From c33f68fb999d5198ebaa4e3291df8cece22e46d0 Mon Sep 17 00:00:00 2001
From: Richard Brice <37087370+RickBrice@users.noreply.github.com>
Date: Tue, 12 Dec 2023 14:58:18 -0800
Subject: [PATCH] Adds check for placement relative to self

---
 src/ifcparse/IfcHierarchyHelper.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/ifcparse/IfcHierarchyHelper.cpp b/src/ifcparse/IfcHierarchyHelper.cpp
index f8e5d8d378..04f1be90f1 100644
--- a/src/ifcparse/IfcHierarchyHelper.cpp
+++ b/src/ifcparse/IfcHierarchyHelper.cpp
@@ -156,7 +156,11 @@ void IfcHierarchyHelper<Schema>::relatePlacements(typename Schema::IfcProduct* p
     if (place && place->declaration().is(Schema::IfcLocalPlacement::Class())) {
         typename Schema::IfcLocalPlacement* local_place = (typename Schema::IfcLocalPlacement*)place;
         if (parent->ObjectPlacement()) {
-            local_place->setPlacementRelTo(parent->ObjectPlacement());
+            if (local_place != parent->ObjectPlacement()) {
+                local_place->setPlacementRelTo(parent->ObjectPlacement());
+            } else {
+                Logger::Notice("Placement cannot be relative to self");
+            }
         }
     }
 }