[Qgis-user] Mapserv failing to load some images

Bernhard Ströbl bernhard.stroebl at jena.de
Fri Oct 11 03:04:15 PDT 2013


Hi,

try to use the same projection for
a) the project
b) the tiff file
c) QWC

Bernhard

Am 11.10.2013 11:50, schrieb Peter Smith:
> Hi all,
>
> I'm playing around with QGIS 2.0.1 on Centos 6.4. I've compiled it
> with ECW and mapserv support, and I'm using the web client to connect
> to mapserv.
>
> With some of my maps, the raster image layer fails to load - actually,
> mapserv returns a blank white image of the appropriate dimensions. The
> shape layers all load fine.
>
> The test maps supplied with QGIS both work fine, it's just *some* of
> the maps that I've created with my QGIS desktop client that are the
> problem. They all load fine in the desktop client.
>
> If I manually edit the XML of an affected .qgs project and change the
> datasource of a non-loading layer to that of an image from another
> project which does load, it works. So the problem seems to be purely
> in the image file, rather than in the XML.
>
> I've tried with both ECW and TIF formats, and I can't see any pattern
> as to why some load but others don't. There are no errors in the logs.
>
> I've also tried building QGIS 2.0.1 on Ubuntu Precise - exactly the
> same problems.
>
> Any thoughts please?
>
> Thanks,
> Peter Smith
>


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