diff options
| -rw-r--r-- | src/PolySetCGALEvaluator.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/PolySetCGALEvaluator.cc b/src/PolySetCGALEvaluator.cc index bfcd8f8..500c87d 100644 --- a/src/PolySetCGALEvaluator.cc +++ b/src/PolySetCGALEvaluator.cc @@ -107,7 +107,6 @@ PolySet *PolySetCGALEvaluator::evaluatePolySet(const ProjectionNode &node, Abstr PolySet *ps3 = N.convertToPolyset(); CGAL_Nef_polyhedron np; - np.dim = 2; for (size_t i = 0; i < ps3->polygons.size(); i++) { int min_x_p = -1; @@ -145,7 +144,14 @@ PolySet *PolySetCGALEvaluator::evaluatePolySet(const ProjectionNode &node, Abstr else plist.push_back(p); } - (*np.p2) += CGAL_Nef_polyhedron2(plist.begin(), plist.end(), CGAL_Nef_polyhedron2::INCLUDED); + // FIXME: Should the CGAL_Nef_polyhedron2 be cached? + if (np.empty()) { + np.dim = 2; + np.p2 = new CGAL_Nef_polyhedron2(plist.begin(), plist.end(), CGAL_Nef_polyhedron2::INCLUDED); + } + else { + (*np.p2) += CGAL_Nef_polyhedron2(plist.begin(), plist.end(), CGAL_Nef_polyhedron2::INCLUDED); + } } DxfData *dxf = np.convertToDxfData(); dxf_tesselate(ps, *dxf, 0, true, false, 0); |