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Re: 3D UserSym? [message #67531 is a reply to message #67530]

Mon, 03 August 2009 07:44

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Brian Daniel writes:

> I created at 3D scatter plot and animated a rotation using
> XInterAnimate. When I view the scatter plot in the Z vs XY plane
> (through manipulating the Az and Ax keywords) my plot points disappear
> because they are drawn in just 2 dimensions. Is there a way (maybe
> with UserSym) to create 3D plot points?

No, it is not possible with USERSYM. If you are doing
3D things, you really want to do them in a 3D graphics
system. That is, use object graphics, not direct graphics.

I used to have an example of a 3D scatter plot that used
round pin-shaped symbols to locate the points. But I see
this example program no longer works, because they have
removed the SYMBOL keyword from the IDLgrPolyline object.

I really have no idea exactly how to do this at the moment,
and I have no more time to play with it today. Perhaps someone
else has a clue. But, in any case, I think object graphics
is your only real solution, assuming we can figure out
how it is done. :-)

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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[Message index]

		Re: 3D UserSym? By: David Fanning on Mon, 03 August 2009 18:11
		Re: 3D UserSym? By: penteado on Mon, 03 August 2009 14:00
		Re: 3D UserSym? By: Kenneth P. Bowman on Mon, 03 August 2009 10:18
		Re: 3D UserSym? By: David Fanning on Mon, 03 August 2009 09:21
		Re: 3D UserSym? By: Michael Galloy on Mon, 03 August 2009 08:45
		Re: 3D UserSym? By: Brian Daniel on Mon, 03 August 2009 07:59
		Re: 3D UserSym? By: Michael Galloy on Mon, 03 August 2009 07:59
		Re: 3D UserSym? By: David Fanning on Mon, 03 August 2009 07:44
		Re: 3D UserSym? By: Brian Daniel on Tue, 04 August 2009 07:26

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