[vtkusers] Problems in applying an adaptive subdivision algorithm using vtk

[Dimitris Andritsos]

Hello David,

I can gladly be one of the testers of your class! I am aware of the paper 
that you are talking about. I tried it for a period but I couldn't get some 
usefull results mainly because I am using boolean operations and vtk is 
using the min max functions for constructing Booleans which have very poor 
differential properties. Now I am using R-Functions for constructing the 
implicit of the complex shapes which have better differential properties 
(and I am using central differences for gradient estimation) so I would 
really like to try your class under such an approach.

Thank you,
Dimitris

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