[mapserver-users] set COLOR to transparent?

[Wendell Turner]

On Sun, May 02, 2010 at 10:05:39AM -0700, Roger André wrote:
> Hi Wendell,
> 
> The technique I have found that works well for setting a range of values to
> be transparent is to use ImageMagick's "-transparent" command in conjunction
> with "-fuzz".  Here is an example of that:
> 
> convert small_vis.tif -fuzz 25% -transparent "rgb(0,0,0)" alpha_test10.gif

The ImageMagick solution does just what I need.

Thank you.

Wendell