[R-sig-Geo] Interpolation or TIN with break lines/barriers

[Dylan Beaudette]

On Wednesday 10 June 2009, Hollister.Jeff at epamail.epa.gov wrote:
> All,
>
> I am attempting to try various methods for calculating lake volume from
> a bathymetry survey of a lake (x, y, and depth).
>
> As a long time ESRI user who is now trying to cut the cord, I would
> normally do this with, IDW with barriers, a TIN with masspoints (depth
> soundings) and a hardline (lake shoreline), etc.
>
> Is there currently an R analog for this?
>
> Thanks,
> Jeff

Not sure about R, but the r.lake module in GRASS may be of interest.

Cheers,
Dylan


>
> ***************************
> Dr. Jeffrey W. Hollister
> US EPA
> Atlantic Ecology Division
> 27 Tarzwell Drive
> Narragansett, RI 02882
> (401) 782-9655
>
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-- 
Dylan Beaudette
Soil Resource Laboratory
http://casoilresource.lawr.ucdavis.edu/
University of California at Davis
530.754.7341