[Qgis-developer] master slow reading rasters?

Luca Lanteri mescal72 at gmail.com
Sat Mar 22 05:59:16 PDT 2014


I had the same problem on a old version od qgis using large  raster with
rotation parameter into the tfw file.  May be the same issue?
Il 21/mar/2014 09:30 "Paolo Cavallini" <cavallini at faunalia.it> ha scritto:

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> Il 20/03/2014 18:28, Giovanni Manghi ha scritto:
>
> >> yes, apparently it depends on the size of the raster (I'm trying with
> pretty large ones)
> >
> > how much large? I'm testing with 9gb rasters and it is lighting fast
> > (just fast wothout overviews).
>
> <3Gb
> Perhaps this has something to do with colour table?
>
> - --
> Paolo Cavallini - www.faunalia.eu
> Corsi QGIS e PostGIS: http://www.faunalia.eu/training.html
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