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Re: 3D graphics resize unintentionally when rotated

  • To: mathgroup at smc.vnet.net
  • Subject: [mg81654] Re: 3D graphics resize unintentionally when rotated
  • From: Szabolcs Horvát <szhorvat at gmail.com>
  • Date: Mon, 1 Oct 2007 04:37:34 -0400 (EDT)
  • References: <fdnlaf$kie$1@smc.vnet.net>

Murray Eisenberg wrote:
> I'm experiencing the following problem with 3D graphics display in 
> Mathematica 6 under Windows XP (with an ATI 256 MB video card): If I 
> display the result of, say,
> 
>    Graphics3D[Sphere[{0,0,0}]]
> 
> and then use the mouse to rotate the graphic, at various instances the 
> size of the sphere will suddenly grow, and then when I rotate it further 
> it will suddenly shrink.
> 
> Anybody else notice such behavior?  Any explanation?
> 

For me it changes size only when I release the mouse button.  The size 
changes happen because Mathematica tries to fit the bounding box into 
the view area as well as possible (even with Boxed -> False).  To avoid 
size changes, try the option SphericalRegion -> True.

    Graphics3D[Sphere[{0,0,0}], SphericalRegion -> True]

-- 
Szabolcs


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