3 #ifndef ALIL3HOUGHTRANSFORMER_H
4 #define ALIL3HOUGHTRANSFORMER_H
6 //-------------------------------------------------------------------------
7 // Class AliL3HoughTransformer
8 // This is one of the possible implementations of the Hough Transform
9 // TPC tracking algorithms for HLT.
10 //-------------------------------------------------------------------------
12 #include "AliL3RootTypes.h"
13 #include "AliL3HoughBaseTransformer.h"
17 class AliL3HoughTransformer : public AliL3HoughBaseTransformer {
20 AliL3HoughTransformer();
21 AliL3HoughTransformer(Int_t slice,Int_t patch,Int_t netasegments,Bool_t DoEtaOverlap=kFALSE,Bool_t DoMC=kFALSE);
22 virtual ~AliL3HoughTransformer();
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);
29 void TransformCircle();
30 void TransformCircleC(Int_t *rowrange,Int_t every=1);
31 void TransformLine(Int_t *rowrange=0,Float_t *phirange=0);
32 void TransformLineC(Int_t *rowrange,Float_t *phirange);
34 Int_t GetEtaIndex(Double_t eta) const;
35 void GetEtaIndexes(Double_t eta,Int_t *indexes) const;
36 AliL3Histogram *GetHistogram(Int_t etaindex);
37 Double_t GetEta(Int_t etaindex,Int_t slice) const;
38 Int_t GetTrackID(Int_t etaindex,Double_t kappa,Double_t psi) const;
42 AliL3Histogram **fParamSpace; //!
44 AliL3TrackIndex **fTrackID; //!
46 Bool_t fDoMC; // Calculate mc labels or not
47 Bool_t fEtaOverlap; // Allow overlapping of eta slice or not
49 void DeleteHistograms();
51 ClassDef(AliL3HoughTransformer,1) //Normal Hough transformation class