HLT/hough/AliL3HoughMaxFinder.h

   1 #ifndef ALIL3_HOUGH_MaxFinder
   2 #define ALIL3_HOUGH_MaxFinder
   3
   4 #include "AliL3RootTypes.h"
   5
   6 class AliL3Histogram;
   7 class AliL3TrackArray;
   8 class AliL3HoughTrack;
   9
  10 struct AxisWindow
  11 {
  12   Int_t ymin;
  13   Int_t ymax;
  14   Int_t xbin;
  15   Int_t weight;
  16 };
  17
  18 class AliL3HoughMaxFinder {
  19
  20  private:
  21
  22   Int_t fThreshold;
  23   AliL3Histogram *fCurrentHisto;  //!
  24
  25   Char_t fHistoType;
  26
  27  public:
  28   AliL3HoughMaxFinder();
  29   AliL3HoughMaxFinder(Char_t *histotype,AliL3Histogram *hist=0);
  30   virtual ~AliL3HoughMaxFinder();
  31
  32   void FindAbsMaxima(Int_t &max_xbin,Int_t &max_ybin);
  33   AliL3TrackArray *FindBigMaxima(AliL3Histogram *hist);
  34   AliL3TrackArray *FindMaxima(AliL3Histogram *hist,Int_t *rowrange=0,Int_t ref_row=0);
  35   AliL3TrackArray *LookForPeaks(AliL3Histogram *hist,Int_t nbins);
  36
  37   void FindPeak(Int_t t1,Double_t t2,Int_t t3,Float_t &kappa,Float_t &phi0);
  38   AliL3HoughTrack *FindPeakLine(Double_t rho,Double_t theta);
  39   AliL3HoughTrack *CalculatePeakInWindow(Int_t *maxbin,Int_t t0,Int_t t1,Double_t t2,Int_t t3);
  40   void FindPeak1(Float_t *xpeaks,Float_t *ypeaks,Int_t *weight,Int_t &n,Int_t y_window=2,Int_t x_bin_sides=1);
  41   void SortPeaks(struct AxisWindow **a,Int_t first,Int_t last);
  42   Int_t PeakCompare(struct AxisWindow *a,struct AxisWindow *b);
  43
  44   void SetThreshold(Int_t f) {fThreshold = f;}
  45
  46   void SetHistogram(AliL3Histogram *hist) {fCurrentHisto = hist;}
  47
  48   ClassDef(AliL3HoughMaxFinder,1) //Maximum finder class
  49
  50 };
  51
  52 #endif