Check out soap film smoothing in packages by Simon Wood

On Monday, September 17, 2012, Camilo Mora wrote:

> Hi everyone,
>
> I have some point data over the entire world that i want to interpolate to
> a raster with resolution of 1 degree.
>
> I have been able to work the code for IDW and Spline in the raster package
> in R....but I wonder if there is a way to include a barrier to the
> interpolations?. In ArcGis several interpolations allow for the use of
> barriers beyond which interpolation is stopped. Is there an analogous
> feature in r?
>
> I note that the results of IDW and Spline interpolate over land and my
> worry is that in certain places like the panama, data from the pacific may
> be used to interpolate the caribbean and viceversa.
>
> Any advice will be greatly appreciate.
>
> Thanks,
>
> Camilo
>
> Camilo Mora, Ph.D.
> Department of Geography, University of Hawaii
> Currently available in Colombia
> Phone:   Country code: 57
>          Provider code: 313
>          Phone 776 2282
>          From the USA or Canada you have to dial 011 57 313 776 2282
> http://www.soc.hawaii.edu/**mora/ <http://www.soc.hawaii.edu/mora/>
>
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>


-- 
Michael Sumner
Hobart, Australia
e-mail: mdsumner@gmail.com

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