Ejemplos de Nef_polyhedron::is_simple en C++ (Cpp)

Ejemplo n.º 1

Archivo: polyhedron_binary_op.cpp Proyecto: burnpanck/pyPolyCSG

polyhedron cgal_to_polyhedron( const Nef_polyhedron &NP ){
    Polyhedron P;
    polyhedron ret;
    
    if( NP.is_simple() ){
        NP.convert_to_polyhedron(P);
        std::vector<double> coords;
        std::vector<int> tris;
        int next_id = 0;
        std::map< Polyhedron::Vertex*, int > vid;
        for( Polyhedron::Vertex_iterator iter=P.vertices_begin(); iter!=P.vertices_end(); iter++ ){
            coords.push_back( CGAL::to_double( (*iter).point().x() ) );
            coords.push_back( CGAL::to_double( (*iter).point().y() ) );
            coords.push_back( CGAL::to_double( (*iter).point().z() ) );
            vid[ &(*iter) ] = next_id++;
        }
        
        for( Polyhedron::Facet_iterator iter=P.facets_begin(); iter!=P.facets_end(); iter++ ){
            Polyhedron::Halfedge_around_facet_circulator j = iter->facet_begin();
            tris.push_back( CGAL::circulator_size(j) );
            do {
                tris.push_back( std::distance(P.vertices_begin(), j->vertex()) );
            } while ( ++j != iter->facet_begin());
        }
        
        ret.initialize_load_from_mesh( coords, tris );
    } else {
        std::cout << "resulting polyhedron is not simple!" << std::endl;
    }
    return ret;
}