Example to illustrate the background estimator (class TSpectrum).
void Background_decr() {
const Int_t nbins = 1024;
back->
SetTitle(
"Estimation of background with decreasing window");
for (i = 0; i < nbins; i++) source[i]=back->
GetBinContent(i + 1);
}
virtual void SetRange(Int_t first=0, Int_t last=0)
Set the viewing range for the axis using bin numbers.
A ROOT file is a suite of consecutive data records (TKey instances) with a well defined format.
1-D histogram with a float per channel (see TH1 documentation)}
virtual void SetTitle(const char *title)
See GetStatOverflows for more information.
TAxis * GetXaxis()
Get the behaviour adopted by the object about the statoverflows. See EStatOverflows for more informat...
virtual void SetBinContent(Int_t bin, Double_t content)
Set bin content see convention for numbering bins in TH1::GetBin In case the bin number is greater th...
virtual void Draw(Option_t *option="")
Draw this histogram with options.
virtual Double_t GetBinContent(Int_t bin) const
Return content of bin number bin.
Advanced Spectra Processing.
virtual TH1 * Background(const TH1 *hist, Int_t niter=20, Option_t *option="")
One-dimensional background estimation function.
- Authors
- Miroslav Morhac, Olivier Couet
Definition in file Background_decr.C.