shar (version 1.1)

create_neighbourhood: create_neighbourhood

Description

Create neighbourhood

Usage

create_neighbourhood(cells, matrix, directions = 4)

Arguments

cells

matrix with cell ids of focal cells.

matrix

matrix in which cells are located.

directions

Cells neighbour rule: 4 (rook's case), 8 (queen's case).

Value

matrix

Details

Get cell ids of all neighbouring cells. The neighbourhoood rule can be specified and is either rook's case (4 neighbours) or queen's case (8 neighbours).

See Also

randomize_raster

Examples

# NOT RUN {
mat <- matrix(1, nrow= 10, ncol = 10)
cell_id <- rbind(cbind(3,5), cbind(7,1))
create_neighbourhood(cell_id, mat)

# }