raster (version 1.8-12)

getValues: Get raster cell values

Description

getValues returns all values or a row of values for a Raster* object. It will take them from memory if available, else it will read them from disk. Function values is a shorthand version of getValues.

Usage

getValues(x, row, nrows, ...)
values(x, ...)

Arguments

x

Raster* object

row

Numeric. Row number, should be between 1 and nrow(x), or missing in which case all values are returned

nrows

Numeric. Number of rows. Should be an integer number > 0, or missing

...

Additional arguments, see Details

Value

• vector or matrix of raster values

Details

Additional arguments when x is a RasterLayer: format Character. specifiy the output format. Either "" or "matrix". The default is "", in which case a vector is returned. The values returned for a RasterStack or RasterBrick are always a matrix, with the rows representing cells, and the columns representing layers.

Examples

r <- raster(system.file("external/test.grd", package="raster"))
getValues(r)
getValues(r, row=10)