[Gmsh] about background fields

[Jeremy Theler]

what about Shepard or Modified Shepard?
https://en.wikipedia.org/wiki/Inverse_distance_weighting id="-x-evo-
selection-start-marker">

On Tue, 2019-02-19 at 12:00 +0100, Christophe Geuzaine wrote:
> > On 18 Feb 2019, at 16:36, Alessandro Vicini <alessandro.vicini at sita
> > el.com> wrote:
> > 
> > 
> > I was wondering whether it could be possible in one of next
> > releases to assign a mesh background field through a list of points
> > with associated control length, i.e.:
> > 
> > [x, y, z, lc]_i , i=1,...,N
> > 
> > This would be quite handy for an automatic grid refinement
> > procedure...  
> 
> The issue is that we need to be able to interpolate the values.
> Without a mesh you could use e.g. radial basis functions. Feel free
> to submit a merge request with such a field: it could indeed be
> interesting!
> 
> Christophe
> 
> 
> 
> > A.
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> 
> — 
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science 
> http://www.montefiore.ulg.ac.be/~geuzaine
> 
> 
> 
> 
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