Re: Histogram splitting and TSpectrum::Background

From: Marco Calviani <>
Date: Mon, 26 Jun 2006 14:10:22 +0200

Hi Rene,

> Anyhow, TSpectrum::Background evaluates the background only the defined
> range
> of the input histogram. Simply do
> h->GetXaxis()->SetRange(binmin,binmax);
> TSpectrum s;
> TH1 *hback = s.Background(h);

thanks for your help. But as of now the problem i'm facing is how to define that range automatically; this is because i have to analyze a lot of spectra of that type and everyone has different ranges of signals. Some spectra also have more that one gap, as the one i'm attaching (now i hope...)

best regards,

Received on Mon Jun 26 2006 - 14:10:29 MEST

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