zoom(x, ...)zoom(x, extent=drawExtent(), maxpixels=100000, layer=1, new=TRUE, ...)
x a RasterLayer object
extent Extent object
maxpixels Maximum number of pixels used for the map
layer Positive integer to select the layer to be used if x is a mutilayer Raster object
new Logical. If TRUE, the zoomed in map will appear on a new device (window)
}drawExtent, plot