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| Re: DEPTH_TEST_FUNCTION, DEPTH_TEST_DISABLE properties (send an object to back) [message #63110 is a reply to message #63100] |
Mon, 27 October 2008 10:09  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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bernat writes:
> Anybody knows how to draw a graphic object on the background or send
> it to back. I don't know how to use the DEPTH_TEST_FUNCTION,
> DEPTH_TEST_DISABLE properties.... I never understand the function of
> these properties, the manual is not clear
I don't really understand these keywords either, but if you
are doing things in direct graphics, I've just put a new
article on my web page today describing AnnotateWindow,
which is an IDL program for annotating a direct graphics
window or image. The annotations that you add to this window
can be "ordered" by right clicking on them, and then choosing
to Move Forward, or Move Back, etc. In my case, the "order"
is simply the order in which they are stored in an IDL_Container
object. Moreover, annotation objects can be grouped so they
can be moved together, etc.
http://www.dfanning.com/catalyst/annotate.html
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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