cellsFromExtent {raster} | R Documentation |
This function returns the cell numbers for a Raster* object that are within a specfied extent (rectangular area), supply an object of class Extent, or another Raster* object.
cellsFromExtent(object, extent, expand=FALSE)
object |
A Raster* object |
extent |
An object of class Extent (which you can create with newExtent(), or another Raster* object ) |
expand |
Logical. If |
a vector of cell numbers
r <- raster() bb <- extent(-5, 5, -5, 5) cells <- cellsFromExtent(r, bb) r <- crop(r, bb) r[] <- cells