[vtk-developers] FYI: Parametric functions...

[Will Schroeder]

Yes Mike, I had noticed that the piecewise linear might fit into the 
parametric structure. I like your idea for filter kernels. I will keep this 
in mind as I move forward....we are just working flat out right now so it's 
hard to do it all!!
Will

At 11:15 AM 2/1/2005, Michael Halle wrote:

>On Feb 1, 2005, at 10:52 AM, Will Schroeder wrote:
>
>>Here's an update on some new classes going into VTK: the 
>>vtkParametricFunctions.
>>
>>+ A long time ago Bill L. checked in the Cardinal and Kochanek splines. 
>>They are very nice, and I've been wanting to better integrate them into 
>>VTK. For example, provide ways to easily interpolate 3D points (in the 
>>past you had to create three splines for each of x-y-z, etc.) Since that 
>>time, I've also been working on a framework to allow different splines to 
>>be plugged in (hence the vtkSpline superclass).
>
>That's super.  I've wanted this functionality for a long
>time.  Thanks!
>
>Now, to look a gift horse in the mouth, admire his teeth,
>and ask if he can race :), what are the chances for a
>complete unification of the various functions in VTK?
>
>There are the spline functions, the piecewise linear
>functions for volume rendering, and the implicit functions.
>I could even see them in filter kernels. It would be really
>great to be able to have a vtkFunction superclass for all
>of them, and be able to consolidate them all to some extent.
>Seems like there's plenty of commonality, especially when
>you go to higher dimensions with separable functions.
>
>--Mike
>mhalle @ bwh.harvard.edu
>
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