I am building a map for the northeastern U.S.A. The map background needs to be either an altitude map or a mean annual temperature map. I have two rasters from Worldclim.org which give me these ...
Given a Spatial object in R, how do I clip all of its elements to lie within a bounding box? There are two things I'd like to do (ideally I'd know how to do both, but either is an acceptable solution ...