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Re: plotting graphics for web pages [message #60331 is a reply to message #60234]

Mon, 19 May 2008 19:31

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Mark writes:

> 2) One of the advantages of the ImageMagick convert command is that
> you can use it to reduce the number of colours in the image, where
> appropriate. I normally produce PNGs from IDL in 24-bit colour, but
> often reduce them to 8-bit or 4-bit colour with ImageMagick
> afterwards, if file size is an issue.

Ok, ImageMagick is terrific! But the documentation is typical
of free software. How exactly does one reduce the color?
I'm writing an article. :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: plotting graphics for web pages By: Mark[1] on Sun, 11 May 2008 15:09
		Re: plotting graphics for web pages By: enod on Sun, 11 May 2008 06:44
		Re: plotting graphics for web pages By: David Fanning on Sat, 10 May 2008 10:32
		Re: plotting graphics for web pages By: russ[1] on Sat, 10 May 2008 09:04
		Re: plotting graphics for web pages By: Vince Hradil on Sat, 10 May 2008 08:43
		Re: plotting graphics for web pages By: Justus Skorps on Sat, 10 May 2008 08:32
		Re: plotting graphics for web pages By: Paul Van Delst[1] on Mon, 19 May 2008 13:29
		Re: plotting graphics for web pages By: David Fanning on Mon, 19 May 2008 19:31
		Re: plotting graphics for web pages By: Mark[1] on Wed, 21 May 2008 15:31

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