From 6fd779c2be83170b59d183f5374898c7beafd87a Mon Sep 17 00:00:00 2001
From: Marius Kintel <marius@kintel.net>
Date: Wed, 21 Dec 2011 18:03:23 +0100
Subject: bugfix: render() statement containing only 2D geometry caused a crash


diff --git a/src/PolySetCGALEvaluator.cc b/src/PolySetCGALEvaluator.cc
index 7a9566b..3285b46 100644
--- a/src/PolySetCGALEvaluator.cc
+++ b/src/PolySetCGALEvaluator.cc
@@ -396,7 +396,7 @@ PolySet *PolySetCGALEvaluator::evaluatePolySet(const RenderNode &node)
 	CGAL_Nef_polyhedron N = this->cgalevaluator.evaluateCGALMesh(node);
 	PolySet *ps = NULL;
 	if (!N.empty()) {
-		if (!N.p3->is_simple()) {
+		if (N.dim == 3 && !N.p3->is_simple()) {
 			PRINTF("WARNING: Body of render() isn't valid 2-manifold!");
 		}
 		else {
-- 
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