Hi! I have some thoughts in the start_date tag, as I find it a bit too vague - meaning start of what?
Example: There is this museum, which openened in 2011, but the building is much older, it was built in 1725: https://www.openstreetmap.org/relation/1937535 An option would be to prefix start_date with the key of the indicating tag, e.g. amenity:start_date would describe the start_date of the current amenity. So, non-prefixed start_date would apply to all other tags. This seems to be quite popular anyway, but I don't know if this ever has been agreed upon - at least it's not documented as such: https://taginfo.openstreetmap.org/search?q=start_date For the museum, which I mentioned before, I used the following tags: - start_date=2011 - building:start_date=1725 Other remarks: It would also be interesting to be able to tag the start of construction - often construction starts many years before the building is finshed: Airport BER in Berlin, Germany or La Sagrada Familia in Barcelona, Spain are famous examples. How to tag this? Maybe: construction:start_date? Any thougths on this? greetings, Stephan PS: OpenStreetBrowser has a category which shows building:start_date resp. start_date: https://www.openstreetbrowser.org/#categories=buildings-start_date PS: I even found, that people translate 'start_date' by using a language suffix (e.g. start_date:fr, start_date:ja): - https://taginfo.openstreetmap.org/keys/start_date%3Afr#values - https://taginfo.openstreetmap.org/keys/start_date%3Aja#values I wrote a node module which can translate start_date values (English, German, French available). Pull requests welcome! https://github.com/plepe/openstreetmap-date-format -- Seid unbequem, seid Sand, nicht Öl im Getriebe der Welt! - Günther Eich ,----------------------------------------------------------------------. | Stephan Bösch-Plepelits ❤ code ❤ urbanism ❤ free software ❤ cycling | | Projects: | | > OpenStreetMap: openstreetbrowser.org > openstreetmap.at | | > Urbanism: Radlobby Wien | | Contact: | | > Mail: [email protected] > Blog: plepe.at > Code: github.com/plepe | | > Twitter: twitter.com/plepe > Jabber: [email protected] | | > Mastodon: @[email protected] | `----------------------------------------------------------------------'
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