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Re: color_quan - how for exactly 256 colors? [message #36762 is a reply to message #36681]

Fri, 17 October 2003 01:01

justspam03
Messages: 36
Registered: October 2003

Member

> David Fanning <david@dfanning.com> wrote in message
> news:<MPG.19f86c414eaf8be5989719@news.frii.com>...

> What does this mean!? By definition, there will be
> no "exact" results when you sample 16.7 million colors
> down to 256. It just, uh..., mathematically can't be
> done. :-)

What I mean is: I know that my image contains not more than
256 different RGB colors (out of 16.7 million) - I created
the RGB image from an indexed image and now I want to
transform it back. This can be done exactly and I wondered
whether IDL provides a method to get that done.
Cheers,
Oliver

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		Re: color_quan - how for exactly 256 colors? By: David Fanning on Thu, 16 October 2003 08:50
		Re: color_quan - how for exactly 256 colors? By: justspam03 on Fri, 17 October 2003 01:01

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