Layer polygons in SpatialPolygons object — l_layer.SpatialPolygons • loon

Methods to plot map data defined in the sp package

Usage

# S3 method for class 'SpatialPolygons'
l_layer(widget, x, asSingleLayer = TRUE, ...)

Arguments

widget: widget widget path as a string or as an object handle
x: an object defined in the sp class
asSingleLayer: If TRUE then prefer a single layer over groups with nested 1-dimensinal layers
...: arguments forwarded to the relative l_layer function

Value

layer id

Details

Note that currently loon does neither support holes and ring directions.

References

Applied Spatial Data Analysis with R by Bivand, Roger S. and Pebesma, Edzer and Gomez-Rubio and Virgilio

See also

sp, l_layer

Examples


if (interactive()) {

if (requireNamespace("rworldmap", quietly = TRUE)) {
    world <- rworldmap::getMap(resolution = "coarse")
    p <- l_plot()
    lmap <- l_layer(p, world, asSingleLayer=TRUE)
    l_scaleto_world(p)
    attr(lmap,'hole')
    attr(lmap,'NAME')
}
}