]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - MUON/AliMUONTrackHitPattern.cxx
Adding ruleckecher files into the distribbution
[u/mrichter/AliRoot.git] / MUON / AliMUONTrackHitPattern.cxx
index f0caf7abe22f8f475eba2641df5c8e0ee5b23f3c..e609c96b630ef9bc97bdd93b1dbf355da1ba7292 100644 (file)
@@ -35,8 +35,7 @@
 
 #include "AliMUONConstants.h"
 #include "AliMUONVDigit.h"
-#include "AliMUONDigitMaker.h"
-#include "AliMUONDigitStoreV1.h"
+#include "AliMUONVDigitStore.h"
 #include "AliMUONGeometryTransformer.h"
 #include "AliMUONLocalTrigger.h"
 #include "AliMUONLocalTriggerBoard.h"
@@ -62,7 +61,7 @@
 
 #include <Riostream.h>
 #include <TArrayS.h>
-#include <TClonesArray.h>
+#include <TObjArray.h>
 #include <TMath.h>
 #include <TMatrixD.h>
 #include <TROOT.h>
@@ -81,17 +80,14 @@ ClassImp(AliMUONTrackHitPattern) // Class implementation in ROOT context
 //______________________________________________________________________________
 AliMUONTrackHitPattern::AliMUONTrackHitPattern(const AliMUONRecoParam* recoParam,
                                                const AliMUONGeometryTransformer& transformer,
-                                               const AliMUONDigitMaker& digitMaker)
+                                               const AliMUONVDigitStore& digitStore)
 : TObject(),
 fkRecoParam(recoParam),
 fkTransformer(transformer),
-fkDigitMaker(digitMaker),
-fDeltaZ(0.0),
-fTrigCovariance(0x0),
+fkDigitStore(digitStore),
 fkMaxDistance(99999.)
 {
     /// Default constructor
-    InitMembers();
     AliMUONTrackExtrap::SetField();
 }
 
@@ -100,31 +96,8 @@ fkMaxDistance(99999.)
 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
 {
@@ -147,14 +120,11 @@ void AliMUONTrackHitPattern::ExecuteValidation(const AliMUONVTrackStore& trackSt
   /// and searches for matching trigger tracks and digits
   //
 
-  AliMUONDigitStoreV1 digitStore;
-  fkDigitMaker.TriggerToDigitsStore(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, digitStore);
+    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),
@@ -181,7 +151,7 @@ void AliMUONTrackHitPattern::ExecuteValidation(const AliMUONVTrackStore& trackSt
     // the obtained pattern is good for check, but not good for efficiency determination.
     UShort_t pattern = matchedTriggerTrack ?
       matchedTriggerTrack->GetHitsPatternInTrigCh() : 
-      GetHitPattern(&trackParam, digitStore);
+      GetHitPattern(&trackParam);
 
     track->SetHitsPatternInTrigCh(pattern);
   }
@@ -201,7 +171,7 @@ AliMUONTrackHitPattern::MatchTriggerTrack(AliMUONTrack* track,
 
   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
@@ -209,60 +179,51 @@ AliMUONTrackHitPattern::MatchTriggerTrack(AliMUONTrack* track,
   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)
@@ -308,20 +269,19 @@ AliMUONTrackHitPattern::MatchTriggerTrack(AliMUONTrack* track,
   }
     
   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;
@@ -329,21 +289,19 @@ AliMUONTrackHitPattern::MatchTriggerTrack(AliMUONTrack* track,
 
 
 //______________________________________________________________________________
-UShort_t AliMUONTrackHitPattern::GetHitPattern(AliMUONTriggerTrack* matchedTriggerTrack,
-                                              AliMUONVDigitStore& digitStore) const
+UShort_t AliMUONTrackHitPattern::GetHitPattern(AliMUONTriggerTrack* matchedTriggerTrack) const
 {
   //
   /// Get hit pattern on trigger chambers for the current trigger track
   //
   UShort_t pattern = 0;
-  PerformTrigTrackMatch(pattern, matchedTriggerTrack, digitStore);
+  PerformTrigTrackMatch(pattern, matchedTriggerTrack);
   return pattern;
 }
 
 
 //______________________________________________________________________________
-UShort_t AliMUONTrackHitPattern::GetHitPattern(AliMUONTrackParam* trackParam,
-                                              AliMUONVDigitStore& digitStore) const
+UShort_t AliMUONTrackHitPattern::GetHitPattern(AliMUONTrackParam* trackParam) const
 {
   //
   /// Get hit pattern on trigger chambers for the current tracker track
@@ -356,7 +314,7 @@ UShort_t AliMUONTrackHitPattern::GetHitPattern(AliMUONTrackParam* trackParam,
   {
     Int_t iChamber = kNTrackingCh+ch;
     AliMUONTrackExtrap::ExtrapToZCov(trackParam, AliMUONConstants::DefaultChamberZ(iChamber));
-    FindPadMatchingTrack(digitStore, *trackParam, isMatch, iChamber);
+    FindPadMatchingTrack(*trackParam, isMatch, iChamber);
     for(Int_t cath=0; cath<2; ++cath)
     {
       if(isMatch[cath]) AliESDMuonTrack::SetFiredChamber(pattern, cath, ch);
@@ -390,8 +348,7 @@ AliMUONTrackHitPattern::ApplyMCSCorrections(AliMUONTrackParam& trackParam) const
 
 //______________________________________________________________________________
 void 
-AliMUONTrackHitPattern::FindPadMatchingTrack(const AliMUONVDigitStore& digitStore,
-                                             const AliMUONTrackParam& trackParam,
+AliMUONTrackHitPattern::FindPadMatchingTrack(const AliMUONTrackParam& trackParam,
                                              Bool_t isMatch[2], Int_t iChamber) const
 {
     //
@@ -406,7 +363,7 @@ AliMUONTrackHitPattern::FindPadMatchingTrack(const AliMUONVDigitStore& digitStor
       minMatchDist[cath]=fkMaxDistance/10.;
     }
 
-    TIter next(digitStore.CreateIterator());
+    TIter next(fkDigitStore.CreateTriggerIterator());
     AliMUONVDigit* mDigit;
 
     while ( ( mDigit = static_cast<AliMUONVDigit*>(next()) ) )
@@ -448,7 +405,7 @@ AliMUONTrackHitPattern::MinDistanceFromPad(Float_t xPad, Float_t yPad, Float_t z
     //
 
     AliMUONTrackParam trackParamAtPadZ(trackParam);
-    AliMUONTrackExtrap::ExtrapToZCov(&trackParamAtPadZ, zPad);
+    AliMUONTrackExtrap::LinearExtrapToZCov(&trackParamAtPadZ, zPad);
 
     Float_t xTrackAtPad = trackParamAtPadZ.GetNonBendingCoor();
     Float_t yTrackAtPad = trackParamAtPadZ.GetBendingCoor();
@@ -474,7 +431,7 @@ AliMUONTrackHitPattern::MinDistanceFromPad(Float_t xPad, Float_t yPad, Float_t z
 
 
 //_____________________________________________________________________________
-Int_t AliMUONTrackHitPattern::FindPadMatchingTrig(const 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
 {
@@ -492,7 +449,13 @@ Int_t AliMUONTrackHitPattern::FindPadMatchingTrig(const AliMUONVDigitStore& digi
        minMatchDist[cath] = fkMaxDistance/10.;
        padsInCheckArea[cath] = 0;
     }
-    Int_t iChamber = AliMpDEManager::GetChamberId(detElemId);
+    
+    Int_t iChamber = AliMpDEManager::GetChamberId(detElemId);  
+    if ( iChamber < 0 ) {
+      AliErrorStream() << "Cannot get chamberId from detElemId=" << detElemId << endl;
+      return -1;
+    }  
+
     Int_t ch = iChamber-10;
     Float_t oldDeltaZ = AliMUONConstants::DefaultChamberZ(iChamber) - AliMUONConstants::DefaultChamberZ(10);
     Float_t y = coor[1];
@@ -502,7 +465,7 @@ Int_t AliMUONTrackHitPattern::FindPadMatchingTrig(const AliMUONVDigitStore& digi
     Float_t foundZmatch=999.;
     Float_t yCoorAtPadZ=999.;
 
-    TIter next(digitStore.CreateIterator());
+    TIter next(fkDigitStore.CreateTriggerIterator());
     AliMUONVDigit* mDigit;
     Int_t idigit=0;
     
@@ -671,25 +634,32 @@ void AliMUONTrackHitPattern::LocalBoardFromPos(Float_t x, Float_t y,
     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;
-    fkTransformer.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.X(),pos.Y(),kFALSE);
-       for (Int_t loc=0; loc<pad.GetNofLocations(); loc++){
-           localBoard[loc] = pad.GetLocalBoardId(loc);
-       }
+    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,
-                                                    const AliMUONTriggerTrack* matchedTrigTrack,
-                                                    AliMUONVDigitStore& digitStore) const
+                                                    const AliMUONTriggerTrack* matchedTrigTrack) const
 {
   //
   /// It searches for matching digits around the trigger track.
@@ -700,7 +670,6 @@ Bool_t AliMUONTrackHitPattern::PerformTrigTrackMatch(UShort_t &pattern,
   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++){
@@ -708,9 +677,10 @@ Bool_t AliMUONTrackHitPattern::PerformTrigTrackMatch(UShort_t &pattern,
   }
 
   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);
 
@@ -754,26 +724,18 @@ Bool_t AliMUONTrackHitPattern::PerformTrigTrackMatch(UShort_t &pattern,
 
   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");
@@ -785,7 +747,7 @@ Bool_t AliMUONTrackHitPattern::PerformTrigTrackMatch(UShort_t &pattern,
       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 => Do not use for efficiency calculation