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[cgal-discuss] CGAL::Delaunay_Triangulation_3::dual(const Facet & f)


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  • From: Thomas Gust <>
  • To:
  • Subject: [cgal-discuss] CGAL::Delaunay_Triangulation_3::dual(const Facet & f)
  • Date: Wed, 9 Jul 2014 03:48:59 -0700 (PDT)

Hello everybody,

I am using CGAL successfully in conjunction with a Java program through JNI.
Especially I am interested in using 3d Delaunay triangulations and their
dual Voronoi tesselations.

To get the Voronoi edges, I need the duals of the triangulations faces.
However, when I am calling the function

CGAL::Delaunay_Triangulation_3::Object
CGAL::Delaunay_Triangulation_3::dual(const Facet & f) const

anywhere in my dll, the Java dll-loader throws an exception that there is a
dependent library that can not be loaded. Please note, this problem occurs
with no other object or function of CGAL, which I use, whatsoever. So I
wonder what that presumably missing library could be?

There are no C++ compiling problems, not even warnings.

Also the CGAL Delaunay_Triangulation_3 demo works just fine and it shows me
the Voronoi edges through the use of exactly this function.

So what am I missing? Here is how I call the function:

DT3::Finite_facets_iterator fi = dt3.finite_facets_begin();
DT3::Object o = dt3.dual(*fi);

My tech-specs:
- Windows Server 2008 R2 x64
- Visual Studio 2010
- CGAL 4.4
- Java SDK 1.8
- x64 build

Another question: What would be the most recommended way to construct a 3d
Voronoi tesselation with CGAL? Not just the edges, but also the cells -
including the infinite ones.

Thanks for any help,
Thomas



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