From: abd <abd@opencascade.com>
Date: Thu, 10 Aug 2006 06:08:40 +0000 (+0000)
Subject: Bug SWP12863
X-Git-Tag: LAST_STABLE_VERSION_21_09_2006_ON_3_2_0~44
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=9ad489fa8754642210dbe2c3fcab85847e9aed98;p=modules%2Fgui.git

Bug SWP12863
Protection for empty shrink data
---

diff --git a/src/SVTK/SVTK_DeviceActor.cxx b/src/SVTK/SVTK_DeviceActor.cxx
index 279015efd..33d8f1246 100644
--- a/src/SVTK/SVTK_DeviceActor.cxx
+++ b/src/SVTK/SVTK_DeviceActor.cxx
@@ -249,8 +249,14 @@ SVTK_DeviceActor
 {
   if ( !myIsShrinkable ) 
     return;
+  
   if ( vtkDataSet* aDataSet = myPassFilter[ 0 ]->GetOutput() )
-  {
+  {     
+    int numCells=aDataSet->GetNumberOfCells();
+    int numPts = aDataSet->GetNumberOfPoints();
+    //It's impossible to use to apply "shrink" for "empty" dataset
+    if (numCells < 1 || numPts < 1)
+ 	    return;
     myShrinkFilter->SetInput( aDataSet );
     myPassFilter[ 1 ]->SetInput( myShrinkFilter->GetOutput() );
     myIsShrunk = true;