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MathGroup Archive 2006

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Re: random 3D object consisting of cuboids

  • To: mathgroup at smc.vnet.net
  • Subject: [mg69079] Re: random 3D object consisting of cuboids
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Wed, 30 Aug 2006 06:32:01 -0400 (EDT)
  • Organization: The Open University, Milton Keynes, UK
  • References: <ed0rda$skc$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

gavrili wrote:
> i am trying to create random 3d objects constisting of cuboids; as the
> end result i need the coordinates of the cuboids;
> 
> however, i am having trouble with the commands from the very start;
> even when i cut and paste the following line from mathematica
> 
> Show[Graphics3D[Table[Cuboid[rcoord], {20}]]]
> 
> i am getting error messages of the sort
> Graphics3D::nlist3: rcoord is not a list of three numbers

Well, the variable or parameter rcoord must be a list of three numbers 
as in the following examples:

rcoord = {0, 0, 0};
Show[Graphics3D[Cuboid[rcoord]]];

rcoord := Table[Random[], {3}];
Show[Graphics3D[Table[Cuboid[rcoord], {20}]]];

rcoord = {{0, 0, 0}, {0, 0, 1}, {0, 1, 1}, {1, 1, 1}};
Show[Graphics3D[Cuboid /@ rcoord]];

HTH,
Jean-Marc


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