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<DIV><FONT face=Arial size=2>hello!</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2> I clipped a surface with a plane and I
only<STRONG> want to get the polygons which are within the
clipping-plane</STRONG> (=<FONT
face="Times New Roman">BoundaryCells</FONT>).</FONT></DIV>
<DIV><FONT face=Arial size=2>With the "<FONT
face="Times New Roman">vtkExtractPolyDataGeometry</FONT>" I get the the
"<FONT face="Times New Roman">BoundaryCells</FONT>" plus the surface above or
below the <FONT face="Times New Roman">"BoundaryCells"</FONT>!</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2> thanx for your help!</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>code:</FONT></DIV>
<DIV><FONT size=2>
<P>vtkExtractPolyDataGeometry* extract = vtkExtractPolyDataGeometry::New();</P>
<P>extract->SetInput(objectContainer4);</P>
<P>extract->SetImplicitFunction(plane);</P>
<P>extract->ExtractInsideOff();</P>
<P>extract->ExtractBoundaryCellsOn();</P>
<P>extract->Update();</P></FONT></DIV></BODY></HTML>