mf_init: Initialize a map with a specific extent

In mapsf: Thematic Cartography

Initialize a map with a specific extent

Description

Plot an invisible layer with the extent of a spatial object.
Always use add = TRUE in mf_map calls following an mf_init call. This function is similar to mf_map(x, col = NA, border = NA).

Usage

mf_init(x, expandBB = rep(0, 4))

Arguments

x	object of class sf, sfc or SpatRaster
expandBB	fractional values to expand the bounding box with, in each direction (bottom, left, top, right)

Value

No return value, a map is initiated.

Examples

mtq <- mf_get_mtq()
target <- mtq[30, ]
mf_init(target)
mf_map(mtq, add = TRUE)

mapsf documentation built on July 1, 2025, 5:08 p.m.