Re: size limitation when drawing an histo 3D ?

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri Feb 18 2000 - 13:52:15 MET

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In reply to: Vincent Colin de Verdiere: "size limitation when drawing an histo 3D ?"
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Hi Vincent,
Default paint option for TH3 is scatter plot. If you have 10**8
points, this will be impossible. Use option "box" instead.

Rene Brun

On Fri, 18 Feb 2000, Vincent Colin de Verdiere wrote:

> hi,
> 
> I wonder how the drawing of 3d histo is done and more precisely what
> amount of memory is required.
> I have a large TH3F h (SumOfWeights=1e+08, Nbins= 100x100x10) and when I
> run the Draw() method it answers...
> root [26] h->Draw()
> <TCanvas::MakeDefCanvas>: created default TCanvas with name c1
> Fatal in <operator new>: storage exhausted
> aborting
> Abort
> %
> 
> -- Vincent
> 
> Vincent Colin de Verdiere (vincent.colin.de.verdiere@cern.ch)
> at work: CERN, division EP, Office 13-1-038, CH - 1211 Geneva 23
>         tel: (+41) 22 76 72839, fax: (+41) 22 767 9075
> 
> 
>

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