[R-sig-Geo] Subsetting RasterBrick very slow

Robert Hijmans r.hijmans at gmail.com
Tue Jul 5 12:15:24 CEST 2011

> The package 'raster' provides excellent tools to work on geographic 
> data. Subsetting a RasterBrick object, however, takes ages. 


Thanks for reporting this. I have improved the subset routine in raster
version 1.8-39 (on CRAN now for linux, but not built yet for win and mac).
In some cases nearly 1000x faster, as you also reported, but other cases
need further optimization. 


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