Re: [Tagging] A modest proposal to increase the usefulness of the tagging list

2019-06-04 Thread John Willis via Tagging
> On Jun 4, 2019, at 2:40 PM, Mateusz Konieczny wrote: > > Or you will use. Thanks for handling man_made bridge. I use it a lot. The only comment to this idea of “make tags for you to use” is that if you invent a tagging method for a particular type of object, that you include similar

Re: [Tagging] Irrigation: usage=irrigation vs irrigation=yes [Was Irrigation: ditches, canals and drains]

2019-06-04 Thread Joseph Eisenberg
On 6/4/19, François Lacombe wrote: > According to semantics of canals and ditches, a canal can't be used for > drainage and a ditch/drain shouldn't be used for irrigation Many mappers are using waterway=ditch for irrigation I wrote a long analysis of the situation at this page;

Re: [Tagging] Irrigation: usage=irrigation vs irrigation=yes [Was Irrigation: ditches, canals and drains]

2019-06-04 Thread Martin Koppenhoefer
sent from a phone > On 4. Jun 2019, at 17:09, Peter Elderson wrote: > > There is no main usage, except keeping water levels in all parts of the > polders within very narrow range this seems to be a very distinct usage, albeit not only irrigation or drainage but both. Maybe

Re: [Tagging] Irrigation: usage=irrigation vs irrigation=yes [Was Irrigation: ditches, canals and drains]

2019-06-04 Thread Peter Elderson
Apparently I was not clear enough. There is no main usage, except keeping water levels in all parts of the polders within very narrow range. All else varies according to varying needs, wishes and opportunities. If it rains a lot, the whole system drains. If it doesn't rain at all, the whole system

Re: [Tagging] Irrigation: usage=irrigation vs irrigation=yes [Was Irrigation: ditches, canals and drains]

2019-06-04 Thread Philip Barnes
On Tuesday, 4 June 2019, François Lacombe wrote: > Le mar. 4 juin 2019 à 14:07, Peter Elderson a écrit : > > > All the waterways can drain, transport water/people/goods, and irrigate, > > as needed. > > > > Transportation is not transmission. Transportation of water over a canal > means loading

Re: [Tagging] Irrigation: usage=irrigation vs irrigation=yes [Was Irrigation: ditches, canals and drains]

2019-06-04 Thread François Lacombe
Le mar. 4 juin 2019 à 14:07, Peter Elderson a écrit : > All the waterways can drain, transport water/people/goods, and irrigate, > as needed. > Transportation is not transmission. Transportation of water over a canal means loading water into boats and send them over the canal. Those canals

Re: [Tagging] Irrigation: usage=irrigation vs irrigation=yes [Was Irrigation: ditches, canals and drains]

2019-06-04 Thread Peter Elderson
The Dutch system of "polders" uses waterways for drainage, transport and irrigation, but not in a source2target way. Basically, a "polder" is a bathtub wherein several waterlevels (rings) are maintained through a network/maze of canals and ditches. When it rains a lot, water is pumped out of the

Re: [Tagging] Irrigation: usage=irrigation vs irrigation=yes [Was Irrigation: ditches, canals and drains]

2019-06-04 Thread Paul Allen
On Tue, 4 Jun 2019 at 03:59, Mateusz Konieczny wrote: > > * iD had trouble in the past with tags where single key was used > for many purposes (it was AFAIK triggered by service key) > I think there were several triggers. The discussion on github I encountered was with covered=* being used for

Re: [Tagging] Irrigation: usage=irrigation vs irrigation=yes [Was Irrigation: ditches, canals and drains]

2019-06-04 Thread François Lacombe
Hi Joseph, Le mar. 4 juin 2019 à 01:55, Joseph Eisenberg a écrit : > However, the key "usage=" is also used with railways, eg usage=main, > usage=branch. This might be considered a problem by some mappers, > though at least all of the values used for railways are completely > different than the