Re: [ROOT] changing color of a part of an histo?

From: Rene Brun (Rene.Brun@cern.ch)
Date: Tue Aug 07 2001 - 09:54:22 MEST

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Hi Ahmet,

A short example:

void h2() {
   TH1F *h1 = new TH1F("h1","original",100,-3,3);
   h1->FillRandom("gaus",5000);
   h1->Draw();
   TH1F *h2 = (TH1F*)h1->Clone();
   h2->GetXaxis()->SetRange(55,64);
   h2->SetFillColor(kRed);
   h2->Draw("same");
}

Rene Brun

Ahmet Sedat Ayan wrote:
> 
> Hi Rooters,
> Is there easy way of selecting a region and changing the Fill Atttributes
> of this region of an histogram?
> 
> thanx,
> ahmet
> 
> ***************
> 
> Ahmet Sedat Ayan
> 
> Physics & Astronomy Dept.
> Van Allen Hall
> University of Iowa
> Iowa City, IA, 52242
> 
> Voice      : (++ 1 319) 335-2832 (W) (GMT-6)
> Occupation : Ph.D Candidate (But still dreamer!)
> e-mail     : ayan@cms.physics.uiowa.edu
> web        : http://jazz.physics.uiowa.edu/~ayan

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