[mapserver-users] Recoloring a raster...

[Lars Schylberg]

Hi Steve,

I have one solution with gdal that I showed in some context that I can't 
remember now.  It changes palette images. It does a simple reclass of 
the color values with gdal_calc and some glue with awk and sed.

https://gist.github.com/LarsSchy/c1be96fa03f7dc11df4247be033e2705

Have fun / Lars Schylberg

Den 2021-09-16 kl. 18:46, skrev Steve Lime:
> Hi all: I think this is possible. What's the easiest/best way to 
> recolor a raster image, so for example, turning all pixels of 255 0 0 
> to 0 0 255? There are only 6 colors in the input image I need to deal 
> with.
>
> --Steve
>
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