[R-sig-Geo] how interpolate the map to bigger one use raster

Lionel s6lihert at uni-bonn.de
Sun Apr 28 14:12:25 CEST 2013


See the disaggregate function from the package raster.
As for the method you have (to my knowledge) two choices: whether to 
have the smaller pixels take the same value as the bigger ones 
(method=''), or use a bilinear resampling (method='bilinear').

Happy mapping,

Lionel Hertzog

On 28/04/2013 13:31, 孔晓泉 wrote:
> hi, everyone:
> i am a new guy to raster. i have read some documents for raster, but i
> still don't know how interpolate a map from resolution "0.5 degree" to "5
> minute", can some one tell how to do. if you know which is the best
> interpolate method for population density map, that's even more wonderful.
> thank you!
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