Hi Olaf,
That looks like a nice collection of maps! I added a couple to the
Wikimaps Warper. See for example
https://warper.wmflabs.org/maps/221#Preview_tab .
For people who want to play around with the Warper too:
* Go to
https://warper.wmflabs.org and login. Select Oauth Wikimedia Commons
* Go to
https://commons.wikimedia.org/wiki/Category:Media_contributed_by_Tweede_Kam…
and pick a map
* Edit the source, change "| warped = " to "| warped = 1" and save it
* You'll now have a link "View the georeferenced map in the Wikimaps
Warper", click it
* Go to the "Rectify" tab
* You'll get two maps. On the left the old map, on the right the current
OpenStreetMap (
https://warper.wmflabs.org/maps/221#Rectify_tab)
* Put a point on the same location on both maps (for example a city) and
click "Add Control Point"
* Do this for at least three points, but more is better. Try to spread
them around the map
* Click "Warp image" and wait
* Go to the "Preview" tab to see your work
(
https://warper.wmflabs.org/maps/221#Preview_tab)
Maarten
Op 20-11-2015 om 15:42 schreef Olaf Janssen:
Hi,
This might be interesting for those interested in Dutch (colonial)
history: last week I did an donation of 512 maps and images from the
proceedings of the Dutch Parliament (the so-called States General
<https://en.wikipedia.org/wiki/en:States_General_of_the_Netherlands>.
They are from the period 1885-1995.
The images are in Category:Media contributed by Tweede Kamer
<https://commons.wikimedia.org/wiki/Category:Media_contributed_by_Tweede_Kamer>.
Every image has geo coordinates for the map centre.
The set has some unique content, not only about the Netherlands, but
also about its former colonies Dutch East-Indies (now Indonesia) and
Suriname. Themes include the Delta Works, polders, land reclamation
and the construction of roads, railways, and ports.
To foster reuse, I started assigning thematic categories to some
images, for example Eastern Scheldt
<https://commons.wikimedia.org/wiki/Category:Eastern_Scheldt>, Delta
Works <https://commons.wikimedia.org/wiki/Category:Delta_Works>,
Canals in Friesland
<https://commons.wikimedia.org/wiki/Category:Canals_in_Friesland>,
IJsselmeer <https://commons.wikimedia.org/wiki/Category:IJsselmeer>
and Railway lines in the Netherlands
<https://commons.wikimedia.org/wiki/Category:Railway_lines_in_the_Netherlands>
Met vriendelijke groet / With kind regards
Olaf Janssen
Wikipedia & open data coordinator
Koninklijke Bibliotheek- National Library of the Netherlands
olaf.janssen(a)kb.nl <mailto:olaf.janssen@kb.nl>
+31 (0)70 3140 388
@ookgezellig
www.slideshare.net/OlafJanssenNL <http://www.slideshare.net/OlafJanssenNL>
Koninklijke Bibliotheek, National Library of the Netherlands
Prins Willem-Alexanderhof 5 | 2595 BE Den Haag
Postbus 90407 | 2509 LK Den Haag | (070) 314 09 11 |
www.kb.nl
<http://www.kb.nl/>
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