[vtkusers] Scalar value minima in PolyData

[Kevin H. Hobbs]

On Thu, 2007-11-22 at 00:56 +0100, Dominik Szczerba wrote:
> I mean, to threshold it, and get candidate minima.
> -- Dominik
> 
> On Thursday 22 November 2007 00.39:17 Dominik Szczerba wrote:
> > What about computing the gradient first?
> > -- Dominik
> >

Thank you Dominik,

I almost reached for the multi-variable calculus book and recalled
something about many partial derivatives and second derivatives, but I
just think there are too many problems due to a poly data not being a
continuous function.
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