[Qgis-developer] Approximate reprojection for vectors

[Marco Hugentobler]

Hi Giovanni

> Martin I just found that you proposed a patch to allow speed up vector
> rendering
> 
> http://hub.qgis.org/issues/3200
> 
> maybe this can be tested again and added in time for 1.8?

Depends when the release should be.
Large modifications of the central core classes shouldn't be merged in short 
before a release. Better is to consider it short after a release.


Regards,
Marco

Am Mittwoch, 26. Oktober 2011, 00.45:03 schrieb Giovanni Manghi:
> Hi,
> 
> On Wed, 2011-10-05 at 13:57 +0300, Alexander Bruy wrote:
> > Hi,
> > 
> > 2011/10/4 Martin Dobias <wonder.sk at gmail.com>:
> > > In any case we should look into the performance in a more coordinated
> > > way: 1. choose a dataset for testing - ideally just 1-3 layers of real
> > > data with lots of features (e.g. 10000+) for each feature type -
> > > points, polylines, polygons. Any ideas for a free dataset?
> > 
> > We have large point shapefile with lots of features [0], also there is
> > a polygonal [1] and lines [2] layers
> > 
> > [0] http://gis-lab.info/data/gns/gns-shp-utf-rs.7z
> > [1] http://gis-lab.info/data/rusbounds-rosreestr/regions2010_wgs_shp.7z
> > [2] http://gis-lab.info/data/rusbounds-rosreestr/all_rubounds_wgs_shp.7z
> 
> Martin I just found that you proposed a patch to allow speed up vector
> rendering
> 
> http://hub.qgis.org/issues/3200
> 
> maybe this can be tested again and added in time for 1.8?
> 
> cheers
> 
> -- Giovanni --
> 
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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