//
///////////////////////////////////////////////////
-#include <Riostream.h> // for cout
#include <stdlib.h> // for exit()
-#include <TClonesArray.h>
+#include <Riostream.h> // for cout
#include <TMath.h>
#include <TMatrixD.h>
#include <TObjArray.h>
#include "AliMUONSegment.h"
#include "AliMUONTrack.h"
#include "AliMUONTrackHit.h"
+#include "AliMUONTriggerTrack.h"
+#include "AliMUONConstants.h"
// Functions to be minimized with Minuit
void TrackChi2(Int_t &NParam, Double_t *Gradient, Double_t &Chi2, Double_t *Param, Int_t Flag);
TVirtualFitter* AliMUONTrack::fgFitter = NULL;
+ //__________________________________________________________________________
+AliMUONTrack::AliMUONTrack()
+ : TObject()
+{
+ // Default constructor
+ fgFitter = 0;
+ fEventReconstructor = 0;
+ fTrackHitsPtr = new TObjArray(10);
+ fTrackParamAtHit = new TClonesArray("AliMUONTrackParam",10);
+ fHitForRecAtHit = new TClonesArray("AliMUONHitForRec",10);
+ fTrackID = 0;
+}
+
//__________________________________________________________________________
AliMUONTrack::AliMUONTrack(AliMUONSegment* BegSegment, AliMUONSegment* EndSegment, AliMUONEventReconstructor* EventReconstructor)
+ : TObject()
{
// Constructor from two Segment's
fEventReconstructor = EventReconstructor; // link back to EventReconstructor
AddSegment(EndSegment); // add hits from EndSegment
fTrackHitsPtr->Sort(); // sort TrackHits according to increasing Z
SetTrackParamAtVertex(); // set track parameters at vertex
+ fTrackParamAtHit = new TClonesArray("AliMUONTrackParam",10);
+ fHitForRecAtHit = new TClonesArray("AliMUONHitForRec",10);
// set fit conditions...
fFitMCS = 0;
fFitNParam = 3;
fFitStart = 1;
fFitFMin = -1.0;
+ fMatchTrigger = kFALSE;
+ fChi2MatchTrigger = 0;
+ fTrackID = 0;
return;
}
//__________________________________________________________________________
AliMUONTrack::AliMUONTrack(AliMUONSegment* Segment, AliMUONHitForRec* HitForRec, AliMUONEventReconstructor* EventReconstructor)
+ : TObject()
{
// Constructor from one Segment and one HitForRec
fEventReconstructor = EventReconstructor; // link back to EventReconstructor
AddHitForRec(HitForRec); // add HitForRec
fTrackHitsPtr->Sort(); // sort TrackHits according to increasing Z
SetTrackParamAtVertex(); // set track parameters at vertex
+ fTrackParamAtHit = new TClonesArray("AliMUONTrackParam",10);
+ fHitForRecAtHit = new TClonesArray("AliMUONHitForRec",10);
// set fit conditions...
fFitMCS = 0;
fFitNParam = 3;
fFitStart = 1;
fFitFMin = -1.0;
+ fMatchTrigger = kFALSE;
+ fChi2MatchTrigger = 0;
+ fTrackID = 0;
return;
}
{
// Destructor
if (fTrackHitsPtr) {
+ fTrackHitsPtr->Clear();
delete fTrackHitsPtr; // delete the TObjArray of pointers to TrackHit's
fTrackHitsPtr = NULL;
}
+
+ if (fTrackParamAtHit) {
+ // delete the TClonesArray of pointers to TrackParam
+ fTrackParamAtHit->Clear();
+ delete fTrackParamAtHit;
+ fTrackParamAtHit = NULL;
+ }
+
+ if (fHitForRecAtHit) {
+ // delete the TClonesArray of pointers to HitForRec
+ fHitForRecAtHit->Clear();
+ delete fHitForRecAtHit;
+ fHitForRecAtHit = NULL;
+ }
}
//__________________________________________________________________________
-AliMUONTrack::AliMUONTrack (const AliMUONTrack& MUONTrack):TObject(MUONTrack)
+AliMUONTrack::AliMUONTrack (const AliMUONTrack& theMUONTrack)
+ : TObject(theMUONTrack)
{
- fEventReconstructor = new AliMUONEventReconstructor(*MUONTrack.fEventReconstructor);
- fTrackParamAtVertex = MUONTrack.fTrackParamAtVertex;
- fTrackHitsPtr = new TObjArray(*MUONTrack.fTrackHitsPtr);
- fNTrackHits = MUONTrack.fNTrackHits;
- fFitMCS = MUONTrack.fFitMCS;
- fFitNParam = MUONTrack.fFitNParam;
- fFitFMin = MUONTrack.fFitFMin;
- fFitStart = MUONTrack.fFitStart;
+ //fEventReconstructor = new AliMUONEventReconstructor(*MUONTrack.fEventReconstructor);
+ // is it right ?
+ // NO, because it would use dummy copy constructor
+ // and AliMUONTrack is not the owner of its EventReconstructor
+ fEventReconstructor = theMUONTrack.fEventReconstructor;
+ fTrackParamAtVertex = theMUONTrack.fTrackParamAtVertex;
+
+ // necessary to make a copy of the objects and not only the pointers in TObjArray.
+ fTrackHitsPtr = new TObjArray(10);
+ for (Int_t index = 0; index < (theMUONTrack.fTrackHitsPtr)->GetEntriesFast(); index++) {
+ AliMUONTrackHit *trackHit = new AliMUONTrackHit(*(AliMUONTrackHit*)(theMUONTrack.fTrackHitsPtr)->At(index));
+ fTrackHitsPtr->Add(trackHit);
+ }
+
+ // necessary to make a copy of the objects and not only the pointers in TClonesArray.
+ fTrackParamAtHit = new TClonesArray("AliMUONTrackParam",10);
+ for (Int_t index = 0; index < (theMUONTrack.fTrackParamAtHit)->GetEntriesFast(); index++) {
+ {new ((*fTrackParamAtHit)[fTrackParamAtHit->GetEntriesFast()])
+ AliMUONTrackParam(*(AliMUONTrackParam*)(theMUONTrack.fTrackParamAtHit)->At(index));}
+ }
+
+ // necessary to make a copy of the objects and not only the pointers in TClonesArray.
+ fHitForRecAtHit = new TClonesArray("AliMUONHitForRec",10);
+ for (Int_t index = 0; index < (theMUONTrack.fHitForRecAtHit)->GetEntriesFast(); index++) {
+ {new ((*fHitForRecAtHit)[fHitForRecAtHit->GetEntriesFast()])
+ AliMUONHitForRec(*(AliMUONHitForRec*)(theMUONTrack.fHitForRecAtHit)->At(index));}
+ }
+
+ fNTrackHits = theMUONTrack.fNTrackHits;
+ fFitMCS = theMUONTrack.fFitMCS;
+ fFitNParam = theMUONTrack.fFitNParam;
+ fFitFMin = theMUONTrack.fFitFMin;
+ fFitStart = theMUONTrack.fFitStart;
+ fMatchTrigger = theMUONTrack.fMatchTrigger;
+ fChi2MatchTrigger = theMUONTrack.fChi2MatchTrigger;
+ fTrackID = theMUONTrack.fTrackID;
}
//__________________________________________________________________________
-AliMUONTrack & AliMUONTrack::operator=(const AliMUONTrack& MUONTrack)
+AliMUONTrack & AliMUONTrack::operator=(const AliMUONTrack& theMUONTrack)
{
- if (this == &MUONTrack)
+
+ // check assignement to self
+ if (this == &theMUONTrack)
return *this;
- fEventReconstructor = new AliMUONEventReconstructor(*MUONTrack.fEventReconstructor);
- fTrackParamAtVertex = MUONTrack.fTrackParamAtVertex;
- fTrackHitsPtr = new TObjArray(*MUONTrack.fTrackHitsPtr);
- fNTrackHits = MUONTrack.fNTrackHits;
- fFitMCS = MUONTrack.fFitMCS;
- fFitNParam = MUONTrack.fFitNParam;
- fFitFMin = MUONTrack.fFitFMin;
- fFitStart = MUONTrack.fFitStart;
+ // base class assignement
+ TObject::operator=(theMUONTrack);
+
+ // fEventReconstructor = new AliMUONEventReconstructor(*MUONTrack.fEventReconstructor); // is it right ?
+ // is it right ? NO because it would use dummy copy constructor
+ fEventReconstructor = theMUONTrack.fEventReconstructor;
+ fTrackParamAtVertex = theMUONTrack.fTrackParamAtVertex;
+
+ // necessary to make a copy of the objects and not only the pointers in TObjArray.
+ fTrackHitsPtr = new TObjArray(10);
+ for (Int_t index = 0; index < (theMUONTrack.fTrackHitsPtr)->GetEntriesFast(); index++) {
+ AliMUONTrackHit *trackHit = new AliMUONTrackHit(*(AliMUONTrackHit*)(theMUONTrack.fTrackHitsPtr)->At(index));
+ fTrackHitsPtr->Add(trackHit);
+ }
+
+ // necessary to make a copy of the objects and not only the pointers in TClonesArray.
+ fTrackParamAtHit = new TClonesArray("AliMUONTrackParam",10);
+ for (Int_t index = 0; index < (theMUONTrack.fTrackParamAtHit)->GetEntriesFast(); index++) {
+ {new ((*fTrackParamAtHit)[fTrackParamAtHit->GetEntriesFast()])
+ AliMUONTrackParam(*(AliMUONTrackParam*)(theMUONTrack.fTrackParamAtHit)->At(index));}
+ }
+
+ // necessary to make a copy of the objects and not only the pointers in TClonesArray.
+ fHitForRecAtHit = new TClonesArray("AliMUONHitForRec",10);
+ for (Int_t index = 0; index < (theMUONTrack.fHitForRecAtHit)->GetEntriesFast(); index++) {
+ {new ((*fHitForRecAtHit)[fHitForRecAtHit->GetEntriesFast()])
+ AliMUONHitForRec(*(AliMUONHitForRec*)(theMUONTrack.fHitForRecAtHit)->At(index));}
+ }
+
+ fNTrackHits = theMUONTrack.fNTrackHits;
+ fFitMCS = theMUONTrack.fFitMCS;
+ fFitNParam = theMUONTrack.fFitNParam;
+ fFitFMin = theMUONTrack.fFitFMin;
+ fFitStart = theMUONTrack.fFitStart;
+ fMatchTrigger = theMUONTrack.fMatchTrigger;
+ fChi2MatchTrigger = theMUONTrack.fChi2MatchTrigger;
+ fTrackID = theMUONTrack.fTrackID;
+
return *this;
}
}
return;
}
+
+ //__________________________________________________________________________
+Bool_t* AliMUONTrack::CompatibleTrack(AliMUONTrack * Track, Double_t Sigma2Cut) const
+{
+ // Return kTRUE/kFALSE for each chamber if hit is compatible or not
+ TClonesArray *hitArray, *thisHitArray;
+ AliMUONHitForRec *hit, *thisHit;
+ Int_t chamberNumber;
+ Float_t deltaZ;
+ Float_t deltaZMax = 1.; // 1 cm
+ Float_t chi2 = 0;
+ Bool_t *nCompHit = new Bool_t[AliMUONConstants::NTrackingCh()];
+
+ for ( Int_t ch = 0; ch < AliMUONConstants::NTrackingCh(); ch++) {
+ nCompHit[ch] = kFALSE;
+ }
+
+ thisHitArray = this->GetHitForRecAtHit();
+
+ hitArray = Track->GetHitForRecAtHit();
+
+ for (Int_t iHthis = 0; iHthis < thisHitArray->GetEntriesFast(); iHthis++) {
+ thisHit = (AliMUONHitForRec*) thisHitArray->At(iHthis);
+ chamberNumber = thisHit->GetChamberNumber();
+ if (chamberNumber < 0 || chamberNumber > AliMUONConstants::NTrackingCh()) continue;
+ nCompHit[chamberNumber] = kFALSE;
+ for (Int_t iH = 0; iH < hitArray->GetEntriesFast(); iH++) {
+ hit = (AliMUONHitForRec*) hitArray->At(iH);
+ deltaZ = TMath::Abs(thisHit->GetZ() - hit->GetZ());
+ chi2 = thisHit->NormalizedChi2WithHitForRec(hit,Sigma2Cut); // set cut to 4 sigmas
+ if (chi2 < 3. && deltaZ < deltaZMax) {
+ nCompHit[chamberNumber] = kTRUE;
+ break;
+ }
+ }
+ }
+
+ return nCompHit;
+}
//__________________________________________________________________________
-Int_t AliMUONTrack::HitsInCommon(AliMUONTrack* Track)
+Int_t AliMUONTrack::HitsInCommon(AliMUONTrack* Track) const
{
// Returns the number of hits in common
// between the current track ("this")
return hitsInCommon;
}
+ //__________________________________________________________________________
+void AliMUONTrack::MatchTriggerTrack(TClonesArray *triggerTrackArray)
+{
+ // Match this track with one trigger track if possible
+ AliMUONTrackParam trackParam;
+ AliMUONTriggerTrack *triggerTrack;
+ Double_t xTrack, yTrack, ySlopeTrack, dTrigTrackMin2, dTrigTrack2;
+ Double_t nSigmaCut2;
+
+ Double_t distSigma[3]={1,1,0.02}; // sigma of distributions (trigger-track) X,Y,slopeY
+ Double_t distTriggerTrack[3] = {0,0,0};
+
+ fMatchTrigger = kFALSE;
+ fChi2MatchTrigger = 0;
+
+ trackParam = *((AliMUONTrackParam*) fTrackParamAtHit->Last());
+ trackParam.ExtrapToZ(AliMUONConstants::DefaultChamberZ(10)); // extrap to 1st trigger chamber
+
+ nSigmaCut2 = fEventReconstructor->GetMaxSigma2Distance(); // nb of sigma**2 for cut
+ xTrack = trackParam.GetNonBendingCoor();
+ yTrack = trackParam.GetBendingCoor();
+ ySlopeTrack = trackParam.GetBendingSlope();
+ dTrigTrackMin2 = 999;
+
+ triggerTrack = (AliMUONTriggerTrack*) triggerTrackArray->First();
+ while(triggerTrack){
+ distTriggerTrack[0] = (triggerTrack->GetX11()-xTrack)/distSigma[0];
+ distTriggerTrack[1] = (triggerTrack->GetY11()-yTrack)/distSigma[1];
+ distTriggerTrack[2] = (TMath::Tan(triggerTrack->GetThetay())-ySlopeTrack)/distSigma[2];
+ dTrigTrack2 = 0;
+ for (Int_t iVar = 0; iVar < 3; iVar++)
+ dTrigTrack2 += distTriggerTrack[iVar]*distTriggerTrack[iVar];
+ if (dTrigTrack2 < dTrigTrackMin2 && dTrigTrack2 < nSigmaCut2) {
+ dTrigTrackMin2 = dTrigTrack2;
+ fMatchTrigger = kTRUE;
+ fChi2MatchTrigger = dTrigTrack2/3.; // Normalized Chi2, 3 variables (X,Y,slopeY)
+ }
+ triggerTrack = (AliMUONTriggerTrack*) triggerTrackArray->After(triggerTrack);
+ }
+
+}
//__________________________________________________________________________
void AliMUONTrack::Fit()
{
a[j + k*l] = a[k + j*l];
}
}
- delete localVERTs;
- delete localVERTq;
- delete localVERTpp;
+ delete [] localVERTs;
+ delete [] localVERTq;
+ delete [] localVERTpp;
return;
//*-*- failure return
L100:
- delete localVERTs;
- delete localVERTq;
- delete localVERTpp;
+ delete [] localVERTs;
+ delete [] localVERTq;
+ delete [] localVERTpp;
ifail = 1;
} /* mnvertLocal */
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff