[Mapserver-dev] COLOR_MATCH_THRESHOLD

[Dylan Keon]

Frank Warmerdam wrote:
> Well, we discussed adding a mechanism to force raster layers to use less
> colors here, and I have now implemented such a mechanism.   Currently it is
> implemented as the COLOR_MATCH_THESHOLD processing directive, such as shown
> here:
> 
> LAYER
>   NAME grey
>   TYPE raster
>   PROCESSING "COLOR_MATCH_THRESHOLD=3"
>   STATUS default
>   DATA data/grey.tif
> END

Frank,

I've tested this on a 256-color grayscale DOQQ tileindex layer and it's 
working really well.  Haven't come across any problems, and it doesn't 
seem to slow down the application at all.

Thanks,
Dylan