Re: problems creating gifs in a macro

From: Rene Brun (Rene.Brun@cern.ch)
Date: Thu Jul 01 1999 - 23:02:47 MEST


Hi Judith,
Just before canvas.SaveAs
add the following line
canvas.Update();

This should in principle be done automatically by SaveAs.
I will add the feature.

Rene Brun

On Thu, 1 Jul 1999, Judith Katzy wrote:

> 
> 
> hi rooters,
> 
> I tried to save histograms as .gifs. If I run the following macro, 
> the test.gif file is created, but empty:
> 
> {
> TCanvas canvas("test","test",10,10,600,700);
> TH1F hh("histogram","histogram",100,0.,99.);
> hh.Draw();
> canvas.SaveAs("test.gif");
> }
> 
> if I execute 'canvas.SaveAs("test.gif");' directly from the cint command 
> line it does work without problems.
> 
> I'm working with root version  2.21/08 on RedHat Linux 5.2 .
> 
> thanks for help,
> Judith
> 



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