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Re: Object graphics keywords [message #11428]

Fri, 03 April 1998 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

Neil Winrow (ncw@dl.ac.uk) writes:

> Can anyone point me in the right direction. I have just started to learn
> about the IDL Object Graphics stuff.I have an object, a surface plot,
> and set the color red
>
> my_surf->SetProperty,color=[255,0,0]
>
> I can rotate the object, and would like the underside of the plot to be
> a different color:
>
> my_surf->SetProperty,bottom=[0,0,255]
>
> This doesn't seem to work, can anyone suggest a reason why.

My guess is that the destination object (i.e., your display)
is 8-bit and not 24-bit. This keyword only affects the under
color if the destination object is a RGB or 24-bit device.

Cheers,

David

-----------------------------------------------------------
David Fanning, Ph.D.
Fanning Software Consulting
E-Mail: davidf@dfanning.com
Phone: 970-221-0438
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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Re: Object graphics keywords

By: davidf on Fri, 03 April 1998 00:00

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