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

Marco Hugentobler marco.hugentobler at sourcepole.ch
Sun Mar 4 14:56:46 EST 2012

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.


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
> --
> View this message in context: http://osgeo-org.1560.n6.nabble.com/geotiff-export-using-print-composer-tp4490408p4545605.html
> Sent from the Quantum GIS - Developer mailing list archive at Nabble.com.
> _______________________________________________
> Qgis-developer mailing list
> Qgis-developer at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/qgis-developer

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

More information about the Qgis-developer mailing list