Re: [Tagging] one feature one element

2019-07-05 Thread Joseph Eisenberg
>> *"For example, use the feature leisure=picnic_site with the property >> tag drinking_water=yes, instead of using the separate feature tag >> amenity=drinking_water on the same node or area." >> >> This example is a bad idea and mappers shouldn't be encouraged to do >> so. amenity=drinking_water

Re: [Tagging] one feature one element

2019-07-05 Thread Warin
On 05/07/19 19:57, Mariusz wrote: On 05.07.2019 07:05, Joseph Eisenberg wrote: I've removed this statement from the page because it leads to ambiguous data and directly contradicts the One feature per one element rule [Examples of bad situations:] "An area object representing a single-use build

Re: [Tagging] one feature one element

2019-07-05 Thread Tobias Knerr
On 05.07.19 11:57, Mariusz wrote: > On 05.07.2019 07:05, Joseph Eisenberg wrote: >> [Examples of bad situations:] "An area object representing a >> single-use building with a point object inside it. Move the tags to >> the area object and delete the point." > > This is common and widly accepted pr

Re: [Tagging] one feature one element

2019-07-05 Thread Jmapb via Tagging
On 7/4/2019 11:17 PM, Joseph Eisenberg wrote: We've also had problems with features tagged "tourism=camp_site" or "landuse=meadow" plus "barrier=hedge" or "barrier=wall". Is the barrier supposed to be an area or a linear feature in this case? I can see the confusion here, but I think this rule s

Re: [Tagging] one feature one element

2019-07-05 Thread Mariusz
On 05.07.2019 07:05, Joseph Eisenberg wrote: I've removed this statement from the page because it leads to ambiguous data and directly contradicts the One feature per one element rule [Examples of bad situations:] "An area object representing a single-use building with a point object inside it.

Re: [Tagging] one feature one element

2019-07-04 Thread Joseph Eisenberg
I've removed this statement from the page because it leads to ambiguous data and directly contradicts the One feature per one element rule [Examples of bad situations:] "An area object representing a single-use building with a point object inside it. Move the tags to the area object and delete the

Re: [Tagging] one feature one element

2019-07-04 Thread Joseph Eisenberg
I agree that this page could be improved. Until now it hasn't mentioned the problems with tagging multiple features on one database object. This can be difficult for database users, for example this comment at the Openstreetmap-carto github page: https://github.com/gravitystorm/openstreetmap-carto

Re: [Tagging] one feature one element

2019-07-04 Thread Warin
On 05/07/19 03:11, marc marc wrote: Le 04.07.19 à 18:26, Jmapb a écrit : As far as I know, amenity=school is the *only* accepted landuse-esque tagging for school grounds. it's the perfect example of confusion between two different things. if a school is located on the ground floor of an apartme

Re: [Tagging] one feature one element

2019-07-04 Thread Jmapb
On 7/4/2019 1:11 PM, marc marc wrote: it's the perfect example of confusion between two different things. if a school is located on the ground floor of an apartment, office, or commercial building, believing that amenity=school is a landuse is wrong. in this case amenity=school (as a node or a wa

Re: [Tagging] one feature one element

2019-07-04 Thread Jmapb
On 7/4/2019 12:48 PM, Martin Koppenhoefer wrote: you could also overlap (multipolygons or not) different schools when they share the indoor space, but if there are distinct names for the campus and the schools, we would need a tag for the campus which we don’t have yet, AFAIK Cheers, Martin Yea

Re: [Tagging] one feature one element

2019-07-04 Thread marc marc
Le 04.07.19 à 18:26, Jmapb a écrit : > As far as I know, amenity=school is the *only* accepted landuse-esque > tagging for school grounds. it's the perfect example of confusion between two different things. if a school is located on the ground floor of an apartment, office, or commercial building,

Re: [Tagging] one feature one element

2019-07-04 Thread Martin Koppenhoefer
sent from a phone > On 4. Jul 2019, at 18:26, Jmapb wrote: > > But what I'm faced with very often in NYC is a single campus, > sometimes with one building and sometimes more, that's shared by several > schools -- and there's no accurate way to divide up the buildings. you could also overlap

Re: [Tagging] one feature one element

2019-07-04 Thread Jmapb
On 7/4/2019 6:33 AM, Warin wrote: On 04/07/19 20:09, Janko Mihelić wrote: I've been tagging it with an empty amenity=school polygon around everything, and then two points with amenity=school + name=* + all the other specific tagging. I too have used similar. Usually a polygon/way with one scho

Re: [Tagging] one feature one element

2019-07-04 Thread Warin
On 04/07/19 20:09, Janko Mihelić wrote: I've been tagging it with an empty amenity=school polygon around everything, and then two points with amenity=school + name=* + all the other specific tagging. I too have used similar. Usually a polygon/way with one school on it and then a node inside it

Re: [Tagging] one feature one element

2019-07-04 Thread Janko Mihelić
I've been tagging it with an empty amenity=school polygon around everything, and then two points with amenity=school + name=* + all the other specific tagging. But if mapped like that, a data consumer would see 3 schools. I like your solution with overlapping multipolygons. Janko čet, 4. srp 2019

[Tagging] one feature one element

2019-07-04 Thread Martin Koppenhoefer
The one feature page states: More than one of something on the same site e.g. two schools sharing grounds. Normally if the schools are separate they would have separate neighbouring grounds, but if the only thing defining a separation between two schools is their buildings, then the containing a