CGAL users discussion list

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Hello,

I am new to CGAL and still trying to figure out some of the basic operations. 

My Objective is to:

Project a point at distance "d" perpendicular to the border edge, from its
midpoint (in the plane of the model boundary edge). I can't figure out how to
perform this projecting operation. This is what I have so far:

 (Polyhedron model)

 //iterating through each boundary edge exactly once
    for(Halfedge_iterator hedge_it = model.halfedges_begin() ; hedge_it !=
model.halfedges_end(); hedge_it++)
    {
        // proceed only for boundary edges
        if( hedge_it->is_border() == false) // boundary(hedge_it)
            continue;

// "projecting_distance" perpendicular to "hedge_it" from the midpoint of
hedge_it
        // in the plane of the model at hedge_it
        //Vertex_3 x_proj = hedge_it.project(midpoint, projecting_distance);

Is there a function / construct that I can call which would yield me this 
point
x_proj ?

I'd appreciate any help

Thanks
/Priyank