mirror of https://github.com/CGAL/cgal
clean Simple_parameterization.cpp
This commit is contained in:
Andreas Fabri
Mael Rouxel-Labbé
parent
7997925bf8
commit
b7c5d49689
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@ -1,109 +1,73 @@
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#include <CGAL/Simple_cartesian.h>
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#include <CGAL/Polyhedron_3.h>
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#include <CGAL/boost/graph/graph_traits_Polyhedron_3.h>
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#include <CGAL/IO/Polyhedron_iostream.h>
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#include <CGAL/Parameterization_polyhedron_adaptor_3.h>
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#include <CGAL/Surface_mesh.h>
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#include <CGAL/parameterize.h>
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#include <CGAL/Polygon_mesh_processing/measure.h>
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#include <iostream>
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#include <fstream>
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typedef CGAL::Simple_cartesian<double> Kernel;
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typedef Kernel::Point_2 Point_2;
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typedef Kernel::Point_3 Point_3;
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typedef CGAL::Surface_mesh<Point_3> 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>::face_descriptor face_descriptor;
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// ----------------------------------------------------------------------------
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// Private types
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// ----------------------------------------------------------------------------
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namespace PMP = CGAL::Polygon_mesh_processing;
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typedef CGAL::Simple_cartesian<double> Kernel;
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typedef CGAL::Polyhedron_3<Kernel> Polyhedron;
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// ----------------------------------------------------------------------------
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// main()
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// ----------------------------------------------------------------------------
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int main(int argc, char * argv[])
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{
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std::cerr << "PARAMETERIZATION" << std::endl;
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std::cerr << " Floater parameterization" << std::endl;
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std::cerr << " Circle border" << std::endl;
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std::cerr << "Floater parameterization on the border of a circle" << std::endl;
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//***************************************
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// decode parameters
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//***************************************
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std::ifstream in((argc>1)?argv[1]:"data/nefertiti.off");
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if (argc-1 != 1)
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{
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std::cerr << "Usage: " << argv[0] << " input_file.off" << std::endl;
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return(EXIT_FAILURE);
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Mesh sm;
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in >> sm;
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halfedge_descriptor hd = PMP::longest_border(sm).first;
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if(hd == boost::graph_traits<Mesh>::null_halfedge()){
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std::cout << "mesh has no border" << std::endl;
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return(EXIT_FAILURE);
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}
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Mesh::Property_map<vertex_descriptor,Point_2> uv_pm;
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uv_pm = sm.add_property_map<vertex_descriptor,Point_2>("v:uv").first;
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Mesh::Property_map<vertex_descriptor,bool> parameterized_pm;
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parameterized_pm = sm.add_property_map<vertex_descriptor,bool>("v:parameterized",false).first;
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typedef CGAL::Parameterizer_traits_3<Mesh> Parameterizer;
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Parameterizer::Error_code err = CGAL::parameterize(sm,
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hd,
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uv_pm,
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get(boost::vertex_index_t(),sm),
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parameterized_pm);
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switch(err) {
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case Parameterizer::OK: // Success
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break;
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case Parameterizer::ERROR_EMPTY_MESH: // Input mesh not supported
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case Parameterizer::ERROR_NON_TRIANGULAR_MESH:
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case Parameterizer::ERROR_NO_TOPOLOGICAL_DISC:
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case Parameterizer::ERROR_BORDER_TOO_SHORT:
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std::cerr << "Input mesh not supported: "
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<< Parameterizer::get_error_message(err) << std::endl;
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return EXIT_FAILURE;
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break;
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default: // Error
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std::cerr << "Error: " << Parameterizer::get_error_message(err) << std::endl;
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return EXIT_FAILURE;
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break;
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};
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// Write the result in the polyline format
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BOOST_FOREACH(face_descriptor fd, faces(sm)){
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halfedge_descriptor hd = halfedge(fd,sm);
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std::cout << "4 " << uv_pm[target(hd,sm)].x() << " " << uv_pm[target(hd,sm)].y() << " 0 ";
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hd = next(hd,sm);
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BOOST_FOREACH(vertex_descriptor vd, vertices_around_face(hd,sm)){
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std::cout << uv_pm[vd].x() << " " << uv_pm[vd].y() << " 0 ";
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}
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// File name is:
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const char* input_filename = argv[1];
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//***************************************
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// Read the mesh
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//***************************************
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// Read the mesh
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std::ifstream stream(input_filename);
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Polyhedron mesh;
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stream >> mesh;
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if(!stream || !mesh.is_valid() || mesh.empty())
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{
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std::cerr << "Error: cannot read OFF file " << input_filename << std::endl;
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return EXIT_FAILURE;
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}
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//***************************************
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// Create Polyhedron adaptor
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// Note: no cutting => we support only
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// meshes that are topological disks
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//***************************************
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typedef CGAL::Parameterization_polyhedron_adaptor_3<Polyhedron>
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Parameterization_polyhedron_adaptor;
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Parameterization_polyhedron_adaptor mesh_adaptor(mesh);
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//***************************************
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// Floater Mean Value Coordinates parameterization
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// (defaults are circular border and Eigen solver)
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//***************************************
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typedef CGAL::Parameterizer_traits_3<Parameterization_polyhedron_adaptor>
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Parameterizer; // Type that defines the error codes
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Parameterizer::Error_code err = CGAL::parameterize(mesh_adaptor);
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switch(err) {
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case Parameterizer::OK: // Success
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break;
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case Parameterizer::ERROR_EMPTY_MESH: // Input mesh not supported
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case Parameterizer::ERROR_NON_TRIANGULAR_MESH:
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case Parameterizer::ERROR_NO_TOPOLOGICAL_DISC:
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case Parameterizer::ERROR_BORDER_TOO_SHORT:
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std::cerr << "Input mesh not supported: " << Parameterizer::get_error_message(err) << std::endl;
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return EXIT_FAILURE;
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break;
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default: // Error
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std::cerr << "Error: " << Parameterizer::get_error_message(err) << std::endl;
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return EXIT_FAILURE;
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break;
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};
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//***************************************
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// Output
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//***************************************
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// Raw output: dump (u,v) pairs
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Polyhedron::Vertex_iterator pVertex;
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for (pVertex = mesh.vertices_begin();
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pVertex != mesh.vertices_end();
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pVertex++)
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{
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// (u,v) pair is stored in any halfedge
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double u = mesh_adaptor.info(pVertex->halfedge())->uv().x();
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double v = mesh_adaptor.info(pVertex->halfedge())->uv().y();
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std::cout << "(u,v) = (" << u << "," << v << ")" << std::endl;
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}
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return EXIT_SUCCESS;
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std::cout << std::endl;
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}
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return EXIT_SUCCESS;
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}
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@ -10,7 +10,6 @@
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#include <CGAL/Barycentric_mapping_parameterizer_3.h>
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#include <CGAL/Mean_value_coordinates_parameterizer_3.h>
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#include <CGAL/LSCM_parameterizer_3.h>
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#include <CGAL/Polygon_mesh_processing/measure.h>
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#include <boost/foreach.hpp>
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#include <iostream>
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#include <cstdlib>
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@ -113,6 +113,24 @@ parameterize(TriangleMesh& mesh,
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return parameterizer.parameterize(mesh, bhd, uvm, boost::make_assoc_property_map(indices), vpm);
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}
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template <class TriangleMesh, class HD, class VertexUVmap, typename VertexIndexMap, typename VertexParameterizedMap>
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typename Parameterizer_traits_3<TriangleMesh>::Error_code
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parameterize(TriangleMesh& mesh,
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HD bhd,
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VertexUVmap uvm,
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VertexIndexMap vimap,
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VertexParameterizedMap vpm)
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{
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typedef typename boost::graph_traits<TriangleMesh>::vertex_descriptor vertex_descriptor;
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typedef std::map<vertex_descriptor,int> Indices;
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Indices indices;
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CGAL::Polygon_mesh_processing::connected_component(face(opposite(bhd,mesh),mesh),
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mesh,
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boost::make_function_output_iterator(Parameterization::Vertices<TriangleMesh,Indices>(mesh,indices)));
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Mean_value_coordinates_parameterizer_3<TriangleMesh> parameterizer;
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return parameterizer.parameterize(mesh, bhd, uvm, boost::make_assoc_property_map(indices), vpm);
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}
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template <class TM>
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class Seam_mesh;
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