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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> You may implement a general
concrete vtkImplicitFunction subclass and evaluate whatever implicit
function, You just need define a method to get the implict function
evaluation function implementation.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2> []s</FONT></DIV>
<DIV><FONT face=Arial size=2> Elizeu Neto</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
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style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=a.dek@libero.it href="mailto:a.dek@libero.it">a.dek@libero.it</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=vtkusers@public.kitware.com
href="mailto:vtkusers@public.kitware.com">vtkusers@public.kitware.com</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, September 12, 2000 8:45
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [vtkusers] ELLIPSE</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial size=2>Hi!</FONT></DIV>
<DIV><FONT face=Arial size=2>Anybody could you tell me if there is a class
that computes the implicit function and function gradient for an ellipsoid as
for sphere,cone etc?</FONT></DIV>
<DIV><FONT face=Arial size=2>thanks in advance</FONT></DIV>
<DIV><FONT face=Arial size=2>Antonella</FONT></DIV></BLOCKQUOTE></BODY></HTML>