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Re: Problem with Out keeping the camera view direction

  • To: mathgroup at smc.vnet.net
  • Subject: [mg84353] Re: Problem with Out keeping the camera view direction
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Thu, 20 Dec 2007 00:04:13 -0500 (EST)
  • References: <fkanmh$dj0$1@smc.vnet.net>

Hi,

try

{vp, vc, vv} =
  OptionValue[Plot3D, #] & /@ {ViewPoint, ViewCenter, ViewVertical};

Plot3D[Sqrt[1 - x^2 - y^2], {x, -1, 1}, {y, -1, 1},
  MeshShading -> {{Yellow, Orange}, {Pink, Red}}, Mesh -> 10,
  Evaluate[
   Sequence @@
    Thread[{ViewPoint, ViewCenter, ViewVertical} -> {Dynamic[vp],
       Dynamic[vc], Dynamic[vv]}]
   ], MaxRecursion -> 2, WorkingPrecision -> 20,
  PlotPoints -> {100, 100}, Boxed -> False, Background -> Black]

to save the camera position and orientation in vp,vc,vv
and use the values when you save the graphics.

Regards
   Jens


Camille JORDAN wrote:
> Ok let' say we run this command
> 
> Plot3D[Sqrt[1 - x^2 - y^2], {x, -1, 1}, {y, -1, 1},
>  MeshShading -> {{Yellow, Orange}, {Pink, Red}}, Mesh -> 10,
>  MaxRecursion -> 2, WorkingPrecision -> 20, PlotPoints -> {100, 100},
>  Boxed -> False, Background -> Black]
> 
> that produces a nice semi sphere
> 
> now use the Mouse cursor to rotate the semisphere to a different
> position. or Alt to zoom in or out etc
> and then use
> 
> Rasterize[Out[3]]
> assuming the Out[3] is the output from the above Plot3D command
> 
> shouldn't Rasterize of the Out[3] keep the same camera view port
> coordinates?
> 
> How can I get the view port coordinates from the Out[3] so that I can
> place that directly on my Plot3D then?
> Thanks for the help.
> 


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