Bug fix

[u/mrichter/AliRoot.git] / STEER / AliTracker.h

diff --git a/STEER/AliTracker.h b/STEER/AliTracker.h
index 0f13835f1970104145d7fc53c20cbd2a0a965d49..0b5fbdf8cd6c99de60f56cfc1f4b29015ee81da8 100644 (file)
--- a/STEER/AliTracker.h
+++ b/STEER/AliTracker.h
@@ -3,30 +3,76 @@
 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
  * See cxx source for full Copyright notice                               */
 
+/* $Id$ */
+
 //-------------------------------------------------------------------------
 //                          class AliTracker
-//
+//   that is the base for AliTPCtracker, AliITStrackerV2 and AliTRDtracker
 //       Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch 
 //-------------------------------------------------------------------------
-#include <Rtypes.h>
+#include <TObject.h>
 
-class AliKalmanTrack;
+class AliMagF;
 class AliCluster;
-class TFile;
+class TTree;
+class AliKalmanTrack;
+class AliESD;
+class AliTrackPoint;
 
-class AliTracker {
+class AliTracker : public TObject {
 public:
-  AliTracker(){}
+  AliTracker();
   virtual ~AliTracker(){}
-  virtual Int_t Clusters2Tracks(const TFile *in, TFile *out)=0;
-  virtual Int_t PropagateBack(const TFile *in, TFile *out)=0;
+  virtual Int_t Clusters2Tracks(AliESD *event)=0;
+  virtual Int_t PropagateBack(AliESD *event)=0;
+  virtual Int_t RefitInward(AliESD *event)=0;
+  void SetVertex(const Double_t *xyz, const Double_t *ers=0) { 
+     fX=xyz[0]; fY=xyz[1]; fZ=xyz[2];
+     if (ers) { fSigmaX=ers[0]; fSigmaY=ers[1]; fSigmaZ=ers[2]; } 
+  }
 
 //protected:
+  virtual Int_t LoadClusters(TTree *)=0;
+  virtual void UnloadClusters()=0;
   virtual AliCluster *GetCluster(Int_t index) const=0;
+  virtual Bool_t GetTrackPoint(Int_t /* index */ , AliTrackPoint& /* p */) const { return kFALSE;}
   virtual void  UseClusters(const AliKalmanTrack *t, Int_t from=0) const;
   virtual void  CookLabel(AliKalmanTrack *t,Float_t wrong) const; 
+  Double_t GetX() const {return fX;}
+  Double_t GetY() const {return fY;}
+  Double_t GetZ() const {return fZ;}
+  Double_t GetSigmaX() const {return fSigmaX;}
+  Double_t GetSigmaY() const {return fSigmaY;}
+  Double_t GetSigmaZ() const {return fSigmaZ;}
+
+  static void SetFieldMap(const AliMagF* map, Bool_t uni);
+  static const AliMagF *GetFieldMap() {return fgkFieldMap;}
+  static Double_t GetBz(Float_t *r); 
+  static Double_t GetBz(Double_t *r) {
+    Float_t rr[]={r[0],r[1],r[2]};
+    return GetBz(rr);
+  }
+  static Double_t GetBz() {return fgBz;}
+  static Bool_t UniformField() {return fgUniformField;}
+
+protected:
+  AliTracker(const AliTracker &atr);
+private:
+  AliTracker & operator=(const AliTracker & atr);
+
+  static Bool_t fgUniformField;       // uniform field flag
+  static const AliMagF *fgkFieldMap;  // field map
+  static Double_t fgBz;               // Nominal Bz (kG)
+
+  Double_t fX;  //X-coordinate of the primary vertex
+  Double_t fY;  //Y-coordinate of the primary vertex
+  Double_t fZ;  //Z-coordinate of the primary vertex
+ 
+  Double_t fSigmaX; // error of the primary vertex position in X
+  Double_t fSigmaY; // error of the primary vertex position in Y
+  Double_t fSigmaZ; // error of the primary vertex position in Z
 
-  ClassDef(AliTracker,1) //abstract tracker
+  ClassDef(AliTracker,3) //abstract tracker
 };
 
 #endif