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Re: Question About Scatter Surface Pro (www.dfanning.com) [message #48699 is a reply to message #48698]

Wed, 17 May 2006 12:09

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning writes:

> Alas, the problem is in the RSI (Whoops! Excuse me, ITTVIS)
> supplied orb object. It uses a single number for the radius
> of the orb, and you want to construct the orb using three
> different radii in the proper relation to one another.
>
> I haven't looked at the ORB code in a long while, so I
> don't know how difficult this would be to do, but remembering
> the equation for an ellipsoid, I wouldn't think too difficult.
> You are not the only person to wish for this, however, so
> if you figure it out and publish it here (with decent examples
> of how to get a sphere under difficult conditions), there is
> a good chance you can become famous. :-)

I've heard from someone who prefers NOT to be famous.
He writes:

The ORB object is a subclass of IDLgrModel, so all you
really have to do is call -> Scale on the object reference
(and/or Translate to get it in the range 0-Size rather
than -radius to +radius).

Seems a lot easier than my idea. :-)

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: Question About Scatter Surface Pro (www.dfanning.com) By: j.vanknippenberg on Thu, 18 May 2006 01:45
		Re: Question About Scatter Surface Pro (www.dfanning.com) By: David Fanning on Wed, 17 May 2006 14:03
		Re: Question About Scatter Surface Pro (www.dfanning.com) By: David Fanning on Wed, 17 May 2006 12:09
		Re: Question About Scatter Surface Pro (www.dfanning.com) By: David Fanning on Wed, 17 May 2006 09:30
		Re: Question About Scatter Surface Pro (www.dfanning.com) By: Antonio Santiago on Wed, 17 May 2006 08:34
		Re: Question About Scatter Surface Pro (www.dfanning.com) By: David Fanning on Thu, 18 May 2006 09:18

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