Loading [MathJax]/extensions/tex2jax.js
Logo ROOT  
Reference Guide
 
All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Modules Pages
Loading...
Searching...
No Matches
Deconvolution.C File Reference

Detailed Description

View in nbviewer Open in SWAN Example to illustrate deconvolution function (class TSpectrum).

void Deconvolution() {
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("decon1");
h->SetTitle("Deconvolution");
TH1F *d = (TH1F*) f->Get("decon_response");
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->Deconvolution(source,response,256,1000,1,1);
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
float xmax
#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:575
virtual void SetTitle(const char *title)
See GetStatOverflows for more information.
Definition TH1.cxx:6667
virtual Double_t GetBinContent(Int_t bin) const
Return content of bin number bin.
Definition TH1.cxx:4994
Advanced Spectra Processing.
Definition TSpectrum.h:18
const char * Deconvolution(Double_t *source, const Double_t *response, Int_t ssize, Int_t numberIterations, Int_t numberRepetitions, Double_t boost)
One-dimensional deconvolution function.
Basic string class.
Definition TString.h:136
Definition file.py:1
Authors
Miroslav Morhac, Olivier Couet

Definition in file Deconvolution.C.