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Re: [cgal-discuss] Delaunay triangulation Question


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  • From: "naresh" <>
  • To: <>
  • Subject: Re: [cgal-discuss] Delaunay triangulation Question
  • Date: Mon, 30 Mar 2009 15:14:02 +0530

Hi Monique

Thank you for reply. I had checked the code for mesher. But i have one question. It takes format name something .inr file. And i have my points in array so i how can i load to mesher ?

Do i have to save my points to .inr file ? What is exactly inr file stores ?



----- Original Message ----- From: "Monique Teillaud" <>
To:
<>
Sent: Monday, March 30, 2009 1:52 PM
Subject: Re: [cgal-discuss] Delaunay triangulation Question


Hi,

For example, I have a coordinate list like x, y, z about 1000 points. This points belong to a real 3D surface. I would like to construct a triangular mesh using 3D delaunay triangulation function. So, I can construct a 3D surface model.

Then maybe what you need is not a 3D Delaunay triangulation but a mesh of your surface.
You may want to have a look at the 3D Surface Mesh Generation package.

> Basically i know how to use Delaunay Tringulation but I still not
understand what it doings ?

As its name says, it is computing a 3D Delaunay triangulation. ie in a nutshell a graph on 3D tetrahedra whose circumscribing balls are empty.
And the API of the class tells you what you can do with it.

Is there any method to convert Delaunay Tringulation to 3D polyhydrone ?

no, just because a 3D triangulation is not a polyhedron...

best
Monique Teillaud

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