[mapguide-users] raster ECW transparency

StuartSteel stuart.steel at atkinsglobal.com
Fri Jan 25 06:20:07 PST 2013

I haven't been able to get it to work either and have been scratching my head
about this for a while now. Can somebody please give us a definitive answer
on whether or not MapGuide 2.4 respects nodata bits in rasters provided via

PNGs are not an acceptable alternative to aerial imagery of several GB in


jerome.duckers wrote
> Hi,
> I have a problem with the transparency of my raster.
> I'm using Gdal 1.9 (Mapguide OS 2.4), Mapguide shows me the correct ECW
> but
> i have a white part, that i want to change to transparent.
> I have no idea, how to do it !
> Is it possible with Mapguide ?
> Below, you can find my raster LayerDefinition :
> Can you help me ?
> Thanks,
> duck.

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