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Re: color table trouble [message #14889 is a reply to message #14877] Fri, 02 April 1999 00:00 Go to previous message
davidf is currently offline  davidf
Messages: 2866
Registered: September 1996
Senior Member
Gary (gbust@arlut.utexas.edu) writes:

> I have had a problem crop up on my IDL 5.1 on my Sun Ultra 30, that has me
> very perplexed. I am guessing that somehow I have mis-set a resource or
> something, but it is beyond me.
>
> I run idlde. I try to do a contour with something like:
> contour,dist(400),nlevels=20,/fill
>
> And I do not get a range of colors - I always have two colors - seemingly a
> light blue and white, or a red and black.
>
> I can do loadct, 13 for example, and nothing changes at all.
>
> Ok, so I tried tvlct,r,g,b,/get tvscl, dist(400) and now I have all
> my colors just fine. However if I try the contour as above I still do not
> have the colors.
>
> Now, say I load the Demo. And I run something that displays an image - like
> in the filtering section. And then I change the color map. Then exit the
> demo.
>
> Now, my contours are just fine.
>
> I am at a total loss.

I know, I know. I'm a sucker for these color questions, but I
LOVE this question!

IDL> Device, Decomposed=0

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155
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