CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

CGAL::Object mechanism rely on RTTI. This implies that if you create
an Object in a dll and try to use it in another one, there is an issue.

I don't know if your problem is related but CGAL::Object and JNI ring
a bell (as I had the issue with the cgal-bindings).

Sebastien.



On 07/09/2014 12:48 PM, Thomas Gust wrote:
> 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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> http://cgal-discuss.949826.n4.nabble.com/CGAL-Delaunay-Triangulation-3-dual-const-Facet-f-tp4659537.html
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