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MathGroup Archive 2009

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Re: How to find current ViewAngle, ViewPoint during Rotating graphics?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98583] Re: How to find current ViewAngle, ViewPoint during Rotating graphics?
  • From: Szabolcs Horvát <szhorvat at gmail.com>
  • Date: Mon, 13 Apr 2009 03:35:11 -0400 (EDT)
  • References: <grs6d7$qkc$1@smc.vnet.net>

Nasser Abbasi wrote:
> Mathematica 7.
> 
> Is there a way to display the current ViewAngle and/or View point of a 3D 
> graphics as one is rotating it with the mouse?
> 
> Sometimes I am not sure what is the best view angle to use initially, but 
> after I rotate the 3D graphics and find a good angle I like, there does not 
> seem to be a way to determine its value from the front end. I was expecting 
> may be that a mouse right-click on the graphics or something similar would 
> bring up some information about the current state of the graphics.
> 
> Any one knows a trick way to find this information?
> 

This has come up when version 6 came out and the ViewPoint Selector was 
removed.

http://groups.google.com/group/comp.soft-sys.math.mathematica/browse_thread/thread/524cfa9d6aa9b6e0/7b047a2b7e252f5a

The concept is:

Graphics3D[Cylinder[], ViewPoint -> Dynamic[vp]]

Dynamic[vp]


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