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Fix faceset helper on advanced brep oriented edges #6604

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This commit is contained in:
Thomas Krijnen
2025-04-30 20:43:13 +02:00
parent c7a29d5604
commit c8ad1ba0ee
2 changed files with 15 additions and 14 deletions
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src/ifcgeom/kernels/opencascade/face.cpp
+2 -1
View File
@@ -270,7 +270,8 @@ bool OpenCascadeKernel::convert(const taxonomy::face::ptr face, TopoDS_Shape& re
face_definition fd;
if (face->basis) {
// when the surface is planar we do not care about it
if (face->basis && face->basis->kind() != taxonomy::PLANE) {
fd.surface() = convert_surface(face->basis);
}
src/ifcgeom/kernels/opencascade/faceset_helper.cpp
+13 -13
View File
@@ -41,11 +41,13 @@ IfcGeom::OpenCascadeKernel::faceset_helper::faceset_helper(
for (auto& l : f->children) {
loops.push_back(l);
for (auto& e : l->children) {
// @todo make sure only cartesian points are provided here
auto& p = boost::get<ifcopenshell::geometry::taxonomy::point3::ptr>(e->orientation.get_value_or(true) ? e->start : e->end);
if (point_identities_visited.find(p->identity()) == point_identities_visited.end()) {
point_identities_visited.insert(p->identity());
points.push_back(p);
for (size_t i = 0; i < 2; ++i) {
// @todo make sure only cartesian points are provided here
auto& p = boost::get<ifcopenshell::geometry::taxonomy::point3::ptr>(i == 0 ? e->start : e->end);
if (point_identities_visited.find(p->identity()) == point_identities_visited.end()) {
point_identities_visited.insert(p->identity());
points.push_back(p);
}
}
}
}
@@ -206,21 +208,19 @@ void IfcGeom::OpenCascadeKernel::faceset_helper::loop_(const ifcopenshell::geome
return;
}
auto a = boost::get<ifcopenshell::geometry::taxonomy::point3::ptr>(ps->children.back()->orientation.get_value_or(true) ? ps->children.back()->start : ps->children.back()->end);
auto A = a->identity();
for (auto& b : ps->children) {
auto B = boost::get<ifcopenshell::geometry::taxonomy::point3::ptr>(b->orientation.get_value_or(true) ? b->start : b->end)->identity();
for (auto& edge : ps->children) {
auto A = boost::get<ifcopenshell::geometry::taxonomy::point3::ptr>(edge->start)->identity();
auto B = boost::get<ifcopenshell::geometry::taxonomy::point3::ptr>(edge->end)->identity();
auto C = vertex_mapping_[A], D = vertex_mapping_[B];
bool fwd = C < D;
if (!b->orientation) {
fwd = !fwd;
}
if (!fwd) {
std::swap(C, D);
}
if (!edge->orientation.get_value_or(true)) {
fwd = !fwd;
}
if (C != D) {
callback(C, D, fwd);
A = B;
}
}
}