raster (version 1.1.7)

rotate: Rotate

Description

Rotate a RasterLayer that has x coordinates (longitude) from 0 to 360, to standard coordinates between -180 and 180 degrees. Longitude between 0 and 360 is frequently used in data from global climate models.

Usage

rotate(x, ...)

Arguments

x

a RasterLayer object

...

Additional arguments, see Details

Value

• a RasterLayer

Details

The following additional arguments can be passed, to replace default values for this function lll{ filename Character. Output filename format Character. Output file type. See writeRaster datatype Character. Output data type. See dataType overwrite Logical. If TRUE, "filename" will be overwritten if it exists progress Character. Valid values are "text", "tcltk", "windows" (on that platform only) and "" }

See Also

flip

Examples

r <- raster(nrow=18, ncol=36)
m <- matrix(1:ncell(r), nrow=18)
r[] <- as.vector(t(m))
extent(r) <- extent(0, 360, -90, 90)
rr <- rotate(r)