| Re: An IDL cron job, true color plots, Xvfb, Z-buffer, and all sorts of troubles [message #58590 is a reply to message #58588] |
Thu, 07 February 2008 06:02   |
Spon
Messages: 178
Registered: September 2007
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Senior Member |
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On Feb 7, 1:21 pm, "kathryn....@gmail.com" <kathryn....@gmail.com>
wrote:
> I think the main reason I'm having so much trouble here is I'm trying
> to get something to work with color tables and true-color display
> without really understanding them.
I agree. Can you tell that I don't either? I'm learning though. :-)
> My image quality is degraded and the text is grainy,
Ah... I should've seen that coming :-(
http://www.dfanning.com/tips/postscript24.html
I *think* that by calling LOADCT in this instance you're actually
specifying every single colour as a 24-bit value. Which you can't.
Off the top of my head, I'd try defining my colour table before
changing device, and then seeing if POLYFILL and COLORBAR accept the
TRUE keyword. Don't have the time to check this right now, sorry.
I'm sure David (most likely) will be along shortly with an explanation
of how to solve your problem in a much more sensible way, and will do
so more eloquently than I could - even if I knew how ;-)
Good luck!
Chris
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