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DeconvolutionRL_wide.C File Reference

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Example to illustrate deconvolution function (class TSpectrum).

void DeconvolutionRL_wide() {
Int_t i;
const Int_t nbins = 256;
Double_t xmax = nbins;
Double_t source[nbins];
Double_t response[nbins];
gROOT->ForceStyle();
TString dir = gROOT->GetTutorialDir();
TString file = dir+"/spectrum/TSpectrum.root";
TFile *f = new TFile(file.Data());
TH1F* h = (TH1F*) f->Get("decon3");
h->SetTitle("Deconvolution of closely positioned overlapping peaks using Richardson-Lucy deconvolution method");
TH1F* d = (TH1F*) f->Get("decon_response_wide");
for (i = 0; i < nbins; i++) source[i]=h->GetBinContent(i + 1);
for (i = 0; i < nbins; i++) response[i]=d->GetBinContent(i + 1);
h->SetMaximum(30000);
h->Draw("L");
TSpectrum *s = new TSpectrum();
s->DeconvolutionRL(source,response,256,10000,1,1);
for (i = 0; i < nbins; i++) d->SetBinContent(i + 1,source[i]);
d->SetLineColor(kRed);
d->Draw("SAME L");
}
#define d(i)
Definition: RSha256.hxx:102
#define f(i)
Definition: RSha256.hxx:104
#define h(i)
Definition: RSha256.hxx:106
int Int_t
Definition: RtypesCore.h:45
double Double_t
Definition: RtypesCore.h:59
@ kRed
Definition: Rtypes.h:66
float xmin
Definition: THbookFile.cxx:95
float xmax
Definition: THbookFile.cxx:95
#define gROOT
Definition: TROOT.h:404
A ROOT file is a suite of consecutive data records (TKey instances) with a well defined format.
Definition: TFile.h:54
1-D histogram with a float per channel (see TH1 documentation)}
Definition: TH1.h:574
Advanced Spectra Processing.
Definition: TSpectrum.h:18
Basic string class.
Definition: TString.h:136
static constexpr double s
Definition: file.py:1
Authors
Miroslav Morhac, Olivier Couet

Definition in file DeconvolutionRL_wide.C.