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<DIV><FONT face=Arial size=2>Hi :</FONT></DIV>
<DIV><FONT face=Arial size=2> <FONT face="Times New Roman"
size=3>I want to visual a surface with normal vector on it, i got that
vtkHedgeHog done this, but how can i denote the vector in <FONT size=1><FONT
size=1><FONT size=3>vtkPolyData, for</FONT> </FONT></FONT><FONT
size=3>vtkHedgeHog->SetInput is vtkPolyData.</FONT></FONT></FONT></DIV>
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<DIV><FONT face=Arial size=2>wish for your help!!!!!!!</FONT></DIV>
<DIV><FONT face=Arial size=2>longfei</FONT></DIV></BODY></HTML>