gtfs_transfer_table

Construct a transfer table for a GTFS feed.

gtfs_transfer_table(
  gtfs,
  d_limit = 200,
  min_transfer_time = 120,
  network = NULL,
  network_times = FALSE,
  quiet = FALSE
)

Arguments

gtfs

A GTFS feed obtained from the extract_gtfs function.

d_limit

Upper straight-line distance limit in metres for transfers.

min_transfer_time

Minimum time in seconds for transfers; all values below this will be replaced with this value, particularly all those defining in-place transfers where stop longitudes and latitudes remain identical.

network

Optional Open Street Map representation of the street network encompassed by the GTFS feed (see Examples).

network_times

If TRUE, transfer times are calculated by routing throughout the underlying street network. If this is not provided as the net parameter, it will be automatically downloaded.

quiet

Set to TRUE to suppress screen messages

Value

Modified version of the gtfs input with additional transfers table.

See also

Other augment: frequencies_to_stop_times()

Examples

berlin_gtfs_to_zip ()
#> [1] "/tmp/Rtmpdg7K8g/vbb.zip"
f <- file.path (tempdir (), "vbb.zip")
g <- extract_gtfs (f, quiet = TRUE)
g <- gtfs_transfer_table (g, d_limit = 200)
# g$transfers then has fewer rows than original, because original transfer
# table contains duplicated rows.