Re: [Tagging] Definition of a Beach

2019-08-15 Thread Christoph Hormann
On Thursday 15 August 2019, ael wrote: > > I was going to comment that a beach has to meet the water at the same > level. That is maybe sort of implied above? As opposed to a cliff or > even wall. The beach being composed of loose material and being formed by water waves implies the beach and

Re: [Tagging] Definition of a Beach

2019-08-15 Thread Paul Allen
On Thu, 15 Aug 2019 at 13:06, Joseph Eisenberg wrote: > If there is no slope in the area between the low and high tide line, > and no wave action, you usually get a wetland=tidalflat (mud flat), or > salt marsh, or mangroves, depending on the climate, not a beach. > Sometimes wetland even if

Re: [Tagging] Definition of a Beach

2019-08-15 Thread Joseph Eisenberg
If there is no slope in the area between the low and high tide line, and no wave action, you usually get a wetland=tidalflat (mud flat), or salt marsh, or mangroves, depending on the climate, not a beach. - Joseph On 8/15/19, Paul Allen wrote: > On Thu, 15 Aug 2019 at 12:41, ael wrote: > >> >>

Re: [Tagging] Definition of a Beach

2019-08-15 Thread Paul Allen
On Thu, 15 Aug 2019 at 12:41, ael wrote: > > I was going to comment that a beach has to meet the water at the same > level. That is maybe sort of implied above? As opposed to a cliff or > even wall. > With a cliff the high water and low water marks would be coincident, or very nearly so.

Re: [Tagging] Definition of a Beach

2019-08-15 Thread ael
On Thu, Aug 15, 2019 at 10:26:55AM +0200, Christoph Hormann wrote: > On Thursday 15 August 2019, Warin wrote: > > What is a beach? > > * there are waves breaking, at least at some times, at the water line. > * ground has a significant slope so waves roll up the beach and water I was going to

Re: [Tagging] Definition of a Beach

2019-08-15 Thread Christoph Hormann
On Thursday 15 August 2019, Warin wrote: > What is a beach? > > [...] The question you actually wanted to ask i think is what does natural=beach mean in OSM. This distinction between the meaning of a tag in OSM and the meaning of the terms used for key and value in English language is very

Re: [Tagging] Definition of a Beach

2019-08-15 Thread Warin
On 15/08/19 16:40, Joseph Eisenberg wrote: Re: > “It would usually be "the area above the Low Tide mark” Agreed. Many people map this way, which means that the part of the beach between the low tide and hight tide lines is outside of the coastline. The Openstreetmap-carto style was recently

Re: [Tagging] Definition of a Beach

2019-08-15 Thread Joseph Eisenberg
Re: > “It would usually be "the area above the Low Tide mark” Agreed. Many people map this way, which means that the part of the beach between the low tide and hight tide lines is outside of the coastline. The Openstreetmap-carto style was recently changed to handle this.

Re: [Tagging] Definition of a Beach

2019-08-15 Thread Graeme Fitzpatrick
On Thu, 15 Aug 2019 at 14:50, Warin <61sundow...@gmail.com> wrote: > On 15/08/19 14:16, Mateusz Konieczny wrote: > > Main problem with such definition is that strip of concrete/asphalt along > shore > is not a beach. > > I thought about dunes when I claimed that "beach is not > always

Re: [Tagging] Definition of a Beach

2019-08-14 Thread Warin
On 15/08/19 14:16, Mateusz Konieczny wrote: 15 Aug 2019, 03:43 by joseph.eisenb...@gmail.com: For context: yesterday Mateusz Konieczny edited the description of natural=beach on the Landuse page and commented that "beach is not always unvegetated and concrete along shore is not a

Re: [Tagging] Definition of a Beach

2019-08-14 Thread Mateusz Konieczny
15 Aug 2019, 03:43 by joseph.eisenb...@gmail.com: > For context: yesterday Mateusz Konieczny edited the description of > natural=beach on the Landuse page and commented that "beach is not > always unvegetated and concrete along shore is not a beach", and then > I used his new description on

Re: [Tagging] Definition of a Beach

2019-08-14 Thread Joseph Eisenberg
For context: yesterday Mateusz Konieczny edited the description of natural=beach on the Landuse page and commented that "beach is not always unvegetated and concrete along shore is not a beach", and then I used his new description on the natural=beach page. Re: > "Is mud not a beach?" Generally