From 4ea76aea759f72ac4f0ff6812c9e98fb5c4b3c2a Mon Sep 17 00:00:00 2001
From: dbv <dbv@opencascade.com>
Date: Sat, 14 Oct 2017 18:14:06 +0300
Subject: [PATCH] 0029229: Crash at Poly_Triangulation::Normal

Fixed creation of returning gp_Dir
---
 src/Poly/Poly_Triangulation.cxx | 9 ++++-----
 src/Poly/Poly_Triangulation.hxx | 2 +-
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/Poly/Poly_Triangulation.cxx b/src/Poly/Poly_Triangulation.cxx
index eba4b21ed9..3a361d076a 100644
--- a/src/Poly/Poly_Triangulation.cxx
+++ b/src/Poly/Poly_Triangulation.cxx
@@ -296,17 +296,16 @@ void Poly_Triangulation::SetNormal (const Standard_Integer theIndex, const gp_Di
 //purpose  : 
 //=======================================================================
 
-const gp_Dir Poly_Triangulation::Normal (const Standard_Integer theIndex) const
+gp_Dir Poly_Triangulation::Normal (const Standard_Integer theIndex) const
 {
   if (myNormals.IsNull() || theIndex < 1 || theIndex > myNodes.Size())
   {
     throw Standard_NullObject ("Poly_Triangulation::Normal : empty array or index out of range");
   }
 
-  gp_Dir N;
-  N.SetX(myNormals->Value(theIndex * 3 - 2));
-  N.SetY(myNormals->Value(theIndex * 3 - 1));
-  N.SetZ(myNormals->Value(theIndex * 3));
+  gp_Dir N(myNormals->Value(theIndex * 3 - 2),
+           myNormals->Value(theIndex * 3 - 1),
+           myNormals->Value(theIndex * 3));
 
   return N;
 }
diff --git a/src/Poly/Poly_Triangulation.hxx b/src/Poly/Poly_Triangulation.hxx
index 80670786f6..a92e85ddca 100644
--- a/src/Poly/Poly_Triangulation.hxx
+++ b/src/Poly/Poly_Triangulation.hxx
@@ -189,7 +189,7 @@ public:
 
   //! @return normal at the given index.
   //! Raises Standard_OutOfRange exception.
-  Standard_EXPORT const gp_Dir Normal (const Standard_Integer theIndex) const;
+  Standard_EXPORT gp_Dir Normal (const Standard_Integer theIndex) const;
 
   //! Changes normal at the given index.
   //! Raises Standard_OutOfRange exception.