getmap: Get the map data with sf format

In xiaojunlin/amap: An R package using AMap Web Service API to convert between addresses and coordinates

Get the map data with sf format

Description

Get the map data at province, city or district level

Usage

getmap(adcode, level = "default")

Arguments

adcode	The administrative code
level	The level of map data, including province, city and district

Value

sf data

Examples

## Not run: 
library(ggplot2)
# China map
# (1) China map at province level
china <- getmap(adcode = 100000, level = "province")
ggplot(china) +
  geom_sf(fill = "white") +
  theme_bw()
# (2) China map at city level
china <- getmap(adcode = 100000, level = "city")
ggplot(china) +
  geom_sf(fill = "white") +
  theme_bw()
# (3) China map at district level
china <- getmap(adcode = 100000, level = "district")
ggplot(china) +
  geom_sf(fill = "white") +
  theme_bw()
# (4) missing value in the argment "level"
china4 <- getmap(adcode = 100000)
ggplot(china) +
  geom_sf(fill = "white") +
  theme_bw()

# Sichuan
# (1) map at province level
sichuan <- getmap(adcode = 510000, level = "province")
ggplot(sichuan) +
  geom_sf(fill = "white") +
  theme_bw()
# (2) map at city level
sichuan <- getmap(adcode = 510000, level = "city")
ggplot(sichuan) +
  geom_sf(fill = "white") +
  theme_bw()
# (3) map at district level
sichuan <- getmap(adcode = 510000, level = "district")
ggplot(sichuan) +
  geom_sf(fill = "white") +
  theme_bw()

# Chengdu
# (1) map at city level
chengdu <- getmap(adcode = 510100, level = "city")
ggplot(chengdu) +
  geom_sf(fill = "white") +
  theme_bw()
# (2) fetch and map at district level
chengdu <- getmap(adcode = 510100, level = "district")
ggplot(chengdu) +
  geom_sf(fill = "white") +
  theme_bw()

## End(Not run)

xiaojunlin/amap documentation built on Sept. 29, 2022, 6:35 a.m.