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[cgal-discuss] Re: 3D boolean operation


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  • From: noel <>
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  • Subject: [cgal-discuss] Re: 3D boolean operation
  • Date: Fri, 27 Jan 2012 11:18:25 -0800 (PST)

Thanks for trying it out Sebastien.

I construct a polyhedron from a mesh whose points are doubles (). I then
convert that to a Nef Polyhedron. To get my file I just use the Nef <<
operator as the CGAL documentation indicates in section 15.6
(http://www.ics.uci.edu/~dock/manuals/cgal_manual/Nef_3/Chapter_main.html)

I take it from your reply that I shouldn't be using doubles. I know other
kernels require rings or integers. But I'm using
Exact_predicates_exact_constructions_kernel which does supports doubles
(http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Kernel_23_ref/Class_Exact_predicates_exact_constructions_kernel.html).

Should I avoid using them anyway? If so what kernel and number type should
I use, bearing in mind that apart from boolean operations I will also have
to perform many minkowski sums.

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