CGAL users discussion list

[Jack Stalnaker <>]

As a follow-up, it seems the segfault happens only when my horizontal straight line constraint has a y-coordinate that is identical to one of the y-coordinates that exists in another constraint. Shifting the horizontal line constraint by even a 10000th will remove the segfault. It only seems to happen when the constraint y-coordinates are exactly equal. I will try to write an example program to demonstrate later today. It seems like there's a missing check here in the refining code for constraints that exactly overlap. Instead there's a segfault. That's just a guess.

On Wed, Jan 14, 2015 at 3:42 PM, Marius Kintel <> wrote:

On Jan 14, 2015, at 16:26 PM, Jack Stalnaker <> wrote:

> Does anyone have any insight about what might cause a segmentation fault when calling refine_Delaunay_mesh_2.
>
I’m having similar issues, see:
http://cgal-discuss.949826.n4.nabble.com/Nef3-Wrong-normal-vector-reported-causes-triangulator-crash-tt4660282.html

If you share an example program including your data points, I guess it will be easier to diagnose.

 -Marius


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