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Re: [cgal-discuss] Difference between Manifold and Quasi-manifold


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  • From: Guillaume Damiand <>
  • To:
  • Subject: Re: [cgal-discuss] Difference between Manifold and Quasi-manifold
  • Date: Mon, 16 Jun 2014 12:56:30 +0200

Le 16/06/2014 09:38, Pranav a écrit :
Could you justify how this figure
<http://doc.cgal.org/latest/Combinatorial_map/index.html#fig__figquasivariete>
(object with vertex /p/) represents a quasi-manifold object?

This is a 3D quasi-manifold because it is a set of 2D quasi manifolds that are glued along faces.



I agree that one can cover all faces and edges of the object incident at
/p/, but does it make it quasi-manifold even if opposite pentagons are
/directly/ connected at a vertex(i.e., /p/) only.

I am a bit confused here.



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