Hello again,

I am starting to get the basics of adding new fields to project.mml, but I now 
wish to update “amenity-points” so that bus stops use the network name from the 
“stop_area”, like they do in France. At the moment I can manage:

    tags->'network' AS network,

… which calls up the network tag from the node only. How do I make it to read 
from the “stop_area” relation too?

Apologies for being very specific: I am very new to anything beyond simple 
recolours.

— ika-chan!

> On 25 Aug 2020, at 21:44, Andy Townsend <[email protected]> wrote:
> 
> On 25/08/2020 19:52, Mateusz Konieczny via dev wrote:
>> Yes, I always used normal text editor.
>> 
> Same here.  There are projects such as 
> https://wiki.openstreetmap.org/wiki/TileMill which were / are designed to 
> automate map reloading after changes, but when I last used TileMill (a long 
> time ago) there were signnificant problems using TileMill with an OSM 
> Carto-derived style (not least - there are so many tabs that they disappeared 
> off the screen).  I tend to just reload when I want to rerender.  When 
> changing my own OSM Carto-derived map style I use 
> https://github.com/SomeoneElseOSM/SomeoneElse-style/blob/master/update_render.sh
>  and 
> https://github.com/SomeoneElseOSM/SomeoneElse-style/blob/master/update_carto.sh
>  to reload data (the first if a lua script has changed and the database needs 
> to be reloaded; the second if only a style file has changed and the style 
> just needs to be recompiled).
> 
> 
>> If you want to see how changes are done
>> I would recommend looking at pull requests
>> and commit history.
>> 
> I tried to summarise "Adding a change to OSM Carto" at 
> https://www.openstreetmap.org/user/SomeoneElse/diary/43041 ; some of that 
> won't be relevant but some of it might still be - things like testing the 
> effect of a colour change.
> 
> If you haven't seen it already, please do read 
> https://ircama.github.io/osm-carto-tutorials/git-workflow/ and the related 
> tutorials there - they're excellent!
> 
> Best Regards,
> 
> Andy
> 
> 
> 
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