From d52f12973af5b706c9d4dcab5e73ad23efbebe96 Mon Sep 17 00:00:00 2001
From: Richard Brice <37087370+RickBrice@users.noreply.github.com>
Date: Mon, 16 Oct 2023 14:13:43 -0700
Subject: [PATCH] Mapping of vertical profiles with IfcGradientCurve

---
 src/ifcgeom/mapping/IfcGradientCurve.cpp | 2 +-
 src/ifcgeom/mapping/mapping.i            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ifcgeom/mapping/IfcGradientCurve.cpp b/src/ifcgeom/mapping/IfcGradientCurve.cpp
index 67596b291c..969d07eee0 100644
--- a/src/ifcgeom/mapping/IfcGradientCurve.cpp
+++ b/src/ifcgeom/mapping/IfcGradientCurve.cpp
@@ -51,7 +51,7 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcGradientCurve* inst) {
 		auto xy = horizontal->evaluate(u);
 		auto z = vertical->evaluate(u);
 		Eigen::VectorXd vec(3);
-		vec << xy(0), xy(1), z(2);
+		vec << xy(0), xy(1), z(1);
 		return vec;
 	};
 
diff --git a/src/ifcgeom/mapping/mapping.i b/src/ifcgeom/mapping/mapping.i
index 5a1dc62572..57de49a16d 100644
--- a/src/ifcgeom/mapping/mapping.i
+++ b/src/ifcgeom/mapping/mapping.i
@@ -113,10 +113,10 @@ BIND(IfcEdge);
 BIND(IfcEdgeLoop);
 BIND(IfcPolyline);
 BIND(IfcPolyLoop);
-BIND(IfcCompositeCurve);
 #ifdef SCHEMA_HAS_IfcGradientCurve
 BIND(IfcGradientCurve);
 #endif
+BIND(IfcCompositeCurve);
 BIND(IfcTrimmedCurve);
 BIND(IfcArbitraryOpenProfileDef);
 #ifdef SCHEMA_HAS_IfcIndexedPolyCurve