fkRecoParam(recoParam),
fkTransformer(transformer),
fkDigitMaker(digitMaker),
-fDeltaZ(0.0),
-fTrigCovariance(0x0),
fkMaxDistance(99999.)
{
/// Default constructor
- InitMembers();
AliMUONTrackExtrap::SetField();
}
AliMUONTrackHitPattern::~AliMUONTrackHitPattern(void)
{
/// Destructor
- delete fTrigCovariance;
}
-
-//______________________________________________________________________________
-void AliMUONTrackHitPattern::InitMembers()
-{
- //
- /// Initialize data members
- //
- fDeltaZ = AliMUONConstants::DefaultChamberZ(10) - AliMUONConstants::DefaultChamberZ(12);
-
- const Double_t kTrigNonBendReso = AliMUONConstants::TriggerNonBendingReso();
- const Double_t kTrigBendReso = AliMUONConstants::TriggerBendingReso();
-
- // Covariance matrix 3x3 (X,Y,slopeY) for trigger tracks
- fTrigCovariance = new TMatrixD(3,3);
- fTrigCovariance->Zero();
- (*fTrigCovariance)(0,0) = kTrigNonBendReso * kTrigNonBendReso;
- (*fTrigCovariance)(1,1) = kTrigBendReso * kTrigBendReso;
- (*fTrigCovariance)(2,2) = 2. * (*fTrigCovariance)(1,1) / fDeltaZ / fDeltaZ;
- (*fTrigCovariance)(1,2) = (*fTrigCovariance)(2,1) = (*fTrigCovariance)(1,1) / fDeltaZ;
-}
-
-
//_____________________________________________________________________________
void AliMUONTrackHitPattern::CheckConstants() const
{
Int_t matchTrigger = 0;
Int_t loTrgNum(-1);
- Double_t distTriggerTrack[3], sigma2[3];
+ TMatrixD paramDiff(3,1);
Double_t chi2;
Double_t chi2MatchTrigger = 0., minChi2MatchTrigger = 999.;
Int_t doubleMatch = -1; // Check if track matches 2 trigger tracks
AliMUONTriggerTrack* doubleTriggerTrack = 0x0;
AliMUONTriggerTrack* matchedTriggerTrack = 0x0;
- const TMatrixD& kParamCov = trackParam.GetCovariances();
-
- Double_t xTrack = trackParam.GetNonBendingCoor();
- Double_t yTrack = trackParam.GetBendingCoor();
- Double_t ySlopeTrack = trackParam.GetBendingSlope();
- // Covariance matrix 3x3 (X,Y,slopeY) for tracker tracks
+ // Covariance matrix 3x3 (X,Y,slopeY) for trigger tracks
TMatrixD trackCov(3,3);
- trackCov.Zero();
- trackCov(0,0) = kParamCov(0,0);
- trackCov(1,1) = kParamCov(2,2);
- trackCov(2,2) = kParamCov(3,3);
- trackCov(1,2) = kParamCov(2,3);
- trackCov(2,1) = kParamCov(3,2);
-
- TMatrixD sumCov(trackCov,TMatrixD::kPlus,*fTrigCovariance);
-
- Bool_t isCovOK = kTRUE;
-
- if (sumCov.Determinant() != 0) {
- sumCov.Invert();
- } else {
- AliWarning(" Determinant = 0");
- isCovOK = kFALSE;
- sigma2[0] = kParamCov(0,0);
- sigma2[1] = kParamCov(2,2);
- sigma2[2] = kParamCov(3,3);
- // sigma of distributions (trigger-track) X,Y,slopeY
- const Double_t kDistSigma[3]={AliMUONConstants::TriggerNonBendingReso(),
- AliMUONConstants::TriggerBendingReso(),
- 1.414 * AliMUONConstants::TriggerBendingReso()/fDeltaZ};
- for (Int_t iVar = 0; iVar < 3; iVar++) sigma2[iVar] += kDistSigma[iVar] * kDistSigma[iVar];
- }
AliMUONTriggerTrack *triggerTrack;
TIter itTriggerTrack(triggerTrackStore.CreateIterator());
while ( ( triggerTrack = static_cast<AliMUONTriggerTrack*>(itTriggerTrack() ) ) )
{
- distTriggerTrack[0] = triggerTrack->GetX11() - xTrack;
- distTriggerTrack[1] = triggerTrack->GetY11() - yTrack;
- distTriggerTrack[2] = TMath::Tan(triggerTrack->GetThetay()) - ySlopeTrack;
-
- if(isCovOK){
- TMatrixD paramDiff(3,1);
- for(Int_t iVar = 0; iVar < 3; iVar++)
- paramDiff(iVar,0) = distTriggerTrack[iVar];
-
+ AliMUONTrackExtrap::LinearExtrapToZCov(&trackParam, triggerTrack->GetZ11());
+ const TMatrixD& kParamCov = trackParam.GetCovariances();
+
+ Double_t xTrack = trackParam.GetNonBendingCoor();
+ Double_t yTrack = trackParam.GetBendingCoor();
+ Double_t ySlopeTrack = trackParam.GetBendingSlope();
+
+ paramDiff(0,0) = triggerTrack->GetX11() - xTrack;
+ paramDiff(1,0) = triggerTrack->GetY11() - yTrack;
+ paramDiff(2,0) = triggerTrack->GetSlopeY() - ySlopeTrack;
+
+ // Covariance matrix 3x3 (X,Y,slopeY) for tracker tracks
+ trackCov.Zero();
+ trackCov(0,0) = kParamCov(0,0);
+ trackCov(1,1) = kParamCov(2,2);
+ trackCov(2,2) = kParamCov(3,3);
+ trackCov(1,2) = kParamCov(2,3);
+ trackCov(2,1) = kParamCov(3,2);
+
+ // Covariance matrix 3x3 (X,Y,slopeY) for trigger tracks
+ TMatrixD trigCov(triggerTrack->GetCovariances());
+
+ TMatrixD sumCov(trackCov,TMatrixD::kPlus,trigCov);
+ if (sumCov.Determinant() != 0) {
+ sumCov.Invert();
+
TMatrixD tmp(sumCov,TMatrixD::kMult,paramDiff);
TMatrixD chi2M(paramDiff,TMatrixD::kTransposeMult,tmp);
- chi2 = chi2M(0,0);
- }
- else {
+ chi2 = chi2M(0,0);
+ } else {
+ AliWarning(" Determinant = 0");
+ Double_t sigma2 = 0.;
chi2 = 0.;
- for (Int_t iVar = 0; iVar < 3; iVar++) chi2 += distTriggerTrack[iVar]*distTriggerTrack[iVar]/sigma2[iVar];
+ for (Int_t iVar = 0; iVar < 3; iVar++) {
+ sigma2 = trackCov(iVar,iVar) + trigCov(iVar,iVar);
+ chi2 += paramDiff(iVar,0) * paramDiff(iVar,0) / sigma2;
+ }
}
chi2 /= 3.; // Normalized Chi2: 3 degrees of freedom (X,Y,slopeY)
}
track->SetMatchTrigger(matchTrigger);
- track->SetLoTrgNum(loTrgNum);
track->SetChi2MatchTrigger(chi2MatchTrigger);
AliMUONLocalTrigger* locTrg = static_cast<AliMUONLocalTrigger*>(triggerStore.FindLocal(loTrgNum));
if (locTrg)
{
- Int_t deviation = locTrg->GetDeviation();
track->SetLocalTrigger(locTrg->LoCircuit(),
locTrg->LoStripX(),
locTrg->LoStripY(),
- deviation,
+ locTrg->GetDeviation(),
locTrg->LoLpt(),
- locTrg->LoHpt());
+ locTrg->LoHpt(),
+ locTrg->GetTriggerWithoutChamber());
}
return matchedTriggerTrack;
//
AliMUONTrackParam trackParamAtPadZ(trackParam);
- AliMUONTrackExtrap::ExtrapToZCov(&trackParamAtPadZ, zPad);
+ AliMUONTrackExtrap::LinearExtrapToZCov(&trackParamAtPadZ, zPad);
Float_t xTrackAtPad = trackParamAtPadZ.GetNonBendingCoor();
Float_t yTrackAtPad = trackParamAtPadZ.GetBendingCoor();
Int_t chOrder[fgkNchambers] = {0,2,1,3};
TArrayF zRealMatch(fgkNchambers);
- TArrayF correctFactor(fgkNcathodes);
Bool_t isMatch[fgkNcathodes];
for(Int_t cath=0; cath<fgkNcathodes; cath++){
}
TArrayF zMeanChamber(fgkNchambers);
- for(Int_t ch=0; ch<fgkNchambers; ch++){
- zMeanChamber[ch] = AliMUONConstants::DefaultChamberZ(10+ch);
- }
+ zMeanChamber[0] = matchedTrigTrack->GetZ11();
+ zMeanChamber[1] = matchedTrigTrack->GetZ11() + AliMUONConstants::DefaultChamberZ(11) - AliMUONConstants::DefaultChamberZ(10);
+ zMeanChamber[2] = matchedTrigTrack->GetZ21();
+ zMeanChamber[3] = matchedTrigTrack->GetZ21() + AliMUONConstants::DefaultChamberZ(13) - AliMUONConstants::DefaultChamberZ(12);
TArrayI digitPerTrack(fgkNcathodes);
Bool_t isClearEvent = kTRUE;
- //Float_t x11 = matchedTrigTrack->GetX11();// x position (info from non-bending plane)
Float_t y11 = matchedTrigTrack->GetY11();// y position (info from bending plane)
- Float_t thetaX = matchedTrigTrack->GetThetax();
- Float_t thetaY = matchedTrigTrack->GetThetay();
+ Float_t slopeX = matchedTrigTrack->GetSlopeX();
+ Float_t slopeY = matchedTrigTrack->GetSlopeY();
for(Int_t ch=0; ch<fgkNchambers; ch++) { // chamber loop
Int_t currCh = chOrder[ch];
AliDebug(3, Form("zMeanChamber[%i] = %.2f\tzRealMatch[0] = %.2f\n",currCh,zMeanChamber[currCh],zRealMatch[0]));
- for(Int_t cath=0; cath<fgkNcathodes; cath++){
- correctFactor[cath]=1.;
- }
- // calculate corrections to trigger track theta
- if(ch>=1) correctFactor[kNonBending] = zMeanChamber[0]/zRealMatch[0];// corrects x position
- if(ch>=2) correctFactor[kBending] = (zMeanChamber[2] - zMeanChamber[0]) / (zRealMatch[2] - zRealMatch[0]);// corrects y position
-
// searching track intersection with chambers (first approximation)
Float_t deltaZ = zMeanChamber[currCh] - zMeanChamber[0];
- trackIntersectCh[currCh][0] = zMeanChamber[currCh] * TMath::Tan(thetaX) * correctFactor[kNonBending];// x position (info from non-bending plane)
- trackIntersectCh[currCh][1] = y11 + deltaZ * TMath::Tan(thetaY) * correctFactor[kBending];// y position (info from bending plane)
+ trackIntersectCh[currCh][0] = zMeanChamber[currCh] * slopeX;
+ trackIntersectCh[currCh][1] = y11 + deltaZ * slopeY;
Int_t detElemIdFromTrack = DetElemIdFromPos(trackIntersectCh[currCh][0], trackIntersectCh[currCh][1], 11+currCh, 0);
if(detElemIdFromTrack<0) {
AliDebug(1, "Warning: trigger track outside trigger chamber\n");
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff