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Re: Exporting PNGs with transparent backgroud?

• To: mathgroup at smc.vnet.net
• Subject: [mg60955] Re: Exporting PNGs with transparent backgroud?
• From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
• Date: Wed, 5 Oct 2005 02:27:55 -0400 (EDT)
• Organization: Uni Leipzig
• References: <dhqpk5$ke$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

try

http://phong.informatik.uni-leipzig.de/~kuska/mcpng.html

it allow alpha channels and 16 bit PNGs

Regards
  Jens

"Steven T. Hatton" <hattons at globalsymmetry.com> 
schrieb im Newsbeitrag 
news:dhqpk5$ke$1 at smc.vnet.net...
| Is there a way to export a Mathematica 
expression as PNG so that the
| background is transparent?  I want to use such 
images in OpenGL programs.
| If I cannot create the PNGs with clear 
background, can anybody suggest an
| easy to learn/use image conversion tool that 
would replace pixles of a
| given color with transparent pixles?
| -- 
| "Philosophy is written in this grand book, The 
Universe. ... But the book
| cannot be understood unless one first learns to 
comprehend the language...
| in which it is written. It is written in the 
language of mathematics, ...;
| without which wanders about in a dark 
labyrinth."   The Lion of Gaul
|