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Re: 8 bit color [message #38936 is a reply to message #38927]

Sat, 03 April 2004 10:57

wmconnolley
Messages: 106
Registered: November 2000

Senior Member

David Fanning <davidf@dfanning.com> wrote:
> wmc@bas.ac.uk writes:

>> I want to use 8-bit psuedo color on a 24-bit display (so I can screen
>> capture as PNG's). But the display (X) remains resolutely True Color.
>>
> TVREAD. Well, it *used* to be TVREAD. Then I think I changed
> the PNG code to use 24-bit color images. But look at the
> code for GIF, which is still in there. This is how you
> will make an 8-bit colored PNG from a 24-bit screen capture.

Hmm, OK, will have a look. But is there no way to set the IDL window
to use 8 bit psuedo colour? I can get it down to 8 bit true colour,
(and I even spell it color) but not to psuedo.

> P.S. Greetings from the Big Freeze. If sabbaticals are
> designed to change perceptions, mine is working. I've
> been here lest than a week and already I think of -10
> below zero as "really warm". :-)

Maybe they should sent you to Vostok :-)

-W.

--
William M Connolley | wmc@bas.ac.uk | http://www.antarctica.ac.uk/met/wmc/
Climate Modeller, British Antarctic Survey | Disclaimer: I speak for myself
I'm a .signature virus! copy me into your .signature file & help me spread!

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[Message index]

		Re: 8 bit color By: Karl Schultz on Mon, 05 April 2004 08:04
		Re: 8 bit color By: wmconnolley on Mon, 05 April 2004 04:35
		Re: 8 bit color By: Nigel Wade on Mon, 05 April 2004 03:10
		Re: 8 bit color By: wmconnolley on Sat, 03 April 2004 10:57
		Re: 8 bit color By: David Fanning on Sat, 03 April 2004 07:18

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