From 8c684d855bd28db57889a5fc78c0bdd3e638f7a8 Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Fri, 22 Nov 2013 04:59:18 +0000
Subject: [PATCH] Fix for the #trefs 121: undo leads error

---
 src/HYDROCurveCreator/CurveCreator_Curve.cxx | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/HYDROCurveCreator/CurveCreator_Curve.cxx b/src/HYDROCurveCreator/CurveCreator_Curve.cxx
index a05c4836..a07b1316 100644
--- a/src/HYDROCurveCreator/CurveCreator_Curve.cxx
+++ b/src/HYDROCurveCreator/CurveCreator_Curve.cxx
@@ -654,7 +654,8 @@ int CurveCreator_Curve::getNbPoints( const int theISection ) const
       aNbCoords += mySections[i]->myPoints.size();
     }
   } else {
-    aNbCoords = mySections.at(theISection)->myPoints.size();
+    if ( ( theISection >= 0 ) && ( theISection < mySections.size() ) )
+      aNbCoords = mySections.at(theISection)->myPoints.size();
   }
 
   return aNbCoords/myDimension;
@@ -1002,7 +1003,12 @@ CurveCreator::Coordinates CurveCreator_Curve::getPoint( const int theISection,
 //=======================================================================
 CurveCreator::Coordinates CurveCreator_Curve::getPoints( const int theISection ) const
 {
-  return mySections.at(theISection)->myPoints;
+  CurveCreator::Coordinates aCoords;
+  if ( ( theISection >= 0 ) && ( theISection < mySections.size() ) )
+  {
+    aCoords = mySections.at(theISection)->myPoints;
+  }
+  return aCoords;
 }
 
 
-- 
2.39.2