floating point grass rasters and mapserver

[Paolo Cavallini]

This is a known limitation for grass rasters. Not much to do, unless someone 
will write the relevant code for gdal.
pc

At 09:18, martedì 11 ottobre 2005, Andrea Antonello has probably written:
> Hi folks,
> I trying to visualize grass rasters with mapserver.
>
> What I get are nice maps, but those that are floating point and numbers >
> 255 are visualized in one single color, usually yellow, which probably only
> means that the image is rendered at low resolution level.
>
> I read the documentation about rasters more than once, but I seem to miss a
> point.
>
> I use png24.
>
> If I normalize the map (i.e. map*maxvalue/255), it shows up correctly, but
> I don't want to double the maps and also I want to see changes on the grass
> location.
>
> Any hint is appreciated.
>
> Best regards,
> Andrea

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Paolo Cavallini
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