#include <TString.h>
#include <TRandom.h>
#include <TTreeStream.h>
+#include <TVector3.h>
#include "AliLog.h"
+#include "AliGeomManager.h"
#include "AliITSPlaneEff.h"
-#include "AliITSCalibrationSPD.h"
-#include "AliITSCalibrationSDD.h"
-#include "AliITSCalibrationSSD.h"
-#include "AliCDBEntry.h"
-#include "AliCDBManager.h"
-#include "AliAlignObj.h"
#include "AliTrackPointArray.h"
-#include "AliESDVertex.h"
#include "AliESDEvent.h"
#include "AliESDtrack.h"
#include "AliV0.h"
-#include "AliHelix.h"
#include "AliITSChannelStatus.h"
#include "AliITSDetTypeRec.h"
#include "AliITSRecPoint.h"
for(i=0;i<4;i++) fSPDdetzcentre[i]=0.;
for(i=0;i<2;i++) {fxOverX0Shield[i]=-1.;fxTimesRhoShield[i]=-1.;}
for(i=0;i<6;i++) {fxOverX0Layer[i]=-1.;fxTimesRhoLayer[i]=-1.;}
+ fOriginal.SetOwner();
}
//------------------------------------------------------------------------
AliITStrackerMI::AliITStrackerMI(const Char_t *geom) : AliTracker(),
AliWarning("\"geom\" is actually a dummy argument !");
}
+ fOriginal.SetOwner();
fCoefficients = 0;
fAfterV0 = kFALSE;
// store positions of centre of SPD modules (in z)
// The convetion is that fSPDdetzcentre is ordered from -z to +z
Double_t tr[3];
+ AliITSgeomTGeo::GetTranslation(1,1,1,tr);
if (tr[2]<0) { // old geom (up to v5asymmPPR)
AliITSgeomTGeo::GetTranslation(1,1,1,tr);
fSPDdetzcentre[0] = tr[2];
for(Int_t i=0;i<2;i++) {fxOverX0Shield[i]=-1.;fxTimesRhoShield[i]=-1.;}
for(Int_t i=0;i<6;i++) {fxOverX0Layer[i]=-1.;fxTimesRhoLayer[i]=-1.;}
- fDebugStreamer = new TTreeSRedirector("ITSdebug.root");
+ if (AliITSReconstructor::GetRecoParam()->GetESDV0Params()->StreamLevel()>0)
+ fDebugStreamer = new TTreeSRedirector("ITSdebug.root");
// only for plane efficiency evaluation
if (AliITSReconstructor::GetRecoParam()->GetComputePlaneEff() &&
fkDetTypeRec(tracker.fkDetTypeRec),
fPlaneEff(tracker.fPlaneEff) {
//Copy constructor
+ fOriginal.SetOwner();
Int_t i;
for(i=0;i<4;i++) {
fSPDdetzcentre[i]=tracker.fSPDdetzcentre[i];
if (esd->GetStatus()&AliESDtrack::kTPCout) continue;
if (esd->GetStatus()&AliESDtrack::kITSin) continue;
if (esd->GetKinkIndex(0)>0) continue; //kink daughter
- AliITStrackMI *t=0;
- try {
- t=new AliITStrackMI(*esd);
- } catch (const Char_t *msg) {
- //Warning("Clusters2Tracks",msg);
- delete t;
- continue;
- }
+ AliITStrackMI *t = new AliITStrackMI(*esd);
t->GetDZ(GetX(),GetY(),GetZ(),t->GetDP()); //I.B.
Double_t vdist = TMath::Sqrt(t->GetD(0)*t->GetD(0)+t->GetD(1)*t->GetD(1));
if(AliITSReconstructor::GetRecoParam()->GetFindV0s()) AliITSV0Finder::FindV02(event,this);
fAfterV0 = kTRUE;
//
- itsTracks.Delete();
+ itsTracks.Clear();
//
Int_t entries = fTrackHypothesys.GetEntriesFast();
for (Int_t ientry=0; ientry<entries; ientry++) {
}
fTrackHypothesys.Delete();
+ entries = fBestHypothesys.GetEntriesFast();
+ for (Int_t ientry=0; ientry<entries; ientry++) {
+ TObjArray * array =(TObjArray*)fBestHypothesys.UncheckedAt(ientry);
+ if (array) array->Delete();
+ delete fBestHypothesys.RemoveAt(ientry);
+ }
fBestHypothesys.Delete();
fOriginal.Clear();
delete [] fCoefficients;
if ((esd->GetStatus()&AliESDtrack::kITSin)==0) continue;
if (esd->GetStatus()&AliESDtrack::kITSout) continue;
- AliITStrackMI *t=0;
- try {
- t=new AliITStrackMI(*esd);
- } catch (const Char_t *msg) {
- //Warning("PropagateBack",msg);
- delete t;
- continue;
- }
+ AliITStrackMI *t = new AliITStrackMI(*esd);
+
t->SetExpQ(TMath::Max(0.8*t->GetESDtrack()->GetTPCsignal(),30.));
ResetTrackToFollow(*t);
if(AliITSReconstructor::GetRecoParam()->GetFindV0s()) AliITSV0Finder::RefitV02(event,this);
+ Bool_t doExtra=AliITSReconstructor::GetRecoParam()->GetSearchForExtraClusters();
+ if(!doExtra) AliDebug(2,"Do not search for extra clusters");
+
Int_t nentr=event->GetNumberOfTracks();
// Info("RefitInward", "Number of ESD tracks: %d\n", nentr);
if (esd->GetStatus()&AliESDtrack::kTPCout)
if ((esd->GetStatus()&AliESDtrack::kTPCrefit)==0) continue;
- AliITStrackMI *t=0;
- try {
- t=new AliITStrackMI(*esd);
- } catch (const Char_t *msg) {
- //Warning("RefitInward",msg);
- delete t;
- continue;
- }
+ AliITStrackMI *t = new AliITStrackMI(*esd);
+
t->SetExpQ(TMath::Max(0.8*t->GetESDtrack()->GetTPCsignal(),30.));
if (!CorrectForTPCtoITSDeadZoneMaterial(t)) {
delete t;
AliITSReconstructor::GetRecoParam()->GetIPlanePlaneEff()>=0);
AliDebug(2,Form("Refit LABEL %d %d",t->GetLabel(),t->GetNumberOfClusters()));
- if (RefitAt(AliITSRecoParam::GetrInsideSPD1(),&fTrackToFollow,t,kTRUE,pe)) {
+ if (RefitAt(AliITSRecoParam::GetrInsideSPD1(),&fTrackToFollow,t,doExtra,pe)) {
AliDebug(2," refit OK");
fTrackToFollow.SetLabel(t->GetLabel());
// fTrackToFollow.CookdEdx();
detxy[1] = det.GetR()*TMath::Sin(det.GetPhi());
Double_t alpha = t->GetAlpha();
Double_t xdetintrackframe = detxy[0]*TMath::Cos(alpha)+detxy[1]*TMath::Sin(alpha);
- Float_t phi = TMath::ASin(t->GetSnpAt(xdetintrackframe,GetBz()));
+ Float_t phi = TMath::ASin(t->GetSnpAt(xdetintrackframe+cl->GetX(),GetBz()));
phi += alpha-det.GetPhi();
Float_t tgphi = TMath::Tan(phi);
TObjArray *bestarray = (TObjArray*)fBestHypothesys.At(esdindex);
if (!bestarray){
bestarray = new TObjArray(5);
+ bestarray->SetOwner();
fBestHypothesys.AddAt(bestarray,esdindex);
}
if(LocalModuleCoord(ilayer,idet,vtrack,xloc,zloc)) { // local module coords
vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
}
- if(constrain) vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
+ if(constrain && AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
ntracks[ilayer]++;
continue;
}
TMath::Abs(updatetrack->GetD(1)/(1.+ilayer)) > // z
AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk()) isPrim=kFALSE;
}
- if (isPrim) updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
+ if (isPrim && AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
}
updatetrack->SetNDeadZone(updatetrack->GetNDeadZone()+1);
if (dead) {
while ((cl=layer.GetNextCluster(clidx))!=0) {
if (ntracks[ilayer]>95) break; //space for skipped clusters
Bool_t changedet =kFALSE;
- if (cl->GetQ()==0 && deadzoneSPD==kTRUE) continue;
+ if (TMath::Abs(cl->GetQ())<1.e-13 && deadzoneSPD==kTRUE) continue;
Int_t idetc=cl->GetDetectorIndex();
if (currenttrack->GetDetectorIndex()==idetc) { // track already on the cluster's detector
(currenttrack->GetY()-cl->GetY())*(currenttrack->GetY()-cl->GetY())*msy > 1. )
{ // cluster not associated to track
AliDebug(2,"not associated");
+ // MvL: added here as well
+ // bring track back to ideal detector plane
+ currenttrack->Propagate(xTrOrig);
continue;
}
// bring track back to ideal detector plane
// chi2 cut
AliDebug(2,Form("chi2 %f max %f",chi2trkcl,AliITSReconstructor::GetRecoParam()->GetMaxChi2s(ilayer)));
if (chi2trkcl < AliITSReconstructor::GetRecoParam()->GetMaxChi2s(ilayer)) {
- if (cl->GetQ()==0) deadzoneSPD=kTRUE; // only 1 prolongation with virtual cluster
+ if (TMath::Abs(cl->GetQ())<1.e-13) deadzoneSPD=kTRUE; // only 1 prolongation with virtual cluster
if (ntracks[ilayer]>=100) continue;
AliITStrackMI * updatetrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(*currenttrack);
updatetrack->SetClIndex(ilayer,-1);
if (changedet) new (¤ttrack2) AliITStrackMI(backuptrack);
- if (cl->GetQ()!=0) { // real cluster
+ if (TMath::Abs(cl->GetQ())>1.e-13) { // real cluster
if (!UpdateMI(updatetrack,cl,chi2trkcl,(ilayer<<28)+clidx)) {
AliDebug(2,"update failed");
continue;
TMath::Abs(updatetrack->GetD(1)/(1.+ilayer)) > // z
AliITSReconstructor::GetRecoParam()->GetMaxDZforPrimTrk()) isPrim=kFALSE;
}
- if (isPrim) updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
+ if (isPrim && AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
} //apply vertex constrain
ntracks[ilayer]++;
} // create new hypothesis
} // loop over possible prolongations
// allow one prolongation without clusters
- if (constrain && itrack<=1 && currenttrack1.GetNSkipped()==0 && deadzoneSPD==kFALSE && ntracks[ilayer]<100) {
+ if (constrain && itrack<=1 && TMath::Abs(currenttrack1.GetNSkipped())<1.e-13 && deadzoneSPD==kFALSE && ntracks[ilayer]<100) {
AliITStrackMI* vtrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(currenttrack1);
// apply correction for material of the current layer
CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward");
vtrack->SetClIndex(ilayer,-1);
modstatus = 3; // skipped
vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
- vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
+ if(AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
vtrack->IncrementNSkipped();
ntracks[ilayer]++;
}
if (z+fNMaxSigmaCl*TMath::Sqrt(fClusters[i]->GetSigmaZ2())<fZmin+fNMaxSigmaCl*fMaxSigmaClZ) continue;
if (z-fNMaxSigmaCl*TMath::Sqrt(fClusters[i]->GetSigmaZ2())>fZmax-fNMaxSigmaCl*fMaxSigmaClZ) continue;
//
- if (fClusters[i]->GetQ()==0&&fSkip==2) continue;
+ if (TMath::Abs(fClusters[i]->GetQ())<1.e-13 && fSkip==2) continue;
ci=i;
if (!test) fI=i+1;
return fClusters[i];
for (Int_t i=fI; i<fImax; i++) {
if (fYcs[i]<fYmin) continue;
if (fYcs[i]>fYmax) continue;
- if (fClustersCs[i]->GetQ()==0&&fSkip==2) continue;
+ if (TMath::Abs(fClustersCs[i]->GetQ())<1.e-13 && fSkip==2) continue;
ci=fClusterIndexCs[i];
if (!test) fI=i+1;
return fClustersCs[i];
index[k]=clusters[k];
}
- // special for cosmics: check which the innermost layer crossed
- // by the track
- Int_t innermostlayer=5;
- Double_t drphi = TMath::Abs(track->GetD(0.,0.));
- for(innermostlayer=0; innermostlayer<AliITSgeomTGeo::GetNLayers(); innermostlayer++) {
- if(drphi < fgLayers[innermostlayer].GetR()) break;
+ // special for cosmics and TPC prolonged tracks:
+ // propagate to the innermost of:
+ // - innermost layer crossed by the track
+ // - innermost layer where a cluster was associated to the track
+ static AliITSRecoParam *repa = NULL;
+ if(!repa){
+ repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
+ if(!repa){
+ repa = AliITSRecoParam::GetHighFluxParam();
+ AliWarning("Using default AliITSRecoParam class");
+ }
+ }
+ Int_t evsp=repa->GetEventSpecie();
+ ULong_t trStatus=0;
+ if(track->GetESDtrack()) trStatus=track->GetStatus();
+ Int_t innermostlayer=0;
+ if((evsp&AliRecoParam::kCosmic) || (trStatus&AliESDtrack::kTPCin)) {
+ innermostlayer=5;
+ Double_t drphi = TMath::Abs(track->GetD(0.,0.));
+ for(innermostlayer=0; innermostlayer<AliITSgeomTGeo::GetNLayers(); innermostlayer++) {
+ if( (drphi < (fgLayers[innermostlayer].GetR()+1.)) ||
+ index[innermostlayer] >= 0 ) break;
+ }
+
+ AliDebug(2,Form(" drphi %f innermost %d",drphi,innermostlayer));
}
- AliDebug(2,Form(" drphi %f innermost %d",drphi,innermostlayer));
Int_t modstatus=1; // found
Float_t xloc,zloc;
Int_t nDeadZoneWithProbNot1=(Int_t)(track->GetNDeadZone())-sumDeadZoneProbability;
if(nDeadZoneWithProbNot1>0) {
Float_t deadZoneProbability = track->GetNDeadZone()-(Float_t)sumDeadZoneProbability;
- AliDebug(2,Form("nDeadZone %f sumDZProbability %f nDZWithProbNot1 %f deadZoneProb %f\n",track->GetNDeadZone(),sumDeadZoneProbability,nDeadZoneWithProbNot1,deadZoneProbability));
+ AliDebug(2,Form("nDeadZone %f sumDZProbability %d nDZWithProbNot1 %d deadZoneProb %f\n",track->GetNDeadZone(),sumDeadZoneProbability,nDeadZoneWithProbNot1,deadZoneProbability));
deadZoneProbability /= (Float_t)nDeadZoneWithProbNot1;
Float_t one = 1.;
deadZoneProbability = TMath::Min(deadZoneProbability,one);
Double_t normchi2 = 2*track->GetNSkipped()+match+deadzonefactor+(1+(2*track->GetNSkipped()+deadzonefactor)/track->GetNumberOfClusters())*
(chi2)/TMath::Max(double(sum-track->GetNSkipped()),
1./(1.+track->GetNSkipped()));
- AliDebug(2,Form("match %f deadzonefactor %f chi2 %f sum %f skipped\n",match,deadzonefactor,chi2,sum,track->GetNSkipped()));
+ AliDebug(2,Form("match %f deadzonefactor %f chi2 %f sum %f skipped %f\n",match,deadzonefactor,chi2,sum,track->GetNSkipped()));
AliDebug(2,Form("NormChi2 %f cls %d\n",normchi2,track->GetNumberOfClusters()));
return normchi2;
}
Int_t l=(index & 0xf0000000) >> 28;
Int_t c=(index & 0x0fffffff) >> 00;
if (c>fgLayers[l].GetNumberOfClusters()) continue;
- if (ny[l]==0){
- printf("problem\n");
- }
+ // if (ny[l]<1.e-13){
+ // printf("problem\n");
+ // }
AliITSRecPoint *cl = (AliITSRecPoint*)GetCluster(index);
Float_t weight=1;
//
Int_t index = clusterlist[icluster];
Int_t l=(index & 0xf0000000) >> 28;
Int_t c=(index & 0x0fffffff) >> 00;
- if (ny[l]==0){
- printf("problem\n");
- }
+ // if (ny[l]<1.e-13){
+ // printf("problem\n");
+ // }
if (c>fgLayers[l].GetNumberOfClusters()) continue;
//if (l>3) continue;
AliITSRecPoint *cl = (AliITSRecPoint*)GetCluster(index);
backtrack = new(backtrack) AliITStrackMI(*track);
if (track->GetConstrain()) {
if (!CorrectForPipeMaterial(backtrack,"inward")) continue;
- if (!backtrack->Improve(0,xyzVtx,ersVtx)) continue;
+ if (AliITSReconstructor::GetRecoParam()->GetImproveWithVertex()) {
+ if (!backtrack->Improve(0,xyzVtx,ersVtx)) continue;
+ }
backtrack->ResetCovariance(10.);
}else{
backtrack->ResetCovariance(10.);
//--------------------------------------------------------------------
Int_t tpcLabel=-1;
- if (track->GetESDtrack()) tpcLabel = track->GetESDtrack()->GetTPCLabel();
-
+ if (track->GetESDtrack()){
+ tpcLabel = track->GetESDtrack()->GetTPCLabel();
+ ULong_t trStatus=track->GetESDtrack()->GetStatus();
+ if(!(trStatus&AliESDtrack::kTPCin)) tpcLabel=track->GetLabel(); // for ITSsa tracks
+ }
track->SetChi2MIP(9,0);
Int_t nwrong=0;
for (Int_t i=0;i<track->GetNumberOfClusters();i++){
}
//------------------------------------------------------------------------
-void AliITStrackerMI::CookdEdx(AliITStrackMI* track)
-{
+void AliITStrackerMI::CookdEdx(AliITStrackMI* track){
+ //
+ // Fill the dE/dx in this track
//
track->SetChi2MIP(9,0);
for (Int_t i=0;i<track->GetNumberOfClusters();i++){
//
// Compute predicted chi2
//
+ // Take into account the mis-alignment (bring track to cluster plane)
+ Double_t xTrOrig=track->GetX();
+ if (!track->Propagate(xTrOrig+cluster->GetX())) return 1000.;
Float_t erry,errz,covyz;
Float_t theta = track->GetTgl();
Float_t phi = track->GetSnp();
- phi = TMath::Abs(phi)*TMath::Sqrt(1./((1.-phi)*(1.+phi)));
+ phi *= TMath::Sqrt(1./((1.-phi)*(1.+phi)));
AliITSClusterParam::GetError(layer,cluster,theta,phi,track->GetExpQ(),erry,errz,covyz);
AliDebug(2,Form(" chi2: tr-cl %f %f tr X %f cl X %f",track->GetY()-cluster->GetY(),track->GetZ()-cluster->GetZ(),track->GetX(),cluster->GetX()));
- // Take into account the mis-alignment (bring track to cluster plane)
- Double_t xTrOrig=track->GetX();
- if (!track->Propagate(xTrOrig+cluster->GetX())) return 1000.;
AliDebug(2,Form(" chi2: tr-cl %f %f tr X %f cl X %f",track->GetY()-cluster->GetY(),track->GetZ()-cluster->GetZ(),track->GetX(),cluster->GetX()));
Double_t chi2 = track->GetPredictedChi2MI(cluster->GetY(),cluster->GetZ(),erry,errz,covyz);
// Bring the track back to detector plane in ideal geometry
}
}
- if (cl->GetQ()<=0) return 0; // ingore the "virtual" clusters
+ if (TMath::Abs(cl->GetQ())<1.e-13) return 0; // ingore the "virtual" clusters
// Take into account the mis-alignment (bring track to cluster plane)
AliITStrackMI * oldtrack = (AliITStrackMI*)(track->GetESDtrack()->GetITStrack());
if (oldtrack) delete oldtrack;
track->GetESDtrack()->SetITStrack(new AliITStrackMI(*track));
- if (TMath::Abs(track->GetDnorm(1))<0.000000001){
- printf("Problem\n");
- }
+ // if (TMath::Abs(track->GetDnorm(1))<0.000000001){
+ // printf("Problem\n");
+ // }
}
//------------------------------------------------------------------------
Int_t AliITStrackerMI::GetNearestLayer(const Double_t *xr) const{
return kTRUE;
}
//------------------------------------------------------------------------
+//------------------------------------------------------------------------
Bool_t AliITStrackerMI::IsOKForPlaneEff(const AliITStrackMI* track, const Int_t *clusters, Int_t ilayer) const {
//
// Method to be optimized further:
AliITStrackMI tmp(*track);
// require a minimal number of cluster in other layers and eventually clusters in closest layers
- Int_t ncl=0;
- for(Int_t lay=AliITSgeomTGeo::kNLayers-1;lay>ilayer;lay--) {
+ Int_t ncl_out=0; Int_t ncl_in=0;
+ for(Int_t lay=AliITSgeomTGeo::kNLayers-1;lay>ilayer;lay--) { // count n. of cluster in outermost layers
+ AliDebug(2,Form("trak=%d lay=%d ; index=%d ESD label= %d",tmp.GetLabel(),lay,
+ tmp.GetClIndex(lay),((AliESDtrack*)tmp.GetESDtrack())->GetLabel())) ;
+ // if (tmp.GetClIndex(lay)>=0) ncl_out++;
+if(index[lay]>=0)ncl_out++;
+ }
+ for(Int_t lay=ilayer-1; lay>=0;lay--) { // count n. of cluster in innermost layers
AliDebug(2,Form("trak=%d lay=%d ; index=%d ESD label= %d",tmp.GetLabel(),lay,
tmp.GetClIndex(lay),((AliESDtrack*)tmp.GetESDtrack())->GetLabel())) ;
- if (tmp.GetClIndex(lay)>=0) ncl++;
+ if (index[lay]>=0) ncl_in++;
}
+ Int_t ncl=ncl_out+ncl_in;
Bool_t nextout = kFALSE;
if(ilayer==AliITSgeomTGeo::kNLayers-1) nextout=kTRUE; // you are already on the outermost layer
else nextout = ((tmp.GetClIndex(ilayer+1)>=0)? kTRUE : kFALSE );
Bool_t nextin = kFALSE;
if(ilayer==0) nextin=kTRUE; // you are already on the innermost layer
else nextin = ((index[ilayer-1]>=0)? kTRUE : kFALSE );
- if(ncl<AliITSgeomTGeo::kNLayers-(ilayer+1)-AliITSReconstructor::GetRecoParam()->GetMaxMissingClustersPlaneEff())
+ // maximum number of missing clusters allowed in outermost layers
+ if(ncl_out<AliITSgeomTGeo::kNLayers-(ilayer+1)-AliITSReconstructor::GetRecoParam()->GetMaxMissingClustersOutPlaneEff())
+ return kFALSE;
+ // maximum number of missing clusters allowed (both in innermost and in outermost layers)
+ if(ncl<AliITSgeomTGeo::kNLayers-1-AliITSReconstructor::GetRecoParam()->GetMaxMissingClustersPlaneEff())
return kFALSE;
if(AliITSReconstructor::GetRecoParam()->GetRequireClusterInOuterLayerPlaneEff() && !nextout) return kFALSE;
if(AliITSReconstructor::GetRecoParam()->GetRequireClusterInInnerLayerPlaneEff() && !nextin) return kFALSE;
//***************
// DEFINITION OF SEARCH ROAD FOR accepting a track
//
- //For the time being they are hard-wired, later on from AliITSRecoParam
- // Double_t nsigx=AliITSRecoParam::GetNSigXFarFromBoundary();
- // Double_t nsigz=AliITSRecoParam::GetNSigZFarFromBoundary();
- Double_t nsigz=4;
- Double_t nsigx=4;
+ Double_t nsigx=AliITSReconstructor::GetRecoParam()->GetNSigXFromBoundaryPlaneEff();
+ Double_t nsigz=AliITSReconstructor::GetRecoParam()->GetNSigZFromBoundaryPlaneEff();
Double_t dx=nsigx*TMath::Sqrt(tmp.GetSigmaY2()); // those are precisions in the tracking reference system
Double_t dz=nsigz*TMath::Sqrt(tmp.GetSigmaZ2()); // Use it also for the module reference system, as it is
- // done for RecPoints
+ // done for RecPoints
// exclude tracks at boundary between detectors
//Double_t boundaryWidth=AliITSRecoParam::GetBoundaryWidthPlaneEff();
AliDebug(2,Form("Tracking: track impact x=%f, y=%f, z=%f",tmp.GetX(), tmp.GetY(), tmp.GetZ()));
AliDebug(2,Form("Local: track impact x=%f, z=%f",locx,locz));
AliDebug(2,Form("Search Road. Tracking: dy=%f , dz=%f",dx,dz));
-
if ( (locx-dx < blockXmn+boundaryWidth) ||
(locx+dx > blockXmx-boundaryWidth) ||
(locz-dz < blockZmn+boundaryWidth) ||
Float_t tr[4]={99999.,99999.,9999.,9999.}; // initialize to high values
Float_t clu[4]={-99999.,-99999.,9999.,9999.}; // (in some cases GetCov fails)
Int_t cltype[2]={-999,-999};
+ // and the module
+
+Float_t AngleModTrack[3]={99999.,99999.,99999.}; // angles (phi, z and "absolute angle") between the track and the mormal to the module (see below)
tr[0]=locx;
tr[1]=locz;
clu[3]=TMath::Sqrt(c.GetSigmaZ2());
//}
}
- fPlaneEff->FillHistos(key,found,tr,clu,cltype);
+ // Compute the angles between the track and the module
+ // compute the angle "in phi direction", i.e. the angle in the transverse plane
+ // between the normal to the module and the projection (in the transverse plane) of the
+ // track trajectory
+ // tgphi and tglambda of the track in tracking frame with alpha=det.GetPhi
+ Float_t tgl = tmp.GetTgl();
+ Float_t phitr = tmp.GetSnp();
+ phitr = TMath::ASin(phitr);
+ Int_t volId = AliGeomManager::LayerToVolUIDSafe(ilayer+1 ,idet );
+
+ Double_t tra[3]; AliGeomManager::GetOrigTranslation(volId,tra);
+ Double_t rot[9]; AliGeomManager::GetOrigRotation(volId,rot);
+ Double_t alpha =0.;
+ alpha = tmp.GetAlpha();
+ Double_t phiglob = alpha+phitr;
+ Double_t p[3];
+ p[0] = TMath::Cos(phiglob);
+ p[1] = TMath::Sin(phiglob);
+ p[2] = tgl;
+ TVector3 pvec(p[0],p[1],p[2]);
+ TVector3 normvec(rot[1],rot[4],rot[7]);
+ Double_t angle = pvec.Angle(normvec);
+
+ if(angle>0.5*TMath::Pi()) angle = (TMath::Pi()-angle);
+ angle *= 180./TMath::Pi();
+
+ //Trasverse Plane
+ TVector3 pt(p[0],p[1],0);
+ TVector3 normt(rot[1],rot[4],0);
+ Double_t anglet = pt.Angle(normt);
+
+ Double_t phiPt = TMath::ATan2(p[1],p[0]);
+ if(phiPt<0)phiPt+=2.*TMath::Pi();
+ Double_t phiNorm = TMath::ATan2(rot[4],rot[1]);
+ if(phiNorm<0) phiNorm+=2.*TMath::Pi();
+ if(anglet>0.5*TMath::Pi()) anglet = (TMath::Pi()-anglet);
+ if(phiNorm>phiPt) anglet*=-1.;// pt-->normt clockwise: anglet>0
+ if((phiNorm-phiPt)>TMath::Pi()) anglet*=-1.;
+ anglet *= 180./TMath::Pi();
+
+ AngleModTrack[2]=(Float_t) angle;
+ AngleModTrack[0]=(Float_t) anglet;
+ // now the "angle in z" (much easier, i.e. the angle between the z axis and the track momentum + 90)
+ AngleModTrack[1]=TMath::ACos(tgl/TMath::Sqrt(tgl*tgl+1.));
+ AngleModTrack[1]-=TMath::Pi()/2.; // range of angle is -pi/2 , pi/2
+ AngleModTrack[1]*=180./TMath::Pi(); // in degree
+
+ fPlaneEff->FillHistos(key,found,tr,clu,cltype,AngleModTrack);
}
return;
}
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git://git.uio.no / u / mrichter / AliRoot.git / blobdiff