Build CSA preprocessing¶
Builds structures related to transfer patterns
-
builders.build_CSA.extract_connections(route_trips: tuple) → list[source]¶ For a given route id, extract all connections form its trips.
- Parameters
route_trips (tuple) – Format: route id, list of trips.
- Returns
list of tuples. format: [(from stop, to stop, from time, to time, trip id)].
- Return type
route_connections (list)
Examples
>>> route_connections = extract_connections(route_trips)
-
builders.build_CSA.initialize() → tuple[source]¶ Initialize variables for building transfers file.
- Returns
print line breaker start_time: timestamp object USE_PARALlEL (int): 1 for parallel and 0 for serial CORES (int): Number of codes to be used start_time = time()
- Return type
breaker (str)
Examples
>>> breaker, USE_PARALlEL, CORES, start_time, GENERATE_LOGFILE = initialize()
-
builders.build_CSA.process_csa_array(connections_list) → list[source]¶ Processing function for CSA build. Currently supported functionality are: 1. Filter connections with from stop == to stop and departure time == arrival time 2. Sort the connection array #TODO: Better sort function
- Parameters
connections_list (list) – list of tuples. format: [(from stop, to stop, from time, to time, trip id)].
- Returns
list of tuples. format: [(from stop, to stop, from time, to time, trip id)].
- Return type
connections_list (list)
Examples
>>> connections_list = process_csa_array(connections_list)