[vtkusers] Need for spherical to cartesian nonlinear transformation.

[David Gobbi]

Hi Roland,

I've already written one, but wasn't sure if it was worth committing.
I can commit it over the weekend and email you a copy later today.  It
works as you describe, it is derived directly from vtkAbstractTransform
and it defines the inverse analytically.

 - David

--
  David Gobbi, MSc                       dgobbi at irus.rri.ca
  Advanced Imaging Research Group
  Robarts Research Institute, University of Western Ontario

On Thu, 21 Mar 2002, Roland Schwarz wrote:

> I am about to write a spherical to cartesian transformation class.
>
> Before I start work I'd like to ask if anyone already has done this?
> In this case I kindly would ask if he/she would share the code?
>
> BTW.: I am considering to directly derive from vtkAbstractTransform. There
> is another class called vtkWarpTransform. Is this a better candidate for my
> task? As far as I can see the difference is that the latter can do inverse
> by newtons method, which I do not consider meaningful in my case since my
> transform as well as its inverse are defined analytically.
>
> Thank you,
> Roland
>
>
>
>
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