Method convert

src/ifcgeom/kernels/opencascade/face.cpp:263–599

}

bool OpenCascadeKernel::convert(const taxonomy::face::ptr face, TopoDS_Shape& result, bool reversed_surface) {
#ifdef IFOPSH_DEBUG
	std::ostringstream oss;
	face->print(oss);
	auto osss = oss.str();
	std::wcout << osss.c_str() << std::endl;
#endif

	face_definition fd;

	// 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);
	}

	const int num_bounds = face->children.size();
	int num_outer_bounds = 0;

	for (auto& bound : face->children) {
		if (bound->external.get_value_or(false)) {
			num_outer_bounds++;
		}
	}

	// The number of outer bounds should be one according to the schema. Also Open Cascade
	// expects this, but it is not strictly checked. Regardless, if the number is greater,
	// the face will still be processed as long as there are no holes. A compound of faces
	// is returned in that case.
	if (num_bounds > 1 && num_outer_bounds > 1 && num_bounds != num_outer_bounds) {
		Logger::Message(Logger::LOG_ERROR, "Invalid configuration of boundaries for:", face->instance);
		return false;
	}

	if (num_outer_bounds > 1) {
		Logger::Message(Logger::LOG_WARNING, "Multiple outer boundaries for:", face->instance);
		fd.all_outer() = true;
	}

	TopTools_DataMapOfShapeInteger wire_senses;

	for (int process_interior = 0; process_interior <= 1; ++process_interior) {
		for (auto& bound : face->children) {
			bool same_sense = true; /* todo bound->Orientation(); */

			const bool is_interior =
				!bound->external.get_value_or(false) &&
				(num_bounds > 1) &&
				(num_outer_bounds < num_bounds);

			// The exterior face boundary is processed first
			if (is_interior == !process_interior) continue;

			TopoDS_Wire wire;
			if (faceset_helper_ && bound->is_polyhedron()) {
				if (!faceset_helper_->wire(bound, wire)) {
					Logger::Message(Logger::LOG_WARNING, "Face boundary loop not included", bound->instance);
					continue;
				}