Re: [Tagging] Wiki Edit War on using/avoiding semicolon lists

2015-01-22 Thread Charles Basenga Kiyanda


On 15-01-22 01:44 PM, tagging-requ...@openstreetmap.org wrote:
 Message: 3
 Date: Thu, 22 Jan 2015 18:08:49 +0100
 From: Marc Gemis marc.ge...@gmail.com
 To: Tag discussion, strategy and related tools
   tagging@openstreetmap.org
 Subject: Re: [Tagging] Wiki Edit War on using/avoiding semicolon lists
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  In this thread we are also most interested in multiple values.
 I know :-)
 
 

I have to add fuel to a heated discussion, but in the whole exchange on
whether or not semicolon lists should be allowed/used, the most obvious
example (to me) that requires semicolon lists was not mentionned,
namely: opening hours.

http://wiki.openstreetmap.org/wiki/Key:opening_hours

I've tried before to collect data on parking restrictions in the city of
montreal (Canada). Parking restricted/allowed times are an example of
geographical data that requires a time description.

I don't think the problem can be solved by relations. Simply because
parking is allowed on two different streets between 2 and 3 pm, does not
mean they're related. As noted on the wiki:

http://wiki.openstreetmap.org/wiki/Relation#Types_of_relation

They are not designed to hold loosely associated but widely spread
items. It would be inappropriate, for instance, to use a relation to
group 'All footpaths in East Anglia'. Similarly, holding all street
segments for which parking is allowed between 2 and 3pm on the island of
montreal in a relation strikes me as a bad idea.

Substituting

opening_hours = Mo-We 08:00-17:00; Th-Fr 08:00-21:00

to

opening_hours:Mo-We 08:00-17:00 = yes
opening_hours:Th-Fr 08:00-21:00 = yes

would in my opinion lead to an inordinate number of subkeys. For
example, in montreal alone, there are about 65000 different types of
city parking signs. Let's say the number of individual distinct parking
restrictions is only 10% of that, there would still be 6500 different
subkeys (looking only at my city only).

To make a long story short, this example, to me, shows that semicolon
lists should stay in the tagging scheme.

I would suggest discussing:

A) For which keys and/or type of data are semicolon lists pertinent?
B) How can semicolon lists be handled better in the different editors?

as separate topics. Right now the two topics seem intertwined, which
strikes me as less productive.

With nothing but regards to all,

Charles

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Re: [Tagging] opening-hours: how to code always but...? Syntax diagram.

2013-10-19 Thread Charles Basenga Kiyanda
If I understand the opening_hours  wiki page correctly you're missing a 
semicolon and the correct input should be:

opening_hours=24/7; Fr 14:00-22:00 off

Does that work?

Alternatively, omitting the 24/7 part would be correct as it's implied if the 
off range is not preceded by anything

opening_hours=Fr 14:00-22:00 off

Personally I'm a fan of explicit rules.

Charles

André Pirard a.pirard.pa...@gmail.com wrote:

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Re: [Tagging] Ferry frequency

2013-10-04 Thread Charles Basenga Kiyanda
If I may insert myself into the conversation. I looked at the 
opening_hours syntax recently when learning about parking specifications.


http://wiki.openstreetmap.org/wiki/Key:opening_hours#Syntax

Something like that could be used to specify different frequencies with 
time of year.


ferry:schedule:default:journeys=2/day
ferry:schedule:time_interval=Apr-Oct:journeys=4/day

I'm ad-libing over the following here:
http://wiki.openstreetmap.org/wiki/Key:parking:lane

Cheers,

Charles

On 10/04/2013 04:49 PM, Dudley Ibbett wrote:
One thing that you may also need to consider is that the timetables 
and therefore number of journeys a day may depend on the month as 
there are often summer and winter timetables.


Regards

Dudley

 Date: Fri, 4 Oct 2013 07:28:26 -0700
 From: rich...@systemed.net
 To: Tagging@openstreetmap.org
 Subject: Re: [Tagging] Ferry frequency

 Thanks all - some great suggestions. To clarify, I'm not looking to put
 detailed timetable information in (that properly belongs in a GTFS 
feed or
 somesuch, not OSM), just a broad-brush indication to help routing 
engines.


 Based on Richard M's and Janko's suggestions, I'm tempted to use:

 journeys=4/hour
 journeys=2 or journeys=2/day
 journeys=on_demand

 to indicate, respectively, four journeys in each direction per day; two
 journeys in each direction per day; and the sort of ferry where you 
go to

 the bank, wave the ferryman down, and he comes to take you across.

 That avoids any confusion about frequency (a tram might have both
 meanings!) and is simple both for the mapper and for the consumer.

 I note there's also a reservation= tag
 (http://wiki.openstreetmap.org/wiki/Key:reservation) which will be 
useful

 for ferries where booking in advance is required.

 cheers
 Richard





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[Tagging] parking:lane tag with month of year restrictions

2013-09-18 Thread Charles Basenga Kiyanda

All,

I've contributed to osm in the past, though I tend to do edits for a 
little bit then disappear for a long while. I recently had an idea for 
an app, which required me to have street parking data for the city of 
Montréal and since it's not in osm yet I thought I would start adding 
it. [Enough of personal context.]


My question is specifically about specifying month varying parking 
restrictions. I found the following page on the wiki which describes how 
to add street parking information with time restrictions:


http://wiki.openstreetmap.org/wiki/Key:parking:lane

The problem is that Montréal has month specific parking restrictions. A 
typical example is:


Right side of the street:
April to October, Anytime except Tuesday between noon and 14:00
November to March, Anytime except Monday, Wednesday, Friday between 
13:00 and 17:00.


Left side of the street:
April to October, Anytime except Monday between noon and 14:00
November to March, Anytime except Tuesday and Thursday between 13:00 and 
17:00.


Is there a concensus on how to indicate restrictions that vary on 
different months. I tried searching the list archives but didn't find 
anything on that particular question. The simplest method would probably 
to use default=free and add a no_parking time_interval restriction, so 
the proper syntax would look like (for the April to October restrictions):


parking:condition:right=parallel
parking:condition:right=no_parking
parking:condition:right:time_interval=Tu 12:00-14:00
parking:condition:right:default=free

I would like to be able to specify (for the whole year):
parking:condition:right=parallel
parking:condition:right=no_parking
parking:condition:right:time_interval=Nov-Mar Mo 13:00-17:00;Nov-Mar We 
13:00-17:00; Nov-Mar We 13:00-17:00;Apr-Oct Tu 12:00-14:00

parking:condition:right:default=free

Is this already possible or does this need to be the subject of a proper 
proposal and discussion?


Cheers,

Charles

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Re: [Tagging] parking:lane tag with month of year restrictions

2013-09-18 Thread Charles Basenga Kiyanda
Sorry for the extra traffic. I found the answer to my own question by 
following the link to key:opening_hours.


Cheers,

Charles

On 09/18/2013 04:25 PM, Charles Basenga Kiyanda wrote:

All,

I've contributed to osm in the past, though I tend to do edits for a 
little bit then disappear for a long while. I recently had an idea for 
an app, which required me to have street parking data for the city of 
Montréal and since it's not in osm yet I thought I would start adding 
it. [Enough of personal context.]


My question is specifically about specifying month varying parking 
restrictions. I found the following page on the wiki which describes 
how to add street parking information with time restrictions:


http://wiki.openstreetmap.org/wiki/Key:parking:lane

The problem is that Montréal has month specific parking restrictions. 
A typical example is:


Right side of the street:
April to October, Anytime except Tuesday between noon and 14:00
November to March, Anytime except Monday, Wednesday, Friday between 
13:00 and 17:00.


Left side of the street:
April to October, Anytime except Monday between noon and 14:00
November to March, Anytime except Tuesday and Thursday between 13:00 
and 17:00.


Is there a concensus on how to indicate restrictions that vary on 
different months. I tried searching the list archives but didn't find 
anything on that particular question. The simplest method would 
probably to use default=free and add a no_parking time_interval 
restriction, so the proper syntax would look like (for the April to 
October restrictions):


parking:condition:right=parallel
parking:condition:right=no_parking
parking:condition:right:time_interval=Tu 12:00-14:00
parking:condition:right:default=free

I would like to be able to specify (for the whole year):
parking:condition:right=parallel
parking:condition:right=no_parking
parking:condition:right:time_interval=Nov-Mar Mo 13:00-17:00;Nov-Mar 
We 13:00-17:00; Nov-Mar We 13:00-17:00;Apr-Oct Tu 12:00-14:00

parking:condition:right:default=free

Is this already possible or does this need to be the subject of a 
proper proposal and discussion?


Cheers,

Charles

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