From e8bb75d6c6e460d4d8df1392fbac644ca9330541 Mon Sep 17 00:00:00 2001
From: enk <enk@opencascade.com>
Date: Wed, 5 Jul 2006 14:49:36 +0000
Subject: [PATCH] Fix for bug PAL12711 and PAL12710.

---
 src/VTKViewer/VTKViewer_ConvexTool.cxx | 12 ++++++++++--
 src/VTKViewer/VTKViewer_ConvexTool.h   |  3 +++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/VTKViewer/VTKViewer_ConvexTool.cxx b/src/VTKViewer/VTKViewer_ConvexTool.cxx
index b8064df2b..7c66519fd 100644
--- a/src/VTKViewer/VTKViewer_ConvexTool.cxx
+++ b/src/VTKViewer/VTKViewer_ConvexTool.cxx
@@ -524,10 +524,15 @@ VTKViewer_DelaunayTriangulator
     }
   }
 
+  return myPoints;
+}
+
+void
+VTKViewer_DelaunayTriangulator
+::UpdatePolyData()
+{
   myGeometryFilter->Update();
   myPolyData = myGeometryFilter->GetOutput();
-
-  return myPoints;
 }
 
 vtkIdType 
@@ -548,6 +553,7 @@ vtkFloatingPointType
 VTKViewer_DelaunayTriangulator
 ::GetCellLength()
 {
+  if(!myPolyData) this->UpdatePolyData();
   return myPolyData->GetLength();
 }
 
@@ -555,6 +561,7 @@ vtkIdType
 VTKViewer_DelaunayTriangulator
 ::GetNumFaces()
 {
+  if(!myPolyData) this->UpdatePolyData();
   return myPolyData->GetNumberOfCells();
 }
 
@@ -562,6 +569,7 @@ vtkCell*
 VTKViewer_DelaunayTriangulator
 ::GetFace(vtkIdType theFaceId)
 {
+  if(!myPolyData) this->UpdatePolyData();
   return myPolyData->GetCell(theFaceId);
 }
 
diff --git a/src/VTKViewer/VTKViewer_ConvexTool.h b/src/VTKViewer/VTKViewer_ConvexTool.h
index 2bf024d5e..e6de8106b 100644
--- a/src/VTKViewer/VTKViewer_ConvexTool.h
+++ b/src/VTKViewer/VTKViewer_ConvexTool.h
@@ -197,6 +197,9 @@ class VTKVIEWER_EXPORT VTKViewer_DelaunayTriangulator : public VTKViewer_Triangu
   virtual
   vtkIdType 
   GetConnectivity(vtkIdType thePntId);
+
+  void UpdatePolyData();
+  
 };
 
 
-- 
2.39.2