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

Thomas thomaskoch at gmail.com
Tue Jun 18 18:21:08 UTC 2013

Actually i never put any effort in calendar.txt compression. It's major
pain in the butt and can be already be done by GTFS transformer of

Anyway extended your code with calendar_dates.txt conversion from the
bitfields and writing to csv, pull request is already on your way.

On Tue, Jun 18, 2013 at 7:59 PM, Stefan de Konink <stefan at konink.de> wrote:

> On Tue, 18 Jun 2013, Stefan Wehrmeyer wrote:
>  Hafas defines the Bitfield (I already extracted that) to define services
>> across the whole schedule. GTFS defines the validity of services only
>> across a week. Bringing this together is tricky.
> You could also use calendar_dates.txt, but Thomas is a magician with
> compressing those back into week schedules ;)
> Stefan
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