[R-sig-Geo] (Linear) interpolation in three (or more) dimensions
kridox at ymail.com
Tue Jun 3 08:35:48 CEST 2014
The DINEOF method is designed for problems as yours.
There is an implementation in R here
but it doesn't directly work on Raster* object.
Hope this helps,
On Tue, Jun 3, 2014 at 3:27 PM, Mark Payne <markpayneatwork at gmail.com> wrote:
> I have a dataset that consists of satellite observations on a regular
> lon-lat grid at taken at regularly time pointts. Unfortunately due to cloud
> cover, there are gaps dispersed semi-randomly throughout the 3D data array.
> I would like to fill these gaps.
> The "best" solution I guess is space-time kriging, if memory limitations
> permit. But before I go that far, I would like to do a simple 3D linear
> interpolation to fill the gaps i.e interpolating the temperature at the
> missing (lon, lat, time) points.
> The akima package does an excellent job of this in 2D, but doesn't support
> higher dimensionality. Does anyone know of a function that supports three
> or more dimensions?
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