CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

A way to do it is to use the AABB-tree on the facets of the original 
model and call AABB_tree::closest_point_and_primitive using the point
of each vertex in the remeshed surface.

See http://doc.cgal.org/latest/AABB_tree/index.html

Sebastien.

On 11/05/2014 04:10 AM, hmzhangmin wrote:
> Hi My friends,
>
> When generate mesh for a 3D surface, we can get a triangle mesh which is
> stored in "SurfaceMeshComplex_2InTriangulation_3" object, this is
> implemented in function "make_surface_mesh".
> Ok, now we know the coordinates of every vertex in the triangle mesh, but we
> don't know the u/v
> parameter of the vertex in the original surface. As we know, after mesh
> generation, every vertex in the result triangle mesh lie on the original
> surface.
>
> So, my question is: how can we get the u/v parameter pair for vertex in
> triangle mesh after mesh generation of a 3D surface?
>
> Thanks you very much.
> Min
>
>
>
> --
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