mf_get_pencil: Get a pencil layer from polygons

In mapsf: Thematic Cartography

Get a pencil layer from polygons

Description

Create a pencil layer. This function transforms a POLYGON or MULTIPOLYGON sf object into a MULTILINESTRING one.

Usage

mf_get_pencil(x, size = 100, buffer = 0, lefthanded = TRUE, clip = FALSE)

Arguments

x	an sf object, a simple feature collection (POLYGON or MULTIPOLYGON).
size	density of the penciling. Median number of points used to build the MULTILINESTRING.
buffer	buffer around each polygon. This buffer (in map units) is used to take sample points. A negative value adds a margin between the penciling and the original polygons borders
lefthanded	if TRUE the penciling is done left-handed style.
clip	if TRUE, the penciling is cut by the original polygon.

Value

A MULTILINESTRING sf object is returned.

Examples

mtq <- mf_get_mtq()
mtq_pencil <- mf_get_pencil(x = mtq, clip = FALSE)
mf_map(mtq)
mf_map(mtq_pencil, add = TRUE)

mapsf documentation built on Oct. 22, 2024, 5:07 p.m.