Row or column number from a cell number

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

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))
#> [1] 5 5
rowFromCell(r, c(5,15))
#> [1] 1 2
rowColFromCell(r, c(5,15))
#>      row col
#> [1,]   1   5
#> [2,]   2   5