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

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98680] Re: How to find current ViewAngle, ViewPoint during Rotating graphics?
  • From: Peter Breitfeld <phbrf at t-online.de>
  • Date: Thu, 16 Apr 2009 04:13:56 -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?
>
> Thanks,
> --Nasser 
>
>

For this purpose I use the following function:

ExtrahiereViews[pl_]:=
  Flatten[Union[(Extract[pl,Position[pl,#]]&)/@
  {ViewPoint->_, ViewCenter->_, ViewVertical->_,
   ViewAngle->_, ViewVector->_, ViewRange->_}  ]]

Give your "moused" image as argument to it   

-- 
_________________________________________________________________
Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de


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