From 59fa9c090b55371adfe4207fcc550fbb02358119 Mon Sep 17 00:00:00 2001
From: mzn <mzn@opencascade.com>
Date: Fri, 13 Dec 2013 06:07:40 +0000
Subject: [PATCH] Bug #217: Fatal error during creation of polyline.

---
 src/HYDROData/HYDROData_PolylineXY.cxx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/HYDROData/HYDROData_PolylineXY.cxx b/src/HYDROData/HYDROData_PolylineXY.cxx
index 776e7db0..2032ba0b 100755
--- a/src/HYDROData/HYDROData_PolylineXY.cxx
+++ b/src/HYDROData/HYDROData_PolylineXY.cxx
@@ -232,8 +232,10 @@ void HYDROData_PolylineXY::Update()
     }
 
     TopoDS_Wire aSectionWire = BuildWire( aSectionType, anIsSectionClosed, aPoints );
-    aSectionWiresList.Append( aSectionWire );
-    aMakeWire.Add( aSectionWire );
+    if ( !aSectionWire.IsNull() ) {
+      aSectionWiresList.Append( aSectionWire );
+      aMakeWire.Add( aSectionWire );
+    }
   }
 
   TopoDS_Shape aShape;
-- 
2.39.2