[Tagging] public_transport=platform rendering on osm-carto

Daniel Koć daniel at xn--ko-wla.pl
Wed Jun 20 14:44:38 UTC 2018

W dniu 19.06.2018 o 17:40, osm.tagging at thorsten.engler.id.au pisze:
> But I do not think that it is reasonable to add rendering for it, and at the same moment drop rendering for highway=platform, railway=platform, highway=bus_stop, railway=tram_stop and everything else that public_transport=platform is meant to replace.
> This absolutely needs to be a two step process. Add rendering for public_transport=platform first, then let people work on migrating existing data. At some point in the future it might then become possible to drop rendering for existing tags.

I want to make just one step now - replace *=platform with
public_transport=platform. Next steps might be very different and i
don't see them clearly now. It might even need PTv3 - I don't know, so I
won't touch it.

We could of course migrate by adding new type and removing old ones
after some time and I would do it. However on osm-carto we have a strong
opposition to rendering multiple similar tags (fear of fragmentation),
so I prefer to start with announcing the planned change and then make
the switch in rendering. It's just a different way of migration and if
it won't create (unnecessary in this case) tension and makes the whole
thing more probable to happen, I vote for it.

"My method is uncertain/ It's a mess but it's working" [F. Apple]

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