Re: [Tagging] barrier enforcing maxwidth

2015-09-11 Thread Bryce Nesbitt
On Mon, Sep 7, 2015 at 9:52 PM, Andrew Errington wrote: > I don't think a new tag is warranted. maxwidth=* is fairly unequivocal. > If map users or routers want to interpret it as "max width, but probably > not really, there's probably a bit of extra space, I mean, who's going to > be that petty

Re: [Tagging] Handle with care

2015-09-11 Thread Greg Troxel
Colin Smale writes: > I meant my question seriously, not hypothetically I assume all these > boundary posts are tagged with something like "source:location=MA State > Data Set 2015-01-19"? If not, how is a mapper to compare his > "correctness" to the existing "correctness"? There are chang

Re: [Tagging] Handle with care

2015-09-11 Thread Colin Smale
I meant my question seriously, not hypothetically I assume all these boundary posts are tagged with something like "source:location=MA State Data Set 2015-01-19"? If not, how is a mapper to compare his "correctness" to the existing "correctness"? Without this provenance information in the

Re: [Tagging] Handle with care

2015-09-11 Thread Greg Troxel
Colin Smale writes: > How does the chap with the GPS on his smartphone know that the old > coordinate of 50.000 is "more correct" than his own measurement? This is generally a hard question, but if you're using a phone, and the value you see is within 20m (or maybe 10m) of what's in the db, th

Re: [Tagging] Handle with care

2015-09-11 Thread Colin Smale
And let's not forget that what is correct to one person, may be inaccurate according to another. 50.N may be exactly accurate according to a particular frame of reference at a certain point in time, but if a surveyor with sub-centimeter accuracy equipment says it's 50.0001 then he is also ri

Re: [Tagging] Handle with care (was: Accuracy of survey)

2015-09-11 Thread André Pirard
On 2015-09-09 23:39, moltonel wrote : On 9 September 2015 21:46:54 GMT+01:00, "André Pirard" wrote: There are various reasons for warning other mappers to be careful about their updates. I once temporarily overlaid two walking routes to show the effe

Re: [Tagging] New proposal: Obligatory tagging of oneway on motorway_link

2015-09-11 Thread moltonel 3x Combo
On 11/09/2015, Mateusz Konieczny wrote: > On Fri, 11 Sep 2015 12:41:36 + > moltonel wrote: > >> Consumers (routers, renderers, whatever) will not be swayed by a wiki >> page. They might look at stats and decide themselves what the absence >> of a oneway tag means, but a wiki proposal is never

Re: [Tagging] New proposal: Obligatory tagging of oneway on motorway_link

2015-09-11 Thread Mateusz Konieczny
On Fri, 11 Sep 2015 08:40:21 -0500 Paul Johnson wrote: > On Fri, Sep 11, 2015 at 7:41 AM, moltonel wrote: > > > > If not tagged, the oneway=* > > >status of this way is undefined. > > > > You wont gain anything by de-defining the "oneway=no" default value. > > Consumers (routers, renderers, wha

Re: [Tagging] New proposal: Obligatory tagging of oneway on motorway_link

2015-09-11 Thread Richard Fairhurst
Mateusz Konieczny wrote: > Documentation on wiki is one of main sources during development of > map style. You mean of the openstreetmap-carto style, which is just one of many. Richard -- View this message in context: http://gis.19327.n5.nabble.com/New-proposal-Obligatory-tagging-of-oneway-

Re: [Tagging] New proposal: Obligatory tagging of oneway on motorway_link

2015-09-11 Thread Mateusz Konieczny
On Fri, 11 Sep 2015 12:41:36 + moltonel wrote: > Consumers (routers, renderers, whatever) will not be swayed by a wiki > page. They might look at stats and decide themselves what the absence > of a oneway tag means, but a wiki proposal is never going to > influence that decision. Documentati

Re: [Tagging] New proposal: Obligatory tagging of oneway on motorway_link

2015-09-11 Thread Paul Johnson
On Fri, Sep 11, 2015 at 7:41 AM, moltonel wrote: > > If not tagged, the oneway=* > >status of this way is undefined. > > You wont gain anything by de-defining the "oneway=no" default value. > Consumers (routers, renderers, whatever) will not be swayed by a wiki page. > They might look at stats an

Re: [Tagging] New proposal: Obligatory tagging of oneway on motorway_link

2015-09-11 Thread moltonel
On 10 September 2015 13:20:43 GMT+01:00, Joachim wrote: >Proposal: >Define on the wiki page of highway=motorway_link that oneway=* must >also be tagged for every motorway_link. Sounds fair. > If not tagged, the oneway=* >status of this way is undefined. You wont gain anything by de-defining t

Re: [Tagging] New proposal: Obligatory tagging of oneway on motorway_link

2015-09-11 Thread Paul Johnson
On Fri, Sep 11, 2015 at 7:07 AM, Kieron Thwaites wrote: > > Though I agree in principle with the idea of making tagging more > > explicit, how big of a practical concern is this? i.e. how many times in > > the real world is motorway_link a two-way road? > > While I agree such a case is rare, it i

Re: [Tagging] New proposal: Obligatory tagging of oneway on motorway_link

2015-09-11 Thread Paul Johnson
On Fri, Sep 11, 2015 at 6:56 AM, Shawn K. Quinn wrote: > On Thu, 2015-09-10 at 14:20 +0200, Joachim wrote: > > I drafted up a proposal about oneway=* for highway=motorway_link. > > Please comment. > > > http://wiki.openstreetmap.org/wiki/Proposed_features/Motorway_link_obligatory_oneway > > > > P

Re: [Tagging] Modelling the relation between a waterstream and one of its resurgence

2015-09-11 Thread Richard
On Wed, Sep 09, 2015 at 05:25:52PM +0200, David Marchal wrote: > > map the underground stream if possible. > As I don't know where the intake from the first stream is, I think I can't > map it this way. Besides, wouldn't that make the link exclusive, i.e. tell > that the water only comes from one

Re: [Tagging] New proposal: Obligatory tagging of oneway on motorway_link

2015-09-11 Thread Kieron Thwaites
> Though I agree in principle with the idea of making tagging more > explicit, how big of a practical concern is this? i.e. how many times in > the real world is motorway_link a two-way road? While I agree such a case is rare, it is possible. See: http://www.openstreetmap.org/way/68433570 -- whil

Re: [Tagging] New proposal: Obligatory tagging of oneway on motorway_link

2015-09-11 Thread Shawn K. Quinn
On Thu, 2015-09-10 at 14:20 +0200, Joachim wrote: > I drafted up a proposal about oneway=* for highway=motorway_link. > Please comment. > http://wiki.openstreetmap.org/wiki/Proposed_features/Motorway_link_obligatory_oneway > > Proposal: > Define on the wiki page of highway=motorway_link that onewa

Re: [Tagging] New proposal: Obligatory tagging of oneway on motorway_link

2015-09-11 Thread Mateusz Konieczny
On Thu, 10 Sep 2015 14:20:43 +0200 Joachim wrote: > I drafted up a proposal about oneway=* for highway=motorway_link. > Please comment. > http://wiki.openstreetmap.org/wiki/Proposed_features/Motorway_link_obligatory_oneway http://wiki.openstreetmap.org/wiki/Proposed_features/Motorway_link_obliga

Re: [Tagging] Modelling the relation between a waterstream and one of its resurgence

2015-09-11 Thread David Marchal
Yes, I indeed thought of a karst system, but specifically of the case when one spring, even if it feeds a stream of its own, is in fact a resurgence of a partial loss of another stream. From: j...@jfeldredge.com To: tagging@openstreetmap.org Date: Thu, 10 Sep 2015 17:30:24 -0500 Subject: Re: [Ta