get_cloudmademap: Get a CloudMade map

Description

get_cloudmademap accesses a tile server for Stamen Maps and downloads/stiches map tiles/formats a map image.

Usage

get_cloudmademap(bbox = c(left = -95.80204, bottom = 29.38048, right = -94.92313, top = 30.14344),
    zoom = 10, api_key, maptype = 1, highres = TRUE,
    crop = TRUE, messaging = FALSE, urlonly = FALSE,
    filename = "ggmapTemp", color = c("color", "bw"), ...)

Arguments

bbox

a bounding box in the format c(lowerleftlon, lowerleftlat, upperrightlon, upperrightlat).

zoom

a zoom level

api_key

character string containing cloud made api key, see details

maptype

an integer of what cloud made calls style, see details

highres

double resolution

crop

crop raw map tiles to specified bounding box

messaging

turn messaging on/off

urlonly

return url only

filename

destination file for download (file extension added according to format)

color

color or black-and-white

...

Value

a map image as a 2d-array of colors as hexadecimal strings representing pixel fill values.

Details

accesses cloud made maps. this function requires an api which can be obtained for free from http://cloudmade.com/user/show. thousands of maptypes ("styles"), including create-your-own options, are available from http://maps.cloudmade.com/editor

Examples

Run this code

# in what follows, enter your own api key
api_key <- '<your api key here>'

map <- get_cloudmademap(api_key = api_key)
ggmap(map)

map <- get_cloudmademap(maptype = 997, api_key = api_key)
ggmap(map)

map <- get_cloudmademap(maptype = 31643, api_key = api_key)
ggmap(map)

map <- get_cloudmademap(maptype = 31408, api_key = api_key)
ggmap(map)

map <- get_cloudmademap(maptype = 15434, api_key = api_key)
ggmap(map)

map <- get_cloudmademap(maptype = 9203, api_key = api_key)
ggmap(map)

map <- get_cloudmademap(maptype = 53428, api_key = api_key)
ggmap(map)

map <- get_cloudmademap(maptype = 15153, api_key = api_key)
ggmap(map)

map <- get_cloudmademap(maptype = 7877, api_key = api_key)
ggmap(map)