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Re: using cgSurface to produce a scatter 3D plot with 4th dimension [message #79598 is a reply to message #79527]

Fri, 09 March 2012 05:25

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Sebastian Schäfer writes:

> I did - but Scatter_Surface only accepts 3 dimensions (e.g. x,y and a
> value for each point: z). Unfortunately, I have 4 dimensions: 3
> coordinates (x,y,z) and one value for each of these points. What is
> missing is the option to use the color of the symbols plotted to
> visualize the 4th dimension (like I did with cgSurf) or am I
> overlooking something?

That simple program does "elevation shading" (i.e., in the
Z direction) by default, just like in your example.

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		using cgSurface to produce a scatter 3D plot with 4th dimension By: Sebastian Schäfer on Wed, 07 March 2012 03:16
		Re: using cgSurface to produce a scatter 3D plot with 4th dimension By: David Fanning on Fri, 09 March 2012 06:37
		Re: using cgSurface to produce a scatter 3D plot with 4th dimension By: Sebastian Schäfer on Fri, 09 March 2012 06:22
		Re: using cgSurface to produce a scatter 3D plot with 4th dimension By: David Fanning on Fri, 09 March 2012 05:25

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