Download BD TOPO

Function used to downlaod BD TOPO. It is a wrapper to download_archive, that helps getting everything fine toi download aimed archive of BD TOPO from IGN websites.

download_bd_topo(
  destination,
  origin = "ign",
  name = "BDTOPO",
  extension = "7z",
  date = "last",
  type = c("SHP", "GPKG", "SQL"),
  theme = c("TOUSTHEMES", "ADMINISTRATIF", "ADRESSES", "BDADRESSE", "ERP",
    "HYDROGRAPHIE", "TRANSPORT"),
  department = NULL,
  region = NULL,
  verbose = TRUE
)

Arguments

destination

character, the address where dara are stocked.

origin

character, either a keyword or the address from where data are downloaded. See details.

name

character, vector of acceptable names fo archive to be downloaded. Default to "BDTOPO".

extension

character, vector of acceptable types of archive to be downloaded. Default to "7z".

date

character, date of the archive to be downloaded. Default to "last".

type

character, format of GIS data. To be chosen within "SHP", "GPKG", or "SQL". Default to "SHP".

theme

character, themes of BD TOPO to be downloaded when origin is "ign". See details.

department

integer, or converted to integer. Departments that should be considered. See details.

region

integer, or converted to integer. Regions that should be considered. See details.

verbose

logical, should the function send some messages while running.

Value

nothing

Details

If origin == "ign", then origin is changed to "https://geoservices.ign.fr/bdtopo".

If not, everything shall be filled so that download_archive can make a successful download.

Author

Frédéric Grelot

Examples

if (FALSE) {
destination = tempdir()

# WARNING: download everything that is "new".
download_bd_topo(destination) 

download_bd_topo(destination, department = 34)
download_bd_topo(destination, department = 34, date = "2019-03-15")
download_bd_topo(destination, region = 11, type = "GPKG")

# WARNING: download everything related to D034
download_bd_topo(destination, department = 34, date = NULL)

unlink(destination)
}