Small heaps of code

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====== AIS ======
[[https://en.wikipedia.org/wiki/Automatic_identification_system|AIS]] data from AISDK, available on their [[ftp://ftp.ais.dk/ais_data/|FTP server]].  Has different archive formats (zip,rar) and csv data formats (header, no header) 


====== GTFS ======


A GTFS feed is composed of a series of text files collected in a ZIP file. Each file models a particular aspect of transit information: stops, routes, trips, and other schedule data. The details of each file are defined in the GTFS reference.

GTFS Spezification: https://developers.google.com/transit/gtfs/reference/

    Routes are equivalent to "Lines" in public transportation systems. Routes are defined in the file routes.txt, and are made up of one or more Trips.
    A Trip represents a journey taken by a vehicle through Stops. Trips are time-specific — they are defined as a sequence of StopTimes, so a single Trip represents one journey along a transit line or route.
    A StopTime defines when a vehicle arrives at a location, how long it stays there, and when it departs.


Realtime extension

https://developers.google.com/transit/gtfs-realtime/
===== Data =====


Worldwide: https://transitfeeds.com/feeds
Tools

==== transitfeed (Python) ====


by Google https://github.com/google/transitfeed/wiki

sudo pip install transitfeed




Or get the trunk from

<code>svn co https://github.com/google/transitfeed.git/trunk</code>




Comes with some command line tools

     *  feedvalidator
  *     kmlwriter

==== Others ====


  * R package by ROpenSciLabs https://github.com/ropenscilabs/gtfsr
  * Javascript by Conveyal https://github.com/conveyal/gtfs-data-manager
  * FME https://docs.safe.com/fme/html/FME_Desktop_Documentation/FME_ReadersWriters/gtfs/gtfs.htm




===== On receiving a GTFS archive =====


Use transitfeeds feedvalidator.py on a zip file to obtain a detailed report on the data quality.


====== Netex ======

https://www.vdv.de/netex.aspx 
====== VDV ======

Datamodel: https://www.vdv.de/oepnv-datenmodell.aspx 
===== Supported by =====


https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=2ahUKEwiT1uGhnoDdAhVNyKQKHbrbAxwQFjABegQIBxAC&url=https%3A%2F%2Fwww.vdv.de%2Fkompatible-produkte-8.2013.pdfx%3Fforced%3Dtrue&usg=AOvVaw2tzvYiR3HlrjCSG1eshT_t
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