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Rotation of 3D objects

  • To: mathgroup at smc.vnet.net
  • Subject: [mg86237] Rotation of 3D objects
  • From: Narasimham <mathma18 at hotmail.com>
  • Date: Thu, 6 Mar 2008 03:02:17 -0500 (EST)

By what command is it possible to create (without writing a code
separately ):

1) Reflections of 3D objects about a plane?

2) Multiple copies equally spaced  by rotation around an axis through
two given points?

E.g.,
surf = ParametricPlot3D[{ t,u+t, u*t/5}, {t,0,2},{u,-1,1}];
Rotate[surf,Axis->{ {-1,-1,-1},{1,1,1}} , Copies-> 4 ] ;     and,

3) A single rotation of given object through a given angle on an axis
through two defined points?

Thanks in advance

Narasimham


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