addAreaPolygons: Add Area Polygons to a Map

In leafletZH: Chinese Leaflet Map Relate Operation

Add Area Polygons to a Map

Description

This function adds a polygon area to a given map using the specified latitude and longitude coordinates.

Usage

addAreaPolygons(map, longitude, latitude, coordinate = "WGS-84")

Arguments

map	The map object to which the polygons will be added.
longitude	A vector of longitudes.
latitude	A vector of latitudes.
coordinate	A string indicating the coordinate system of the input data. Options are "WGS-84", "GCJ-02", "BD-09".

Value

The updated map object with added polygons.

Examples

library(leaflet)
m <- leaflet() %>% addTilesAmap()
m <- addAreaPolygons(m,
  longitude = c(121.0, 122.1, 121.2, 122.15, 121.2),
  latitude =  c(31.1, 31.919, 31.917, 31.15, 31.12), coordinate = "WGS-84"
)
m

leafletZH documentation built on April 3, 2025, 8:59 p.m.