[Talk-transit] Using route part relations in Route relations

2012-07-24 Thread Jo
Hi,

I mapped all the PT going through my city during the past years. There are
many common parts to these itineraries and it's cumbersome to have to mend
them one by one on a regular basis.

It would be a lot easier if it were possible to create route part
relations, for example from one stop to the next and then be able to use
these relations in the actual route relations. This would enable to map
deviations for longer lasting road works as well.

I could of course simply do this, but then no map rendering will be
displaying them correctly anymore...

If we could, one day, get this through and decided, I can create a Python
script to help with the transition and another one to regularly do quality
control checks. These scripts would run inside JOSM.

Kind regards,

Polyglot
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Re: [Talk-transit] Using route part relations in Route relations

2012-07-24 Thread Mike N

On 7/24/2012 6:38 AM, Jo wrote:

It would be a lot easier if it were possible to create route part
relations, for example from one stop to the next and then be able to use
these relations in the actual route relations. This would enable to map
deviations for longer lasting road works as well.


  There already exists relation type=route,route=bus. 
type=route_master then includes members of this relation.   Does this 
address your issue?


http://wiki.openstreetmap.org/wiki/Relation:route_master


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Re: [Talk-transit] Using route part relations in Route relations

2012-07-24 Thread fly
On 24/07/12 13:19, Mike N wrote:
 On 7/24/2012 6:38 AM, Jo wrote:
 It would be a lot easier if it were possible to create route part
 relations, for example from one stop to the next and then be able to use
 these relations in the actual route relations. This would enable to map
 deviations for longer lasting road works as well.

So you want route part which might be used by several different routes
and its variants.

I get your point and have to say I had thought about similar before but
I think it was/will get reject cause of complexity. You will end up with
at least one more level of relations with the relation hierarchy even
though it would save me a lot of work especially where I have several
lines with up to six or seven variants all following the same road.

   There already exists relation type=route,route=bus. type=route_master
 then includes members of this relation.   Does this address your issue?
 
 http://wiki.openstreetmap.org/wiki/Relation:route_master

This is used to get all route variants in one relation

cu
fly

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Re: [Talk-transit] Using route part relations in Route relations

2012-07-24 Thread Mike N

On 7/24/2012 10:32 AM, Jo wrote:

Well, to be honest, I had hoped that everybody who is doing PT would
have been screaming for this by now.  It's a message on talk-fr by
somebody who wants to start doing this for cycle route relations that
triggered me into proposing it yet again. I have proposed it already
when the PT scheme was introduced, but they didn't want to include it
back then, as they feared it might be hard enough already to get it
passed, without it.

Of course it's an extra layer in the hierarchy, but it would be a lot
more logical than the way it's done now. As far as adding complexity
goes, it would actually reduce the number of relations a particular way
would be part of.

Somebody told me they got a bit scared after seeing this video:


  I see what you're referring to now.

  At one time I had fantasies of turning my OSM routes + a GTFS tool 
that works with OSM data over to the local transit authority to use with 
OpenTripPlanner.   However when I performed the steps to modify a route 
by adding a loop in the center, I was quickly corrected.


  While they'll be able to use OpenTripPlanner, their future work will 
be with some general GTFS management tool, not OSM.




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