Download Topographic Databases for counties
Arguments
- county
county name in Polish. Check
county_names()function.- TERYT
county ID (4 characters)
- outdir
(optional) name of the output directory; by default, files are saved in the working directory
- unzip
TRUE (default) or FALSE, when TRUE the downloaded archive will be extracted and removed
- ...
additional argument for
utils::download.file()
Value
a database in Geography Markup Language format (.GML), the content and detail level corresponds to the topographic map in the scale of 1:10000
References
description of topographical and general geographical databases, and technical standards for making maps (in Polish): https://isap.sejm.gov.pl/isap.nsf/download.xsp/WDU20210001412/O/D20211412.pdf
brief description of categories and layer names (in English and Polish): https://kadyb.github.io/rgugik/articles/articles/spatialdb_description.html
Examples
if (FALSE) { # \dontrun{
topodb_download(county = "Świętochłowice") # 2.4 MB
topodb_download(TERYT = c("2476", "2264")) # 4.8 MB
} # }