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Re: [cgal-discuss] Periodic Voronoi Tessellation in 3D: Write Cells, Faces and Vertices to File


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  • From: Olivier Devillers <>
  • To:
  • Subject: Re: [cgal-discuss] Periodic Voronoi Tessellation in 3D: Write Cells, Faces and Vertices to File
  • Date: Thu, 06 Feb 2014 08:02:55 -0400

Le 2/5/14 9:39 PM, Michael Klatt a écrit :
Dear Monique Teillaud, Dear Olivier Devillers,

thank you very much for your help!
The cubic lattice was an example, which I think I now understand.
Now, I work on random point processes/ tessellations.
If you add enough points at random, then youo should not have
degenerate cases anymore.

I have just two more questions.

I use exact predicates and exact constructions as it is recommended
exact predicates inexact construction should be
enough and much faster
for the dual constructions. Can I (or is it wise to) use the
operator== in order to check whether two points (of two different
facets) are identical?
yes for points

(http://doc.cgal.org/latest/Kernel_23/classCGAL_1_1Point__2.html#a8ab6bac29380a19ffb4b2b4486fb96e9)

no for vertices (Vertex_handle) which is a combinatorial object




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