3 #ifndef ALIL3_HOUGH_MaxFinder
4 #define ALIL3_HOUGH_MaxFinder
6 #include "AliL3RootTypes.h"
10 class AliL3HoughTrack;
21 class AliL3HoughMaxFinder {
26 AliL3Histogram *fCurrentHisto; //!
37 TNtuple *fNtuppel; //!
41 AliL3HoughMaxFinder();
42 AliL3HoughMaxFinder(Char_t *histotype,Int_t nmax,AliL3Histogram *hist=0);
43 virtual ~AliL3HoughMaxFinder();
47 void WriteNtuppel(Char_t *filename);
49 //Simple maxima finders:
52 void FindMaxima(Double_t grad_x,Double_t grad_y);
54 //More sophisticated peak finders:
55 AliL3TrackArray *LookForPeaks(AliL3Histogram *hist,Int_t nbins);
56 void FindPeak(Int_t t1,Double_t t2,Int_t t3);
57 AliL3HoughTrack *FindPeakLine(Double_t rho,Double_t theta);
58 AliL3HoughTrack *CalculatePeakInWindow(Int_t *maxbin,Int_t t0,Int_t t1,Double_t t2,Int_t t3);
59 void FindPeak1(Int_t y_window=2,Int_t x_bin_sides=1);
60 void SortPeaks(struct AxisWindow **a,Int_t first,Int_t last);
61 Int_t PeakCompare(struct AxisWindow *a,struct AxisWindow *b);
64 void SetThreshold(Int_t f) {fThreshold = f;}
65 void SetHistogram(AliL3Histogram *hist) {fCurrentHisto = hist;}
68 Float_t GetXPeak(Int_t i);
69 Float_t GetYPeak(Int_t i);
70 Int_t GetWeight(Int_t i);
71 Int_t GetEntries() {return fNPeaks;}
73 ClassDef(AliL3HoughMaxFinder,1) //Maximum finder class
77 inline Float_t AliL3HoughMaxFinder::GetXPeak(Int_t i)
81 STDCERR<<"AliL3HoughMaxFinder::GetXPeak : Invalid index "<<i<<STDENDL;
87 inline Float_t AliL3HoughMaxFinder::GetYPeak(Int_t i)
91 STDCERR<<"AliL3HoughMaxFinder::GetYPeak : Invalid index "<<i<<STDENDL;
98 inline Int_t AliL3HoughMaxFinder::GetWeight(Int_t i)
102 STDCERR<<"AliL3HoughMaxFinder::GetWeight : Invalid index "<<i<<STDENDL;