| 1 | //////////////////////////////////////////////////////////////
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| 2 | // Functions for FPulsetemplate to calculate
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| 3 | // values for slices of TH2 histograms
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| 4 | //////////////////////////////////////////////////////////////
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| 5 |
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| 6 | #include "slicecalculation.h"
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| 7 | #include <TROOT.h>
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| 8 | #include <TH1F.h>
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| 9 | #include <TH2F.h>
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| 10 | #include <TMath.h>
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| 11 |
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| 12 | //compute the median for 1-d histogram h1
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| 13 | Double_t
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| 14 | MedianOfH1(
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| 15 | TH1* h1,
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| 16 | int verbosityLevel
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| 17 | )
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| 18 | {
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| 19 | if (verbosityLevel > 4) cout << endl
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| 20 | << "...calculating median of given TH1"
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| 21 | << endl;
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| 22 | Int_t nbins = h1->GetXaxis()->GetNbins();
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| 23 | Double_t *x = new Double_t[nbins];
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| 24 | Double_t *y = new Double_t[nbins];
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| 25 |
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| 26 | for (Int_t i=0;i<nbins;i++)
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| 27 | {
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| 28 | x[i] = h1->GetXaxis()->GetBinCenter(i+1);
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| 29 | y[i] = h1->GetBinContent(i+1);
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| 30 | }
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| 31 | Double_t median = TMath::Median(nbins,x,y);
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| 32 |
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| 33 | delete [] x;
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| 34 | delete [] y;
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| 35 |
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| 36 | if (verbosityLevel > 4) cout << "...done" << endl;
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| 37 | return median;
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| 38 | }
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| 39 |
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| 40 | //compute the median for each slice of a given TH2 histogram
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| 41 | void
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| 42 | PlotMedianEachSliceOfPulse(
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| 43 | TH2* phInputHistogram,
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| 44 | TH1* phOutputHistogram,
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| 45 | int fitdata,
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| 46 | int verbosityLevel
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| 47 | )
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| 48 | {
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| 49 | if (verbosityLevel > 2) cout << endl
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| 50 | << "...calculating pulse shape of slice's Median"
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| 51 | << endl;
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| 52 |
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| 53 | Int_t nbins = phInputHistogram->GetXaxis()->GetNbins();
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| 54 |
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| 55 | for (Int_t TimeSlice=1;TimeSlice<=nbins;TimeSlice++)
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| 56 | {
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| 57 | TH1 *hProjection = phInputHistogram->ProjectionY("",TimeSlice,TimeSlice);
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| 58 | double median = MedianOfH1(hProjection);
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| 59 |
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| 60 | if (verbosityLevel > 4)
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| 61 | printf("Median of Slice %d, Median=%g\n",TimeSlice,median);
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| 62 |
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| 63 | delete hProjection;
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| 64 |
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| 65 | phOutputHistogram->SetBinContent(TimeSlice, median );
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| 66 | // hAllPixelMedian[pulse_order]->SetBinContent(TimeSlice, median );
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| 67 | }
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| 68 |
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| 69 | if (verbosityLevel > 2) cout << "\t...done" << endl;
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| 70 |
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| 71 | if (fitdata)
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| 72 | {
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| 73 | FitMaxPropabilityPuls(
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| 74 | phOutputHistogram,
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| 75 | verbosityLevel
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| 76 | );
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| 77 | }
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| 78 | }
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| 79 |
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| 80 | //compute the mean for each slice of a given TH2 histogram
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| 81 | void
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| 82 | PlotMeanEachSliceOfPulse(
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| 83 | TH2* phInputHistogram,
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| 84 | TH1* phOutputHistogram,
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| 85 | int fitdata,
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| 86 | int verbosityLevel
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| 87 | )
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| 88 | {
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| 89 | if (verbosityLevel > 2) cout << endl
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| 90 | << "...calculating pulse shape of slice's mean"
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| 91 | << endl;
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| 92 |
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| 93 | Int_t nbins = phInputHistogram->GetXaxis()->GetNbins();
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| 94 |
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| 95 | for (Int_t TimeSlice=1;TimeSlice<=nbins;TimeSlice++)
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| 96 | {
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| 97 | TH1 *hProjection = phInputHistogram->ProjectionY("",TimeSlice,TimeSlice);
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| 98 | double mean = hProjection->GetMean();
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| 99 |
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| 100 | if (verbosityLevel > 4)
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| 101 | printf("Mean of Slice %d, mean=%g\n",TimeSlice,median);
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| 102 |
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| 103 | delete hProjection;
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| 104 |
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| 105 | phOutputHistogram->SetBinContent(TimeSlice, mean );
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| 106 | // hAllPixelMean[pulse_order]->SetBinContent(TimeSlice, mean );
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| 107 | }
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| 108 |
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| 109 | if (verbosityLevel > 2) cout << "\t...done" << endl;
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| 110 |
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| 111 | if (fitdata)
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| 112 | {
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| 113 | FitMaxPropabilityPuls(
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| 114 | phOutputHistogram,
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| 115 | verbosityLevel
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| 116 | );
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| 117 | }
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| 118 | }
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| 119 |
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| 120 | //fit a function to the given histogram
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| 121 | void
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| 122 | FitMaxPropabilityPuls(
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| 123 | TH1* phInputHistogram,
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| 124 | float left_border,
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| 125 | float right_border,
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| 126 | int verbosityLevel
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| 127 | )
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| 128 | {
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| 129 | if (verbosityLevel > 2) cout << "...fit Landau in histograms" ;
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| 130 | if (verbosityLevel > 2) cout << "\t...calculating Landaufit" ;
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| 131 | phInputHistogram->Fit("landau", "", "", left_border, right_border);
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| 132 | if (verbosityLevel > 2) cout << "...done" << endl;
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| 133 | }
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