NOTICE: help.openstreetmap.org is no longer in use from 1st March 2024. Please use the OpenStreetMap Community Forum

Hi folks,

Several times I encounter whole towns/villages ambiguously mapped as landuse=residential polygons (and sometimes with a place=* tag) at its first mapping attemps, when there are no details yet. Maybe it is to see the general extent of "built-up" area or the general extent of the town. But let's say later I have added all buildings and landuse's with enough detail that this residential landuse becomes ambiguous: within it there are markets, airports, parks, hospitals and any kind of landuse you would encounter in a normal town, and even real (smaller) "residential" areas.

So what is the best practice regarding this? Would I delete the large residential area polygon as the extent of build-up can be seen with mapped features now? Or do I simply try to fine-tune its extent (most of the time it is very general)?

Thank you.

asked 31 May '18, 06:17

Privatemajory's gravatar image

Privatemajory
1.1k142233
accept rate: 23%

edited 31 May '18, 11:44

SK53's gravatar image

SK53 ♦
28.1k48268433


I was going to write "yes, delete it", but then I realized that the polygon might, at least in some cases, serve as a good place to put the place=X tag on. Remove the landuse tag, though.

Rationale: It is pointless to have overlapping, conflicting landuses. This is typical OSM iterative refinement. Stuff gets mapped coarsely at first and then replaced by better data. Having place=X,name=Y tags on a polygon and not on a point is potentially useful, because it shows the extent of the place, for example telling renderers how much "wiggle room" they have in placing labels.

permanent link

answered 31 May '18, 07:50

turepalsson's gravatar image

turepalsson
836101625
accept rate: 25%

Good point. Thanks 😉

(31 May '18, 14:12) Privatemajory

Oftentimes I see landuse=residential being used when place=neighborhood and/or an administrative boundary is more appropriate.

(02 Jun '18, 04:45) Baloo Uriza

Well, I also think the place=* tag is best put on an administrative boundary. I don't really like the idea putting it on often vague limits of built-up / groups of buildings.

(03 Jun '18, 08:03) Privatemajory

By all means, if there are appropriate admin borders to put place=tags on, do so. However, don't let the absence of admin borders stop you from putting place tags! For example, the smallest legally regognized administrative subdivision of Sweden is a kommun (admin_level=7), and some of those are... big: https://www.openstreetmap.org/relation/935541

(04 Jun '18, 08:06) turepalsson

Follow this question

By Email:

Once you sign in you will be able to subscribe for any updates here

By RSS:

Answers

Answers and Comments

Markdown Basics

  • *italic* or _italic_
  • **bold** or __bold__
  • link:[text](http://url.com/ "title")
  • image?![alt text](/path/img.jpg "title")
  • numbered list: 1. Foo 2. Bar
  • to add a line break simply add two spaces to where you would like the new line to be.
  • basic HTML tags are also supported

Question tags:

×103
×43
×18

question asked: 31 May '18, 06:17

question was seen: 1,937 times

last updated: 04 Jun '18, 08:06

NOTICE: help.openstreetmap.org is no longer in use from 1st March 2024. Please use the OpenStreetMap Community Forum