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Re: Re: Getting the size of the bounding box of a Graphics3D[]

  • To: mathgroup at smc.vnet.net
  • Subject: [mg88481] Re: [mg88400] Re: Getting the size of the bounding box of a Graphics3D[]
  • From: "W_Craig Carter" <ccarter at mit.edu>
  • Date: Tue, 6 May 2008 06:42:22 -0400 (EDT)
  • References: <fvhevb$4gp$1@smc.vnet.net> <200805051007.GAA08042@smc.vnet.net>

Hello David and Szabolcs,
Yes it does appear to be a bug for the new primitives:

PlotRange /. AbsoluteOptions[Graphics3D[Cylinder[]]]

PlotRange /.
 AbsoluteOptions[Graphics3D[Cylinder[{{0, 0, 0}, {2, 1, 200}}, 1]]]

Same incorrect bounding box....

Cheers, Craig

On Mon, May 5, 2008 at 6:07 AM, David Park <djmpark at comcast.net> wrote:
> I think it's a bug for Sphere.
>
>  It works for other things.
>
>  plot1 = ParametricPlot3D[{Sin[u], Sin[u], Cos[u]} {Cos[v], Sin[v],
>     1}, {u, 0, Pi}, {v, 0, 2 Pi}]
>  PlotRange /. AbsoluteOptions[plot1]
>  {{-1., 1.}, {-1., 1.}, {-1., 1.}}
>

>
>  "Szabolcs Horv=E1t" <szhorvat at gmail.com> wrote in message
>  news:fvhevb$4gp$1 at smc.vnet.net...
>  >
>  > Is there a reliable way to get the coordinates and size of the bounding
>  > box of a Graphics3D object?

>  > PlotRange /. AbsoluteOptions[Graphics3D[Sphere[]]]
>  >
>  > but it gives {{0., 1.}, {0., 1.}, {0., 1.}}, whereas the correct answer
>  > should be {{-1., 1.}, {-1., 1.}, {-1., 1.}}.

W. Craig Carter


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