AW: [Qgis-developer] [WebClient] rule-based style SLOW

[Ziegler Stefan]

Hi Bernard

Did you have a look at Firebug (or the Google Chrome equivalent) to see what exactly the client is requesting?

Regards
Stefan

> -----Ursprüngliche Nachricht-----
> Von: qgis-developer-bounces at lists.osgeo.org [mailto:qgis-developer-
> bounces at lists.osgeo.org] Im Auftrag von bernhard.stroebl at jena.de
> Gesendet: Donnerstag, 19. April 2012 15:26
> An: Martin Dobias
> Cc: Qgis-developer at lists.osgeo.org
> Betreff: Re: [Qgis-developer] [WebClient] rule-based style SLOW
> 
> Hi Martin,
> 
> thank you for the reply
> 
> Am 19.04.2012 14:36, schrieb Martin Dobias:
> > On Thu, Apr 19, 2012 at 12:00 PM,<bernhard.stroebl at jena.de>  wrote:
> >> Hi,
> >>
> >> I realized that using a rule-based style makes the client dead slow.
> >> Normally the log shows a timeout on the server for qgis_mapserv.fcgi.
> >> If I put the rules into the data source (postgres) and use a
> >> categorized style the client performs as expected. The slowliness can
> >> only be experienced when zooming or panning.
> >>
> >> I prepared an example (will be probably removed in a couple weeks):
> >> http://map2.jena.de/kartenportal/test?format=image/png&visibleLayers=
> >> Stadtplan&lang=en
> >>
> >> after loading please activate one of the layers and zoom in on the
> >> colored area in the south rule-based style: loads forever (Navigation
> >> history brings you back) categorized style: loads ok
> >
> > Is it slow also in QGIS desktop app or is it something specific to the
> > QGIS server?
> 
> desktop is fast
> and so is QGIS server; compare
> http://map2.jena.de/wms/test?LAYERS=Stadtplan%2Ccategorized%20style&FORMAT=i
> mage%2Fpng&DPI=96&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&
> EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A31468&BBOX=447065
> 4.5050516,5638947.4195052,4471988.6271692,5639432.5548208&WIDTH=1012&HEIGH
> T=368
> and
> http://map2.jena.de/wms/test?LAYERS=Stadtplan%2Crule-
> based%20style&FORMAT=image%2Fpng&DPI=96&SERVICE=WMS&VERSION=1.1.1&RE
> QUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPS
> G%3A31468&BBOX=4470654.5050516,5638947.4195052,4471988.6271692,5639432.55
> 48208&WIDTH=1012&HEIGHT=368
> 
> both are reasonably fast
> 
> >
> >> if I enter the WMS request directly both layers load reasonably fast!?
> >
> > Then it is probably not a QGIS issue at all...?
> 
> I have no idea where the problem comes from because on my PC (running OpenSUSE
> 11.4) both layers are fast in QGIS WebClient
> 
> >
> > In any case, sharing the project would help - to look for any anomalies.
> 
> what would you need? project and a dbdump? If you are willing to look into this I would
> send it to you with a PM.
> >
> > Martin
> 
> 
> Bernhard
> 
> 
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