[Qgis-developer] QGIS 2.5 vs 2.4 rendering mode

[PIERRE Sylvain]

I’ve tested with QGIS-OSGeo4W-2.5.0-39-Setup-x86.exe<http://qgis.org/downloads/weekly/QGIS-OSGeo4W-2.5.0-39-Setup-x86.exe> and QGIS-OSGeo4W-2.5.0-38-Setup-x86.exe<http://qgis.org/downloads/weekly/QGIS-OSGeo4W-2.5.0-38-Setup-x86.exe>
I got same results with both ☹

De : A Huarte [mailto:ahuarte47 at yahoo.es]
Envoyé : lundi 29 septembre 2014 18:12
À : PIERRE Sylvain; Nathan Woodrow
Cc : qgis-developer at lists.osgeo.org
Objet : Re: [Qgis-developer] QGIS 2.5 vs 2.4 rendering mode

Hi, there is a small change in simplification code to fix the bug #10767 (http://hub.qgis.org/issues/10767):

https://github.com/qgis/QGIS/commit/eaacb125c402cf22dd66482b313bdaef73791fea

Can you test QGIS before this commit ?

Best regards
Alvaro

________________________________
De: PIERRE Sylvain <sylvain.pierre at cg67.fr<mailto:sylvain.pierre at cg67.fr>>
Para: Nathan Woodrow <madmanwoo at gmail.com<mailto:madmanwoo at gmail.com>>
CC: "qgis-developer at lists.osgeo.org<mailto:qgis-developer at lists.osgeo.org>" <qgis-developer at lists.osgeo.org<mailto:qgis-developer at lists.osgeo.org>>
Enviado: Lunes 29 de septiembre de 2014 15:12
Asunto: Re: [Qgis-developer] QGIS 2.5 vs 2.4 rendering mode

See attached screen shots. It takes 15 seconds to render all the area.
With 2.2 or 2.4 release there’s no step like this during rendering an it takes 5 seconds for same area / same data…

De : Nathan Woodrow [mailto:madmanwoo at gmail.com]
Envoyé : lundi 29 septembre 2014 13:06
À : PIERRE Sylvain
Cc : qgis-developer at lists.osgeo.org<mailto:qgis-developer at lists.osgeo.org>
Objet : Re: [Qgis-developer] QGIS 2.5 vs 2.4 rendering mode

Hey,

I'm not sure I follow.  Could you post a screen shot.

- Nathan

On Mon, Sep 29, 2014 at 9:02 PM, PIERRE Sylvain <sylvain.pierre at cg67.fr<mailto:sylvain.pierre at cg67.fr>> wrote:
Hi,

Doing some test on 2.5.
I’m a little bit surprised by rendering mode between 2.5 and 2.4. Is there any change?
First QGIS 2.5 is slower than 2.4 with same data. And rendering mode looks  like an impressionist  painter drawing randomly small area on canvas for vector and draw pixels for raster, both before full rendering  correctly done…

Os is Win7


Sylvain

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