Fixes for bug #52499: Field polarities inconsistiency

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

diff --git a/STEER/AliTracker.h b/STEER/AliTracker.h
index 0f13835f1970104145d7fc53c20cbd2a0a965d49..693f676aabde57b955fa20775d442819bbe4bba0 100644 (file)
--- a/STEER/AliTracker.h
+++ b/STEER/AliTracker.h
@@ -3,32 +3,112 @@
 /* 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>
 
-class AliKalmanTrack;
-class AliCluster;
-class TFile;
+#include <TGeoGlobalMagField.h>
+#include <TObject.h>
 
-class AliTracker {
+#include "AliMagF.h"
+#include "AliRecoParam.h"
+#include "AliPlaneEff.h"
+
+class TTree;
+class AliCluster;
+class AliESDEvent;
+class AliESDtrack;
+class AliExternalTrackParam;
+class AliTrackPoint;
+class AliKalmanTrack;
+class AliEventInfo;
+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(AliESDEvent *event)=0;
+  virtual Int_t PropagateBack(AliESDEvent *event)=0;
+  virtual Int_t RefitInward(AliESDEvent *event)=0;
+  virtual Int_t PostProcess(AliESDEvent */*event*/) {return 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 void FillClusterArray(TObjArray* array) const;
   virtual AliCluster *GetCluster(Int_t index) const=0;
+  virtual AliPlaneEff *GetPlaneEff() {return NULL;}
+  virtual Bool_t GetTrackPoint(Int_t /* index */ , AliTrackPoint& /* p */) const { return kFALSE;}
+  virtual Bool_t GetTrackPointTrackingError(Int_t /* index */, 
+          AliTrackPoint& /* p */, const AliESDtrack* /* t */) { 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;}
 
-  ClassDef(AliTracker,1) //abstract tracker
-};
+  static 
+  Double_t MeanMaterialBudget(const Double_t *start, const Double_t *end, Double_t *mparam);
+  static
+  Bool_t PropagateTrackTo(AliExternalTrackParam *track, Double_t x, Double_t m,
+                         Double_t maxStep, Bool_t rotateTo=kTRUE, Double_t maxSnp=0.8, Double_t sign=1.);  
+  static Bool_t PropagateTrackToBxByBz(AliExternalTrackParam *track, Double_t x, 
+         Double_t m,
+                               Double_t maxStep, Bool_t rotateTo=kTRUE, Double_t maxSnp=0.8,Double_t sign=1.);  
+  //
+  static Double_t GetBz(const Double_t *r);
+  static void GetBxByBz(const Double_t r[3], Double_t b[3]);
+  static Double_t GetBz();
+  static Bool_t   UniformField();
+  //
+  static void FillResiduals(const AliExternalTrackParam *t,
+                          Double_t *p, Double_t *cov, 
+                           UShort_t id, Bool_t updated=kTRUE);
+  static void FillResiduals(const AliExternalTrackParam *t,
+                            const AliCluster *c, Bool_t updated=kTRUE);
+  static void SetFillResiduals(AliRecoParam::EventSpecie_t es, Bool_t flag=kTRUE) { fFillResiduals=flag; fEventSpecie = es ;}
+  static void SetResidualsArray(TObjArray **arr) { fResiduals=arr; }
+  static TObjArray ** GetResidualsArray() { return fResiduals; }
 
-#endif
+  void                SetEventInfo(AliEventInfo *evInfo) {fEventInfo = evInfo;}
+  const AliEventInfo* GetEventInfo() const {return fEventInfo;}
+
+protected:
+  AliTracker(const AliTracker &atr);
+private:
+  AliTracker & operator=(const AliTracker & atr);
+  static Bool_t fFillResiduals;       // Fill residuals flag
+  static TObjArray **fResiduals;    //! Array of histograms with residuals
 
+  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
+  
+  static AliRecoParam::EventSpecie_t fEventSpecie ; //! event specie, see AliRecoParam
+  AliEventInfo*                      fEventInfo;    //! pointer to the event info object
+  
+  ClassDef(AliTracker,5) //abstract tracker
+};
+
+//__________________________________________________________________________
+inline Bool_t AliTracker::UniformField()
+{
+  AliMagF* fld = (AliMagF*)TGeoGlobalMagField::Instance()->GetField();
+  return fld ? fld->IsUniform():kTRUE;
+}
 
+#endif