Fixing bugs

src/ifcgeom/mapping/IfcSegmentedReferenceCurve.cpp

@@ -52,8 +52,15 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcSegmentedReferenceCurve* ins
 	auto composition = [gradient, cant](double u)->Eigen::Matrix4d {
 		auto xyz = gradient->evaluate(u);
 		auto c = cant->evaluate(u);
+
+      // when cant results are combined with the gradient curve
+      // the x-location will be added which doubles them
+      // for this reason, set x location to 0
       c.col(3)(0) = 0;
-      std::swap(c.col(3)(1),c.col(3)(2));
+
+      std::swap(c.col(3)(1), c.col(3)(2));
+      //c.col(0).swap(c.col(1));
+
       Eigen::Matrix4d m;
       m = xyz * c;
       return m;