projection {raster} | R Documentation |
Get or set a coordinate reference system (projection)
Description
Get or set the coordinate reference system (CRS) of a Raster* object.
Usage
## S4 method for signature 'ANY'
crs(x, asText=FALSE, ...)
## S4 method for signature 'Raster'
wkt(obj)
crs(x, ...) <- value
projection(x, asText=TRUE)
projection(x) <- value
Arguments
x |
Raster* or Spatial object |
obj |
Raster*, Spatial, or CRS object |
asText |
logical. If |
... |
additional arguments. None implemented |
value |
|
Details
projections are done by with the PROJ library
Value
Raster*, Spatial*, or character object
Note
crs
replaces earlier function projection
.
For compatibility with sp
you can use proj4string
instead of crs
.
wkt
returns the "well-known-text" representation of the crs.
See Also
Examples
r <- raster()
crs(r)
crs(r) <- "+proj=lcc +lat_1=48 +lat_2=33 +lon_0=-100 +datum=WGS84"
crs(r)
w <- wkt(r)
w
cat(w, "\n")
[Package raster version 3.6-26 Index]