mirror of https://github.com/CGAL/cgal
93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
#include <CGAL/Simple_cartesian.h>
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#include <CGAL/Surface_mesh.h>
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#include <CGAL/boost/graph/Seam_mesh.h>
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#include <iostream>
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#include <fstream>
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#include <vector>
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#include <boost/foreach.hpp>
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typedef CGAL::Simple_cartesian<double> Kernel;
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typedef Kernel::Point_3 Point;
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typedef CGAL::Surface_mesh<Point> Mesh;
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typedef CGAL::Seam_mesh<Mesh> Seam_mesh;
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typedef boost::graph_traits<Mesh>::vertex_descriptor vertex_descriptor;
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typedef boost::graph_traits<Mesh>::halfedge_descriptor halfedge_descriptor;
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typedef boost::graph_traits<Mesh>::edge_descriptor edge_descriptor;
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int main(int argc, char* argv[])
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{
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Mesh sm;
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std::ifstream in((argc>1)?argv[1]:"data/cube.off");
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in >> sm;
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std::vector<edge_descriptor> seam;
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#if 1
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//cube
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halfedge_descriptor hd = * halfedges(sm).first;
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std::cout << "center = " << target(hd,sm) << std::endl;
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int count=0;
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BOOST_FOREACH(hd, halfedges_around_target(hd,sm)){
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std::cout << "v = " << source(hd,sm) << std::endl;
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if(count==0 || count==2){
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seam.push_back(edge(hd,sm));
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}
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if(seam.size() == 2)
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break;
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count++;
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}
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#endif
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#if 0
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//cube-ouvert
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BOOST_FOREACH(halfedge_descriptor hd, halfedges(sm)){
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if(is_border(hd,sm)){
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seam.push_back(edge(next(opposite(hd,sm),sm),sm));
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break;
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}
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}
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#endif
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Seam_mesh ssm(sm, seam);
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halfedge_descriptor mhd = halfedge(seam.front(),sm);
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Seam_mesh::halfedge_descriptor smhd(mhd), smhd2(opposite(mhd,sm));
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std::cout << "target = " << target(smhd,ssm) << std::endl;
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std::cout << "vertices on seam" << std::endl;
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BOOST_FOREACH(Seam_mesh::halfedge_descriptor hd, halfedges_around_face(opposite(smhd,ssm),ssm)){
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std::cout << target(hd.tmhd,sm) << std::endl;
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}
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std::cout << "vertices around target in mesh" << std::endl;
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BOOST_FOREACH(halfedge_descriptor hd, halfedges_around_target(mhd,sm)){
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std::cout << source(hd,sm) << std::endl;
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}
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std::cout << "vertices around target in seam mesh" << std::endl;
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BOOST_FOREACH(Seam_mesh::halfedge_descriptor hd, halfedges_around_target(smhd,ssm)){
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std::cout << source(hd.tmhd,sm) << std::endl;
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}
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std::cout << "vertices around source in seam mesh" << std::endl;
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BOOST_FOREACH(Seam_mesh::halfedge_descriptor hd, halfedges_around_source(opposite(smhd,ssm),ssm)){
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std::cout << target(hd.tmhd,sm) << std::endl;
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}
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std::cout << "vertices around source in seam mesh" << std::endl;
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BOOST_FOREACH(Seam_mesh::halfedge_descriptor hd, halfedges_around_source(smhd2,ssm)){
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std::cout << target(hd.tmhd,sm) << std::endl;
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}
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std::cout << "vertices around target in seam mesh" << std::endl;
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BOOST_FOREACH(Seam_mesh::halfedge_descriptor hd, halfedges_around_target(opposite(smhd2,ssm),ssm)){
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std::cout << source(hd.tmhd,sm) << std::endl;
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}
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boost::property_map<Seam_mesh, CGAL::vertex_point_t>::type vpm = get(CGAL::vertex_point,ssm);
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std::cout << get(vpm, source(hd,ssm)) << std::endl;
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return 0;
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}
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