R语言，leafletCN包，read.geoShape函数，json地图读取为sp对象

O(∩_∩)O哈哈哈~

# Thu Oct 22 16:13:24 2020 -

# 字符编码：UTF-8
# R 版本：R x64 4.0.3 for window 10
# [email protected]
# 个人笔记不负责任
# —— 拎了个梨
.rs.restartR()
require(leafletCN)
# read.geoShape函数，json地图读取为sp对象
rm(list=ls());gc()
# 用于将geojson形状文件读入R的函数，它是一个SpatialPolygonsDataFrame对象

filePath = system.file("geojson/china.json",package = "leafletCN")
map = read.geoShape(filePath)
plot(map)

map.add <- 'https://geo.datav.aliyun.com/areas/bound/geojson?code=440100_full'
map <- read.geoShape(map.add)

leaflet(map) %>% amap() %>%
  addPolygons(
    stroke = TRUE,
    smoothFactor = 1,
    fillOpacity = 0.7,
    weight = 1, )
# Thu Oct 22 16:28:25 2020 --