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Re: [cgal-discuss] 3D Voronoi Intersection with Terrain Triangulation


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  • From: Manu Kaul <>
  • To:
  • Subject: Re: [cgal-discuss] 3D Voronoi Intersection with Terrain Triangulation
  • Date: Sun, 30 Sep 2012 13:18:00 +0200

Thanks Andreas. Are you sure its the Delaunay_3D and not the CGAL::Delaunay_triangulation_2 ?

On Sun, Sep 30, 2012 at 12:47 PM, Andreas Fabri <> wrote:
On 29/09/2012 19:31, Manu Kaul wrote:
Hi All,
Is it possible to intersect a 2D Delaunay terrain triangulation with a
3D Voronoi diagram to compute the triangles that are intersected by the
Voronoi diagram?
I have to choose a small subset of the triangulation's vertices as my
points for the 3D Voronoi generation. Wondering if someone could please
point me out
to some documentation on how I can do this in CGAL. I couldn't find a 3D
Voronoi generation in CGAL docs.

Cheers,
Manu

Hello,

The 3D Voronoi diagram is not there explicityely.
Instead you construct a 3D Delaunay triangulation
and then call the method "dual" for the cells to
obtain the corners of the Voronoi cells.

andreas

--
Andreas Fabri, PhD
Chief Officer, GeometryFactory
Editor, The CGAL Project

phone: +33.492.954.912    skype: andreas.fabri

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