HLT/hough/AliL3HoughTransformer.h

   1 // @(#) $Id$
   2
   3 #ifndef ALIL3HOUGHTRANSFORMER_H
   4 #define ALIL3HOUGHTRANSFORMER_H
   5
   6 //-------------------------------------------------------------------------
   7 //                Class AliL3HoughTransformer
   8 //   This is one of the possible implementations of the Hough Transform
   9 //   TPC tracking algorithms for HLT.
  10 //-------------------------------------------------------------------------
  11
  12 #include "AliL3RootTypes.h"
  13 #include "AliL3HoughBaseTransformer.h"
  14
  15 class AliL3Histogram;
  16
  17 class AliL3HoughTransformer : public AliL3HoughBaseTransformer {
  18
  19  public:
  20   AliL3HoughTransformer();
  21   AliL3HoughTransformer(Int_t slice,Int_t patch,Int_t netasegments,Bool_t DoEtaOverlap=kFALSE,Bool_t DoMC=kFALSE);
  22   virtual ~AliL3HoughTransformer();
  23
  24   void CreateHistograms(Float_t ptmin,Float_t ptmax,Float_t ptres,Int_t nybin,Float_t psi);
  25   void CreateHistograms(Int_t nxbin,Float_t ptmin,Int_t nybin,Float_t phimin,Float_t phimax);
  26   void CreateHistograms(Int_t nxbin,Float_t xmin,Float_t xmax,
  27                         Int_t nybin,Float_t ymin,Float_t ymax);
  28   void Reset();
  29   void TransformCircle();
  30   void TransformCircle(Int_t *rowrange,Int_t every) {
  31     AliL3HoughBaseTransformer:: TransformCircle(rowrange,every);
  32   }
  33   void TransformCircleC(Int_t *rowrange,Int_t every=1);
  34   void TransformLine(Int_t *rowrange=0,Float_t *phirange=0);
  35   void TransformLineC(Int_t *rowrange,Float_t *phirange);
  36
  37   Int_t GetEtaIndex(Double_t eta) const;
  38   void GetEtaIndexes(Double_t eta,Int_t *indexes) const;
  39   AliL3Histogram *GetHistogram(Int_t etaindex);
  40   Double_t GetEta(Int_t etaindex,Int_t slice) const;
  41   Int_t GetTrackID(Int_t etaindex,Double_t kappa,Double_t psi) const;
  42
  43  private:
  44
  45   AliL3Histogram **fParamSpace; //!
  46 #ifdef do_mc
  47   AliL3TrackIndex **fTrackID; //!
  48 #endif
  49   Bool_t fDoMC; // Calculate mc labels or not
  50   Bool_t fEtaOverlap; // Allow overlapping of eta slice or not
  51
  52   void DeleteHistograms();
  53
  54   ClassDef(AliL3HoughTransformer,1) //Normal Hough transformation class
  55
  56 };
  57
  58 #endif
  59
  60
  61
  62