raster (version 1.8-3)

as.matrix: Get a matrix with raster cell values

Description

as.matrix returns all values of a Raster* object as a matrix. For RasterLayers, rows and columns in the matrix represent rows and columns in the RasterLayer object. For other Raster* objects, the matrix returned by as.matrix has columns for each layer and rows for each cell. as.array returns an array of matrices that are like those returned by as.matrix for a RasterLayer If there is insufficient memory to load all values, you can use getValues or getValuesBlock to read chunks of the file.

Usage

as.matrix(x, ...)
as.array(x, ...)

Arguments

x

Raster* object

...

Additional arguments. maxpixels Integer. To regularly subsample very large objects

Value

• matrix or array

Examples

r <- raster(ncol=3, nrow=3)
r[] = 1:ncell(r)
as.matrix(r)
s <- stack(r,r)
as.array(s)