Re: [ROOT] Plotting of 2d Profiles

From: Rene Brun (Rene.Brun@cern.ch)
Date: Tue Jan 30 2001 - 08:23:05 MET

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In reply to: Gernot Maier: "[ROOT] Plotting of 2d Profiles"
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Hi Gernot,

I do not see a problem with TProfile2D::SetMaximum.
Could you run the following test ?
{
   TProfile2D *p2d = new TProfile2D("p2d","test max",40,-4,4,40,-4,4);
   for (Int_t i=0;i<10000;i++) {
      Double_t x = gRandom->Gaus(0,1);
      Double_t y = gRandom->Gaus(0,1);
      Double_t z = x*x+y*y;
      p2d->Fill(x,y,z);
   }
   p2d->SetMaximum(30);
   p2d->Draw("lego");
}

I am running with version 3 but there are no changes in this area
since version 2.25

Rene Brun

Gernot Maier wrote:
> 
> Hello,
> 
> I've got some problems plotting a 2D Profile histogram. I set a maximum
> with p2d->SetMaximum, but this is ignored while plotting with the "lego"
> or "surf" option, with other draw option, e.g. "colz" or "box" it works.
> What's my fault?
> 
> I'm using Root 2.25/03 on Alpha OSF.
> 
> Thanks a lot
> 
> Gernot
> 
> --
> Gernot Maier                    KASCADE Collaboration
> Institut fuer Kernphysik        Tel. +49 (0) 7247 82-4174
> Forschungszentrum Karlsruhe     maier@ik1.fzk.de

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