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[u/mrichter/AliRoot.git] / MUON / AliMUONTrackReconstructor.cxx

diff --git a/MUON/AliMUONTrackReconstructor.cxx b/MUON/AliMUONTrackReconstructor.cxx
index e60d1f2f9ac157de083a33b84b4b91874eb68bae..8a41b4c726e3fd9e9d862f464255703a981f5acf 100644 (file)
--- a/MUON/AliMUONTrackReconstructor.cxx
+++ b/MUON/AliMUONTrackReconstructor.cxx
@@ -36,6 +36,7 @@
 #include "AliMUONTrackParam.h"
 #include "AliMUONTrackExtrap.h"
 #include "AliMUONRecoParam.h"
+#include "AliMUONGeometryTransformer.h"
 
 #include "AliMpArea.h"
 
@@ -45,17 +46,21 @@
 #include <Riostream.h>
 #include <TMath.h>
 #include <TMatrixD.h>
+#include <TClonesArray.h>
 
 // Functions to be minimized with Minuit
 void TrackChi2(Int_t &nParam, Double_t *gradient, Double_t &chi2, Double_t *param, Int_t flag);
 
+using std::endl;
+using std::cout;
 /// \cond CLASSIMP
 ClassImp(AliMUONTrackReconstructor) // Class implementation in ROOT context
 /// \endcond
 
   //__________________________________________________________________________
-AliMUONTrackReconstructor::AliMUONTrackReconstructor(const AliMUONRecoParam* recoParam, AliMUONVClusterServer* clusterServer)
-  : AliMUONVTrackReconstructor(recoParam,clusterServer)
+AliMUONTrackReconstructor::AliMUONTrackReconstructor(const AliMUONRecoParam* recoParam, AliMUONVClusterServer* clusterServer,
+                                                    const AliMUONGeometryTransformer* transformer)
+  : AliMUONVTrackReconstructor(recoParam, clusterServer, transformer)
 {
   /// Constructor
 }
@@ -124,21 +129,17 @@ Bool_t AliMUONTrackReconstructor::MakeTrackCandidates(AliMUONVClusterStore& clus
          fNRecTracks--;
        } else if (fNRecTracks > GetRecoParam()->GetMaxTrackCandidates()) {
          AliError(Form("Too many track candidates (%d tracks). Stop tracking.", fNRecTracks));
-         delete segments;
          return kFALSE;
        }
       } else {
        if ((fNRecTracks + segments->GetEntriesFast() - iseg - 1) > GetRecoParam()->GetMaxTrackCandidates()) {
          AliError(Form("Too many track candidates (%d tracks). Stop tracking.", fNRecTracks + segments->GetEntriesFast() - iseg - 1));
-         delete segments;
          return kFALSE;
        }
       }
       
     }
     
-    // delete the array of segments
-    delete segments;
   }
   
   // Keep all different tracks or only the best ones as required
@@ -209,14 +210,11 @@ Bool_t AliMUONTrackReconstructor::MakeMoreTrackCandidates(AliMUONVClusterStore&
        // abort tracking if there are too many candidates
        if ((fNRecTracks + segments->GetEntriesFast() - iSegment - 1) > GetRecoParam()->GetMaxTrackCandidates()) {
          AliError(Form("Too many track candidates (%d tracks). Stop tracking.", fNRecTracks + segments->GetEntriesFast() - iSegment - 1));
-         delete segments;
          return kFALSE;
        }
        
       }
       
-      // delete the array of segments
-      delete segments;
     }
   }
   
@@ -488,16 +486,16 @@ Bool_t AliMUONTrackReconstructor::FollowTrackInChamber(AliMUONTrack &trackCandid
   }
   
   // Add MCS effect
-  AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCh,AliMUONConstants::ChamberThicknessInX0(),1.);
+  Int_t currentChamber = extrapTrackParamAtCh.GetClusterPtr()->GetChamberId();
+  AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCh,AliMUONConstants::ChamberThicknessInX0(currentChamber),-1.);
   
   // Add MCS in the missing chamber(s) if any
-  Int_t currentChamber = extrapTrackParamAtCh.GetClusterPtr()->GetChamberId();
   while (currentChamber > nextChamber + 1) {
     // extrapolation to the missing chamber
     currentChamber--;
     if (!AliMUONTrackExtrap::ExtrapToZCov(&extrapTrackParamAtCh, AliMUONConstants::DefaultChamberZ(currentChamber))) return kFALSE;
     // add MCS effect
-    AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCh,AliMUONConstants::ChamberThicknessInX0(),1.);
+    AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCh,AliMUONConstants::ChamberThicknessInX0(currentChamber),-1.);
   }
   
   //Extrapolate trackCandidate to chamber
@@ -645,16 +643,16 @@ Bool_t AliMUONTrackReconstructor::FollowTrackInStation(AliMUONTrack &trackCandid
   }
   
   // Add MCS effect
-  AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCh,AliMUONConstants::ChamberThicknessInX0(),1.);
+  Int_t currentChamber = extrapTrackParamAtCh.GetClusterPtr()->GetChamberId();
+  AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCh,AliMUONConstants::ChamberThicknessInX0(currentChamber),-1.);
   
   // Add MCS in the missing chamber(s) if any
-  Int_t currentChamber = extrapTrackParamAtCh.GetClusterPtr()->GetChamberId();
   while (ch1 < ch2 && currentChamber > ch2 + 1) {
     // extrapolation to the missing chamber
     currentChamber--;
     if (!AliMUONTrackExtrap::ExtrapToZCov(&extrapTrackParamAtCh, AliMUONConstants::DefaultChamberZ(currentChamber))) return kFALSE;
     // add MCS effect
-    AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCh,AliMUONConstants::ChamberThicknessInX0(),1.);
+    AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCh,AliMUONConstants::ChamberThicknessInX0(currentChamber),-1.);
   }
   
   //Extrapolate trackCandidate to chamber "ch2"
@@ -709,7 +707,7 @@ Bool_t AliMUONTrackReconstructor::FollowTrackInStation(AliMUONTrack &trackCandid
       }
       
       // add MCS effect for next step
-      AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCluster2,AliMUONConstants::ChamberThicknessInX0(),1.);
+      AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCluster2,AliMUONConstants::ChamberThicknessInX0(ch2),-1.);
       
       // copy new track parameters for next step
       extrapTrackParam = extrapTrackParamAtCluster2;
@@ -802,7 +800,7 @@ Bool_t AliMUONTrackReconstructor::FollowTrackInStation(AliMUONTrack &trackCandid
   if (GetRecoParam()->TrackAllTracks() || !foundTwoClusters) {
     
     // add MCS effect for next step
-    AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCh,AliMUONConstants::ChamberThicknessInX0(),1.);
+    AliMUONTrackExtrap::AddMCSEffect(&extrapTrackParamAtCh,AliMUONConstants::ChamberThicknessInX0(ch2),-1.);
     
     //Extrapolate trackCandidate to chamber "ch1"
     Bool_t normalExtrap = AliMUONTrackExtrap::ExtrapToZCov(&extrapTrackParamAtCh, AliMUONConstants::DefaultChamberZ(ch1));
@@ -949,9 +947,6 @@ Double_t AliMUONTrackReconstructor::TryTwoClusters(const AliMUONTrackParam &trac
     // copy track parameters at first cluster for jacobian calculation
     AliMUONTrackParam trackParam(trackParamAtCluster1);
     
-    // add MCS effect to the covariance matrix at first cluster
-    AliMUONTrackExtrap::AddMCSEffect(&trackParam,AliMUONConstants::ChamberThicknessInX0(),1.);
-    
     // Get the pointer to the parameter covariance matrix at first cluster
     const TMatrixD& kParamCov = trackParam.GetCovariances();
     
@@ -1259,6 +1254,7 @@ void AliMUONTrackReconstructor::Fit(AliMUONTrack &track, Bool_t includeMCS, Bool
     // Covariance matrix according to HESSE status
     // If problem then keep only the diagonal terms (variances)
     Double_t matrix[5][5];
+    for (Int_t i=0; i<5; i++) for (Int_t j=0; j<5; j++) matrix[i][j] = 0.;
     gMinuit->mnemat(&matrix[0][0],5);
     if (covStatus == 3) trackParam->SetCovariances(matrix);
     else trackParam->SetVariances(matrix);