[GRASS-user] IDW (or similar) and cost surface

[Facundo Muñoz]

I have implemented a while ago a cost-based kriging that I used exactly 
in that way.
You can see the paper and sample code here:
http://www.geeitema.org/guenmap/index.jsp?opcion=resultados&idioma=en

There is a GRASS script that helps to compute the cost-based distances, 
and then there is an adapted geoR library that performs the cost-based 
kriging computations.

Let me know if you need help in applying it to your case.
    ƒacu.-


El mar 06 dic 2011 18:11:52 CET, G. Allegri escribió:
> Does anyone know of implementations of an IDW (or other distance
> weighted interpolators) which can use a cost surface as a
> supplementary weighting factor?
> I'm exploring solutions to do spatially constrained interpolation, and
> modelling barriers through cost surfaces could be a way to do it...
>
> thanks,
> giovanni
>
>
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