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| author | Marius Kintel <marius@kintel.net> | 2013-01-28 17:05:36 (GMT) |
|---|---|---|
| committer | Marius Kintel <marius@kintel.net> | 2013-01-28 17:05:36 (GMT) |
| commit | ce6813476d711610719d9edd5401587ff22e5b58 (patch) | |
| tree | 384de30c0c799aaf249da97e6f04b8dfd529026b /src | |
| parent | 81264c1d268251f2b5294372782af31f39599d52 (diff) | |
| parent | 6f0a0fff9ec271ec9da31f319f9dfabdae569d1e (diff) | |
Merge pull request #255 from openscad/issue159
Issue159
Diffstat (limited to 'src')
| -rw-r--r-- | src/dxftess-cgal.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/dxftess-cgal.cc b/src/dxftess-cgal.cc index d01c1d5..0197473 100644 --- a/src/dxftess-cgal.cc +++ b/src/dxftess-cgal.cc @@ -24,7 +24,7 @@ typedef CGAL::Exact_predicates_inexact_constructions_kernel K; typedef CGAL::Triangulation_vertex_base_2<K> Vb; typedef CGAL::Delaunay_mesh_face_base_2<K> Fb; typedef CGAL::Triangulation_data_structure_2<Vb, Fb> Tds; -typedef CGAL::Constrained_Delaunay_triangulation_2<K, Tds> CDT; +typedef CGAL::Constrained_Delaunay_triangulation_2<K, Tds, CGAL::Exact_predicates_tag > CDT; //typedef CGAL::Delaunay_mesh_criteria_2<CDT> Criteria; typedef CDT::Vertex_handle Vertex_handle; @@ -109,6 +109,7 @@ void dxf_tesselate(PolySet *ps, DxfData &dxf, double rot, bool up, bool /* do_tr Grid2d<point_info_t> point_info(GRID_FINE); boost::unordered_map<edge_t,int> edge_to_triangle; boost::unordered_map<edge_t,int> edge_to_path; + int duplicate_vertices = 0; CGAL::Failure_behaviour old_behaviour = CGAL::set_error_behaviour(CGAL::THROW_EXCEPTION); try { @@ -131,7 +132,7 @@ void dxf_tesselate(PolySet *ps, DxfData &dxf, double rot, bool up, bool /* do_tr // ..maybe it would be better to assert here. But this would // break compatibility with the glu tesselator that handled such // cases just fine. - PRINT( "WARNING: Duplicate vertex found during Tessellation. Render may be incorrect." ); + duplicate_vertices++; continue; } @@ -165,6 +166,11 @@ void dxf_tesselate(PolySet *ps, DxfData &dxf, double rot, bool up, bool /* do_tr } } + if ( duplicate_vertices > 0 ) { + PRINT( "WARNING: Duplicate vertices and/or intersecting lines found during DXF Tessellation." ); + PRINT( "WARNING: Modify the polygon to be a Simple Polygon. Render is incomplete." ); + } + } catch (const CGAL::Assertion_exception &e) { PRINTB("CGAL error in dxf_tesselate(): %s", e.what()); |