Blackpool, UK

General talk
1

Could anyone tell me why the town name for Blackpool, UK is not appearing until 1km zoom level on openstreetmap.org?

Other major towns like Poulton-le-Fylde and Lytham St Annes start appearing at 10km zoom level!

I did add a geography object usinf JSOM as there was not one there for Blackpool and believe I have added the correct tags.

I also tried moving the geography to a different location but this did not make a difference - in fact the old location is appearing at 1km and 500m zoom levels with the new location not appearing until 200m.

2

It is depend on renderer
https://www.openstreetmap.org/node/5527648921#map=11/53.8383/-2.9951&layers=H
I think some

  1. 2 days could be not enough to update tiles on all zoom level. Try Ctrl-F5 to force reload images
  2. Some near objects suppress label painting

Try to set population tag to get more information for rendering priority.

3

Blackpool node also is included in the relation https://www.openstreetmap.org/relation/148603
but with wrong role (empty role)

4

It is very important to add the population tag as well, otherwise the renderer does not know how big that town is. Btw, should Blackpool tagged as town or is it a city? In the Netherlands we see town as a place with a population of ~10.000-100.000. Above this we call it a city.

5

It looks like it’s a feature with the “standard” map style. Other styles show it OK (see e.g. https://map.atownsend.org.uk/maps/map/map.html#zoom=10&lat=53.8233&lon=-3.086 ).

The relevent bit of the standard style code seems to be around https://github.com/gravitystorm/openstreetmap-carto/blob/6bf5512bfb2c40246552d37b093b6113cf4da25a/project.mml#L1332 . Unfortunately it’s not very easy to understand what’s happening here (even if you’re familiar with how the style works in general).

The issues list for the style is at https://github.com/gravitystorm/openstreetmap-carto/issues - maybe ask there?

6

It looks like it basically orders places by their population and renders the higher populations before lower ones. If a place doesn’t have a tagged population (like Blackpool), then an assumed value is assigned (100000 for place=city, 1000 for place=town).

7

Really, 1000? Than Blackpool is as important as a village! :laughing: