| Re: Strange background colour in Object graphics [message #30099 is a reply to message #30098] |
Mon, 08 April 2002 20:42  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Reno Choi (K.Y.Choi@soton.ac.uk) writes:
> Thanks for your help for my questions the other day about widget
> project. I managed to divide seperate widget draws in a single window
> and it's even resizeable!
>
> Another question is now araised. I put both direct and object draws in
> my program (in seperate widget draws, of course). I tried to match
> background colours for those draws, but only my object draws shows
> rather different background colours, though I used the same colour
> numbers, e.g. backColour=[236,233,216] which is gray used in ordinary
> window systems. The colour was set in IDLgrView as follows,
>
> backColour=[236,233,216]
> oView = OBJ_NEW('IDLgrView', PROJECTION=2, COLOR=backColour)
>
> Background in all direct plots are identical to the one in the Window,
> but object draw has a bit brighter colour (I'd say its rather white!).
>
> Anyone can explain why it happens and how to correct?
I tried this on my Windows machine (24-bit color) and
the colors in the two windows were identical. There isn't
a chance, is there, that you are running this program on
an 8-bit display?
Cheers,
David
--
David W. Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438, E-mail: david@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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