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[ppmm <>]

I studied the manual of 2D constrained Delaunay triangulation. It seems that
the only way of defining the constraint is to manually add all edges. Is
there a way of adding the solids resulting from the boolean operation
introduced in the following chapter as the constraint?

http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Boolean_set_operations_2/Chapter_main.html

I attached an example to illustrate what I want to draw in the plane.



Another question: can I assign properties for each region, such as the
material index? Then, after the meshing operation, each triangle will
automatically acquire its properties depending on its location. For example,
in the attached figure, all meshes in the circle have material 1, and all
meshes in the (hex-circle) have material 2, and the rest meshes' material is
3.

Thanks a lot for your help.


http://cgal-discuss.949826.n4.nabble.com/file/n3250220/%E7%BB%98%E5%9B%BE1.jpg
 
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