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Re: [cgal-discuss] triangulation and terrain


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  • From: "Sebastien Loriot (GeometryFactory)" <>
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  • Subject: Re: [cgal-discuss] triangulation and terrain
  • Date: Mon, 21 Feb 2011 09:47:50 +0100

Farzaneh wrote:
Hi,

I'm completely new to CGAL. I need to write a program proccesing terrain
data.
I have a 2D triangulation and I want to distribute some point on them (
making a linked list of points for each face).
Also I need to know which faces of triangulation are destroyed when a new
point is inserted into the triangulation and which new faces are created, so
I could update this linked lists.
I'd really appreciate it if anyone could tell me which datatypes and
functions I should use to implement such a problem.

I'm using "CGAL::Delaunay_triangulation_2<Gt>" and " K::Point_3" for
creating the triangulation. I want to know datatypes and functions for
handling the cases I mentioned above.

Thanks in advance,
This manual example should answer your question

http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Triangulation_2/Chapter_main.html#Subsection_35.5.2

S.



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