[mapserver-users] raster masks on mapserver

[Brent Fraser]

Andrew,

   How about using OFFSITE 255 255 255 in the LAYER object to make the 
white transparent?  This might not be a good solution if white is a 
naturally occurring data value in the raster ...

Best Regards,
Brent Fraser


On 6/26/2011 6:02 PM, AndrewFarrow wrote:
> Hi,
>
>     I would like to know if it is possible to use a shapefile mask over a
> raster? Currently I have 2 raster layers each with a different resolution.
> If I don't use a mask then where there is white tiles (nodata) will
> overwrite the layer beneath. I have a shape file that matches the white
> tiles so shouldn't be too hard to apply the mask, however for mapserver I
> cannot find this capability?
>
> Any help would be much appreciated.
>
> Kind Regards
>
> Andrew Farrow
>
>
>
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