From c32371db75711f7df7f34f5596dec265c1f60ac7 Mon Sep 17 00:00:00 2001
From: mpa <mpa@opencascade.com>
Date: Tue, 15 Jul 2014 12:55:05 +0400
Subject: [PATCH] INT PAL 0052437: Manage dimentions with arguments "Parallel
 edges" does not work correctly

---
 src/MeasureGUI/MeasureGUI_DimensionCreateTool.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/MeasureGUI/MeasureGUI_DimensionCreateTool.cxx b/src/MeasureGUI/MeasureGUI_DimensionCreateTool.cxx
index 9ae10135a..b571b61c7 100644
--- a/src/MeasureGUI/MeasureGUI_DimensionCreateTool.cxx
+++ b/src/MeasureGUI/MeasureGUI_DimensionCreateTool.cxx
@@ -407,6 +407,9 @@ Handle(AIS_LengthDimension) MeasureGUI_DimensionCreateTool::LengthByParallelEdge
     return NULL;
   }
 
+  if( aFirstSh == aSecondSh )
+    return NULL;
+
   TopoDS_Edge aFirstEdge  = TopoDS::Edge( aFirstSh );
   TopoDS_Edge aSecondEdge = TopoDS::Edge( aSecondSh );
 
-- 
2.39.2