cells: Cells

In hypertidy/vaster: Tools for Raster Grid Logic

Cells

Description

Functions that work with cells.

Usage

cell_from_xy(dimension, extent = NULL, xy)

cell_from_extent(dimension, extent = NULL, x_extent)

extent_from_cell(dimension, extent = NULL, cell)

rowcol_from_cell(dimension, extent = NULL, cell)

xy_from_cell(dimension, extent = NULL, cell)

x_from_cell(dimension, extent = NULL, cell)

y_from_cell(dimension, extent = NULL, cell)

col_from_cell(dimension, cell)

row_from_cell(dimension, cell)

cell_from_row(dimension, row)

cell_from_col(dimension, col)

cell_from_row_col(dimension, row, col)

cell_from_rowcol_combine(dimension, row, col)

Arguments

dimension	integer ncol, nrow
extent	numeric extent xmin,xmax,ymin,ymax
xy	matrix of coordinates
x_extent	extent to find cells of
cell	cells to find extent, or row,col, or xy of
row	row to find cell of
col	column to find cell of

Details

The cell is indexed from the top left corner and proceeds to the right, and then down scanning by rows. The n cell is a the bottom right corner. Orientation is different to R's native matrix order, but see (WiP doc and helpers for conversion).

Value

cell index

cells of extent

extent of cells

row,col of cells

xy from cells

x of cells

y of cells

col of cells

row of cells

cell of rows

cell of cols

cell of row,col

cell of row,col combined

Examples

cell_from_xy(c(10, 5), extent = c(0, 10, 0, 5), cbind(5, 4))
cell_from_extent(c(10, 5), c(0, 10, 0, 5), c(6, 7, 2, 3))
extent_from_cell(c(10, 5), c(0, 10, 0, 5), c(4, 5))
rowcol_from_cell(c(10, 5), c(0, 10, 0, 5), 3:5)
xy_from_cell(c(10, 5), c(0, 10, 0, 5), 4:6)
x_from_cell(c(10, 5), c(0, 10, 0, 5), 4:7)
y_from_cell(c(10, 5), c(0, 10, 0, 5), 4:7)
col_from_cell(c(10, 5),  4:7)
row_from_cell(c(10, 5),  4:7)
cell_from_row(c(10, 5), 4:7)
cell_from_col(c(10, 5), 4:7)
cell_from_row_col(c(10, 5), 1:4, 4:7)
cell_from_rowcol_combine(c(10, 5), 1:4, 4:7)

hypertidy/vaster documentation built on June 10, 2025, 8:09 a.m.