diff options
Diffstat (limited to 'src/export.cc')
| -rw-r--r-- | src/export.cc | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/export.cc b/src/export.cc index 99419aa..840525c 100644 --- a/src/export.cc +++ b/src/export.cc @@ -29,6 +29,42 @@ #ifdef ENABLE_CGAL #include "cgal.h" +void cgal_nef3_to_polyset(PolySet *ps, CGAL_Nef_polyhedron *root_N) +{ + CGAL_Polyhedron P; + root_N->p3.convert_to_Polyhedron(P); + + typedef CGAL_Polyhedron::Vertex Vertex; + typedef CGAL_Polyhedron::Vertex_const_iterator VCI; + typedef CGAL_Polyhedron::Facet_const_iterator FCI; + typedef CGAL_Polyhedron::Halfedge_around_facet_const_circulator HFCC; + + for (FCI fi = P.facets_begin(); fi != P.facets_end(); ++fi) { + HFCC hc = fi->facet_begin(); + HFCC hc_end = hc; + Vertex v1, v2, v3; + v1 = *VCI((hc++)->vertex()); + v3 = *VCI((hc++)->vertex()); + do { + v2 = v3; + v3 = *VCI((hc++)->vertex()); + double x1 = CGAL::to_double(v1.point().x()); + double y1 = CGAL::to_double(v1.point().y()); + double z1 = CGAL::to_double(v1.point().z()); + double x2 = CGAL::to_double(v2.point().x()); + double y2 = CGAL::to_double(v2.point().y()); + double z2 = CGAL::to_double(v2.point().z()); + double x3 = CGAL::to_double(v3.point().x()); + double y3 = CGAL::to_double(v3.point().y()); + double z3 = CGAL::to_double(v3.point().z()); + ps->append_poly(); + ps->append_vertex(x1, y1, z1); + ps->append_vertex(x2, y2, z2); + ps->append_vertex(x3, y3, z3); + } while (hc != hc_end); + } +} + void export_stl(CGAL_Nef_polyhedron *root_N, QString filename, QProgressDialog *pd) { CGAL_Polyhedron P; |