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Ok, I´m really, really sorry. <br>Of course I have to put the vtkStandardNewMacro(vtkHorizontalAverage) in the .cxx-file and not in the .h-file, everything works fine now. <br>Sometimes (at least I hope it is just sometimes!!) I am so stupid.. <br><br>NH<br><br /><hr />Express yourself instantly with MSN Messenger! <a href='http://clk.atdmt.com/AVE/go/onm00200471ave/direct/01/' target='_new'>MSN Messenger</a></body>
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