/// searching for matching trigger tracks and fired strips.
///
/// To each track, a hit pattern for trigger chambers is set.
-/// The hit pattern is a UShort_t with 8 bits used:
-/// <pre>
-/// 1 1 0 1 1 1 0 1
-/// | | |
-/// ----------- ------------
-/// chamber: 11 12 13 14 | 11 12 13 14
-/// cathode: bending | non-bending
-/// </pre>
+///
/// The main method is:
/// * ExecuteValidation
///
#include "AliMUONConstants.h"
#include "AliMUONVDigit.h"
-#include "AliMUONDigitMaker.h"
-#include "AliMUONDigitStoreV1.h"
+#include "AliMUONVDigitStore.h"
#include "AliMUONGeometryTransformer.h"
#include "AliMUONLocalTrigger.h"
#include "AliMUONLocalTriggerBoard.h"
+#include "AliMUONRecoParam.h"
#include "AliMUONTrack.h"
#include "AliMUONTrackExtrap.h"
#include "AliMUONTrackParam.h"
#include "AliMpVSegmentation.h"
#include "AliMpDEManager.h"
#include "AliMUONReconstructor.h"
-#include "AliMUONRecoParam.h"
#include "AliMUONTriggerTrack.h"
#include "AliMUONVTriggerTrackStore.h"
#include "AliMpConstants.h"
-#include "AliMagF.h"
#include "AliLog.h"
#include "AliTracker.h"
+#include "AliESDMuonTrack.h"
#include <Riostream.h>
#include <TArrayS.h>
#include <TDirectory.h>
#include <TFile.h>
#include <TSystem.h>
+#include <TVector2.h>
#include <cassert>
//______________________________________________________________________________
-AliMUONTrackHitPattern::AliMUONTrackHitPattern(const AliMUONGeometryTransformer& transformer,
- const AliMUONDigitMaker& digitMaker)
- : TObject(),
- fTransformer(transformer),
- fDigitMaker(digitMaker),
- fDeltaZ(0.0),
- fTrigCovariance(0x0),
- fkMaxDistance(99999.)
+AliMUONTrackHitPattern::AliMUONTrackHitPattern(const AliMUONRecoParam* recoParam,
+ const AliMUONGeometryTransformer& transformer,
+ const AliMUONVDigitStore& digitStore)
+: TObject(),
+fkRecoParam(recoParam),
+fkTransformer(transformer),
+fkDigitStore(digitStore),
+fkMaxDistance(99999.)
{
/// Default constructor
- InitMembers();
-
- // Set magnetic field
- const AliMagF* kField = AliTracker::GetFieldMap();
- if (!kField) AliFatal("No field available");
- AliMUONTrackExtrap::SetField(kField);
+ AliMUONTrackExtrap::SetField();
}
AliMUONTrackHitPattern::~AliMUONTrackHitPattern(void)
{
/// Destructor
- delete fTrigCovariance;
-}
-
-
-//______________________________________________________________________________
-void AliMUONTrackHitPattern::InitMembers()
-{
- //
- /// Initialize data members
- //
- fDeltaZ = TMath::Abs(AliMUONConstants::DefaultChamberZ(12) - AliMUONConstants::DefaultChamberZ(10));
-
- const Double_t kTrigNonBendReso = AliMUONConstants::TriggerNonBendingReso();
- const Double_t kTrigBendReso = AliMUONConstants::TriggerBendingReso();
- const Double_t kTrigSlopeBendReso = 1.414 * AliMUONConstants::TriggerBendingReso()/fDeltaZ;
- const Double_t kTrigCovSlopeBend = - kTrigBendReso * kTrigBendReso / fDeltaZ;
-
- // 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) = kTrigSlopeBendReso * kTrigSlopeBendReso;
- (*fTrigCovariance)(1,2) = (*fTrigCovariance)(2,1) = kTrigCovSlopeBend;
}
-
//_____________________________________________________________________________
void AliMUONTrackHitPattern::CheckConstants() const
{
//______________________________________________________________________________
-void AliMUONTrackHitPattern::ExecuteValidation(AliMUONVTrackStore& trackStore,
+void AliMUONTrackHitPattern::ExecuteValidation(const AliMUONVTrackStore& trackStore,
const AliMUONVTriggerTrackStore& triggerTrackStore,
const AliMUONVTriggerStore& triggerStore) const
{
/// and searches for matching trigger tracks and digits
//
- AliMUONDigitStoreV1 digitStore;
- TriggerDigits(triggerStore,digitStore);
-
+ // Get the hit pattern for all trigger tracks
+ AliMUONTriggerTrack* triggerTrack;
+ TIter itTriggerTrack(triggerTrackStore.CreateIterator());
+ while ( ( triggerTrack = static_cast<AliMUONTriggerTrack*>(itTriggerTrack() ) ) ){
+ UShort_t pattern = GetHitPattern(triggerTrack);
+ triggerTrack->SetHitsPatternInTrigCh(pattern);
+ AliDebug(1, Form("Hit pattern: hits 0x%x slat %2i board %3i effFlag %i",
+ pattern & 0xFF, AliESDMuonTrack::GetSlatOrInfo(pattern),
+ triggerTrack->GetLoTrgNum(), AliESDMuonTrack::GetEffFlag(pattern)));
+ }
+ // Match tracker tracks with trigger tracks.
TIter itTrack(trackStore.CreateIterator());
AliMUONTrack* track;
AliMUONTriggerTrack *matchedTriggerTrack = MatchTriggerTrack(track, trackParam, triggerTrackStore, triggerStore);
- UShort_t pattern = GetHitPattern(trackParam, matchedTriggerTrack, digitStore);
+ // Copy trigger tracks hit pattern if there is matching,
+ // otherwise calculate the hit pattern directly from tracker track:
+ // the obtained pattern is good for check, but not good for efficiency determination.
+ UShort_t pattern = matchedTriggerTrack ?
+ matchedTriggerTrack->GetHitsPatternInTrigCh() :
+ GetHitPattern(&trackParam);
+
track->SetHitsPatternInTrigCh(pattern);
}
}
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)
- if (chi2 < AliMUONReconstructor::GetRecoParam()->GetMaxNormChi2MatchTrigger())
+ if (chi2 < GetRecoParam()->GetMaxNormChi2MatchTrigger())
{
Bool_t isDoubleTrack = (TMath::Abs(chi2 - minChi2MatchTrigger)<1.);
- if (chi2 < minChi2MatchTrigger && chi2 < AliMUONReconstructor::GetRecoParam()->GetMaxNormChi2MatchTrigger())
+ if (chi2 < minChi2MatchTrigger && chi2 < GetRecoParam()->GetMaxNormChi2MatchTrigger())
{
if(isDoubleTrack)
{
}
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;
//______________________________________________________________________________
-UShort_t AliMUONTrackHitPattern::GetHitPattern(AliMUONTrackParam &trackParam,
- AliMUONTriggerTrack* matchedTriggerTrack,
- AliMUONVDigitStore& digitStore) const
+UShort_t AliMUONTrackHitPattern::GetHitPattern(AliMUONTriggerTrack* matchedTriggerTrack) const
{
//
- /// Get hit pattern on trigger chambers for the current track
+ /// Get hit pattern on trigger chambers for the current trigger track
//
UShort_t pattern = 0;
- Bool_t isMatch[2];
- const Int_t kNTrackingCh = AliMUONConstants::NTrackingCh();
-
- Bool_t patternFromTrigTrack = kFALSE;
-
-
- // Calculate hit pattern from trigger track
- if(matchedTriggerTrack){
- patternFromTrigTrack = PerformTrigTrackMatch(pattern, matchedTriggerTrack, digitStore);
- }
-
- if(patternFromTrigTrack) return pattern;
+ PerformTrigTrackMatch(pattern, matchedTriggerTrack);
+ return pattern;
+}
- // Calculate hit pattern from tracker track propagation
- // if hit pattern from trigger track failed
+//______________________________________________________________________________
+UShort_t AliMUONTrackHitPattern::GetHitPattern(AliMUONTrackParam* trackParam) const
+{
+ //
+ /// Get hit pattern on trigger chambers for the current tracker track
+ //
+ UShort_t pattern = 0;
+ Bool_t isMatch[2];
+ const Int_t kNTrackingCh = AliMUONConstants::NTrackingCh();
for(Int_t ch=0; ch<4; ++ch)
{
Int_t iChamber = kNTrackingCh+ch;
- AliMUONTrackExtrap::ExtrapToZCov(&trackParam, AliMUONConstants::DefaultChamberZ(iChamber));
- FindPadMatchingTrack(digitStore, trackParam, isMatch, iChamber);
+ AliMUONTrackExtrap::ExtrapToZCov(trackParam, AliMUONConstants::DefaultChamberZ(iChamber));
+ FindPadMatchingTrack(*trackParam, isMatch, iChamber);
for(Int_t cath=0; cath<2; ++cath)
{
- if(isMatch[cath]) SetBit(pattern, cath, ch);
+ if(isMatch[cath]) AliESDMuonTrack::SetFiredChamber(pattern, cath, ch);
}
}
- return pattern;
-}
+ // pattern obtained by propagation of tracker track
+ // when it does not match the trigger.
+ AliESDMuonTrack::AddEffInfo(pattern, AliESDMuonTrack::kTrackerTrackPattern);
-//______________________________________________________________________________
-void AliMUONTrackHitPattern::SetBit(UShort_t& pattern, Int_t cathode, Int_t chamber) const
-{
- //
- /// Set hits pattern
- //
- const Int_t kMask[2][4]= {{0x80, 0x40, 0x20, 0x10},
- {0x08, 0x04, 0x02, 0x01}};
- pattern |= kMask[cathode][chamber];
-}
-
-
-//______________________________________________________________________________
-void AliMUONTrackHitPattern::AddEffInfo(UShort_t& pattern, Int_t slat, Int_t effType) const
-{
- //
- /// Set info on efficiency calculation
- //
- pattern += effType << 8;
- pattern += slat << 10;
+ return pattern;
}
-
//______________________________________________________________________________
void
AliMUONTrackHitPattern::ApplyMCSCorrections(AliMUONTrackParam& trackParam) const
//
const Float_t kZFilterOut = AliMUONConstants::MuonFilterZEnd();
- const Float_t kFilterThickness = TMath::Abs(kZFilterOut-AliMUONConstants::MuonFilterZBeg()); // cm
+ const Float_t kFilterThickness = kZFilterOut-AliMUONConstants::MuonFilterZBeg(); // cm
AliMUONTrackExtrap::ExtrapToZCov(&trackParam, kZFilterOut); // Extrap to muon filter end
AliMUONTrackExtrap::AddMCSEffect(&trackParam, kFilterThickness, AliMUONConstants::MuonFilterX0()); // Add MCS effects
}
-//______________________________________________________________________________
-Bool_t
-AliMUONTrackHitPattern::TriggerDigits(const AliMUONVTriggerStore& triggerStore,
- AliMUONVDigitStore& digitStore) const
-{
- //
- /// make (S)Digit for trigger
- //
-
- digitStore.Clear();
-
- AliMUONLocalTrigger* locTrg;
- TIter next(triggerStore.CreateLocalIterator());
-
- while ( ( locTrg = static_cast<AliMUONLocalTrigger*>(next()) ) )
- {
- if (locTrg->IsNull()) continue;
-
- TArrayS xyPattern[2];
- locTrg->GetXPattern(xyPattern[0]);
- locTrg->GetYPattern(xyPattern[1]);
-
- // do we need this ? (Ch.F.)
-// for(Int_t cath=0; cath<2; ++cath)
-// {
-// for(Int_t ch=0; ch<4; ++ch)
-// {
-// if(xyPattern[cath][ch]==0) continue;
-// }
-// }
-
- Int_t nBoard = locTrg->LoCircuit();
- fDigitMaker.TriggerDigits(nBoard, xyPattern, digitStore);
- }
- return kTRUE;
-}
-
-
//______________________________________________________________________________
void
-AliMUONTrackHitPattern::FindPadMatchingTrack(AliMUONVDigitStore& digitStore,
- const AliMUONTrackParam& trackParam,
+AliMUONTrackHitPattern::FindPadMatchingTrack(const AliMUONTrackParam& trackParam,
Bool_t isMatch[2], Int_t iChamber) const
{
//
minMatchDist[cath]=fkMaxDistance/10.;
}
- TIter next(digitStore.CreateIterator());
+ TIter next(fkDigitStore.CreateTriggerIterator());
AliMUONVDigit* mDigit;
while ( ( mDigit = static_cast<AliMUONVDigit*>(next()) ) )
const AliMpVSegmentation* seg = AliMpSegmentation::Instance()
->GetMpSegmentation(currDetElemId,AliMp::GetCathodType(cathode));
- AliMpPad pad = seg->PadByIndices(AliMpIntPair(ix,iy),kTRUE);
- Float_t xlocal1 = pad.Position().X();
- Float_t ylocal1 = pad.Position().Y();
- Float_t dpx = pad.Dimensions().X();
- Float_t dpy = pad.Dimensions().Y();
- fTransformer.Local2Global(currDetElemId, xlocal1, ylocal1, 0, xpad, ypad, zpad);
+ AliMpPad pad = seg->PadByIndices(ix,iy,kTRUE);
+ Float_t xlocal1 = pad.GetPositionX();
+ Float_t ylocal1 = pad.GetPositionY();
+ Float_t dpx = pad.GetDimensionX();
+ Float_t dpy = pad.GetDimensionY();
+
+ fkTransformer.Local2Global(currDetElemId, xlocal1, ylocal1, 0, xpad, ypad, zpad);
Float_t matchDist = MinDistanceFromPad(xpad, ypad, zpad, dpx, dpy, trackParam);
if(matchDist>minMatchDist[cathode])continue;
isMatch[cathode] = kTRUE;
//
AliMUONTrackParam trackParamAtPadZ(trackParam);
- AliMUONTrackExtrap::ExtrapToZCov(&trackParamAtPadZ, zPad);
+ AliMUONTrackExtrap::LinearExtrapToZCov(&trackParamAtPadZ, zPad);
Float_t xTrackAtPad = trackParamAtPadZ.GetNonBendingCoor();
Float_t yTrackAtPad = trackParamAtPadZ.GetBendingCoor();
- const Float_t kNSigma = AliMUONReconstructor::GetRecoParam()->GetSigmaCutForTrigger();
+ const Float_t kNSigma = GetRecoParam()->GetSigmaCutForTrigger();
const TMatrixD& kCovParam = trackParamAtPadZ.GetCovariances();
//_____________________________________________________________________________
-Int_t AliMUONTrackHitPattern::FindPadMatchingTrig(AliMUONVDigitStore& digitStore, Int_t &detElemId,
+Int_t AliMUONTrackHitPattern::FindPadMatchingTrig(Int_t &detElemId,
Float_t coor[2], Bool_t isMatch[2],
TArrayI nboard[2], TArrayF &zRealMatch, Float_t y11) const
{
Float_t foundZmatch=999.;
Float_t yCoorAtPadZ=999.;
- TIter next(digitStore.CreateIterator());
+ TIter next(fkDigitStore.CreateTriggerIterator());
AliMUONVDigit* mDigit;
Int_t idigit=0;
const AliMpVSegmentation* seg = AliMpSegmentation::Instance()
->GetMpSegmentation(currDetElemId,AliMp::GetCathodType(cathode));
- AliMpPad pad = seg->PadByIndices(AliMpIntPair(ix,iy),kTRUE);
- Float_t xlocal1 = pad.Position().X();
- Float_t ylocal1 = pad.Position().Y();
- Float_t dpx = pad.Dimensions().X();
- Float_t dpy = pad.Dimensions().Y();
- fTransformer.Local2Global(currDetElemId, xlocal1, ylocal1, 0, xpad, ypad, zpad);
+ AliMpPad pad = seg->PadByIndices(ix,iy,kTRUE);
+ Float_t xlocal1 = pad.GetPositionX();
+ Float_t ylocal1 = pad.GetPositionY();
+ Float_t dpx = pad.GetDimensionX();
+ Float_t dpy = pad.GetDimensionY();
+
+ fkTransformer.Local2Global(currDetElemId, xlocal1, ylocal1, 0, xpad, ypad, zpad);
AliDebug(2, Form("\nDetElemId = %i Cathode = %i Pad = (%i,%i) = (%.2f,%.2f) Dim = (%.2f,%.2f) Track = (%.2f,%.2f)\n",currDetElemId,cathode,ix,iy,xpad,ypad,dpx,dpy,coor[0],coor[1]));
// searching track intersection with chambers (second approximation)
if(ch%2==1){
yCoorAtPadZ=y;
if(cathode==kBending) trigDigitBendPlane = idigit;
for (Int_t loc=0; loc<pad.GetNofLocations(); loc++){
- AliMpIntPair location = pad.GetLocation(loc);
- nboard[cathode][loc] = location.GetFirst();
+ nboard[cathode][loc] = pad.GetLocalBoardId(loc);
}
for(Int_t loc=pad.GetNofLocations(); loc<fgkNlocations; loc++){
nboard[cathode][loc]=-1;
}
}
- for(Int_t cath=0; cath<fgkNcathodes; cath++){
- if(padsInCheckArea[cath]>2) {
- AliDebug(1, Form("padsInCheckArea[%i] = %i\n",cath,padsInCheckArea[cath]));
- return -500;
- }
- }
-
if(isMatch[kBending] || isMatch[kNonBending]){
detElemId = foundDetElemId;
zRealMatch[ch] = foundZmatch;
coor[1] = yCoorAtPadZ;
}
+
+ // If track matches many pads, it is not good for effciency determination.
+ // However we still want to calculate the hit pattern.
+ for(Int_t cath=0; cath<fgkNcathodes; cath++){
+ if(padsInCheckArea[cath]>2) {
+ AliDebug(1, Form("padsInCheckArea[%i] = %i\n",cath,padsInCheckArea[cath]));
+ return -500;
+ }
+ }
+
return trigDigitBendPlane;
}
/// Decides if the digit belongs to the trigger track.
//
- Float_t maxDist = AliMUONReconstructor::GetRecoParam()->GetStripCutForTrigger() * 2. * TMath::Min(dpx,dpy); // cm
+ Float_t maxDist = GetRecoParam()->GetStripCutForTrigger() * 2. * TMath::Min(dpx,dpy); // cm
if(maxDist<2.) maxDist = 2.;
- Float_t maxDistCheckArea = AliMUONReconstructor::GetRecoParam()->GetMaxStripAreaForTrigger() * 2. * TMath::Min(dpx,dpy); // cm
+ Float_t maxDistCheckArea = GetRecoParam()->GetMaxStripAreaForTrigger() * 2. * TMath::Min(dpx,dpy); // cm
Float_t matchDist = fkMaxDistance;
->GetMpSegmentation(detElemId,AliMp::GetCathodType(cathode));
if (!seg) continue;
- Float_t deltax = seg->Dimensions().X();
- Float_t deltay = seg->Dimensions().Y();
+ Float_t deltax = seg->GetDimensionX();
+ Float_t deltay = seg->GetDimensionY();
Float_t xlocal1 = -deltax;
Float_t ylocal1 = -deltay;
Float_t xlocal2 = +deltax;
Float_t ylocal2 = +deltay;
Float_t xg01, yg01, zg1, xg02, yg02, zg2;
- fTransformer.Local2Global(detElemId, xlocal1, ylocal1, 0, xg01, yg01, zg1);
- fTransformer.Local2Global(detElemId, xlocal2, ylocal2, 0, xg02, yg02, zg2);
+ fkTransformer.Local2Global(detElemId, xlocal1, ylocal1, 0, xg01, yg01, zg1);
+ fkTransformer.Local2Global(detElemId, xlocal2, ylocal2, 0, xg02, yg02, zg2);
Float_t xg1 = xg01, xg2 = xg02, yg1 = yg01, yg2 = yg02;
for(Int_t loc=0; loc<fgkNlocations; loc++){
localBoard[loc]=-1;
}
+ Float_t xg, yg, zg;
+ fkTransformer.Local2Global(detElemId, 0., 0., 0., xg, yg, zg);
+ Float_t z = zg - (y-yg)*TMath::Tan(TMath::DegToRad()*AliMUONConstants::St345Inclination());
Float_t xl, yl, zl;
- fTransformer.Global2Local(detElemId, x, y, 0, xl, yl, zl);
- TVector2 pos(xl,yl);
+ fkTransformer.Global2Local(detElemId, x, y, z, xl, yl, zl);
const AliMpVSegmentation* seg =
AliMpSegmentation::Instance()
->GetMpSegmentation(detElemId,AliMp::GetCathodType(cathode));
- if (seg){
- AliMpPad pad = seg->PadByPosition(pos,kFALSE);
- for (Int_t loc=0; loc<pad.GetNofLocations(); loc++){
- AliMpIntPair location = pad.GetLocation(loc);
- localBoard[loc] = location.GetFirst();
- }
+ if ( ! seg ) return;
+ AliMpPad pad = seg->PadByPosition(xl,yl,kFALSE);
+ if ( ! pad.IsValid() ){
+ AliWarning(Form("Pad not found! DetElemId %i position global (%f, %f, %f) local (%f, %f, %f)\n", detElemId, x, y, z, xl, yl, zl));
+ return;
+ }
+
+ AliDebug(2, Form("\nWould match: DetElemId = %i Pad = (%i,%i) = (%.2f,%.2f,%.2f) Board %3i\n",detElemId,pad.GetIx(),pad.GetIy(),xl,yl,zl,pad.GetLocalBoardId(0)));
+
+ for (Int_t loc=0; loc<pad.GetNofLocations(); loc++){
+ localBoard[loc] = pad.GetLocalBoardId(loc);
}
}
//_____________________________________________________________________________
Bool_t AliMUONTrackHitPattern::PerformTrigTrackMatch(UShort_t &pattern,
- AliMUONTriggerTrack *matchedTrigTrack,
- AliMUONVDigitStore& digitStore) const
+ const AliMUONTriggerTrack* matchedTrigTrack) const
{
//
/// It searches for matching digits around the trigger track.
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");
+ isClearEvent = kFALSE;
+
+ // track is rejected since the extrapolated track
+ // does not match a slat (border effects)
+ AliESDMuonTrack::AddEffInfo(pattern, AliESDMuonTrack::kTrackOutsideGeometry);
continue;
}
- triggeredDigits[currCh] = FindPadMatchingTrig(digitStore, detElemIdFromTrack, trackIntersectCh[currCh], isMatch, nboard, zRealMatch, y11);
+ triggeredDigits[currCh] = FindPadMatchingTrig(detElemIdFromTrack, trackIntersectCh[currCh], isMatch, nboard, zRealMatch, y11);
// if FindPadMatchingTrig = -500 => too many digits matching pad =>
- // => Event not clear => Reject track
+ // => Event not clear => Do not use for efficiency calculation
if(triggeredDigits[currCh]<-100){
isClearEvent = kFALSE;
+ // track is rejected since it matches many pads
+ AliESDMuonTrack::AddEffInfo(pattern, AliESDMuonTrack::kTrackMatchesManyPads);
AliDebug(1, Form("Warning: track = %p (%i) matches many pads. Rejected!\n",(void *)matchedTrigTrack, detElemIdFromTrack));
- break;
}
for(Int_t cath=0; cath<fgkNcathodes; cath++){
if(!isMatch[cath]) continue;
- SetBit(pattern, cath, currCh);
+ AliESDMuonTrack::SetFiredChamber(pattern, cath, currCh);
digitPerTrack[cath]++;
trigScheme[cath][currCh]++;
slatThatTriggered[cath][currCh] = detElemIdFromTrack;
} // end chamber loop
for(Int_t cath=0; cath<fgkNcathodes; cath++){
- if(digitPerTrack[cath]<3) isClearEvent = kFALSE;
- if(!isClearEvent) AliDebug(1, Form("Warning: found %i digits for trigger track cathode %i.\nRejecting event\n", digitPerTrack[cath],cath));
+ if(digitPerTrack[cath]<3) {
+ isClearEvent = kFALSE;
+ // track is rejected since the number of associated
+ // digits found is less than 3.
+ AliESDMuonTrack::AddEffInfo(pattern, AliESDMuonTrack::kTrackMatchesFewPads);
+ AliDebug(1, Form("Warning: found %i digits for trigger track cathode %i.\nRejecting event\n", digitPerTrack[cath],cath));
+ }
}
if(!isClearEvent) return kFALSE;
- Int_t goodForEff = kBoardEff;
+ AliESDMuonTrack::EAliTriggerChPatternFlag goodForEff = AliESDMuonTrack::kBoardEff;
Int_t ineffSlat = -1;
Int_t ineffDetElId = -1;
isCurrChIneff = kTRUE;
}
if(currSlat!=firstSlat) {
- AddEffInfo(pattern, 20, kChEff);
+ AliESDMuonTrack::AddEffInfo(pattern,
+ AliESDMuonTrack::kCrossDifferentSlats,
+ AliESDMuonTrack::kChEff); // track crosses different slats
return kTRUE;
}
Bool_t atLeastOneLoc=kFALSE;
break;
}
}
- if(!atLeastOneLoc) goodForEff = kSlatEff;
+ if(!atLeastOneLoc) goodForEff = AliESDMuonTrack::kSlatEff;
} // end chamber loop
- AddEffInfo(pattern, firstSlat, goodForEff);
+ AliESDMuonTrack::AddEffInfo(pattern, firstSlat, goodForEff);
return kTRUE;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff