[OHM] Introduction; Overpass; Dates in OSM / OHM

[Jeff Meyer]

Holy smokes, this is awesome!! Thank you for everything here - updating the
wiki, and especially the code. I've just taken a brief look, but anything
that can help ease working with the historical data is extremely helpful.

We are on the front end of some inspector improvements for OHM (
https://docs.google.com/presentation/d/1UnyeglP1q_ef_i1gtvK6czzhuVLhdALdA3PGMXFrl_w/edit#slide=id.g57ccd11945_0_0)
that
could directly benefit from OpenStreetBrowser... I wasn't familiar with it
before. This is sehr fantastisch.

The regexp stuff is something I would encourage everyone on the list to
check out. You might only truly appreciate it if you've ever worked with
regex's. ; )

Looking forward to further work / integrations we can leverage.

Thank you, thank you, thank you,
Jeff



On Tue, Sep 24, 2019 at 5:22 AM Stephan Bösch-Plepelits <skunk at xover.mud.at>
wrote:

> Hi!
>
> I attended the workshop on OpenHistoricalMap at the SOTM in Heidelberg and
> talked with Sanjay afterwards. It's a very interesting project!
>
> I noticed you already have an Overpass API for OpenHistoricalMap - but
> according to the Wiki, you can't use it with Overpass Turbo. This is not
> true, you can enter the OHM Overpass URL into Overpass Turbo settings.
> I documented this here:
> https://wiki.openstreetmap.org/wiki/Open_Historical_Map#Using_the_data
>
> Also, we talked about dates. The start_date (and the end_date which you
> want
> to use) have a very complex syntax. For my project OpenStreetBrowser I've
> already written a parser and a human readable formatter (as npm modules):
> - https://github.com/plepe/openstreetmap-date-parser
> - https://github.com/plepe/openstreetmap-date-format
>
> I had the idea, that we also need a regular expression generator - so you
> can search in Overpass for objects matching certain criteria (like: give me
> all objects which were built in the 17th century or before/after a specific
> date).
>
> Here you are:
> - https://github.com/plepe/openstreetmap-date-query
>
> I'm also planning to integrate this into OpenStreetBrowser - this could be
> useful in the category "Buildings age", where you could filter for
> buildings from a certain date range:
>
> https://www.openstreetbrowser.org/#map=18/47.07108/15.43863&categories=buildings-start_date
>
> Hope this is useful for the OpenHistoricalMap as well! I'm looking forward
> to contributions (e.g. additional translations for the date formatter).
>
> greetings,
>         Stephan
> --
> 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: skunk at xover.mud.at > Blog: plepe.at > Code: github.com/plepe |
> | > Twitter: twitter.com/plepe > Jabber: skunk at jabber.at               |
> | > Mastodon: @plepe at en.osm.town                                       |
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-- 
Jeff Meyer
206-676-2347
osm: Open Historical Map (OHM)
<http://wiki.openstreetmap.org/wiki/Open_Historical_Map> / my OSM user page
<http://www.openstreetmap.org/user/jeffmeyer>
t: @OpenHistMap
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