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MathGroup Archive 2009

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Re: Polygon Union

  • To: mathgroup at smc.vnet.net
  • Subject: [mg100574] Re: Polygon Union
  • From: David Skulsky <edskulsky at gmail.com>
  • Date: Mon, 8 Jun 2009 02:08:09 -0400 (EDT)
  • References: <h0bu7u$8p0$1@smc.vnet.net> <h0d72u$srv$1@smc.vnet.net>

Hmmm...  I was hoping to avoid using a function external to
Mathematica (I've never used MathLink), but this may be inevitable.

Thanks!

David Skulsky

On Jun 6, 12:49 am, "Sjoerd C. de Vries" <sjoerd.c.devr... at gmail.com>
wrote:
> http://www.cs.man.ac.uk/~toby/alan/software/has C code to perform a
> set of polygon operations, among which the polygon union.
>
> Cheers -- Sjoerd
>
> On Jun 5, 10:12 pm, David Skulsky <edskul... at gmail.com> wrote:
>
>
>
> > I am looking for a Mathematica function which generates the union of
> > two (not necessarily convex) polygons.  I found a package on the web
> > (the Imtek library, I believe) which includes a convex polygon
> > intersection function, but not a polygon *union* function.  Does
> > anyone know if such a function is available or, if not, can anyone
> > suggest an algorithm to implement in Mathematica?
>
> > Thanks in advance,
>
> > David Skulsky



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