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Re: [cgal-discuss] Precondition violation (it1.e_ == it2.e_) when creating a Triangulation_3


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  • From: Thiago Milanetto Schlittler <>
  • To:
  • Subject: Re: [cgal-discuss] Precondition violation (it1.e_ == it2.e_) when creating a Triangulation_3
  • Date: Thu, 1 Oct 2015 13:46:20 +0200
  • Authentication-results: mail3-smtp-sop.national.inria.fr; spf=None ; spf=Pass ; spf=None
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Hello,

   The code that I wrote to build the finite cells works the same way as CGAL’s input operator: read all vertices, build a map to save the indexes, and then create the cells. That part of my code works well.

   I said in the previous e-mail that the problem happens during the creation of the infinite cells, but I did a few more tests, and I get the same problem if I only create a “empty” cell, without defining the vertices or the neighbours. Is the operation create_cell() supposed to affect the finite cells iterators, even if the new cell is infinite or undefined?

Thanks in advance,
Thiago Milanetto Schlittler

On 30 Sep 2015, at 12:26, Thiago Milanetto Schlittler <> wrote:

Hello,

Thanks, I'll take a look on it!

Thiago

On Sep 30, 2015 11:46 AM, "Monique Teillaud" <> wrote:
Hi,

Mimicking the code of the CGAL input operator should help.

Best,
--
Monique Teillaud
http://www.loria.fr/~teillaud/
INRIA Nancy - Grand Est, LORIA
Institut National de Recherche en Informatique et Automatique

Le 30/09/15 01:07, Thiago Milanetto Schlittler a écrit :
Hello!

    I’m writing a routine to import/export a mesh from a file, and I’m
having some problems with the 3D cases. Essentially, I’m building
Triangulation_3 by “hand”, using the underlying tds() structure,



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