Extract data from a GTFS zip archive.
extract_gtfs(filename = NULL, quiet = FALSE, stn_suffixes = NULL)Name of GTFS archive
If FALSE, display progress information on screen
Any values provided will be removed from terminal
characters of station IDs. Useful for feeds like NYC for which some stations
are appended with values of "N" and "S" to indicate directions. Specifying
stn_suffixes = c ("N", "S") will automatically remove these suffixes.
List of several data.table objects corresponding to the tables present in the nominated GTFS data set.
Column types in each table of the returned object conform to GTFS
standards (https://developers.google.com/transit/gtfs/reference),
except that "Time" fields in the "stop_times" table are converted to integer
values, rather than as character or "Time" objects ("HH:MM:SS"). These can be
converted back to comply with GTFS standards by applying the hms::hms()
function to the two time columns of the "stop_times" table.
Other extract:
berlin_gtfs_to_zip(),
gtfs_timetable()
berlin_gtfs_to_zip () # Write sample feed from Berlin, Germany to tempdir
#> [1] "/tmp/Rtmpdg7K8g/vbb.zip"
f <- file.path (tempdir (), "vbb.zip") # name of feed
gtfs <- extract_gtfs (f)
#> ▶ Unzipping GTFS archive
#>
✔ Unzipped GTFS archive
#> ▶ Extracting GTFS feed
#>
✔ Extracted GTFS feed
#> ▶ Converting stop times to seconds
#>
✔ Converted stop times to seconds
#> ▶ Converting transfer times to seconds
#>
✔ Converted transfer times to seconds