[Open-transport] Hafas Raw Data Format to GTFS conversion (Zürich)

[Stefan Wehrmeyer]

Hi Hannes,

apparently Swiss law makes it possible to get an electronic copy of all public transport timetables.
I can put you in contact with the person who talked to the agency to provide the data.

The file spec in full details here (the only people very familiar with it are probably at HaCon):
http://labs.rejseplanen.dk/files/Data/HafasFormat.pdf

Cheers
Stefan

On 28.05.2013, at 09:36 , Hannes Gassert <hannes at gassert.ch> wrote:

> Hi there,
> 
> Just wondering, as a local guy: is this data officially released material? Because the OKF's Swiss chapter is indeed in touch with the Zurich transportation agency, so I'm wondering if we should help find the person who knows more about the file spec or if we should rather not mention this? :)
> 
> Many thanks indeed,
> Hannes
> 
> On May 27, 2013 3:36 PM, "Stefan Wehrmeyer" <stefan.wehrmeyer at okfn.org> wrote:
> Hi Thomas, Brian, list,
> 
> the format is not binary, it's a latin1 fixed column text format. It has "binary" portions as ascii hex strings. The specs are pretty detailed (read long) but seem to cover everything.
> 
> Be aware that the names of the files in Zürich dataset differ from the spec I linked to below.
> The important file is ZUGDAT (called FPLAN in the specs).
> 
> You can find the data here:
> https://dl.dropboxusercontent.com/u/3250791/5_TU_CH_OeV_Sammlung_CH_2013_130503_0459.zip
> (~80 MB)
> 
> If one of you decides to start building a conversion tool I would encourage you to build it as Open Source and in the open because I'd love to test and help out!
> 
> Cheers
> Stefan
> 
> 
> On 27.05.2013, at 15:18 , Brian Ferris <bdferris at google.com> wrote:
> 
> > I'd also be interested in adding a converter to the OneBusAway converter suite.  Is there a public dump of the Hafas data someplace to play with?
> >
> >
> > On Mon, May 27, 2013 at 2:51 PM, Thomas <thomaskoch at gmail.com> wrote:
> > I'm pretty busy this week, but i can look into it.
> > I've build multiple  GTFS converters for multiple formats, this format looks somewhat similar to IFF but seems to be binary?. OpenPlanB worked on converting data from the HAFAS CD's but never completed a GTFS converter.
> >
> > In any case the startpoint is to dump the data into tables and then build a series of SQL query's to convert it to GTFS schema.
> >
> > Kind regards,
> > Thomas Koch
> >
> >
> > On Mon, May 27, 2013 at 2:34 PM, Stefan Wehrmeyer <stefan.wehrmeyer at okfn.org> wrote:
> > Dear list,
> >
> > I was recently approached by someone from Zürich interested in GTFS data.
> > It turns out the Hafas Raw Data Format is available but no GTFS data and I couldn't find a conversion tool.
> >
> > The Hafas raw format is a fixed-column text format as described here:
> > http://labs.rejseplanen.dk/files/Data/HafasFormat.pdf
> >
> > It's not that easy to parse and building a converter to GTFS is likely not difficult but time consuming.
> >
> > I found a parser written in C++ that is embedded in another huge project, but it can be a place to start:
> > https://extranet.rcsmobility.com/svn/synthese3/trunk/src/61_data_exchange/HafasFileFormat.cpp
> > (However, it may not be the best place to start)
> >
> > If anyone knows a tool for conversion, please let me know.
> > If you are interested in writing such a tool, I'm glad to help, but it's not something I can put a lot of effort into right now.
> >
> > Cheers
> > Stefan
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> 
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Stefan Wehrmeyer
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