Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-14 Thread Michał Borsuk
Am 10.02.2011 19:50, schrieb Michael von Glasow: What I am certain of is that OSM can represent public transport routes, possibly with some concessions on precision (such as not handling some route variants). Yes and no. That is, to some extent: in cities perhaps all the main lines, but not

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-10 Thread Michael von Glasow
On 02/10/2011 11:01 AM, Dominik Mahrer (Teddy) wrote: If I visit a bus stop by foot I can manage to map the pole/platform. So this could be level 1. But when I visit within the bus, I can only manage to map the stop position. So this would be level 1. What should be level 1 then? All you

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-09 Thread Michael von Glasow
On 02/08/2011 09:17 PM, Dominik Mahrer (Teddy) wrote: Here we're getting into one of the uglier parts of transport mapping - large terminals (amenity=bus_station) with multiple stop positions and platforms. I deliberately left that out of the proposal I presented (my plan is to present that as a

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-08 Thread Michael von Glasow
On 02/07/2011 11:11 PM, Richard Mann wrote: On Mon, Feb 7, 2011 at 9:40 PM, Michael von Glasow mich...@vonglasow.com wrote: http://www.openstreetmap.org/browse/relation/611446 Single-direction, the first stop (Bonola) is a platform member (no stop member exists for this one); all others are

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-08 Thread Dominik Mahrer (Teddy)
Here we're getting into one of the uglier parts of transport mapping - large terminals (amenity=bus_station) with multiple stop positions and platforms. I deliberately left that out of the proposal I presented (my plan is to present that as a later extension). Do you have an idea how it will

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-07 Thread Richard Mann
On Mon, Feb 7, 2011 at 5:39 AM, Dominik Mahrer (Teddy) te...@teddy.ch wrote: I did not play around with actual renderers, but in theory the renderer should be able to get the diagram out of the order of the stops, regardless of the role. If one stop is twice in the route relation it should be

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-07 Thread Michael von Glasow
On 02/07/2011 10:45 AM, Richard Mann wrote: Can anyone point me to a route relation with platform stop members, so I can check how the line-diagram service works in that situation? http://www.openstreetmap.org/browse/relation/611446 Single-direction, the first stop (Bonola) is a platform

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-06 Thread Michael von Glasow
On 02/05/2011 06:09 PM, Richard Mann wrote: On Sat, Feb 5, 2011 at 12:32 AM, Michael von Glasow mich...@vonglasow.com wrote: if I may just comment on the relation: I would also use stop rather than forward_stop and backward_stop for the roles since the outward and return directions of a spoon

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-06 Thread Richard Mann
On Sun, Feb 6, 2011 at 11:23 PM, Michael von Glasow mich...@vonglasow.com wrote: I did a lot of experimenting to get a simple, one-relation-per-direction line to render correctly. If I remember that correctly, the stop role is required (forward_stop, backward_stop or platform will also work).

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-06 Thread Dominik Mahrer (Teddy)
On 02/07/2011 12:23 AM, Michael von Glasow wrote: On 02/05/2011 06:09 PM, Richard Mann wrote: On Sat, Feb 5, 2011 at 12:32 AM, Michael von Glasow mich...@vonglasow.com wrote: if I may just comment on the relation: I would also use stop rather than forward_stop and backward_stop for the roles

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-05 Thread Richard Mann
On Sat, Feb 5, 2011 at 12:32 AM, Michael von Glasow mich...@vonglasow.com wrote: if I may just comment on the relation: I would also use stop rather than forward_stop and backward_stop for the roles since the outward and return directions of a spoon route are somewhat hard to tell apart.

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-04 Thread Richard Mann
On Thu, Feb 3, 2011 at 10:37 PM, Michael von Glasow mich...@vonglasow.com wrote: On 02/03/2011 12:04 PM, Richard Mann wrote: ... something else (railway=tram_station) should go on the centroid as a courtesy tag. I would in fact tend towards using public_transport=stop_position, as suggested

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-04 Thread Michael von Glasow
On 02/04/2011 12:09 PM, Richard Mann wrote: I've been attempting to order a relation using P2 (I don't recommend trying it yourself yet - the process needs streamlining). I managed to sort the nodes in a two-directions-with-loops relation: http://www.openstreetmap.org/browse/relation/85299 and

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-03 Thread Michael von Glasow
On 02/03/2011 12:04 PM, Richard Mann wrote: On Thu, Feb 3, 2011 at 5:40 AM, Dominik Mahrer (Teddy)te...@teddy.ch wrote: I do not think it is a good idea to redefine thousands of used railway=tram_stop. The problem is that railway=tram_stop is used to mean a number of different things, which

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-02 Thread Michał Borsuk
On 01/27/2011 07:20 AM, Dominik Mahrer (Teddy) wrote: On 01/26/2011 08:40 PM, Michał Borsuk wrote: The bus service number 10 in Wintherthur is the most simple case you can have. Absolutely no exceptions. See timetables of the two terminal stations: So there is yet another line 10 mixed at the

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-02 Thread Michał Borsuk
On 01/27/2011 06:56 PM, ant wrote: Hi, On 27.01.2011 10:49, Richard Mann wrote: Thanks, Richard. I think we've got three broad decisions: 1) Whether the use of stop area / group relations should be a) widespread b) exceptional b b, ideally with a definition to what cases those

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-02 Thread Dominik Mahrer (Teddy)
On 02.02.2011 13:04, Michał Borsuk wrote: Let's just get down to differences, I say your proposal is too difficult. I've already spoken well about its data integrity, but new users don't care about it. We need something that is as good as yours in data integrity, and as easy to grasp as my

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-02-02 Thread Dominik Mahrer (Teddy)
On 02/03/2011 12:40 AM, Richard Mann wrote: On Wed, Feb 2, 2011 at 11:10 PM, Michael von Glasow mich...@vonglasow.com wrote: Hence, in most cases the extra node on the way is what I call courtesy tagging - it makes things easier for the renderer (less preprocessing) but can be automated. I

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-01-27 Thread ant
Hi, On 27.01.2011 10:49, Richard Mann wrote: I think we've got three broad decisions: 1) Whether the use of stop area / group relations should be a) widespread b) exceptional b 2) Whether route relations should a) contain all the variants in one relation, with no attempt at ordering, just

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-01-27 Thread fly
Am 27.01.2011 18:56, schrieb ant: Hi, On 27.01.2011 10:49, Richard Mann wrote: I think we've got three broad decisions: 1) Whether the use of stop area / group relations should be a) widespread b) exceptional b a) possibility to micromap. 2) Whether route relations should a)

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-01-26 Thread Michał Borsuk
Am 25.01.2011 13:52, schrieb Dominik Mahrer (Teddy): On 01/25/2011 12:01 AM, Michał Borsuk wrote: So far, so good. Let's then take a tram line, I selected a *random* stop in the centre of Zürich, and *randomly* took tram line 10. Here's the list of routes and their conditions: ... This

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-01-26 Thread Dominik Mahrer (Teddy)
On 26.01.2011 09:28, Michał Borsuk wrote: Here's an excerpt from the ZVV timetable for Bus 210, uptown Zürich In Zürich / ZVV there does NOT exist a bus 210. And the data come from this: http://www.zvv.ch/en/timetables/online-timetable.html This is a form. It is no data output. What did

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-01-26 Thread Dominik Mahrer (Teddy)
On 01/26/2011 08:40 PM, Michał Borsuk wrote: Line 10 Winterthur: line# relation# # of runs 10 407 6 10 408 1 10 409 1 10 410 6 10 411 3 10 412 3 10 413 6 10 414 3 10 415 3 10 416 1 10 417 6 10 418 3 10 419 1 10 420 3 10 702 2 10 703 2 Voila, one line, 16 relations (unless

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-01-25 Thread Dominik Mahrer (Teddy)
On 01/25/2011 12:01 AM, Michał Borsuk wrote: So far, so good. Let's then take a tram line, I selected a *random* stop in the centre of Zürich, and *randomly* took tram line 10. Here's the list of routes and their conditions: ... This single line contains *23* different routes! Twenty-three

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-25 Thread Richard Mann
On Sun, Jan 23, 2011 at 10:38 PM, Richard Mann richard.mann.westoxf...@gmail.com wrote: On Sat, Jan 22, 2011 at 8:32 AM, Dominik Mahrer (Teddy) te...@teddy.ch wrote: - stop_area is not needed/too complicated: According to taginfo there are already 64'500 stop area relations in the OSM

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Roger Slevin
-Original Message- From: Richard Mann [mailto:richard.mann.westoxf...@gmail.com] Sent: 23 January 2011 22:38 To: Public transport/transit/shared taxi related topics Subject: Re: [Talk-transit] Summary of Public Transport Proposal Criticism On Sat, Jan 22, 2011 at 8:32 AM, Dominik Mahrer (Teddy

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Dominik Mahrer (Teddy)
On 01/22/2011 11:04 PM, Richard Fairhurst wrote: Dominik Mahrer (Teddy) wrote: IMHO not related to the proposal: - potlatch can not handle the proposal/nested relations correctly: The latest version of Potlatch (Potlatch 2) handles nested relations excellently. About 10 seconds' research

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Michał Borsuk
Am 24.01.2011 10:00, schrieb Dominik Mahrer (Teddy): On 01/22/2011 11:04 PM, Richard Fairhurst wrote: Dominik Mahrer (Teddy) wrote: IMHO not related to the proposal: - potlatch can not handle the proposal/nested relations correctly: The latest version of Potlatch (Potlatch 2) handles nested

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Dominik Mahrer (Teddy)
On 01/22/2011 08:38 PM, Michał Borsuk wrote: On 01/22/2011 09:32 AM, Dominik Mahrer (Teddy) wrote: - stop_area is not needed/too complicated: [...]And it does not seam to be too complicated, And as for not needed: can we have a *separate discussion* on how routing works? There had already

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Dominik Mahrer (Teddy)
On 01/24/2011 10:10 AM, Michał Borsuk wrote: As far as I understand the issue, stop areas are used to tie different stops into one transferring area. No, you did not understand correct. stop_area_group is (was?) for that. Teddych ___ Talk-transit

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Michał Borsuk
Am 24.01.2011 10:39, schrieb Dominik Mahrer (Teddy): On 01/24/2011 10:10 AM, Michał Borsuk wrote: As far as I understand the issue, stop areas are used to tie different stops into one transferring area. No, you did not understand correct. stop_area_group is (was?) for that. Then what is the

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Frankie Roberto
On Mon, Jan 24, 2011 at 9:10 AM, Michał Borsuk michal.bor...@gmail.comwrote: Am 24.01.2011 09:39, schrieb Roger Slevin: I have not been able to follow the large number of posts on this group in recent weeks - but I can confirm that stopareas are an important part of NaPTAN data in the UK,

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Dominik Mahrer (Teddy)
On 01/24/2011 11:00 AM, Michał Borsuk wrote: Am 24.01.2011 10:39, schrieb Dominik Mahrer (Teddy): On 01/24/2011 10:10 AM, Michał Borsuk wrote: As far as I understand the issue, stop areas are used to tie different stops into one transferring area. No, you did not understand correct.

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Roger Slevin
of public transport network, then the data will not be sufficient at stoppoint level only. Roger From: Frankie Roberto [mailto:fran...@frankieroberto.com] Sent: 24 January 2011 10:06 To: Public transport/transit/shared taxi related topics Subject: Re: [Talk-transit] Summary of Public Transport

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Christian
On 23.01.2011 13:18, Michał Borsuk wrote: On 01/23/2011 12:57 PM, Vincent Privat wrote: 2011/1/23 Michał Borsuk michal.bor...@gmail.com mailto:michal.bor...@gmail.com Could you please explain what you mean, because I'm not sure. The links provided show bus routes with nothing

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Richard Mann
On Mon, Jan 24, 2011 at 11:40 AM, Christian christ...@balticfinance.com wrote: but it also includes people ... who would like to map also physical path a bus takes on the street. I think there's a logic in encouraging the use of ordered relations to show the paths of bus/etc routes - because

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Michał Borsuk
On 01/24/2011 12:40 PM, Christian wrote: On 23.01.2011 13:18, Michał Borsuk wrote: No, this can't be done in such detail, but it's not necessary as of 2011. All you need to know is where is the bus stop for the direction you're interested in, or whether the bus stop you found serves you

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Michał Borsuk
On 01/24/2011 02:09 PM, Richard Mann wrote: On Mon, Jan 24, 2011 at 11:40 AM, Christianchrist...@balticfinance.com wrote: but it also includes people ... who would like to map also physical path a bus takes on the street. I think there's a logic in encouraging the use of ordered relations to

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Christian Krützfeldt
On 01/24/2011 12:40 PM, Christian wrote: On 23.01.2011 13:18, Michał Borsuk wrote: No, this can't be done in such detail, but it's not necessary as of 2011. All you need to know is where is the bus stop for the direction you're interested in, or whether the bus stop you found serves

Re: [Talk-transit] Summary of Public Transport Proposal Criticism - a real example from Zürich

2011-01-24 Thread Michał Borsuk
On 01/24/2011 10:16 AM, Dominik Mahrer (Teddy) wrote: On 01/22/2011 08:38 PM, Michał Borsuk wrote: On 01/22/2011 09:32 AM, Dominik Mahrer (Teddy) wrote: The more exact the OSM map is, the more likely it is that the two directions do not share the same way for the both directions (the lines

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Michał Borsuk
On 01/25/2011 12:19 AM, Michał Borsuk wrote: On 01/24/2011 11:38 PM, Christian Krützfeldt wrote: If disagree then please attack my arguments with counter-arguments. I stand by what I wrote. Well, I could agree with you that your proposal is fine for most usage cases. But below you say it

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Michał Borsuk
On 01/24/2011 11:22 AM, Dominik Mahrer (Teddy) wrote: By the way, I have removed stop_area_group from the proposal. In essence this is good. I tried to implement this concept in OSM, but could not find (come up with) a sensible standard. Then what is the exact difference between

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Michał Borsuk
On 01/24/2011 11:06 AM, Frankie Roberto wrote: [...] I don't think you'd consider Embankment and Charing Cross stations to be part of the same stop area, even though they're very close to each other? On the other hand, some stop areas (Waterloo perhaps) may be huge, even though it may take you

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-24 Thread Magnus Bäck
On Tuesday, January 25, 2011 at 00:23 CET, Michal Borsuk michal.bor...@gmail.com wrote: On 01/25/2011 12:19 AM, Michal Borsuk wrote: Graphically lost, so no arrows (that didn't work anyway, because there are streets in which bus A runs one-way north, bus B runs one-way south, and

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-23 Thread Michał Borsuk
On 01/22/2011 10:00 PM, Vincent Privat wrote: 2011/1/22 Michał Borsuk michal.bor...@gmail.com mailto:michal.bor...@gmail.com In urban regions it is common that a bus line has different routes for the both directions (often one way). This doesn't matter as OSM

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-23 Thread Vincent Privat
2011/1/23 Michał Borsuk michal.bor...@gmail.com Could you please explain what you mean, because I'm not sure. The links provided show bus routes with nothing difficult in particular. They could be mapped as one relation each, only if bus stops are tagged correctly. I just want to be sure we

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-23 Thread Michał Borsuk
On 01/22/2011 11:04 PM, Richard Fairhurst wrote: Dominik Mahrer (Teddy) wrote: IMHO not related to the proposal: - potlatch can not handle the proposal/nested relations correctly: The latest version of Potlatch (Potlatch 2) handles nested relations excellently. About 10 seconds' research

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-23 Thread Richard Mann
On Sat, Jan 22, 2011 at 8:32 AM, Dominik Mahrer (Teddy) te...@teddy.ch wrote: - stop_area is not needed/too complicated: According to taginfo there are already 64'500 stop area relations in the OSM database (10'500 public transport/oxomoa, 1'500 stop place, 51'500 unified stoparea). I think

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-23 Thread Vincent Privat
Thanks Michal for your explanations, this is greatly appreciated :) ___ Talk-transit mailing list Talk-transit@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-transit

[Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-22 Thread Dominik Mahrer (Teddy)
I try to seperate the criticism from the spam around my proposal: - stop_area is not needed/too complicated: According to taginfo there are already 64'500 stop area relations in the OSM database (10'500 public transport/oxomoa, 1'500 stop place, 51'500 unified stoparea). For me this is a

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-22 Thread Michał Borsuk
On 01/22/2011 09:32 AM, Dominik Mahrer (Teddy) wrote: I try to seperate the criticism from the spam around my proposal: - stop_area is not needed/too complicated: [...]And it does not seam to be too complicated, We have so many advanced issues in comparison to the total number of PT objects

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-22 Thread Vincent Privat
2011/1/22 Michał Borsuk michal.bor...@gmail.com In urban regions it is common that a bus line has different routes for the both directions (often one way). This doesn't matter as OSM itself is not routing software. The more exact the OSM map is, the more likely it is that the two

Re: [Talk-transit] Summary of Public Transport Proposal Criticism

2011-01-22 Thread Richard Fairhurst
Dominik Mahrer (Teddy) wrote: IMHO not related to the proposal: - potlatch can not handle the proposal/nested relations correctly: The latest version of Potlatch (Potlatch 2) handles nested relations excellently. About 10 seconds' research would have told you that. Richard