raster (version 1.1.7)

rasterFromCells: Subset a raster by cell numbers

Description

This function returns a new raster based on an existing raster and cell numbers for that raster. The new raster is cropped to the cellnumbers provided, and has values that are the cell numbers of the original raster.

Usage

rasterFromCells(object, cells)

Arguments

object

Raster* object (or a SpatialPixels* or SpatialGrid* object)

cells

vector of cell numbers

Value

• A RasterLayer

Details

Cell numbers start at 1 in the upper left corner, and increase from left to right, and then from top to bottom The last cell number equals the number of cells of the Raster* object.

See Also

rowFromCell

Examples

r <- raster(ncols=100, nrows=100)
cells <- c(3:5, 210)
r <- rasterFromCells(r, cells)
cbind(1:ncell(r), values(r))