[vtkusers] vtkImplicitWindowFunction

[Ron Inbar]

Hi all,

vtkImplicitWindowFunction doesn't behave at all as I expect it to.  The
mapping doesn't look anything close to linear.  Would anyone care to explain
in his/her own words what it's supposed to do.  Please don't quote the man
page, because that one wasn't any good in explaining the behavior I
experienced.

More specifically, what I did was the following:

vtkSphere s
s SetRadius 1

vtkImplicitWindowFunction w
w SetImplicitFunction s

and then I evaluated s and w at several points (the same points for both
functions, of course).  I tried to find a relation between the two
functions' values, but to no avail.

Thanks in advance,

Ron