Dear Jeff
Thanks so much for your enthusiasm, your response time is fantastic!
I like PicLayer but using only 3 points I could never get the map to align properly (which is a defect of the map for sure). It works well for maps that are drawn more recently and dont need warping, e.g building outlines or archeological dig site maps.
PS: if you love these ortho layes, you will love these
photos: https://map.geo.admin.ch/?lang=de&topic=swisstopo&bgLayer=voidLayer&X=185466.05&Y=647539.98&zoom=1&layers=ch.swisstopo.swissimage-product&time=1979&layers_timestamp=1979&catalogNodes=1430
maps: https://map.geo.admin.ch/?topic=swisstopo&zoom=2&lang=de&bgLayer=ch.swisstopo.pixelkarte-farbe&catalogNodes=1392&layers=ch.swisstopo.zeitreihen&time=1864&layers_timestamp=18641231&E=2665750.00&N=1208625.00
(from here https://www.swisstopo.admin.ch/de/online/maps-online/journey-images.html ) unfortunately these are clearly not under a free license
Gesendet: Montag, 13. Juli 2020 um 11:57 Uhr
Von: "Jeff Meyer" <[email protected]>
An: "Hannes Röst" <[email protected]>
Cc: "Open Historical Map" <[email protected]>
Betreff: Re: [OHM] Available background layers in editor
Von: "Jeff Meyer" <[email protected]>
An: "Hannes Röst" <[email protected]>
Cc: "Open Historical Map" <[email protected]>
Betreff: Re: [OHM] Available background layers in editor
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
Jeff
On Sun, Jul 12, 2020 at 10:55 PM Hannes Röst <[email protected]> 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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Jeff Meyer
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t: @OpenHistMap
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