rowFromCell: Row or column number from a cell number

In raster: Geographic Data Analysis and Modeling

Description

These functions get the row and/or column number from a cell number of a Raster* object)

Usage

colFromCell(object, cell)
rowFromCell(object, cell)
rowColFromCell(object, cell)

Arguments

object	Raster* object (or a SpatialPixels* or SpatialGrid* object)
cell	cell number(s)

Details

The colFromCell and similar functions accept a single value, or a vector or list of these values, 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.

Value

row of column number(s)

See Also

cellFrom

Examples

r <- raster(ncols=10, nrows=10)
colFromCell(r, c(5,15))
rowFromCell(r, c(5,15))
rowColFromCell(r, c(5,15))

Example output

Loading required package: sp
NOTE: rgdal::checkCRSArgs: no proj_defs.dat in PROJ.4 shared files
NOTE: rgdal::checkCRSArgs: no proj_defs.dat in PROJ.4 shared files
[1] 5 5
NOTE: rgdal::checkCRSArgs: no proj_defs.dat in PROJ.4 shared files
[1] 1 2
NOTE: rgdal::checkCRSArgs: no proj_defs.dat in PROJ.4 shared files
     row col
[1,]   1   5
[2,]   2   5

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