void Scene::cut_segment_plane()
{
// Build tree (if build fail, exit)
build_facet_tree();
if ( m_facet_tree.empty() ) {
return;
}
Plane plane = frame_plane();
// Compute intersections
typedef std::vector<Facet_tree::Object_and_primitive_id> Intersections;
Intersections intersections;
m_facet_tree.all_intersections(plane, std::back_inserter(intersections));
// Fill data structure
m_cut_segments.clear();
for ( Intersections::iterator it = intersections.begin(),
end = intersections.end() ; it != end ; ++it )
{
const Segment* inter_seg = CGAL::object_cast<Segment>(&(it->first));
if ( NULL != inter_seg )
{
m_cut_segments.push_back(*inter_seg);
}
}
m_cut_plane = CUT_SEGMENTS;
}
void Scene::unsigned_distance_function()
{
// Build tree (if build fail, exit)
build_facet_tree();
if ( m_facet_tree.empty() ) { return; }
compute_distance_function(m_facet_tree);
m_cut_plane = UNSIGNED_FACETS;
changed();
}