Get or set the map projection (also known as coordinate reference
system, crs) of DeponsRaster and DeponsTrack objects. For sp objects the
text string defining the crs is called the proj4string.
# S4 method for DeponsTrack
crs(x)# S4 method for DeponsShips
crs(x)
# S4 method for DeponsRaster
crs(x)
# S4 method for DeponsTrack
crs(x) <- value
# S4 method for DeponsShips
crs(x) <- value
# S4 method for DeponsRaster
crs(x) <- value
Object of class class DeponsRaster, DeponsShips or
DeponsTrack
proj4string identifying the map projection