Raster package internal object properties
.raster_nrows(r_obj, ...).raster_ncols(r_obj, ...)
.raster_nlayers(r_obj, ...)
.raster_xmax(r_obj, ...)
.raster_xmin(r_obj, ...)
.raster_ymax(r_obj, ...)
.raster_ymin(r_obj, ...)
.raster_xres(r_obj, ...)
.raster_yres(r_obj, ...)
.raster_crs(r_obj, ...)
raster package object
additional parameters to be passed to raster package
raster object spatial properties