From: apo <apo@opencascade.com>
Date: Thu, 27 Apr 2006 14:02:15 +0000 (+0000)
Subject: Fix for Bug12312 TC: SIGFPE exception is raised during nodes selection in VTK viewer... 
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=a5b057181b112ef494e0813a29134b4c4b432d02;p=modules%2Fgui.git

Fix for Bug12312 TC: SIGFPE exception is raised during nodes selection in VTK viewer when "Add Node" dialog is opened.
(addtional check were introduced before applying value to the SetNumberOfCloudPoints method)
---

diff --git a/src/VTKViewer/VTKViewer_Actor.cxx b/src/VTKViewer/VTKViewer_Actor.cxx
index 168149018..d171c8572 100755
--- a/src/VTKViewer/VTKViewer_Actor.cxx
+++ b/src/VTKViewer/VTKViewer_Actor.cxx
@@ -198,8 +198,12 @@ void
 VTKViewer_Actor
 ::Render(vtkRenderer *ren, vtkMapper* m)
 {
-  static vtkFloatingPointType PERCENTS_OF_DETAILS = 0.50;
-  SetNumberOfCloudPoints(vtkIdType(GetInput()->GetNumberOfPoints()*PERCENTS_OF_DETAILS));
+  if(vtkDataSet* aDataSet = GetInput()){
+    static vtkFloatingPointType PERCENTS_OF_DETAILS = 0.50;
+    vtkIdType aNbOfPoints = vtkIdType(aDataSet->GetNumberOfPoints()*PERCENTS_OF_DETAILS);
+    if(aNbOfPoints > 0)
+      SetNumberOfCloudPoints(aNbOfPoints);
+  }
 
   if(myIsResolveCoincidentTopology){
     int aResolveCoincidentTopology = vtkMapper::GetResolveCoincidentTopology();