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Re: [cgal-discuss] CGAL exports degenerate mesh


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  • From: "Sebastien Loriot (GeometryFactory)" <>
  • To:
  • Subject: Re: [cgal-discuss] CGAL exports degenerate mesh
  • Date: Thu, 3 May 2018 15:26:14 +0200
  • Authentication-results: mail3-smtp-sop.national.inria.fr; spf=None ; spf=Pass ; spf=None
  • Ironport-phdr: 9a23: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

Not really, you can at least make sure that the precision of the stream
is the maximum one (std::setprecision(17) for double).

Sebastien.

On 05/02/2018 10:38 PM, Zesen Qian wrote:
Hi list,

I guess this is a problem hard to avoid - after I process the mesh
with an exact kernel, I need to export it to a file(OFF). And it seems
that there are some precision issue that some triangles after exported
are degenerate. So now I can't process this mesh again in CGAL.

Is there anyway to workaround/fix this issue so I get a close enough
mesh without degeneracy?

Thank you.

Best,
Zesen




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