[Talk-GB] Railway Platforms - Covered=yes are not shown in latest rendering

[Andy Townsend]

On 29/05/2018 14:53, Tony Shield wrote:
>
> Checked that my changes had rendered ok but found to my horror that 
> the platforms had disappeared. Investigations showed -
>
> https://www.openstreetmap.org/user/kocio/diary -
>
>
>     OpenStreetMap Carto release v4.11.0
>     <https://www.openstreetmap.org/user/kocio/diary/43902>
>
> Posted bykocio <https://www.openstreetmap.org/user/kocio>on 11 May 
> 2018 inEnglish (Englis <https://www.openstreetmap.org/diary/en>h) 
> <https://www.openstreetmap.org/diary/en>
>
>   * Hiding railway=platform with location=underground, tunnels and
>     covered=yes
>

Personally I think that's an error on their part (although it's their* 
style not mine etc. etc.).  The relevant issue is 
https://github.com/gravitystorm/openstreetmap-carto/pull/3162 and no one 
said "it's a silly idea" so it's difficult to criticise the person who's 
idea it was going forward on that basis.

> Have changed Chorley to delete covered tag - expect the render to show 
> as expected for the surface.

If it was me I wouldn't change the tagging just to match one particular 
renderer - someone might come along and do something useful with the tag 
later, but they can only do that if the data's there.  Personally I've 
tended to do partially-covered station platforms as "building=roof" (if 
I've even remembered to do that) but I might be in a minority of 1 there.

In the meantime I'm sure that there are lots of maps that show covered 
railway platforms - I know that 
https://map.atownsend.org.uk/maps/map/map.html#zoom=18&lat=53.653154&lon=-2.626704 
does.

>
> Looking at Manchester Piccadilly I can see that there are many 
> opportunities to improve the data and thus the representation, anyone 
> fancy a mapping party there?
I'm sure that you'd get a few takers for that - might be worth trying to 
contact the group that organised the "Joy Diversion" the other week and 
see if you can invite attendees to that along.

Best Regards,

Andy

* the people who put the hard graft into designing and developing the 
style are naturally the people who get most influence over how it looks.

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