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Version: 0.3.0

GtfsRTInterpreter

Input type: File

Output type: Sheet

Description​

Interprets an protobuf file (binary) of type File by decoding the file according to gtfs-realtime.proto. Outputs the extracted entity defined by entity as a Sheet

Example 1​

 block GtfsRTTripUpdateInterpreter oftype GtfsRTInterpreter{
   entity: "trip_update";
 }

A file is interpretet as an GTFS-RT file, which contains TripUpdate.

Properties​

entity​

Type text

Description​

Entity to process from GTFS-RT-feed (trip_update, alert or vehicle). We currently support following Output-Sheets, each are an equivalent to the flattened Element Index defined in https://developers.google.com/transit/gtfs-realtime/reference#element-index (just required fields are included): Entity TripUpdate:

[
    'header.gtfs_realtime_version',
    'header.timestamp',
    'header.incrementality',
    'entity.id',
    'entity.trip_update.trip.trip_id',
    'entity.trip_update.trip.route_id',
    'entity.trip_update.stop_time_update.stop_sequence',
    'entity.trip_update.stop_time_update.stop_id',
    'entity.trip_update.stop_time_update.arrival.time',
    'entity.trip_update.stop_time_update.departure.time',
];

Entity VehiclePosition:

[
    'header.gtfs_realtime_version',
    'header.timestamp',
    'header.incrementality',
    'entity.id',
    'entity.vehicle_position.vehicle_descriptor.id',
    'entity.vehicle_position.trip.trip_id',
    'entity.vehicle_position.trip.route_id',
    'entity.vehicle_position.position.latitude',
    'entity.vehicle_position.position.longitude',
    'entity.vehicle_position.timestamp',
];

Entity Alert:

[
    'header.gtfs_realtime_version',
    'header.timestamp',
    'header.incrementality',
    'entity.id',
    'entity.alert.informed_entity.route_id',
    'entity.alert.header_text',
    'entity.alert.description_text',
];