ggmap: get_cloudmademap – R documentation

Become an expert in R — Interactive courses, Cheat Sheets, certificates and more!

get_cloudmademap

Get a CloudMade map.

Description

get_cloudmademap accesses a tile server for Stamen Maps and downloads/stitches map tiles/formats a map image. This function requires an api key which can be obtained for free from http://cloudmade.com/user/show (defunct?). Thousands of maptypes ("styles"), including create-your-own options, are available from http://maps.cloudmade.com/editor (defunct).

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 = NULL, 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). Default `NULL` means a random `tempfile`.
`color`	color or black-and-white
`...`	...

Value

a ggmap object (a classed raster object with a bounding box attribute)

Author(s)

David Kahle david.kahle@gmail.com

Examples

#api_key <- '<your api key here>'
#api_key <- 'b23b0358e87c4ff99f81029eda25c903'

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

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

ggmap

Spatial Visualization with ggplot2

v3.0.0

GPL-2

Authors

David Kahle [aut, cre] (<https://orcid.org/0000-0002-9999-1558>), Hadley Wickham [aut] (<https://orcid.org/0000-0003-4757-117X>), Scott Jackson [aut], Mikko Korpela [ctb]

Initial release