[Qgis-developer] Re: geotiff export using print composer

[Marco Hugentobler]

Hi Stefan

I suppose it is a memory problem. Could you try on a Linux machine with 
4GB? The windows binaries are normally 32bit, so afaik the memory 
limited to 2GB.

Regards,
Marco

On 04.03.2012 19:37, SBL wrote:
> Hi
>
> One more question:
> The script fails to export larger images (round about 12,000 x 30,000).
> Either the image.save() function returns "False" or the written image is
> empty.
> I read, that QImage() has a sizelimitation of 32,768 x 32,768 pixel. But
> this should not be the problem here, right?
> Are there limitation for the QgsMapRenderer? Or is this a memory issue?
> I tested on a laptop computer with 1GB RAM (with Ubuntu 11.04) and a Windows
> machine with 4 GB RAM. Both with the result desrcribed above...
>
> Any ideas?
>
> Thanks for helping.
>
> Cheers
> Stefan
>
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-- 
Dr. Marco Hugentobler
Sourcepole -  Linux&  Open Source Solutions
Churerstrasse 22, CH-8808 Pfäffikon SZ, Switzerland
marco.hugentobler at sourcepole.ch http://www.sourcepole.ch
Technical Advisor QGIS Project Steering Committee