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color table trouble [message #14892] Fri, 02 April 1999 00:00
Gary Bust is currently offline  Gary Bust
Messages: 6
Registered: October 1996
Junior Member
Hi.

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.

Thanks.

Gary

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