origin: Origin

In raster: Geographic Data Analysis and Modeling

Description

Origin returns (or sets) the coordinates of the point of origin of a Raster* object. This is the point closest to (0, 0) that you could get if you moved towards that point in steps of the x and y resolution.

Usage

origin(x, ...)
origin(x) <- value

Arguments

x	Raster* object
value	numeric vector of lenght 1 or 2
...	additional arguments. None implemented

Value

A vector of two numbers (x and y coordinates), or a changed origin for x.

See Also

extent

Examples

r <- raster(xmn=-0.5, xmx = 9.5, ncols=10)
origin(r)
r
origin(r) <- 0
r

Example output

Loading required package: sp
NOTE: rgdal::checkCRSArgs: no proj_defs.dat in PROJ.4 shared files
[1] 0.5 0.0
class       : RasterLayer 
dimensions  : 180, 10, 1800  (nrow, ncol, ncell)
resolution  : 1, 1  (x, y)
extent      : -0.5, 9.5, -90, 90  (xmin, xmax, ymin, ymax)
coord. ref. : +proj=longlat +datum=WGS84 +ellps=WGS84 +towgs84=0,0,0 

class       : RasterLayer 
dimensions  : 180, 10, 1800  (nrow, ncol, ncell)
resolution  : 1, 1  (x, y)
extent      : 0, 10, -90, 90  (xmin, xmax, ymin, ymax)
coord. ref. : +proj=longlat +datum=WGS84 +ellps=WGS84 +towgs84=0,0,0 

raster documentation built on Jan. 5, 2021, 3:01 a.m.