From 62f696da51c126a4633c79549139f1664c8432cb Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Mon, 30 Sep 2024 12:28:28 +0200
Subject: [PATCH] Don't handle bspline-edges on planar faces in cgal-kernel
 #5484

---
 src/ifcgeom/kernels/cgal/CgalKernel.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/ifcgeom/kernels/cgal/CgalKernel.cpp b/src/ifcgeom/kernels/cgal/CgalKernel.cpp
index 86ceaabe7d..6c94c4ace7 100644
--- a/src/ifcgeom/kernels/cgal/CgalKernel.cpp
+++ b/src/ifcgeom/kernels/cgal/CgalKernel.cpp
@@ -155,9 +155,17 @@ CGAL::Nef_polyhedron_3<Kernel_> ifcopenshell::geometry::utils::create_nef_polyhe
 bool CgalKernel::convert(const taxonomy::shell::ptr l, cgal_shape_t& shape) {
 	for (auto& f : l->children) {
 		if (f->basis && f->basis->kind() != taxonomy::PLANE) {
-			Logger::Error("Non-planar faces not supported at the moment");
+			Logger::Error("CGAL Kernel: Non-planar faces not supported at the moment");
 			return false;
 		}
+		for (auto& w : f->children) {
+			for (auto& e : w->children) {
+				if (e->basis && e->basis->kind() == taxonomy::BSPLINE_CURVE) {
+					Logger::Error("CGAL Kernel: B-spline edge curves not supported at the moment");
+					return false;
+				}
+			}
+		}
 	}
 	if (false && l->children.size() > 100) {
 		static double inf = 1.e9; //  std::numeric_limits<double>::infinity();