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- From: Julia Fischer <>
- To: cgal-discuss <>
- Subject: Re: [cgal-discuss] Segmentation fault at neighbor access
- Date: Tue, 6 Jun 2017 22:22:06 +0200
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On 6 June 2017 at 14:47, Thomas Holzmann <> wrote:
I want to reopen this thread again, as I still have the same issue.
Yes, my triangulation is valid and has dimension 3.
Does someone has another hint?
Thomas
On 04/07/2017 05:58 PM, Sylvain Pion wrote:
Did you check that triangulation_.dimension() == 3 ?
2017-04-07 9:27 GMT+02:00 Andreas Fabri <>:
Did you check that the triangulation as a whole is valid?
andreas
On 07/04/2017 09:03, Thomas Holzmann wrote:
Hi,
I get a weird segmentation fault and I really don't know why. Here is my
code:
if (triangulation_.is_valid(currCell))
{
for (int k = 0; k < 4; k++)
cellsToProcess.push(currCell->neighbor(k)); // when accessing
neighbor -> segfault
}
where triangulation_ is a
CGAL::Triangulation_3<CGAL::Exact_predicates_exact_constructions_kernel,
Tds_info>. and currCell is a Cell_handle.
I'm checking the validity of currCell, so the neighbors should exist,
right?
Does someone have an idea why that could happen or how to check the
validity of the neighbors before accessing it in another way?
Thomas
--
Andreas Fabri, PhD
Chief Officer, GeometryFactory
Editor, The CGAL Project
phone: +33.492.954.912 skype: andreas.fabri
--
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-- ==================================================== Dipl.-Ing. Thomas Holzmann TU Graz - Institut fuer Maschinelles Sehen und Darstellen Graz University of Technology - Institute for Computer Graphics & Vision Inffeldgasse 16/II, 8010 Graz, Austria http://www.icg.tugraz.at/ phone: +43 316 873 5091 ====================================================
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