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[amenity-points] More rendering of bus stops #2227

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openstreetmap-trac opened this issue Jul 23, 2021 · 5 comments
Closed

[amenity-points] More rendering of bus stops #2227

openstreetmap-trac opened this issue Jul 23, 2021 · 5 comments

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@openstreetmap-trac
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Reporter: eda[at]waniasset.com
[Submitted to the original trac issue database at 1.23am, Thursday, 27th August 2009]

This bug is about the Mapnik style rules used to generate the default OSM slippy map.

Currently bus stops are shown at zoom levels 17 and 18. I would like to suggest:

Zoom level 16: show bus stop as a small blue dot (same colour as the existing bus stop icon, but smaller).

Zoom level 17: as at present.

Zoom level 18: additionally show the name of the stop.

Since the Naptan import in the UK there are often clusters of bus stops with the same name,
stored in OSM as a relation. The icons for each stop should be shown individually, but the name
should be printed on the map just once.

@openstreetmap-trac
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Author: Ldp
[Added to the original trac issue at 2.50pm, Monday, 31st August 2009]

Examples of such a relation? Will the separate bus stops also carry the same name=* ?

@openstreetmap-trac
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Author: Ed Avis
[Added to the original trac issue at 12.54pm, Tuesday, 1st September 2009]

Have a look at relation 206318, added by the Naptan bus stop import in London.
It has a name and contains two bus stop nodes.

Sometimes the individual nodes have a 'local_ref' or 'ref' attribute, which in London
is a single letter. This is a marker shown on the bus stop to help you find the
one you want, in places where many bus stops are near each other. This 'local_ref'
could be shown on the individual nodes at zoom level 18.

It seems that from the Naptan import, the individual nodes also have a name tag,
but I think that if the stop is part of a relation it would be better to use the
name of the relation.

@openstreetmap-trac
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Author: Ed Avis
[Added to the original trac issue at 10.52am, Sunday, 6th September 2009]

I can see little blue squares appearing at zoom level 16. Thank you!

To give an idea about how the 'local_ref' might be rendered, have a look at
http://www.tfl.gov.uk/tfl/gettingaround/maps/buses/pdf/cityoflondonnightbuses-13504.pdf.
The letters 'A' to 'Z' match the one shown at the top of each stop, as in this illustration:
http://upload.wikimedia.org/wikipedia/commons/a/a8/BUS_STOP_LONDON_v2.jpg.
Not every bus stop has such a letter - only where there are several close together.

I don't know whether other cities use a similar scheme or if it's tagged using 'local_ref' or 'ref', but there is certainly a lot of bus stop data in London like this.

@openstreetmap-trac
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Author: Ed Avis
[Added to the original trac issue at 12.05pm, Tuesday, 8th September 2009]

One snag is that the dots for bus stop are easy to confuse with the dots for natural=tree, for example in http://a.tile.openstreetmap.org/16/32749/21786.png
which comes from http://www.openstreetmap.org/?lat=51.52738&lon=-0.1019&zoom=16&layers=B000FTF.

To my eyes, the 'tree' dot looks more blue than green, especially when rendered against the cream-coloured background in this tile. Perhaps natural=tree needs tweaking to be a darker, greener kind of green?

@openstreetmap-trac
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Author: Mateusz Konieczny
[Added to the original trac issue at 6.01am, Thursday, 3rd July 2014]

" I can see little blue squares appearing at zoom level 16. Thank you! "

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