[OHM] Available background layers in editor

Jeff Meyer jeff at gwhat.org
Mon Jul 13 15:57:58 UTC 2020


Hi Hannes -

I LOVE these layers. Thank you!!!

This tweet contains diagrams that show how to add those layers (1 at a
time) to iD: https://twitter.com/OpenHistMap/status/1279135482283085824

The general problem you're describing (not having cool historic
baselayers automatically show up in iD) could be solved by having an
OHM-specific Editor Layer Index (
https://github.com/osmlab/editor-layer-index) & having OHM's iD point at
that. That's a brilliant idea. I've opened a ticket to do just that. It
might actually be relatively easy, but "easy" things rarely are & still
take work. : )  (https://github.com/OpenHistoricalMap/issues/issues/122) A
cool side note: ELI works in JOSM with a small preference setting change. 2
for the price of 1.

And, THANK YOU for editing the Wiki page. Fortune favors the bold, my
friend!
(Piclayer can indeed be fussy, but with a little practice, it's pretty cool)

Those Orthos are quite cool, as well.

These are all awesome & exciting suggestions - I encourage others to share
their thoughts and experiences and to check out Hannes' links.

: )
Jeff





On Sun, Jul 12, 2020 at 10:55 PM Hannes Röst <hannesroest at gmail.com> wrote:

> Dear Jeff and others
>
> Currently the default iD editor seems to have the same background
> layers available as OSM and I currently dont see any customization for
> OHM. I think it would be cool to have a few pre-set options to choose
> from to get people started. I know this can be configured to be region
> specific (for example if I go to Switzerland, Thurgau then the "Kanton
> Thurgau OF 2017" shows up but nowhere else since these fotos are only
> there for Thurgau) so it would be great to collect a bunch of
> background tiles one could use.
>
> Digital Atlas of the Roman Empire (DARE):
> https://dh.gu.se/tiles/imperium/{z}/{x}/{y}.png  (CC BY 4.0, Europe
> specific)
> Sulzberger map:
> http://warper.wmflabs.org/maps/tile/3271/{z}/{x}/{y}.png  (CC0,
> location-specific)
>
> I think this could help "newbies" quite a bit and give them a cool
> place to start mapping. It could also help with attribution since we
> could store what source information was used for each object and edit.
> The least we could do is collect a few "interesting" layers on the
> wiki and help newbies to get started.
>
> Of course eventually this could be location and time-period specific
> and the "right" background map could just show up "magically" on the
> right side for mapping.
>
> I know that this functionality already exists on the Warper side (eg
> http://warper.wmflabs.org/maps//3271#Trace_tab) but there are more
> maps out there then what Warper has and some countries provide tiles
> for historic maps. Have you previously thought about that?
>
> Secondly, it took me some time (and struggling with the very limited
> PicLayer JOSM plugging that can only use 3 control points and seems to
> do very limited warping) to actually find the Warper and the wiki page
> https://wiki.openstreetmap.org/wiki/MapWarper is only mentioned once
> in a long list of tools. I was bold and added this workflow to the
> wiki page myself:
>
> https://wiki.openstreetmap.org/wiki/Open_Historical_Map#How_to_trace_a_historic_map_in_OHM
> for other to find more easily
>
> Thirdly, just to bother you more with my usecase: the Swiss Cantons
> provide access to Orthofotos layers and they have them historic!
> (yay!). Now that may be a cool usecase for this to play around:
> https://josm.openstreetmap.de/wiki/Maps/Switzerland - for example grab
> the
>
> Kanton Glarus Orthophoto 2013 {view}
> Kanton Glarus Orthophoto 2015 {view}
> Kanton Glarus Orthophoto 2017 {view}
>
> and you have historic 4 years of Orthophoto (Switzerland has these
> going back to the 70s but probably not all under suitable licence).
>
>
>
> Best
>
> Hannes
>
> _______________________________________________
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> Historic at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/historic
>


-- 
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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