[R-sig-Geo] coarsening a grid

[Nick Matzke]

Hi all,

Maybe this is obvious but I can't seem to find anything on it.

I have loaded and displayed a small DEM grid (6 MB) with 
readGDAL.

Is there an easy way to coarsen it or downsample it?

Cheers!
Nick


-- 
====================================================
Nicholas J. Matzke
Ph.D. Candidate, Graduate Student Researcher

Huelsenbeck Lab
Center for Theoretical Evolutionary Genomics
4151 VLSB (Valley Life Sciences Building)
Department of Integrative Biology
University of California, Berkeley

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Principles of Phylogenetics: Ecology and Evolution
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