Fix for true centrality estimator with hijing npart (Alberica)

[u/mrichter/AliRoot.git] / TRD / AliTRDtrackletMCM.h

diff --git a/TRD/AliTRDtrackletMCM.h b/TRD/AliTRDtrackletMCM.h
index 118ce76792e339cdc36f3e9a0d2f98d02221a5eb..324e7a2b05254272eea89726ffb3e098b4c2f288 100644 (file)
--- a/TRD/AliTRDtrackletMCM.h
+++ b/TRD/AliTRDtrackletMCM.h
@@ -25,27 +25,30 @@ class AliTRDtrackletMCM : public AliTRDtrackletBase {
   ~AliTRDtrackletMCM();
 
   // ----- Getters for contents of tracklet word -----
-  Int_t GetYbin() const; 
-  Int_t GetdY() const; 
+  Int_t GetYbin() const;
+  Int_t GetdY() const;
   Int_t GetZbin() const { return ((fTrackletWord >> 20) & 0xf); }
   Int_t GetPID() const { return ((fTrackletWord >> 24) & 0xff); }
 
   // ----- Getters for MCM-tracklet information -----
   Int_t GetMCM() const { return fMCM; }
   Int_t GetROB() const { return fROB; }
-  Int_t GetLabel() const { return fLabel; }
+  Int_t GetLabel() const { return fLabel[0]; }
+  Int_t GetLabel(const Int_t i) const { return fLabel[i]; }
+  Bool_t HasLabel(const Int_t label) const { return (fLabel[0] == label || fLabel[1] == label || fLabel[2] == label); }
 
   // ----- Getters for offline corresponding values -----
   Bool_t CookPID() { return kFALSE; }
-  Double_t GetPID(Int_t /* is */) const { return GetPID()/255.; }
+  Double_t GetPID(Int_t /* is */) const { return GetPID()/256.; }
   Int_t GetDetector() const { return fHCId / 2; }
   Int_t GetHCId() const { return fHCId; }
   Float_t GetdYdX() const { return (GetdY() * 140e-4 / 3.); }
   Float_t GetX() const { return fGeo->GetTime0((fHCId % 12) / 2); }
   Float_t GetY() const { return (GetYbin() * 160e-4); }
-  Float_t GetZ() const { return fGeo->GetPadPlane((fHCId % 12) / 2, (fHCId / 12) % 5)->GetRowPos( 4 * (fROB / 2) + fMCM / 4) - 
+  Float_t GetZ() const { return fGeo->GetPadPlane((fHCId % 12) / 2, (fHCId / 12) % 5)->GetRowPos( 4 * (fROB / 2) + fMCM / 4) -
       fGeo->GetPadPlane((fHCId % 12) / 2, (fHCId /12) % 5)->GetRowSize(4 * (fROB / 2) + fMCM / 4) * .5; }
-  Float_t GetLocalZ() const { return GetZ() - fGeo->GetPadPlane((fHCId % 12) / 2, (fHCId / 12) % 5)->GetRowPos(8); }
+  Float_t GetLocalZ() const { return GetZ() -
+      (fGeo->GetPadPlane((fHCId % 12) / 2, (fHCId / 12) % 5)->GetRow0()+fGeo->GetPadPlane((fHCId % 12) / 2, (fHCId / 12) % 5)->GetRowEnd())/2.; }
 
   Int_t GetQ0() const { return fQ0; }
   Int_t GetQ1() const { return fQ1; }
@@ -60,7 +63,7 @@ class AliTRDtrackletMCM : public AliTRDtrackletBase {
   void SetHCId(Int_t id) { fHCId = id; }
   void SetMCM(Int_t mcm) { fMCM = mcm; }
   void SetROB(Int_t rob) { fROB = rob; }
-  void SetLabel(Int_t label) { fLabel = label; }
+  void SetLabel(Int_t label[]);
   void SetQ0(Int_t charge) { fQ0 = charge; }
   void SetQ1(Int_t charge) { fQ1 = charge; }
   void SetNHits(Int_t nhits) { fNHits = nhits; }
@@ -83,7 +86,7 @@ class AliTRDtrackletMCM : public AliTRDtrackletBase {
   AliTRDgeometry *fGeo; //! TRD geometry
 
   Int_t fHCId;                  // half-chamber ID (only transient)
-  UInt_t fTrackletWord;                // tracklet word: PID | Z | deflection length | Y 
+  UInt_t fTrackletWord;                // tracklet word: PID | Z | deflection length | Y
                                //          bits:  12   4            7          13
   Int_t fMCM; // MCM no. in which the tracklet was found
   Int_t fROB; // ROB no. on which the tracklet was found
@@ -95,8 +98,8 @@ class AliTRDtrackletMCM : public AliTRDtrackletBase {
   Int_t fNHits0; // no. of contributing clusters in window 0
   Int_t fNHits1; // no. of contributing clusters in window 1
 
-  Int_t fLabel; // label for MC track
-  
+  Int_t fLabel[3]; // up to 3 labels for MC track
+
   Float_t  fSlope;           // tracklet slope
   Float_t  fOffset;          // tracklet offset
   Float_t  fError;            // tracklet error