#include <stream.h>
#include <string.h>
+#include <math.h>
#include "AliL3ModelTrack.h"
-#include "AliL3Defs.h"
+#include "AliL3Transform.h"
ClassImp(AliL3ModelTrack)
{
fNClusters = 0;
fClusters = 0;
- fOverlap = -1;
+ fOverlap = 0;
fPad=0;
fTime=0;
fClusterCharge=0;
+ fTrackModel=0;
+ fTransform = 0;
}
delete [] fPad;
if(fTime)
delete [] fTime;
+ if(fOverlap)
+ delete [] fOverlap;
+ if(fTrackModel)
+ delete fTrackModel;
+ if(fTransform)
+ delete fTransform;
}
void AliL3ModelTrack::Init(Int_t slice,Int_t patch)
{
fNClusters = 0;
+ fSlice=slice;
+ fPatch=patch;
Int_t nrows = NumRows[patch];
- fClusters = new ClusterComp[nrows];
- memset((void*)fClusters,0,nrows*sizeof(ClusterComp));
+ fClusters = new AliL3ClusterModel[nrows];
+ fPad = new Float_t[nrows];
+ fTime = new Float_t[nrows];
+ fTrackModel = new AliL3TrackModel;
+ fOverlap = new Int_t[nrows];
+
+ memset(fClusters,0,nrows*sizeof(AliL3ClusterModel));
+ memset(fPad,0,nrows*sizeof(Float_t));
+ memset(fTime,0,nrows*sizeof(Float_t));
+ memset(fTrackModel,0,sizeof(AliL3TrackModel));
+ for(Int_t i=0; i<nrows; i++)
+ fOverlap[i]=-1;
+
+ fTransform = new AliL3Transform();
+ fClusterCharge = 260;
- fPad = new Float_t[NRowsSlice];
- fTime = new Float_t[NRowsSlice];
- fClusterCharge = 100;
+ fXYResidualQ = 0.1/fTransform->GetPadPitchWidth(patch);
+ fZResidualQ = 0.1/fTransform->GetPadPitchWidth(patch);
+ fXYWidthQ = 0.01;
+ fZWidthQ = 0.01;
}
-void AliL3ModelTrack::SetCluster(Float_t fpad,Float_t ftime,Float_t charge,Float_t sigmaY2,Float_t sigmaZ2)
+void AliL3ModelTrack::SetCluster(Int_t row,Float_t fpad,Float_t ftime,Float_t charge,Float_t sigmaY2,Float_t sigmaZ2)
{
- ClusterComp *cl = &fClusters[fNClusters];
+ Int_t index = row - NRows[fPatch][0];
+ if(index != fNClusters)
+ cout<<"AliL3ModelTrack::SetCluster() : Mismatch ; index: "<<index<<" nclusters "<<fNClusters<<endl;
+
+ if(index < 0 || index > NumRows[fPatch])
+ {
+ cerr<<"AliL3ModelTrack::SetCluster() : Wrong index: "<<index<<" row "<<row<<endl;
+ return;
+ }
+ AliL3ClusterModel *cl = GetClusterModel(row);
if(!charge)
- cl->fEmpty = kTRUE;
+ cl->fPresent = kFALSE;
else
{
- cl->fEmpty = kFALSE;
- cl->fDTime = ftime - GetTimeHit(fNClusters);
- cl->fDPad = fpad - GetPadHit(fNClusters);
+ cl->fPresent = kTRUE;
+ cl->fDTime = (ftime - GetTimeHit(row))/fXYResidualQ;
+ cl->fDPad = (fpad - GetPadHit(row))/fZResidualQ;
cl->fDCharge = charge - fClusterCharge;
+ cl->fDSigmaY2 = sigmaY2/fXYWidthQ;
+ cl->fDSigmaZ2 = sigmaZ2/fZWidthQ;
}
- cout<<"DPad "<<fpad<<" dtime "<<ftime<<" charge "<<charge<<" sigmaY2 "<<sigmaY2<<" sigmaZ2 "<<sigmaZ2<<endl;
+
fNClusters++;
}
+
+void AliL3ModelTrack::FillModel()
+{
+ //Fill the track structure
+
+ if(!fTrackModel)
+ {
+ cerr<<"AliL3ModelTrack::FillModel() : No trackmodel "<<endl;
+ return;
+ }
+ fTrackModel->fKappa = GetKappa();
+ fTrackModel->fFirstPointX = GetFirstPointX();
+ fTrackModel->fFirstPointY = GetFirstPointY();
+ fTrackModel->fFirstPointZ = GetFirstPointZ();
+ fTrackModel->fTgl = GetTgl();
+ fTrackModel->fPsi = GetPsi();
+ fTrackModel->fLength = (Short_t)GetLength();
+ fTrackModel->fClusterCharge = fClusterCharge;
+ fTrackModel->fNClusters = fNClusters;
+
+}
+
+void AliL3ModelTrack::FillTrack()
+{
+ //Fill the track parameters from the structure.
+
+ if(!fTrackModel)
+ {
+ cerr<<"AliL3ModelTrack::FillTrack() : No data!!"<<endl;
+ return;
+ }
+ SetKappa(fTrackModel->fKappa);
+ SetCharge((-1*(Int_t)copysign(1.,GetKappa())));
+ SetFirstPoint(fTrackModel->fFirstPointX,fTrackModel->fFirstPointY,fTrackModel->fFirstPointZ);
+ SetTgl(fTrackModel->fTgl);
+ SetPsi(fTrackModel->fPsi);
+ SetLength(fTrackModel->fLength);
+ fClusterCharge=fTrackModel->fClusterCharge;
+ fNClusters = fTrackModel->fNClusters;
+ SetPt((BFACT*BField)/fabs(GetKappa()));
+
+ CalculateHelix();
+
+ Float_t hit[3];
+ Int_t sector,row;
+ for(Int_t i=NRows[fPatch][0]; i<=NRows[fPatch][1]; i++)
+ {
+ AliL3ClusterModel *cl = GetClusterModel(i);
+ if(!cl) continue;
+ GetCrossingPoint(i,hit);
+ fTransform->Slice2Sector(fSlice,i,sector,row);
+ fTransform->Local2Raw(hit,sector,row);
+ SetPadHit(i,hit[1]);
+ SetTimeHit(i,hit[2]);
+ }
+}
+
+void AliL3ModelTrack::SetPadHit(Int_t row,Float_t pad)
+{
+ Int_t index = row-NRows[fPatch][0];
+ if(index < 0 || index > NumRows[fPatch])
+ {
+ cerr<<"AliL3ModelTrack::SetPadHit() : Wrong index: "<<index<<endl;
+ return;
+ }
+ fPad[index]=pad;
+
+}
+
+void AliL3ModelTrack::SetTimeHit(Int_t row,Float_t time)
+{
+ Int_t index = row-NRows[fPatch][0];
+ if(index < 0 || index > NumRows[fPatch])
+ {
+ cerr<<"AliL3ModelTrack::SetTimeHit() : Wrong index: "<<index<<endl;
+ return;
+ }
+ fTime[index]=time;
+}
+
+void AliL3ModelTrack::SetOverlap(Int_t row,Int_t id)
+{
+ Int_t index = row-NRows[fPatch][0];
+ if(index < 0 || index > NumRows[fPatch])
+ {
+ cerr<<"AliL3ModelTrack::SetOverlap() : Wrong index: "<<index<<endl;
+ return;
+ }
+ fOverlap[index]=id;
+}
+
+Bool_t AliL3ModelTrack::GetPad(Int_t row,Float_t &pad)
+{
+ //(ftime - GetTimeHit(fNClusters))/fXYResidualQ;
+ //(fpad - GetPadHit(fNClusters))/fZResidualQ;
+
+ AliL3ClusterModel *cl = GetClusterModel(row);
+ pad = cl->fDPad*fXYResidualQ + GetPadHit(row);
+
+ return (Bool_t)cl->fPresent;
+}
+
+Bool_t AliL3ModelTrack::GetTime(Int_t row,Float_t &time)
+{
+ AliL3ClusterModel *cl = GetClusterModel(row);
+ time = cl->fDTime*fZResidualQ + GetTimeHit(row);
+
+ return (Bool_t)cl->fPresent;
+}
+
+Bool_t AliL3ModelTrack::GetClusterCharge(Int_t row,Int_t &charge)
+{
+ AliL3ClusterModel *cl = GetClusterModel(row);
+ charge = (Int_t)cl->fDCharge + fClusterCharge;
+
+ return (Bool_t)cl->fPresent;
+}
+
+Bool_t AliL3ModelTrack::GetXYWidth(Int_t row,Float_t &width)
+{
+ AliL3ClusterModel *cl = GetClusterModel(row);
+ width = cl->fDSigmaY2*fXYWidthQ;
+
+ return (Bool_t)cl->fPresent;
+}
+
+Bool_t AliL3ModelTrack::GetZWidth(Int_t row,Float_t &width)
+{
+ AliL3ClusterModel *cl = GetClusterModel(row);
+ width = cl->fDSigmaZ2*fZWidthQ;
+
+ return (Bool_t)cl->fPresent;
+}
+
+Bool_t AliL3ModelTrack::GetPadResidual(Int_t row,Float_t &res)
+{
+ res = fClusters[row].fDPad;
+ return fClusters[row].fPresent;
+}
+
+Bool_t AliL3ModelTrack::GetTimeResidual(Int_t row,Float_t &res)
+{
+ res = fClusters[row].fDTime;
+ return fClusters[row].fPresent;
+}
+
+Float_t AliL3ModelTrack::GetPadHit(Int_t row)
+{
+ Int_t index = row-NRows[fPatch][0];
+ if(index < 0 || index > NumRows[fPatch])
+ {
+ cerr<<"AliL3ModelTrack::GetPadHit() : Wrong index: "<<index<<" row "<<row<<endl;
+ return 0;
+ }
+ return fPad[index];
+}
+
+Float_t AliL3ModelTrack::GetTimeHit(Int_t row)
+{
+ Int_t index = row-NRows[fPatch][0];
+ if(index < 0 || index > NumRows[fPatch])
+ {
+ cerr<<"AliL3ModelTrack::GetTimeHit() : Wrong index: "<<index<<" row "<<row<<endl;
+ return 0;
+ }
+ return fTime[index];
+}
+
+Int_t AliL3ModelTrack::GetOverlap(Int_t row)
+{
+ Int_t index = row-NRows[fPatch][0];
+ if(index < 0 || index > NumRows[fPatch])
+ {
+ cerr<<"AliL3ModelTrack::GetOverlap() : Wrong index: "<<index<<endl;
+ return 0;
+ }
+ return fOverlap[index];
+}
+
+AliL3ClusterModel *AliL3ModelTrack::GetClusterModel(Int_t row)
+{
+ if(!fClusters) return 0;
+ Int_t index = row-NRows[fPatch][0];
+ if(index < 0 || index > NumRows[fPatch])
+ {
+ cerr<<"AliL3ModelTrack::GetClusterModel() : Wrong index: "<<index<<endl;
+ return 0;
+ }
+ return &fClusters[index];
+}
+
+void AliL3ModelTrack::Print()
+{
+ //Print info
+
+ cout<<"---------------------"<<endl;
+ cout<<"First point "<<GetFirstPointX()<<" "<<GetFirstPointY()<<" "<<GetFirstPointZ()<<endl;
+ cout<<"Last point "<<GetLastPointX()<<" "<<GetLastPointY()<<" "<<GetLastPointZ()<<endl;
+ cout<<"Pt "<<GetPt()<<" kappa "<<GetKappa()<<" tgl "<<GetTgl()<<" psi "<<GetPsi()<<" charge "<<GetCharge()<<endl;
+ cout<<"Center "<<GetCenterX()<<" "<<GetCenterY()<<endl<<endl;
+ cout<<"NHits "<<GetNClusters()<<endl;
+ cout<<"Clusters:"<<endl;
+
+ for(Int_t i=NRows[fPatch][0]; i<=NRows[fPatch][1]; i++)
+ {
+ AliL3ClusterModel *cl = GetClusterModel(i);
+
+ if(!cl->fPresent)
+ cout<<i<<" Empty"<<" Padcrossing "<<GetPadHit(i)<<" Timecrossing "<<GetTimeHit(i)<<" ";
+ else
+ {
+ cout<<i<<" Dpad "<<cl->fDPad<<" Dtime "<<cl->fDTime<<" Dcharge "<<cl->fDCharge;
+ cout<<" Padcrossing "<<GetPadHit(i)<<" Timecrossing "<<GetTimeHit(i)<<" ";
+ }
+ cout<<"Overlapping index "<<GetOverlap(i)<<endl;
+ }
+}
+
+//----------Code below taken from AliTPCTracker.cxx-----------------------
+//Functions that give the expected cluster errors based on track parameters.
+Double_t AliL3ModelTrack::GetParSigmaY2(Int_t row)//Double_t r)//, Double_t tgl, Double_t pt)
+{
+
+ //
+ // Parametrised error of the cluster reconstruction (pad direction)
+ //
+ // Sigma rphi
+
+ Float_t pad,time;
+ if(!GetTime(row,time) || !GetPad(row,pad))
+ return -1;
+
+ Float_t xyz[3];
+ Int_t sector,padrow;
+ fTransform->Slice2Sector(fSlice,row,sector,padrow);
+ fTransform->Raw2Local(xyz,sector,padrow,pad,time);
+ Double_t r = sqrt(xyz[0]*xyz[0] + xyz[1]*xyz[1]);
+
+ Double_t tgl = GetTgl();
+ Double_t pt = GetPt();
+
+ const Float_t kArphi=0.41818e-2;
+ const Float_t kBrphi=0.17460e-4;
+ const Float_t kCrphi=0.30993e-2;
+ const Float_t kDrphi=0.41061e-3;
+
+ pt=fabs(pt)*1000.;
+ Double_t x=r/pt;
+ tgl=fabs(tgl);
+ Double_t s=kArphi - kBrphi*r*tgl + kCrphi*x*x + kDrphi*x;
+ if (s<0.4e-3) s=0.4e-3;
+ s*=1.3; //Iouri Belikov
+
+ return s;
+}
+
+Double_t AliL3ModelTrack::GetParSigmaZ2(Int_t row)//Double_t r)//, Double_t tgl)
+{
+ //
+ // Parametrised error of the cluster reconstruction (drift direction)
+ //
+ // Sigma z
+
+ Float_t pad,time;
+ if(!GetTime(row,time) || !GetPad(row,pad))
+ return -1;
+
+ Float_t xyz[3];
+ Int_t sector,padrow;
+ fTransform->Slice2Sector(fSlice,row,sector,padrow);
+ fTransform->Raw2Local(xyz,sector,padrow,pad,time);
+ Double_t r = sqrt(xyz[0]*xyz[0] + xyz[1]*xyz[1]);
+
+ Double_t tgl = GetTgl();
+
+ const Float_t kAz=0.39614e-2;
+ const Float_t kBz=0.22443e-4;
+ const Float_t kCz=0.51504e-1;
+
+
+ tgl=fabs(tgl);
+ Double_t s=kAz - kBz*r*tgl + kCz*tgl*tgl;
+ if (s<0.4e-3) s=0.4e-3;
+ s*=1.3; //Iouri Belikov
+
+ return s;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff