[Qgis-developer] slow reading shp

Marco Hugentobler marco at hugis.net
Tue Oct 20 09:56:44 EDT 2009


But it can be quite different depending on the rendering settings (anti-
aliasing, qpixmap or qimage) and the geometry type. E.g. the Qt raster paint 
engine is not so fast with large polygons. I think the pure shp size is not 
the only factor.

> It would be
> good if we could keep a test large shp for benchmark.

+1

Marco

Am Dienstag, 20. Oktober 2009 15.47:20 schrieb Paolo Cavallini:
> On Tue, 20 Oct 2009 15:13:45 +0200, Marco Hugentobler <marco at hugis.net>
>
> wrote:
> > Hi Paolo
> >
> > I reveive only empty feature collections from
> > http://wms.pcn.minambiente.it/cgi-
> > bin/mapserv.exe?map=/ms_ogc/wfs/comuni_wfs.map
>
> Anyway, it was just an example - it happens with any large shp. It would be
> good if we could keep a test large shp for benchmark.
> All the best.

-- 
Dr. Marco Hugentobler
HUGIS - GIS programming and consulting
Webereistrasse 66
CH-8134 Adliswil
marco at hugis.net
http://homepage.hispeed.ch/hugis


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