CGAL users discussion list

[Fulvio Mastrogiovanni <>]

Dear All,

I am trying to do something which - I am sure - it is pretty simple, but I
cannot figure out how to do it.

Basically, after a parameterization (e.g., least square free border
parameterizer, straightforward given the excellent example) I would like to be
able to 1) retrieve the coordinates of the border vertices, as well as 2) the
mapping between 2D (u,v) and 3D (x,y,z) coordinates (e.g., retrieving the
latter given the former).

Having a polyhedron, this should be very simple. For instance, I though the
first problem could be dealt with like this:

// Iterate over the mesh border
Polyhedron::Vertex_iterator viBorder;
for(viBorder = pMesh.mesh_main_border_vertices_begin(); viBorder !=
pMesh.mesh_main_border_vertices_end(); viBorder++)
{
        ppaMeshAdaptor::Point_2 p2Point;
        p2Point = pMesh.get_vertex_uv(viBorder);
        double dX = p2Point.x();
        double dY = p2Point.y();
        cout << dX << " " << dY << endl;
}

Unfortunately I experience problems since, e.g.,
mesh_main_border_vertices_begin() is not a member of
CGAL::Polyhedron_3<PolyhedronTraits_3>...

What am I doing wrong here? Sorry for the naive questions.

Best,

Fulvio

-- 
Fulvio Mastrogiovanni
DIST|University of Genova|Italy

Email: 

WWW: http://www.laboratorium.dist.unige.it/~fulvio/
Phone: (+39)0103532801

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