download_sedac_groads {amadeus} | R Documentation |
Download roads data
Description
The download_sedac_groads()
function accesses and downloads
roads data from NASA's Global Roads Open Access Data Set (gROADS), v1 (1980-2010).
Usage
download_sedac_groads(
data_region = c("Americas", "Global", "Africa", "Asia", "Europe", "Oceania East",
"Oceania West"),
data_format = c("Shapefile", "Geodatabase"),
directory_to_save = NULL,
acknowledgement = FALSE,
download = FALSE,
remove_command = FALSE,
unzip = TRUE,
remove_zip = FALSE
)
Arguments
data_region |
character(1). Data can be downloaded for |
data_format |
character(1). Data can be downloaded as |
directory_to_save |
character(1). Directory to save data. Two sub-directories will be created for the downloaded zip files ("/zip_files") and the unzipped shapefiles ("/data_files"). |
acknowledgement |
logical(1). By setting |
download |
logical(1). |
remove_command |
logical(1).
Remove ( |
unzip |
logical(1). Unzip zip files. Default is |
remove_zip |
logical(1). Remove zip files from directory_to_download.
Default is |
Value
NULL; Zip and/or data files will be downloaded and stored in
respective sub-directories within directory_to_save
.
Author(s)
Mitchell Manware, Insang Song
References
Center For International Earth Science Information Network-CIESIN-Columbia University, Information Technology Outreach Services-ITOS-University Of Georgia (2013). “Global Roads Open Access Data Set, Version 1 (gROADSv1).” doi:10.7927/H4VD6WCT, https://sedac.ciesin.columbia.edu/data/set/groads-global-roads-open-access-v1.
Examples
download_sedac_groads(
data_region = "Americas",
data_format = "Shapefile",
directory_to_save = tempdir(),
acknowledgement = TRUE,
download = FALSE, # NOTE: download skipped for examples,
remove_command = TRUE,
unzip = FALSE
)