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Re: can't translate 3D model to 0,0,0
*To*: mathgroup at smc.vnet.net
*Subject*: [mg88417] Re: can't translate 3D model to 0,0,0
*From*: Bill Rowe <readnews at sbcglobal.net>
*Date*: Mon, 5 May 2008 06:11:01 -0400 (EDT)
On 5/3/08 at 6:18 AM, willpowers69 at hotmail.com (will parr) wrote:
>I have a problem with translating some 3D models to 0,0,0. I have
>been using the following code:
>ma = Mean@a; ac = # + ({0, 0, 0} - ma) & /@ a;
>where "a" is a 3D model made up of many 3D coordinates. However,
>this code does not work - in that the new centroid (mean) of the
>model is not at 0,0,0. can anyone suggest an alternative method?
Your code is more complex than needed since
ac = # - ma&/@a is exactly equivalent to your expression for ac.
But having said that, there really isn't anything wrong with
your code. It should do exactly what you want.
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