From 4b32381192fcd4d2b77831a18ab5f5081ed0e5d8 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Thu, 21 Mar 2024 09:44:40 +0100
Subject: [PATCH] Don't fail on product without placement

---
 src/ifcgeom/mapping/IfcProduct.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ifcgeom/mapping/IfcProduct.cpp b/src/ifcgeom/mapping/IfcProduct.cpp
index 5c48dbfe6d..03cf3555ed 100644
--- a/src/ifcgeom/mapping/IfcProduct.cpp
+++ b/src/ifcgeom/mapping/IfcProduct.cpp
@@ -8,7 +8,12 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcProduct* inst) {
 	// @todo decide on this, what happens in the product mapping?
 	// currently things like openings, layers and materials are processed in the converter
 	auto c = taxonomy::make<taxonomy::collection>();
-	c->matrix = taxonomy::cast<taxonomy::matrix4>(map(inst->ObjectPlacement()));
+	if (inst->ObjectPlacement()) {
+		c->matrix = taxonomy::cast<taxonomy::matrix4>(map(inst->ObjectPlacement()));
+	} else {
+		// @todo Otherwise we get crashes in the serializer, but maybe fix them there..?
+		c->matrix = taxonomy::make<taxonomy::matrix4>();
+	}
 	return c;
 
 	/*