinates(cl,module,x,y,z);
- fPhic = TMath::ATan2(y,x);
- fLambdac = TMath::ATan2(z-primaryVertex[2],TMath::Sqrt((x-primaryVertex[0])*(x-primaryVertex[0])+(y-primaryVertex[1])*(y-primaryVertex[1])));
-
+ ResetForFinding();
+ Int_t pflag=0;
+ AliITSclusterV2* cl = layer2.GetCluster(ncl2);
+ if(cl->IsUsed()==1) continue;
+ if(cl->TestBit(kSAflag)==kTRUE) continue;
+ fPhic = fTable->GetPhiCluster(1,ncl2);
+ fLambdac = fTable->GetLambdaCluster(1,ncl2);
fPhiEstimate = fPhic;
- AliITStrackSA* trs = new AliITStrackSA();
-
- fPoint1[0]=primaryVertex[0];
- fPoint1[1]=primaryVertex[1];
- fPoint2[0]=x;
- fPoint2[1]=y;
+ AliITStrackSA* trs = new AliITStrackSA();
+ fPoint1[0]=primaryVertex[0];
+ fPoint1[1]=primaryVertex[1];
+ fPoint2[0]=fTable->GetXCluster(1,ncl2);
+ fPoint2[1]=fTable->GetYCluster(1,ncl2);
- for(Int_t kk=0;kk<fGeom->GetNlayers()-1;kk++)nn[kk] = 0;
- for(Int_t kk=0;kk<fGeom->GetNlayers()-1;kk++){
- nn[kk] = SearchClusters(kk+1,fPhiWin[nloop],fLambdaWin[nloop],
- trs,primaryVertex[2],primaryVertex[1],primaryVertex[0],pflag,fTable);
- if(nn[kk]==0)break;
- if(kk>0){
- UpdatePoints();
- pflag = 1;
- }
- }
- Int_t fl=0;
- for(Int_t nnp=0;nnp<fGeom->GetNlayers()-1;nnp++){
- if(nn[nnp]!=0) fl+=1;
- }
- if(fl>=5){ // 5/6
- AliITStrackV2* tr2 = FitTrack(trs,primaryVertex,errorsprimvert,opt);
- if(tr2==0){
+ for(Int_t kk=0;kk<fGeom->GetNlayers()-1;kk++)nn[kk] = 0;
+ for(Int_t kk=0;kk<fGeom->GetNlayers()-1;kk++){
+ nn[kk] = SearchClusters(kk+1,fPhiWin[nloop],fLambdaWin[nloop],
+ trs,primaryVertex[2],pflag);
+ if(nn[kk]==0)break;
+ if(kk>0){
+ UpdatePoints();
+ pflag = 1;
+ }
+ }
+ Int_t fl=0;
+ for(Int_t nnp=0;nnp<fGeom->GetNlayers()-1;nnp++){
+ if(nn[nnp]!=0) fl+=1;
+ }
+ if(fl>=5){ // 5/6
+ AliITStrackV2* tr2 = FitTrack(trs,primaryVertex,errorsprimvert);
+ if(tr2==0){
Int_t nct = trs->GetNumberOfClustersSA();
- while(nct--){
- Int_t index = trs->GetClusterIndexSA(nct);
- AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
- if(kl->IsUsed()==1) kl->Use();
- }
- continue;
- }
- outrack=tr2;
- out->Fill();
- Int_t nct = tr2->GetNumberOfClusters();
- while(nct--){
- Int_t index = tr2->GetClusterIndex(nct);
- AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
- if(kl==0) continue;
- if(kl->IsUsed()==0) kl->Use();
- }
- }
- else{
- Int_t nct = trs->GetNumberOfClustersSA();
- while(nct--){
- Int_t index = trs->GetClusterIndexSA(nct);
- AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
- if(kl==0) continue;
- if(kl->IsUsed()==1) kl->Use();
+ while(nct--){
+ Int_t index = trs->GetClusterIndexSA(nct);
+ AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
+ if(kl->TestBit(kSAflag)==kTRUE) kl->ResetBit(kSAflag);
+
+ }
+
+ continue;
+ }
+
+ AliESDtrack outtrack;
+ outtrack.UpdateTrackParams(tr2,AliESDtrack::kITSin);
+ event->AddTrack(&outtrack);
+ ntrack++;
+ Int_t nct = tr2->GetNumberOfClusters();
+ while(nct--){
+ Int_t index = tr2->GetClusterIndex(nct);
+ AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
+ if(kl==0) continue;
+ kl->SetBit(kSAflag);
}
- }
- delete trs;
+ }
+ else{
+ Int_t nct = trs->GetNumberOfClustersSA();
+ while(nct--){
+ Int_t index = trs->GetClusterIndexSA(nct);
+ AliITSclusterV2* kl = (AliITSclusterV2*)GetCluster(index);
+ if(kl==0) continue;
+ if(kl->TestBit(kSAflag)==kTRUE) kl->ResetBit(kSAflag);
+
+ }
+ }
+ delete trs;
}//end loop on clusters of layer2
}
- delete []nn;
+ delete [] nn;
} //end opt="5/6"
+ delete [] firstmod;
+ delete fTable;fTable=0;
+ Info("FindTracks","Number of found tracks: %d",event->GetNumberOfTracks());
+ return 0;
- UnloadClusters();
}
-//_______________________________________________________________________
-void AliITStrackerSA::UseFoundTracksV2(Int_t evnum,TTree* treev2, TTree* clustertree){
- // Marks as used clusters belonging to tracks found with V2 TPC+ITS tracking
- if(!fTable){
- fTable = new AliITSclusterTable(fGeom,this);
- fTable->FillArray(clustertree,evnum);
- }
- LoadClusters(clustertree);
- SetFlagLoadedClusters(1);
- TBranch* bra = (TBranch*)treev2->GetBranch("tracks");
- if(!bra) Warning("UseFoundTracksV2","No branch for track tree");
- AliITStrackV2* ttrrt = new AliITStrackV2;
- bra->SetAddress(&ttrrt);
-
- for(Int_t nj=0;nj<treev2->GetEntries();nj++){
- treev2->GetEvent(nj);
- Int_t ncl = ttrrt->GetNumberOfClusters();
- for(Int_t k=0;k<ncl;k++){
- Int_t index = ttrrt->GetClusterIndex(k);
- AliITSclusterV2* clui = (AliITSclusterV2*)GetCluster(index);
- if(clui->IsUsed()==0) clui->Use();
- }
- }
- delete ttrrt;
-
-}
//________________________________________________________________________
-AliITStrackV2* AliITStrackerSA::FitTrack(AliITStrackSA* tr,Double_t *primaryVertex,Double_t *errorsprimvert,char *opt){
+AliITStrackV2* AliITStrackerSA::FitTrack(AliITStrackSA* tr,Double_t *primaryVertex,Double_t *errorsprimvert){
//fit of the found track
-//options
- TString choice(opt);
- Bool_t sixpoints= choice.Contains("6/6");
- Int_t firstmod[fGeom->GetNlayers()];
+ Int_t * firstmod = new Int_t[fGeom->GetNlayers()];
for(Int_t i=0;i<fGeom->GetNlayers();i++){
firstmod[i]=fGeom->GetModuleIndex(i+1,1,1);
}
- TObjArray* listoftracks=new TObjArray(0,0);
- AliITStrackV2* otrack2;
+
Int_t nclusters = tr->GetNumberOfClustersSA();
TObjArray** listlayer = new TObjArray*[fGeom->GetNlayers()];
for(Int_t i=0;i<fGeom->GetNlayers();i++){
TArrayI clind4(20);
TArrayI clind5(20);
- Int_t nnn[fGeom->GetNlayers()];
+ Int_t * nnn = new Int_t[fGeom->GetNlayers()];
for(Int_t i=0;i<fGeom->GetNlayers();i++)nnn[i]=0;
for(Int_t ncl=0;ncl<nclusters;ncl++){
Int_t index = tr->GetClusterIndexSA(ncl);
AliITSclusterV2* cl = (AliITSclusterV2*)GetCluster(index);
- if(cl->IsUsed()==1) cl->Use();
+
+ if(cl->TestBit(kSAflag)==kTRUE) cl->ResetBit(kSAflag);
Int_t lay = (index & 0xf0000000) >> 28;
if(lay==0) { listlayer[0]->AddLast(cl); clind0[nnn[0]]=index;nnn[0]++;}
if(lay==1) { listlayer[1]->AddLast(cl); clind1[nnn[1]]=index;nnn[1]++;}
if(lay==4) { listlayer[4]->AddLast(cl); clind4[nnn[4]]=index;nnn[4]++;}
if(lay==5) { listlayer[5]->AddLast(cl); clind5[nnn[5]]=index;nnn[5]++;}
}
+ delete [] nnn;
- Int_t end[fGeom->GetNlayers()];
+ Int_t * end = new Int_t[fGeom->GetNlayers()];
for(Int_t i=0;i<fGeom->GetNlayers();i++){
if(listlayer[i]->GetEntries()==0) end[i]=1;
else end[i]=listlayer[i]->GetEntries();
Double_t x2,y2,z2,sx2,sy2,sz2;
AliITSclusterV2* p1=0;
AliITSclusterV2* p2=0;
-
+ Int_t index1=clind0[l1];
+ Int_t index2=0;
for(Int_t l2=0;l2<end[1];l2++){//loop on layer 2
- AliITSclusterV2* cl1 = (AliITSclusterV2*)listlayer[1]->At(l2);
+ AliITSclusterV2* cl1 = (AliITSclusterV2*)listlayer[1]->At(l2);
+ index2=clind1[l2];
for(Int_t l3=0;l3<end[2];l3++){ //loop on layer 3
- AliITSclusterV2* cl2 = (AliITSclusterV2*)listlayer[2]->At(l3);
-
- if(cl0==0 && cl1!=0) {
- p2 = cl2;
- p1=cl1;
-
- }
- if(cl0!=0 && cl1==0){
- p1=cl0;
- p2=cl2;
- }
- if(cl0!=0 && cl1!=0){
- p1=cl0;
- p2=cl1;
- }
- Int_t module1 = p1->GetDetectorIndex()+firstmod[0];
- Int_t module2 = p2->GetDetectorIndex()+firstmod[1];
- GetClusterGCoordinates(p1,module1,x1,y1,z1);
- GetClusterGCoordinates(p2,module2,x2,y2,z2);
- GetClusterGErrors(p1,module1,sx1,sy1,sz1);
- GetClusterGErrors(p2,module2,sx2,sy2,sz2);
- Double_t phi1=TMath::ATan2(y1,x1);
+ AliITSclusterV2* cl2 = (AliITSclusterV2*)listlayer[2]->At(l3);
+
+ if(cl0==0 && cl1!=0) {
+ p2 = cl2;index1=clind2[l3];
+ p1=cl1;
+
+ }
+ if(cl0!=0 && cl1==0){
+ p1=cl0;
+ p2=cl2;index2=clind2[l3];
+ }
+ if(cl0!=0 && cl1!=0){
+ p1=cl0;
+ p2=cl1;
+ }
+ Int_t lay1=(index1 & 0xf0000000) >> 28;
+ Int_t cln1=(index1 & 0x0fffffff) >> 00;
+ Int_t lay2=(index2 & 0xf0000000) >> 28;
+ Int_t cln2=(index2 & 0x0fffffff) >> 00;
+ x1 = fTable->GetXCluster(lay1,cln1);
+ x2 = fTable->GetXCluster(lay2,cln2);
+ y1 = fTable->GetYCluster(lay1,cln1);
+ y2 = fTable->GetYCluster(lay2,cln2);
+ z1 = fTable->GetZCluster(lay1,cln1);
+ z2 = fTable->GetZCluster(lay2,cln2);
+ sx1 = fTable->GetXClusterError(lay1,cln1);
+ sx2 = fTable->GetXClusterError(lay2,cln2);
+ sy1 = fTable->GetYClusterError(lay1,cln1);
+ sy2 = fTable->GetYClusterError(lay2,cln2);
+ sz1 = fTable->GetZClusterError(lay1,cln1);
+ sz2 = fTable->GetZClusterError(lay2,cln2);
+ Double_t phi1 = fTable->GetPhiCluster(lay1,cln1);
+ Int_t module1 = p1->GetDetectorIndex()+firstmod[0];
recp[1] = new TVector3(x1,y1,z1);
- errs[1] = new TVector3(sx1,sy1,sz1);
- recp[2] = new TVector3(x2,y2,z2);
- errs[2] = new TVector3(sx2,sy2,sz2);
-
- //fit on the Riemann sphere
- Float_t seed1,seed2,seed3;
- AliITSRiemannFit fit;
- Int_t rf = fit.FitHelix(3,recp,errs,seed1,seed2,seed3); //this gives phi,tgl,curvature to start Kalman Filter
- if(rf==0) continue;
- Double_t phi=seed1;
- Double_t tgl=seed2;
-
- if(phi1>0){
- if(seed1>-TMath::Pi() && seed1<-0.5*TMath::Pi()){
- phi=seed1+1.5*TMath::Pi();
- tgl=seed2;
- }
- if(seed1>-0.5*TMath::Pi() && seed1<0.5*TMath::Pi()){
- phi=seed1+0.5*TMath::Pi();
- tgl=(-1)*seed2;
- }
- if(seed1>0.5*TMath::Pi() && seed1<TMath::Pi()){
- phi=seed1-0.5*TMath::Pi();
- tgl=seed2;
- }
- }
- if(phi1<0){
- if(seed1>-TMath::Pi() && seed1<-0.5*TMath::Pi()){
- phi=seed1+0.5*TMath::Pi();
- tgl=(-1)*seed2;
- }
- if(seed1>-0.5*TMath::Pi() && seed1<0.5*TMath::Pi()){
- phi=seed1-0.5*TMath::Pi();
- tgl=seed2;
- }
- if(seed1>0.5*TMath::Pi() && seed1<TMath::Pi()){
- phi=seed1-1.5*TMath::Pi();
- tgl=(-1)*seed2;
- }
- }
-
+ errs[1] = new TVector3(sx1,sy1,sz1);
+ recp[2] = new TVector3(x2,y2,z2);
+ errs[2] = new TVector3(sx2,sy2,sz2);
+
+ //fit on the Riemann sphere
+ Float_t seed1,seed2,seed3;
+ AliITSRiemannFit fit;
+ Int_t rf = fit.FitHelix(3,recp,errs,seed1,seed2,seed3); //this gives phi,tgl,curvature to start Kalman Filter
+ if(rf==0) {
+ for(Int_t i=1;i<3;i++){
+ delete recp[i];
+ delete errs[i];
+ }
+ continue;
+ }
+ Double_t phi=seed1;
+ Double_t tgl=seed2;
+
+ if(phi1>0){
+ if(seed1>-TMath::Pi() && seed1<-0.5*TMath::Pi()){
+ phi=seed1+1.5*TMath::Pi();
+ tgl=seed2;
+ }
+ if(seed1>-0.5*TMath::Pi() && seed1<0.5*TMath::Pi()){
+ phi=seed1+0.5*TMath::Pi();
+ tgl=(-1)*seed2;
+ }
+ if(seed1>0.5*TMath::Pi() && seed1<TMath::Pi()){
+ phi=seed1-0.5*TMath::Pi();
+ tgl=seed2;
+ }
+ }
+ if(phi1<0){
+ if(seed1>-TMath::Pi() && seed1<-0.5*TMath::Pi()){
+ phi=seed1+0.5*TMath::Pi();
+ tgl=(-1)*seed2;
+ }
+ if(seed1>-0.5*TMath::Pi() && seed1<0.5*TMath::Pi()){
+ phi=seed1-0.5*TMath::Pi();
+ tgl=seed2;
+ }
+ if(seed1>0.5*TMath::Pi() && seed1<TMath::Pi()){
+ phi=seed1-1.5*TMath::Pi();
+ tgl=(-1)*seed2;
+ }
+ }
+
Int_t layer,ladder,detector;
fGeom->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);
-
- for(Int_t l4=0;l4<end[3];l4++){ //loop on layer 4
- AliITSclusterV2* cl3 = (AliITSclusterV2*)listlayer[3]->At(l4);
- for(Int_t l5=0;l5<end[4];l5++){ //loop on layer 5
- AliITSclusterV2* cl4 = (AliITSclusterV2*)listlayer[4]->At(l5);
- for(Int_t l6=0;l6<end[5];l6++){ //loop on layer 6
- AliITSclusterV2* cl5 = (AliITSclusterV2*)listlayer[5]->At(l6);
- AliITStrackSA* trac = new AliITStrackSA(layer,ladder,detector,yclu1,zclu1,phi,tgl,cv,1);
-
- if(cl5!=0) trac->AddClusterV2(5,(clind5[l6] & 0x0fffffff)>>0);
- if(cl4!=0) trac->AddClusterV2(4,(clind4[l5] & 0x0fffffff)>>0);
- if(cl3!=0) trac->AddClusterV2(3,(clind3[l4] & 0x0fffffff)>>0);
- if(cl2!=0) trac->AddClusterV2(2,(clind2[l3] & 0x0fffffff)>>0);
- if(cl1!=0) trac->AddClusterV2(1,(clind1[l2] & 0x0fffffff)>>0);
- if(cl0!=0) trac->AddClusterV2(0,(clind0[l1] & 0x0fffffff)>>0);
-
- //fit with Kalman filter using AliITStrackerV2::RefitAt()
-
- AliITStrackV2* ot = new AliITStrackV2(*trac);
-
- ot->ResetCovariance();
- ot->ResetClusters();
-
- if(RefitAt(49.,ot,trac)){ //fit from layer 1 to layer 6
-
- otrack2 = new AliITStrackV2(*ot);
- otrack2->ResetCovariance();
- otrack2->ResetClusters();
- //fit from layer 6 to layer 1
- if(RefitAt(3.7,otrack2,ot)) listoftracks->AddLast(otrack2);
-
- }
-
- delete ot;
- delete trac;
- }//end loop layer 6
- }//end loop layer 5
- }//end loop layer 4
-
- for(Int_t i=1;i<3;i++){
- delete recp[i];
- delete errs[i];
- }
+ Float_t yclu1 = p1->GetY();
+ Float_t zclu1 = p1->GetZ();
+ Double_t cv=Curvature(primaryVertex[0],primaryVertex[1],x1,y1,x2,y2);
+
+ for(Int_t l4=0;l4<end[3];l4++){ //loop on layer 4
+ AliITSclusterV2* cl3 = (AliITSclusterV2*)listlayer[3]->At(l4);
+ for(Int_t l5=0;l5<end[4];l5++){ //loop on layer 5
+ AliITSclusterV2* cl4 = (AliITSclusterV2*)listlayer[4]->At(l5);
+ for(Int_t l6=0;l6<end[5];l6++){ //loop on layer 6
+ AliITSclusterV2* cl5 = (AliITSclusterV2*)listlayer[5]->At(l6);
+ AliITStrackSA* trac = new AliITStrackSA(layer,ladder,detector,yclu1,zclu1,phi,tgl,cv,1);
+
+ if(cl5!=0) trac->AddClusterV2(5,(clind5[l6] & 0x0fffffff)>>0);
+ if(cl4!=0) trac->AddClusterV2(4,(clind4[l5] & 0x0fffffff)>>0);
+ if(cl3!=0) trac->AddClusterV2(3,(clind3[l4] & 0x0fffffff)>>0);
+ if(cl2!=0) trac->AddClusterV2(2,(clind2[l3] & 0x0fffffff)>>0);
+ if(cl1!=0) trac->AddClusterV2(1,(clind1[l2] & 0x0fffffff)>>0);
+ if(cl0!=0) trac->AddClusterV2(0,(clind0[l1] & 0x0fffffff)>>0);
+
+ //fit with Kalman filter using AliITStrackerMI::RefitAt()
+
+ AliITStrackMI* ot = new AliITStrackSA(*trac);
+
+ ot->ResetCovariance();
+ ot->ResetClusters();
+
+ if(RefitAt(49.,ot,trac)){ //fit from layer 1 to layer 6
+
+ AliITStrackMI *otrack2 = new AliITStrackMI(*ot);
+ otrack2->ResetCovariance();
+ otrack2->ResetClusters();
+ //fit from layer 6 to layer 1
+ if(RefitAt(3.7,otrack2,ot)) {
+ fListOfTracks->AddLast(otrack2);
+ } else {
+ delete otrack2;
+ }
+
+ }
+
+ delete ot;
+ delete trac;
+ }//end loop layer 6
+ }//end loop layer 5
+ }//end loop layer 4
+
+ for(Int_t i=1;i<3;i++){
+ delete recp[i];
+ delete errs[i];
+ }
}//end loop layer 3
- }//end loop layer 2
+ }//end loop layer 2
delete recp[0];
delete errs[0];
delete[] recp;
delete[] errs;
}//end loop layer 1
- Int_t dim=listoftracks->GetEntries();
+ delete [] end;
+
+ Int_t dim=fListOfTracks->GetEntries();
if(dim==0){
- delete listoftracks;
for(Int_t i=0;i<fGeom->GetNlayers();i++){
delete listlayer[i];
}
- delete listlayer;
+ delete [] listlayer;
+ delete [] firstmod;
return 0;
}
- AliITStrackV2* otrack =(AliITStrackV2*)FindTrackLowChiSquare(listoftracks,dim);
+ AliITStrackV2* otrack =(AliITStrackV2*)FindTrackLowChiSquare(fListOfTracks,dim);
- if(otrack==0) return 0;
- Int_t indexc[fGeom->GetNlayers()];
+ if(otrack==0) {
+ for(Int_t i=0;i<fGeom->GetNlayers();i++){
+ delete listlayer[i];
+ }
+ delete [] listlayer;
+ delete [] firstmod;
+ return 0;
+ }
+ Int_t * indexc = new Int_t[fGeom->GetNlayers()];
for(Int_t i=0;i<fGeom->GetNlayers();i++) indexc[i]=0;
for(Int_t nind=0;nind<otrack->GetNumberOfClusters();nind++){
indexc[nind] = otrack->GetClusterIndex(nind);
labl[1]=cl5->GetLabel(1);
labl[2]=cl5->GetLabel(2);
}
+ delete [] indexc;
if(otrack->GetNumberOfClusters()==(fGeom->GetNlayers()-1)){
labl[0]=-1;
labl[1]=-1;
labl[2]=-1;
}
Int_t numberofpoints;
- if(sixpoints) numberofpoints=6;
+ if(fSixPoints) numberofpoints=6;
else numberofpoints=5;
+ CookLabel(otrack,0.); //MI change - to see fake ratio
Int_t label = Label(cl0->GetLabel(0),cl1->GetLabel(0),
- cl2->GetLabel(0),cl3->GetLabel(0),
- cl4->GetLabel(0),labl[0],
- cl0->GetLabel(1),cl1->GetLabel(1),
- cl2->GetLabel(1),cl3->GetLabel(1),
- cl4->GetLabel(1),labl[1],
- cl0->GetLabel(2),cl1->GetLabel(2),
- cl2->GetLabel(2),cl3->GetLabel(2),
- cl4->GetLabel(2),labl[2],numberofpoints);
+ cl2->GetLabel(0),cl3->GetLabel(0),
+ cl4->GetLabel(0),labl[0],
+ cl0->GetLabel(1),cl1->GetLabel(1),
+ cl2->GetLabel(1),cl3->GetLabel(1),
+ cl4->GetLabel(1),labl[1],
+ cl0->GetLabel(2),cl1->GetLabel(2),
+ cl2->GetLabel(2),cl3->GetLabel(2),
+ cl4->GetLabel(2),labl[2],numberofpoints);
otrack->SetLabel(label);
- delete listoftracks;
for(Int_t i=0;i<fGeom->GetNlayers();i++){
delete listlayer[i];
}
- delete listlayer;
+ delete [] listlayer;
+ delete [] firstmod;
return otrack;
}
-//________________________________________________________________
-void AliITStrackerSA::UpdatePoints(){
- //update of points for the estimation of the curvature
+//_______________________________________________________________________
+void AliITStrackerSA::UseFoundTracksV2(Int_t evnum,TTree* treev2){
+ // Marks as used clusters belonging to tracks found with V2 TPC+ITS tracking
+ //(or AliITStrackV2 tracks found with function FindTracks of this class)
+
- fPoint1[0]=fPoint2[0];
- fPoint1[1]=fPoint2[1];
- fPoint2[0]=fPoint3[0];
- fPoint2[1]=fPoint3[1];
- fPoint3[0]=fPointc[0];
- fPoint3[1]=fPointc[1];
+ //Get primary vertex
+ if(fVertexer){
+ if(fVert)delete fVert;
+ fVert = fVertexer->FindVertexForCurrentEvent(evnum);
+ }
+ else {
+ gAlice->GetEvent(evnum);
+ if(!fVert){
+ Fatal("FindTracks","Vertex is missing\n");
+ return;
+ }
+ }
+ Double_t primaryVertex[3];
+ fVert->GetXYZ(primaryVertex);
+
+ if(!fTable){
+ fTable = new AliITSclusterTable(fGeom,this,primaryVertex);
+ fTable->FillArray(fITSclusters);
+ fTable->FillArrayCoorAngles();
+ }
+ TBranch* bra = (TBranch*)treev2->GetBranch("tracks");
+ if(!bra) Warning("UseFoundTracksV2","No branch for track tree");
+ AliITStrackV2* ttrrt = new AliITStrackV2;
+ bra->SetAddress(&ttrrt);
+
+ for(Int_t nj=0;nj<treev2->GetEntries();nj++){
+ treev2->GetEvent(nj);
+ Int_t ncl = ttrrt->GetNumberOfClusters();
+ for(Int_t k=0;k<ncl;k++){
+ Int_t index = ttrrt->GetClusterIndex(k);
+ AliITSclusterV2* clui = (AliITSclusterV2*)GetCluster(index);
+ if(clui->IsUsed()==0) clui->Use();
+
+ }
+ }
+ delete ttrrt;
}
-//_________________________________________________________________
+//_______________________________________________________________________
+void AliITStrackerSA::UseFoundTracksV2(AliESD *event){
+ // Marks as used clusters belonging to tracks found with V2 TPC+ITS tracking
+
+ //Get primary vertex
-Int_t AliITStrackerSA::SearchClusters(Int_t layer,Double_t phiwindow,Double_t lambdawindow, AliITStrackSA* trs,Double_t zvertex,Double_t yvertex,Double_t xvertex,Int_t pflag,AliITSclusterTable* table){
+ Double_t primaryVertex[3];
+ event->GetVertex()->GetXYZ(primaryVertex);
+
+ if(!fTable){
+ fTable = new AliITSclusterTable(fGeom,this,primaryVertex);
+ fTable->FillArray(fITSclusters);
+ fTable->FillArrayCoorAngles();
+ }
+
+ Int_t ntracks = event->GetNumberOfTracks();
+ while (ntracks--) {
+ AliESDtrack *esd=event->GetTrack(ntracks);
+ if ((esd->GetStatus()&
+ AliESDtrack::kITSin|AliESDtrack::kTPCin)==0) continue;
+ UInt_t idx[6];
+ Int_t ncl = esd->GetITSclusters(idx);
+ for(Int_t clu=0; clu<ncl; clu++){
+ AliITSclusterV2* cl = (AliITSclusterV2*)GetCluster(idx[clu]);
+ if(cl->IsUsed()==0) cl->Use();
+ }
+ }
+
+ Info("UseFoundTracksV2","Clusters of tracks prolonged from TPC deleted");
+
+
+}
+
+/*
+//_______________________________________________________
+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
Int_t nc=0;
AliITSlayer &lay = fgLayers[layer];
- Int_t firstmod[fGeom->GetNlayers()];
+ Int_t * firstmod = new Int_t[fGeom->GetNlayers()];
for(Int_t i=0;i<fGeom->GetNlayers();i++){
firstmod[i]=fGeom->GetModuleIndex(i+1,1,1);
}
Float_t cx1,cx2,cy1,cy2;
FindEquation(fPoint1[0],fPoint1[1],fPoint2[0],fPoint2[1],fPoint3[0],fPoint3[1],fCoef1,fCoef2,fCoef3);
Int_t fun = FindIntersection(fCoef1,fCoef2,fCoef3,-(lay.GetR()*lay.GetR()),cx1,cy1,cx2,cy2);
- if(fun==0) return 0;
+ if(fun==0) {
+ delete[] firstmod;
+ return 0;
+ }
+
Double_t fi1 =TMath::ATan2(cy1,cx1);
Double_t fi2 =TMath::ATan2(cy2,cx2);
fPhiEstimate = ChoosePoint(fi1,fi2,fPhic);
Double_t zed2 = TMath::Tan(fLambdac-lambdawindow)*lay.GetR()+zvertex;
Double_t fi = fPhiEstimate;
- Int_t nmod = lay.FindDetectorIndex(fi,zed)+firstmod[layer];
+ Int_t nmod = lay.FindDetectorIndex(fi,zed);
+ if (nmod < 0) {
+ delete[] firstmod;
+ return 0;
+ }
+ nmod += firstmod[layer];
Int_t nm[8]={0,0,0,0,0,0,0,0};
- nm[0] = lay.FindDetectorIndex(fi+phiwindow,zed)+firstmod[layer];
- nm[1] = lay.FindDetectorIndex(fi-phiwindow,zed)+firstmod[layer];
- nm[2] = lay.FindDetectorIndex(fi,zed1)+firstmod[layer];
- nm[3] = lay.FindDetectorIndex(fi,zed2)+firstmod[layer];
- nm[4] = lay.FindDetectorIndex(fi+phiwindow,zed1)+firstmod[layer];
- nm[5] = lay.FindDetectorIndex(fi-phiwindow,zed1)+firstmod[layer];
- nm[6] = lay.FindDetectorIndex(fi+phiwindow,zed2)+firstmod[layer];
- nm[7] = lay.FindDetectorIndex(fi-phiwindow,zed2)+firstmod[layer];
+ nm[0] = lay.FindDetectorIndex(fi+phiwindow,zed);
+ nm[1] = lay.FindDetectorIndex(fi-phiwindow,zed);
+ nm[2] = lay.FindDetectorIndex(fi,zed1);
+ nm[3] = lay.FindDetectorIndex(fi,zed2);
+ nm[4] = lay.FindDetectorIndex(fi+phiwindow,zed1);
+ nm[5] = lay.FindDetectorIndex(fi-phiwindow,zed1);
+ nm[6] = lay.FindDetectorIndex(fi+phiwindow,zed2);
+ nm[7] = lay.FindDetectorIndex(fi-phiwindow,zed2);
+
-
- if(nmod<0) return 0;
Int_t nn=0;
- TArrayI* array =(TArrayI*)table->GetListOfClusters(nmod);
- TArrayI* list = new TArrayI(array->GetSize());
+ TArrayI* array =(TArrayI*)fTable->GetListOfClusters(nmod);
+ TArrayI* listc = new TArrayI(array->GetSize());
for(Int_t i=0;i<array->GetSize();i++){
Int_t in=(Int_t)array->At(i);
- list->AddAt(in,nn);
+ listc->AddAt(in,nn);
nn++;
}
-
+
+ Int_t k=0;
+ Int_t val;
+ while(k<8){
+ for(Int_t h=k+1;h<8;h++){
+ if(nm[k]>nm[h]){
+ val=nm[k];
+ nm[k]=nm[h];
+ nm[h]=val;
+ }
+
+ }
+ k++;
+ }
+
+ Int_t value=-5;
+
for(Int_t ii=0;ii<8;ii++){
- if(nm[ii]!=nmod && nm[ii]>=0){
- TArrayI* ar =(TArrayI*)table->GetListOfClusters(nm[ii]);
- list->Set(list->GetSize()+ar->GetSize());
+ if(nm[ii]!=value && nm[ii]!=nmod && nm[ii]>=0){
+ TArrayI* ar =(TArrayI*)fTable->GetListOfClusters(nm[ii]+firstmod[layer]);
+ listc->Set(listc->GetSize()+ar->GetSize());
for(Int_t j=0;j<ar->GetSize();j++){
Int_t in=(Int_t)ar->At(j);
- list->AddAt(in,nn);
+ listc->AddAt(in,nn);
nn++;
+ value=nm[ii];
}
}
}
- for(Int_t i=0;i<list->GetSize();i++){
- Int_t index = (Int_t)list->At(i);
+
+
+ for(Int_t i=0;i<listc->GetSize();i++){
+ Int_t index = (Int_t)listc->At(i);
AliITSclusterV2* cllay = lay.GetCluster(index);
if(cllay==0) continue;
if(cllay->IsUsed()==1) continue;
-
- Double_t x,y,z;
- Int_t modlay = cllay->GetDetectorIndex()+firstmod[layer];
- GetClusterGCoordinates(cllay,modlay,x,y,z);
- Double_t phi = TMath::ATan2(y,x);
- Double_t lambda=TMath::ATan2(z-zvertex,TMath::Sqrt((x-xvertex)*(x-xvertex)+(y-yvertex)*(y-yvertex)));
-
-
+ if(cllay->TestBit(kSAflag)==kTRUE) continue;
+ Double_t phi = fTable->GetPhiCluster(layer,index);
+ Double_t lambda= fTable->GetLambdaCluster(layer,index);
+
if(TMath::Abs(fLambdac-lambda)<lambdawindow &&
TMath::Abs(fPhiEstimate-phi)<phiwindow){
nc+=1;
fLambdac = lambda;
- if(trs->GetNumberOfClustersSA()==20){
- delete list;
- return 0;
+ if(trs->GetNumberOfClustersSA()==15){
+ delete[] firstmod;
+ delete listc;
+ return 0;
}
trs->AddClusterSA(layer,index);
- cllay->Use();
+ cllay->SetBit(kSAflag);
fPhiEstimate=phi;
- fPointc[0]=x;fPointc[1]=y;
+ fPointc[0]=fTable->GetXCluster(layer,index);
+ fPointc[1]=fTable->GetYCluster(layer,index);
}
}
- delete list;
+ delete listc;
+ delete [] firstmod;
return nc;
}
+*/
-//__________________________________________________________________
-void AliITStrackerSA::GetClusterGCoordinates(AliITSclusterV2* cluster,Int_t module,Double_t& x, Double_t& y, Double_t& z){
- //returns x,y,z of cluster in global coordinates
+//_______________________________________________________
+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
+ Int_t nc=0;
+ AliITSlayer &lay = fgLayers[layer];
+ Double_t r=lay.GetR(),tgl=TMath::Tan(fLambdac);
+
+ if(pflag==1){
+ Float_t cx1,cx2,cy1,cy2;
+ FindEquation(fPoint1[0],fPoint1[1],fPoint2[0],fPoint2[1],fPoint3[0],fPoint3[1],fCoef1,fCoef2,fCoef3);
+ if (FindIntersection(fCoef1,fCoef2,fCoef3,-r*r,cx1,cy1,cx2,cy2)==0)
+ return 0;
+ Double_t fi1=TMath::ATan2(cy1,cx1);
+ Double_t fi2=TMath::ATan2(cy2,cx2);
+ fPhiEstimate=ChoosePoint(fi1,fi2,fPhic);
+ }
- Double_t rot[9]; fGeom->GetRotMatrix(module,rot);
- Int_t lay,lad,det; fGeom->GetModuleId(module,lay,lad,det);
- Float_t tx,ty,tz; fGeom->GetTrans(lay,lad,det,tx,ty,tz);
+ Double_t dz=r*lambdawindow*TMath::Sqrt(1+tgl*tgl) + 0.3*TMath::Abs(tgl);
+ Double_t zmax=r*tgl + zvertex + dz;
+ Double_t zmin=r*tgl + zvertex - dz;
- Double_t alpha=TMath::ATan2(rot[1],rot[0])+TMath::Pi();
- Double_t phi=TMath::Pi()/2+alpha;
- if (lay==1) phi+=TMath::Pi();
+ Int_t indmin = lay.FindClusterIndex(zmin);
+ Int_t indmax = lay.FindClusterIndex(zmax);
+ for (Int_t index=indmin; index<indmax; index++) {
+ AliITSclusterV2 *c=lay.GetCluster(index);
+ if (c->IsUsed()) continue;
+ if (c->GetQ()<=0) continue;
+ if (c->TestBit(kSAflag)==kTRUE) continue;
- Double_t cp=TMath::Cos(phi), sp=TMath::Sin(phi);
- Double_t r=tx*cp+ty*sp;
+ Double_t phi =fTable->GetPhiCluster(layer,index);
+ if (TMath::Abs(phi-fPhiEstimate)>phiwindow) continue;
- x= r*cp - cluster->GetY()*sp;
- y= r*sp + cluster->GetY()*cp;
- z=cluster->GetZ();
+ Double_t lambda=fTable->GetLambdaCluster(layer,index);
+ if (TMath::Abs(lambda-fLambdac)>lambdawindow) continue;
-
+ if(trs->GetNumberOfClustersSA()==15) return 0;
+ trs->AddClusterSA(layer,index);
+ nc++;
+ fLambdac=lambda;
+ fPhiEstimate=phi;
+ fPointc[0]=fTable->GetXCluster(layer,index);
+ fPointc[1]=fTable->GetYCluster(layer,index);
+
+ c->SetBit(kSAflag);
+ }
+ return nc;
}
-//__________________________________________________________________
-void AliITStrackerSA::GetClusterGErrors(AliITSclusterV2* cluster,Int_t module,Double_t& sigmax, Double_t& sigmay, Double_t& sigmaz){
- //returns x,y,z of cluster in global coordinates
- Double_t rot[9]; fGeom->GetRotMatrix(module,rot);
- Int_t lay,lad,det; fGeom->GetModuleId(module,lay,lad,det);
-
- Double_t alpha=TMath::ATan2(rot[1],rot[0])+TMath::Pi();
- Double_t phi=TMath::Pi()/2+alpha;
- if (lay==1) phi+=TMath::Pi();
+//________________________________________________________________
+void AliITStrackerSA::UpdatePoints(){
+ //update of points for the estimation of the curvature
- Double_t cp=TMath::Cos(phi), sp=TMath::Sin(phi);
+ //fPoint1[0]=fPoint2[0];
+ //fPoint1[1]=fPoint2[1];
+ fPoint2[0]=fPoint3[0];
+ fPoint2[1]=fPoint3[1];
+ fPoint3[0]=fPointc[0];
+ fPoint3[1]=fPointc[1];
-
- sigmax = TMath::Sqrt(sp*sp*cluster->GetSigmaY2());
- sigmay = TMath::Sqrt(cp*cp*cluster->GetSigmaY2());
- sigmaz = TMath::Sqrt(cluster->GetSigmaZ2());
+
}
//___________________________________________________________________
//c2 is -rlayer*rlayer
if(a1==0) return 0;
- Float_t m = c2-c1;
- Float_t aA = (b1*b1)/(a1*a1)+1;
- Float_t bB = (-2*m*b1/(a1*a1));
- Float_t cC = c2+(m*m)/(a1*a1);
- if((bB*bB-4*aA*cC)<0) return 0;
+ Double_t m = c2-c1;
+ Double_t aA = (b1*b1)/(a1*a1)+1;
+ Double_t bB = (-2*m*b1/(a1*a1));
+ Double_t cC = c2+(m*m)/(a1*a1);
+ Double_t dD = bB*bB-4*aA*cC;
+ if(dD<0) return 0;
- y1 = (-bB+TMath::Sqrt(bB*bB-4*aA*cC))/(2*aA);
- y2 = (-bB-TMath::Sqrt(bB*bB-4*aA*cC))/(2*aA);
+ y1 = (-bB+TMath::Sqrt(dD))/(2*aA);
+ y2 = (-bB-TMath::Sqrt(dD))/(2*aA);
x1 = (c2-c1-b1*y1)/a1;
x2 = (c2-c1-b1*y2)/a1;
return trk;
}
if(dim==0) return 0;
- Double_t chi2[dim];
- Int_t index[dim];
+ 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();
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;
+ value=chi2[w];
+ chi2[w]=chi2[j];
+ chi2[j]=value;
+ lp=index[w];
+ index[w]=index[j];
+ index[j]=lp;
}
}
w++;
}
AliITStrackV2* trk = (AliITStrackV2*)tracklist->At(index[dim-1]);
+ delete [] chi2;
+ delete [] index;
return trk;
}
}
}
else { // default values
- Double_t phid[46] = {0.001,0.0015,0.002,0.0023,0.0025,0.0027,0.003,
- 0.0033,0.0035,0.0037,0.004,0.0043,0.0045,0.0047,
- 0.005,0.0053,0.0055,
- 0.006,0.0063,0.0065,0.007,0.0073,0.0075,0.0077,
- 0.008,0.0083,0.0085,0.0087,0.009,0.0095,0.0097,
- 0.01,0.0105,0.011,0.0115,0.012,0.0125,0.013,0.0135,
- 0.014,0.0145,0.015,0.0155,0.016,0.0165,0.017};
- Double_t lambdad[46] = {0.001,0.0015,0.002,0.0023,0.0025,0.0027,0.003,
- 0.0033,0.0035,0.0037,0.004,0.0043,0.0045,0.0047,
- 0.005,0.0053,0.0055,
- 0.006,0.0063,0.0065,0.007,0.0073,0.0075,0.0077,
- 0.008,0.0083,0.0085,0.0087,0.009,0.0095,0.0097,
- 0.01,0.015,0.011,0.0115,0.012,0.0125,0.013,0.0135,
- 0.014,0.0145,0.015,0.0155,0.016,0.016,0.016};
- if(fNloop!=46){
- fNloop = 46;
- Warning("SetWindowSizes","Number of loop forced to the default value %d",fNloop);
+
+ Double_t phid[33] = {0.002,0.003,0.004,0.0045,0.0047,
+ 0.005,0.0053,0.0055,
+ 0.006,0.0063,0.0065,0.007,0.0073,0.0075,0.0077,
+ 0.008,0.0083,0.0085,0.0087,0.009,0.0095,0.0097,
+ 0.01,0.0105,0.011,0.0115,0.012,0.0125,0.013,0.0135,0.0140,0.0145};
+ Double_t lambdad[33] = {0.003,0.004,0.005,0.005,0.005,
+ 0.005,0.005,0.006,
+ 0.006,0.006,0.006,0.007,0.007,0.007,0.007,
+ 0.007,0.007,0.007,0.007,0.007,0.007,0.007,
+ 0.008,0.008,0.008,0.008,0.008,0.008,0.008,0.008,0.008,0.008};
+
+ if(fNloop!=33){
+ fNloop = 33;
}
-
+
+
fPhiWin = new Double_t[fNloop];
fLambdaWin = new Double_t[fNloop];
}
}
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git://git.uio.no / u / mrichter / AliRoot.git / blobdiff