[mapserver-users] Rewarping/Reprojection with GDAL and -wo EXTRA_SOURCE parameter

[Eichner, Andreas - SID-NLKM]

Looks like it has been found already 2 years ago, so you might hook onto this

https://github.com/mapserver/mapserver/issues/4035


> -----Ursprüngliche Nachricht-----
> Von: mapserver-users-bounces at lists.osgeo.org [mailto:mapserver-users-
> bounces at lists.osgeo.org] Im Auftrag von Eichner, Andreas - SID-NLKM
> Gesendet: Donnerstag, 19. Dezember 2013 14:16
> An: 'Heiko Schröter'; mapserver-users at lists.osgeo.org
> Betreff: Re: [mapserver-users] Rewarping/Reprojection with GDAL and -
> wo EXTRA_SOURCE parameter
> 
> 
> > Oh Andreas, blind me.
> > Copied it into the POSTGIS layer but not the LINE Layer.
> > Sorry for that.
> > It works now as described, panning and zooming is ok.
> >
> > Btw, where to send the bugreport ?
> 
> 
> No problem. I just found
> https://github.com/mapserver/mapserver/issues/4483 which is tagged
> with MapScript. But reading through the bug description it sound like
> it is strongly related to your case. Since your problem seems to
> start in msDrawVectorLayer() this turns into a more general problem.
> I'm currently wondering why msProjectRect() transforms your request
> BBOX (-6500000,-6500000,2500000,2500000) into
> (-179.464412, 0.002066, 178.470560, 66.995391) and returns
> MS_SUCCESS.
> 
> It seems to be a good idea to create a new issue at
> https://github.com/mapserver/mapserver/issues, tag it with "Bug",
> "Proj Support" and "MapServer C Library", reference the issue
> mentioned above and attach the map file, proj string and request that
> triggers the issue. You should also mention the found cause:
> msProjectRect() used by msDrawVectorLayer() doesn't create a proper
> query BBOX to fetch the features in such cases.
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