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RE: [cgal-discuss] Polyhedron Incremental Builder does not Recognize Border Edges


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  • From: "Amir Vaxman" <>
  • To: <>
  • Subject: RE: [cgal-discuss] Polyhedron Incremental Builder does not Recognize Border Edges
  • Date: Thu, 27 May 2010 09:33:27 +0300

That fixed it. However, it seems odd that I have to. AFAIK,
normalize_border() should just re-arrange the boundary edges, no? Also, the
same problem occurs when using a subdivision method, when the number of
border halfedges was not updated until normalize_border() was called.

Amir.

-----Original Message-----
From: Sebastien Loriot (GeometryFactory)
[mailto:]

Sent: Thursday, May 27, 2010 9:13 AM
To:

Subject: Re: [cgal-discuss] Polyhedron Incremental Builder does not
Recognize Border Edges


wrote:
> Hello,
>
> I constructed a polyhedron with borders with the incremental builder (the
> borders are simply defined as edges which does not have an opposite
counterpart
> in any other face constructed), and the polyhedron I get does not
recognize
> these edges as borders (size_of_border_edges() produces 0). If I subdivide
this
> polyhedron (say, using CC subdivision), the border edges are finally
revealed.
> Is this a bug, or did I forget to do something?
>
> Amir.
>
Hello,

Did you call normalize_border() before calling size_of_border_edges?

S.

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