diff options
| -rw-r--r-- | src/csgops.cc | 11 | ||||
| -rw-r--r-- | src/polyset.cc | 1 | ||||
| -rw-r--r-- | src/projection.cc | 22 |
3 files changed, 29 insertions, 5 deletions
diff --git a/src/csgops.cc b/src/csgops.cc index 508eecc..ae97085 100644 --- a/src/csgops.cc +++ b/src/csgops.cc @@ -30,6 +30,8 @@ #include "printutils.h" #ifdef ENABLE_CGAL # include "cgal.h" +# include <CGAL/assertions_behaviour.h> +# include <CGAL/exceptions.h> #endif enum csg_type_e { @@ -82,8 +84,10 @@ CGAL_Nef_polyhedron CsgNode::render_cgal_nef_polyhedron() const print_messages_push(); + CGAL::Failure_behaviour old_behaviour = CGAL::set_error_behaviour(CGAL::THROW_EXCEPTION); bool first = true; CGAL_Nef_polyhedron N; + try { foreach (AbstractNode *v, children) { if (v->modinst->tag_background) continue; @@ -110,8 +114,13 @@ CGAL_Nef_polyhedron CsgNode::render_cgal_nef_polyhedron() const } v->progress_report(); } - cgal_nef_cache.insert(cache_id, new cgal_nef_cache_entry(N), N.weight()); + } + catch (CGAL::Assertion_exception e) { + PRINTF("ERROR: Illegal polygonal object - make sure all polygons are defined with the same winding order. Skipping affected object."); + } + CGAL::set_error_behaviour(old_behaviour); + print_messages_pop(); progress_report(); diff --git a/src/polyset.cc b/src/polyset.cc index b8e77f4..47d858c 100644 --- a/src/polyset.cc +++ b/src/polyset.cc @@ -667,6 +667,7 @@ CGAL_Nef_polyhedron PolySet::render_cgal_nef_polyhedron() const CGAL::set_error_behaviour(old_behaviour); return CGAL_Nef_polyhedron(); } + CGAL::set_error_behaviour(old_behaviour); } return CGAL_Nef_polyhedron(); } diff --git a/src/projection.cc b/src/projection.cc index 1fb036c..7a3f77a 100644 --- a/src/projection.cc +++ b/src/projection.cc @@ -34,6 +34,11 @@ #include "export.h" #include "progress.h" +#ifdef ENABLE_CGAL +# include <CGAL/assertions_behaviour.h> +# include <CGAL/exceptions.h> +#endif + #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> @@ -106,17 +111,26 @@ PolySet *ProjectionNode::render_polyset(render_mode_e) const print_messages_push(); + PolySet *ps = new PolySet(); + ps->convexity = this->convexity; + ps->is2d = true; + CGAL_Nef_polyhedron N; N.dim = 3; + CGAL::Failure_behaviour old_behaviour = CGAL::set_error_behaviour(CGAL::THROW_EXCEPTION); + try { foreach(AbstractNode *v, this->children) { if (v->modinst->tag_background) continue; N.p3 += v->render_cgal_nef_polyhedron().p3; } - - PolySet *ps = new PolySet(); - ps->convexity = this->convexity; - ps->is2d = true; + } + catch (CGAL::Assertion_exception e) { + PRINTF("ERROR: Illegal polygonal object - make sure all polygons are defined with the same winding order. Skipping affected object."); + CGAL::set_error_behaviour(old_behaviour); + return ps; + } + CGAL::set_error_behaviour(old_behaviour); if (cut_mode) { |