Shouldn't the rendering speed of complex projects be improved with the
upcoming threading improvements of Martin? At least in the case where
are multiple layers in one redraw?
Andreas
On Wed, 09 Mar 2011 08:24:42 +0100, Paolo Cavallini wrote:
Il giorno mar, 08/03/2011 alle 19.16 +0100, Agustin Lobo ha scritto:
At least regarding the vector operations (ftools), it seems that the
slowness is because of python code. During
FOSS4G in Barcelona we raised the question of rewriting all that
part in c++
I think the main issue is with the rendering of large and complex
vectors. If one analysis is slow, people can live with, but if
loading,
panning and zooming their layers takes tens of seconds, QGIS is
simply
unusable for them.
I think this is a real stopper for wider adoption of QGIS in bigger
organization. Of course adding indices helps a lot, and there a re a
few
more tricks to speed things up, but it is still an issue.
A possible topic for the next QGIS meeting?
All the best.
--
--
Andreas Neumann
Böschacherstrasse 10A
8624 Grüt (Gossau ZH)
Switzerland
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