<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=us-ascii">
<META content="MSHTML 6.00.2800.1458" name=GENERATOR></HEAD>
<BODY>
<DIV><SPAN class=721482518-03092004><FONT face=Arial size=2>Hi,
David,</FONT></SPAN></DIV>
<DIV><SPAN class=721482518-03092004><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=721482518-03092004><FONT face=Arial size=2>It seems
vtkFieldData can only be added to vtkDataSet. That's a limitation.For example,
I have tried to add additional data(such as widget position and
orientation) to vtkAssembly by vtkFieldData,</FONT></SPAN><SPAN
class=721482518-03092004><FONT face=Arial size=2>but I can't find a way to do
it. Do you have some good idea?</FONT></SPAN></DIV>
<DIV><SPAN class=721482518-03092004><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=721482518-03092004><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=721482518-03092004><FONT face=Arial size=2>-
Derong</FONT></SPAN></DIV></BODY></HTML>