image transparency

[Michael Anderson]

If you use MapScript from Python you can use the Python Imaging Library 
(http://www.pythonware.com/products/pil)to do quite a bit of image 
processing. I don't know, but would assume Perl has something similiar.

Mike

Michael Anderson
Spatial Information Technologies, Inc.


>From: "Stephen Lime" <steve.lime at dnr.state.mn.us>
>To: <benlewis1 at hotmail.com>
>CC: <mapserver-users at lists.gis.umn.edu>
>Subject: Re: image transparency
>Date: Wed, 15 Nov 2000 10:42:14 -0600
>
>Yup, use the OFFSITE parameter. It takes as a value the color (index value) 
>you
>wish to be transparent. So, OFFSITE 0 makes color 0 in the image 
>transparent and
>so on.
>
>No, there is no way to do any image pre-processing at the moment.
>
>Steve
>
>Stephen Lime
>Internet Applications Analyst
>
>Minnesota DNR
>500 Lafayette Road
>St. Paul, MN 55155
>651-297-2937
>
> >>> "Ben Lewis" <benlewis1 at hotmail.com> 11/15/00 09:57AM >>>
>MapServer users,
>Is there a way to specify a pixel value for transparency?  I have images
>with null value borders and would like the images to appear seamless so I
>would like to specify 0 0 0 or perhaps 255 255 255 as transparent.  BTW is
>there any way to tweak contrast/brightness?
>Thank you.
>
>
>Ben Lewis
>Advanced Technology Solutions, Inc.
>Lancaster, PA
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