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Test for self-intersection before converting to nef

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Thomas Krijnen
2023-12-11 20:59:04 +01:00
parent cac2b77659
commit e946b6c540
1 changed files with 4 additions and 0 deletions
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src/ifcgeom/kernels/cgal/CgalConversionResult.cpp
+4
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@@ -2,6 +2,7 @@
#include "CgalKernel.h" #include "CgalKernel.h"
#include <CGAL/Polygon_mesh_processing/repair.h> #include <CGAL/Polygon_mesh_processing/repair.h>
#include <CGAL/Polygon_mesh_processing/self_intersections.h>
#include "../../../ifcparse/IfcLogger.h" #include "../../../ifcparse/IfcLogger.h"
#include "../../../ifcgeom/IfcGeomRepresentation.h" #include "../../../ifcgeom/IfcGeomRepresentation.h"
@@ -34,6 +35,9 @@ void ifcopenshell::geometry::CgalShape::to_poly() const {
void ifcopenshell::geometry::CgalShape::to_nef() const { void ifcopenshell::geometry::CgalShape::to_nef() const {
if (!nef_) { if (!nef_) {
if (CGAL::Polygon_mesh_processing::does_self_intersect(*shape_)) {
throw std::runtime_error("Self-intersections detected, unable to proceed");
}
nef_ = utils::create_nef_polyhedron(*shape_); nef_ = utils::create_nef_polyhedron(*shape_);
} }
} }