Re: [Tagging] Public transport zones

2013-03-05 Thread Marc Gemis
Let me try to clarify this.
In case there are 2 companies stopping at a particular station, they both
might have different properties for that stop: e.g. the names, reference
numbers and zones.

So the zone might depend on the company (both bus transportation), not on
the form of transportation (bus vs. metro). This means that you need to
group those attribute name, route_refs, refs, zones, etc.) per company.

You could either add the company name to the key, create a different node
for each company or maybe use a relation. So I wonder whether it is
sufficient to just add ptv/vline to the key.

m


 When you need 2 different zones for metro and regional networks you will
  probably also want to group the routes (and other information) that
 fall
  under each zone system. In that case your keys
  (public_transport_zone:ptv/vline) are also not sufficient.
 
  So you will end up with a relation of type zone in which all the public
  transport stops are grouped.

 Sorry, I don't really follow that. Routes are relations. But there
 doesn't have to be a relation per zone...I don't think. You could
 render something useful simply by using zone properties on each
 station and piece of track, for instance.

 Steve

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Re: [Tagging] Public transport zones

2013-03-05 Thread Martin Koppenhoefer




Am 05/mar/2013 um 13:13 schrieb Marc Gemis marc.ge...@gmail.com:

 So the zone might depend on the company (both bus transportation), not on the 
 form of transportation (bus vs. metro). This means that you need to group 
 those attribute name, route_refs, refs, zones, etc.) per company.
 
 You could either add the company name to the key, create a different node for 
 each company or maybe use a relation.

I'd rather add 2 bus stops if all these attributes were differing...

cheers,
Martin 
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Re: [Tagging] Public transport zones

2013-03-05 Thread Steve Bennett
On Tue, Mar 5, 2013 at 11:13 PM, Marc Gemis marc.ge...@gmail.com wrote:
 Let me try to clarify this.
 In case there are 2 companies stopping at a particular station, they both
 might have different properties for that stop: e.g. the names, reference
 numbers and zones.

 So the zone might depend on the company (both bus transportation), not on
 the form of transportation (bus vs. metro). This means that you need to
 group those attribute name, route_refs, refs, zones, etc.) per company.

Agreed. As I mentioned before, my proposed scheme was:

public_transport_zone:ptv=...
public_transport_zone:vline=...

(In Melbourne, the question of what to call them is a bit of a mess,
as the branding changes every 5 years or so. I'm not sure what name to
call the system of trains, buses and trams in Melbourne. Maybe it
should be public_transport_zone:myki - that's the name of the
ticketing system. Although again, to complicate matters, myki is
supposedly being extended to regional transport real soon now...)

 You could either add the company name to the key, create a different node for 
 each company or maybe use a relation.

Martin wrote:
I'd rather add 2 bus stops if all these attributes were differing...

When there's a local bus stop at a regional bus station (including in
the city centre), I think I'd do the same. They're not really the
same bus stop, they're just very near each other. But for train
stations, I feel differently. Regional trains stop at the same train
station, at *the same platform* as local trains. (Each regional train
typically stops at about 2-3 of the local stations on the way to/from
the city centre.) So I think multiple nodes/areas would be wrong.

Fortunately there is no such thing as regional trams :)

Steve

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Re: [Tagging] Public transport zones

2013-03-05 Thread Ronnie Soak
Am 06.03.2013 03:56 schrieb Steve Bennett stevag...@gmail.com:



 Fortunately there is no such thing as regional trams :)


I learned very early on that there is no such thing as 'no such thing' in
OSM.

There are quite a few regional trams here in Germany alone:

http://de.wikipedia.org/wiki/%C3%9Cberlandstra%C3%9Fenbahn
(German link, as the English page is about historic trams. Please use
Google translate)

Regards,
Chaos
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Re: [Tagging] Public transport zones

2013-03-05 Thread Steve Bennett
On Wed, Mar 6, 2013 at 4:37 PM, Ronnie Soak
chaoschaos0...@googlemail.com wrote:
 Fortunately there is no such thing as regional trams :)


 I learned very early on that there is no such thing as 'no such thing' in
 OSM.

 There are quite a few regional trams here in Germany alone:

... in Victoria.

Steve

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Re: [Tagging] Public transport zones

2013-03-04 Thread Steve Bennett
On Sun, Mar 3, 2013 at 8:21 PM, Martin Koppenhoefer
dieterdre...@gmail.com wrote:
 If you would prefer to use something generic referring to public
 transport it would be better to use something like
 public_transport_zone=* instead of just zone (but I'd prefer the
 approach proposed by Steve and the most used according to tag info: an
 explicit reference to the actual public transport provider / system /
 entity that created the zones in the key).


Thanks for the replies. Thinking about it some more, maybe even more
specific would be better:
public_transport_zone:ptv=1

It's actually not beyond the bounds of possibility that we'd need to
record a stop's zone within two different schemes. Several stations
are on both the metro and regional networks. Apparently[1] our
regional network has its own zone scheme, but there's some alignment
between them (http://www.vline.com.au/fares-and-tickets/tickets/zoneb.html)

So, the more I think about it, the more sense it seems to have:

public_transport_zone:ptv=1+2
public_transport_zone:vline=B

Ambiguous, common tags like 'zone' are fun for the people entering
them, but a nightmare to compute over...

Steve
[1] I actually take regional transport a lot, but you don't seem to
need to know this. You just tell them where you want to go and pay for
the ticket...

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Re: [Tagging] Public transport zones

2013-03-04 Thread Marc Gemis
Why is zone ambiguous on a bus_stop ? Or any more ambiguous than name ?
The latter is also used for so many different things.

I see no need to make new tags for each new zone concept. This is only
needed when 1 item can belong to different types of zones.

When you need 2 different zones for metro and regional networks you will
probably also want to group the routes (and other information) that fall
under each zone system. In that case your keys
(public_transport_zone:ptv/vline) are also not sufficient.

So you will end up with a relation of type zone in which all the public
transport stops are grouped.

Just my .5 cent

m
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Re: [Tagging] Public transport zones

2013-03-04 Thread Steve Bennett
On Tue, Mar 5, 2013 at 3:27 AM, Marc Gemis marc.ge...@gmail.com wrote:
 Why is zone ambiguous on a bus_stop ? Or any more ambiguous than name ?
 The latter is also used for so many different things.

These are deep semantic philosophy questions :) I'd point out that
renderers can naively render name tags and produce something that is
useful to the human consumer, but that's harder to do with PT zone
tags. How important the zones are to the user varies a lot, so they'll
probably only be used by a map product that is specific to that area
anyway. I think. Maybe.

 When you need 2 different zones for metro and regional networks you will
 probably also want to group the routes (and other information) that fall
 under each zone system. In that case your keys
 (public_transport_zone:ptv/vline) are also not sufficient.

 So you will end up with a relation of type zone in which all the public
 transport stops are grouped.

Sorry, I don't really follow that. Routes are relations. But there
doesn't have to be a relation per zone...I don't think. You could
render something useful simply by using zone properties on each
station and piece of track, for instance.

Steve

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Re: [Tagging] Public transport zones

2013-03-03 Thread Martin Koppenhoefer
2013/3/3 Jo winfi...@gmail.com:
 I would simply use zone=1, zone=2 or zone=1;2 on them. That's how it's done
 in Belgium and The Netherlands. Although we don't have overlapping zones.


I would use something more specific, zone is way too generic and can
mean everything or nothing (e.g. maxspeed zones, low emission zones,
building zoning, ...). Look at actual tags there is a variant of zone
used more often:
http://taginfo.openstreetmap.org/search?q=zone
naptan:PlusbusZoneRef

If you would prefer to use something generic referring to public
transport it would be better to use something like
public_transport_zone=* instead of just zone (but I'd prefer the
approach proposed by Steve and the most used according to tag info: an
explicit reference to the actual public transport provider / system /
entity that created the zones in the key).

cheers,
Martin

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Re: [Tagging] Public transport zones

2013-03-03 Thread Teuxe

Le 03/03/2013 10:21, Martin Koppenhoefer a écrit :

2013/3/3 Jo winfi...@gmail.com:

I would simply use zone=1, zone=2 or zone=1;2 on them. That's how it's done
in Belgium and The Netherlands. Although we don't have overlapping zones.


I would use something more specific, zone is way too generic and can
mean everything or nothing (e.g. maxspeed zones, low emission zones,
building zoning, ...). Look at actual tags there is a variant of zone
used more often:
http://taginfo.openstreetmap.org/search?q=zone
naptan:PlusbusZoneRef

If you would prefer to use something generic referring to public
transport it would be better to use something like
public_transport_zone=* instead of just zone (but I'd prefer the
approach proposed by Steve and the most used according to tag info: an
explicit reference to the actual public transport provider / system /
entity that created the zones in the key).

cheers,
Martin

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Hi,

In France, around Paris, we have the same kind of areas.

The information appears to be relevant to the operator, but on the Paris 
region there are two operators (RATP and SNCF) using the same kind of 
information (zones); these areas and prices are defined by a local 
authority (STIF, Syndicat des Transports d'Île de France). Operators 
manage multiple kinds of transports: bus, subways, tramways and regional 
trains.


Inside stations where tarifications can differ, there are often 
separations of areas with automatic control points of transport tickets 
(or magnetic cards) with turnstiles. Example, between regional train and 
subways.


It is not always related to the deserved place: some places can be 
reached by subway (RATP, always in zone 1) and also by other means (bus, 
train...) in other zones. So in that case the information is relevant to 
a stop position only (not a full station).


We are looking for means to store the zone information the best way, 
since it has an important impact on the user navigation.


Teuxe


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[Tagging] Public transport zones

2013-03-02 Thread Steve Bennett
Hi all,
  I don't see any wiki documentation on public transport zones: that
is, how to tag that station X is in zone 3, station Y is in zone 2,
for systems where the price of a ticket depends on the zones
travelled.

For example, in Melbourne, there are two zones. Some train stations
are in zone 1, some in 2, and some in the 1+2 overlap. Travelling from
1+2 to 2 only requires a zone 2 ticket, which is cheaper than a zone 1
ticket. Travelling from 1 to 2 requires a 12 ticket, which is the
most expensive.

Any recommended tags? Otherwise, I was thinking of something like:

ptv:zone1=yes
ptv:zone2=yes

or maybe:
ptv:zone=1
ptv:zone=1+2

(PTV is Public Transport Victoria...)

Steve

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Re: [Tagging] Public transport zones

2013-03-02 Thread Jo
I would simply use zone=1, zone=2 or zone=1;2 on them. That's how it's done
in Belgium and The Netherlands. Although we don't have overlapping zones.
The rules (which change every so many years) in Flanders, the northern part
of Belgium, are: travelling through 1 or 2 zones has one tariff, and
travelling through more than 2 has another. Which tariff depends on whether
you buy the ticket with the driver, or in advance. When buying a ticket by
sending a text message with a cell phone, the zones are not relevant, only
travelling duration...

If you happen to need the zone tag for something else on your stops, you
could use zone:ptv, but it seems better to add operator=ptv or operator=PT
Victoria.

Cheers,

Jo

2013/3/3 Steve Bennett stevag...@gmail.com

 Hi all,
   I don't see any wiki documentation on public transport zones: that
 is, how to tag that station X is in zone 3, station Y is in zone 2,
 for systems where the price of a ticket depends on the zones
 travelled.

 For example, in Melbourne, there are two zones. Some train stations
 are in zone 1, some in 2, and some in the 1+2 overlap. Travelling from
 1+2 to 2 only requires a zone 2 ticket, which is cheaper than a zone 1
 ticket. Travelling from 1 to 2 requires a 12 ticket, which is the
 most expensive.

 Any recommended tags? Otherwise, I was thinking of something like:

 ptv:zone1=yes
 ptv:zone2=yes

 or maybe:
 ptv:zone=1
 ptv:zone=1+2

 (PTV is Public Transport Victoria...)

 Steve

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