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

2015-09-16 Thread Richard
On Tue, Sep 15, 2015 at 04:08:12PM +0200, David Marchal wrote: > > > > Date: Fri, 11 Sep 2015 14:18:37 +0200 > > From: ricoz@gmail.com > > To: tagging@openstreetmap.org > > Subject: Re: [Tagging] Modelling the relation between a waterstream and one > >

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

2015-09-15 Thread David Marchal
> Date: Fri, 11 Sep 2015 14:18:37 +0200 > From: ricoz@gmail.com > To: tagging@openstreetmap.org > Subject: Re: [Tagging] Modelling the relation between a waterstream and one > of its resurgence > missing data should not prevent the mapping of known good data. If it has

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] Modelling the relation between a waterstream and one of its resurgence

2015-09-11 Thread David Marchal
: [Tagging] Modelling the relation between a waterstream and one of its resurgence Are you referring to a stream that, at some point, goes underground, then re-emerges to the surface at a downstream point? These are common on karst terrain. -- John F. Eldredge -- j...@jfeldredge.com

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

2015-09-10 Thread John Eldredge
Are you referring to a stream that, at some point, goes underground, then re-emerges to the surface at a downstream point? These are common on karst terrain. -- John F. Eldredge -- j...@jfeldredge.com "Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only

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

2015-09-09 Thread David Marchal
> Which is why mapping this is not really within the scope of OSM - > natural underground waterflows are inherently non-verifiable. Well, maybe I should let that down, then, or put the data in the description field; this way, I won't mess with the OSM data, but they'll be there if someone is

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

2015-09-09 Thread Christoph Hormann
On Wednesday 09 September 2015, David Marchal wrote: > > 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 point and > exits at another? If so, I can't either,

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

2015-09-09 Thread Jo
I would say that we need a new type of relation for that. Jo 2015-09-09 17:25 GMT+02:00 David Marchal : > > 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.

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

2015-09-09 Thread David Marchal
> 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 point and exits at another? If so, I can't either, as no-one can be s

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

2015-09-09 Thread Richard
On Wed, Sep 09, 2015 at 08:55:44AM +0200, David Marchal wrote: > Hello, there. > I wondered: when a waterstream is known to be, instead of a real, separated > waterstream, merely a resurgence of another one, how should the link between > them be modelled? Which tags should I use, and in which rel

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

2015-09-08 Thread David Marchal
Hello, there. I wondered: when a waterstream is known to be, instead of a real, separated waterstream, merely a resurgence of another one, how should the link between them be modelled? Which tags should I use, and in which relation? Should I tag the resurgence by itself? Hoping you can help, Reg