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Merge remote-tracking branch 'cgal/cgal' into v0.7.0

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Thomas Krijnen
2019-01-23 15:44:19 +01:00
parent 4d39dbca2a 9ae55ab303
commit 884064f213
14 changed files with 3211 additions and 424 deletions
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src/ifcgeom/schema_agnostic/cgal/CgalConversionResult.cpp
+31 -11
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@@ -17,24 +17,44 @@ void triangulate_helper(const cgal_shape_t& shape_const, const IfcGeom::Iterator
vertex->point() = vertex->point().transform(trsf);
}
if (!s.is_valid()) {
Logger::Message(Logger::LOG_ERROR, "Invalid Polyhedron_3 in object (before triangulation)");
return;
}
// Triangulate the shape and compute the normals
std::map<cgal_vertex_descriptor_t, Kernel::Vector_3> vertex_normals;
boost::associative_property_map<std::map<cgal_vertex_descriptor_t, Kernel::Vector_3>> vertex_normals_map(vertex_normals);
// std::map<cgal_vertex_descriptor_t, Kernel::Vector_3> vertex_normals;
// boost::associative_property_map<std::map<cgal_vertex_descriptor_t, Kernel::Vector_3>> vertex_normals_map(vertex_normals);
std::map<cgal_face_descriptor_t, Kernel::Vector_3> face_normals;
boost::associative_property_map<std::map<cgal_face_descriptor_t, Kernel::Vector_3>> face_normals_map(face_normals);
if (CGAL::Polygon_mesh_processing::triangulate_faces(s)) {
// std::cout << "Triangulated model: " << s.size_of_facets() << " facets and " << s.size_of_vertices() << " vertices" << std::endl;
} else {
Logger::Message(Logger::LOG_ERROR, "Failed to triangulate shape");
bool success = false;
try {
success = CGAL::Polygon_mesh_processing::triangulate_faces(s);
} catch (...) {
Logger::Message(Logger::LOG_ERROR, "Triangulation crashed");
return;
}
CGAL::Polygon_mesh_processing::compute_normals(s, vertex_normals_map, face_normals_map);
// Iterates over the faces of the shape
int num_faces = 0, num_vertices = 0;
if (!success) {
Logger::Message(Logger::LOG_ERROR, return;
"Triangulation failed");
}
// std::cout << "Triangulated model: " << s.size_of_facets() << " facets and " << s.size_of_vertices() << " vertices" << std::endl;
if (!s.is_valid()) {
Logger::Message(Logger::LOG_ERROR, "Invalid Polyhedron_3 in object (after triangulation)");
return;
}
// CGAL::Polygon_mesh_processing::compute_normals(s, vertex_normals_map, face_normals_map);
CGAL::Polygon_mesh_processing::compute_face_normals(s, face_normals_map);
for (auto &face: faces(s)) {
if (!face->is_triangle()) {
std::cout << "Warning: non-triangular face!" << std::endl;
continue;
}
CGAL::Polyhedron_3<Kernel>::Halfedge_around_facet_const_circulator current_halfedge = face->facet_begin();
do {
t->addVertex(surface_style_id,