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_Kamer 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. They are from the period 1885-1995.

The images are in 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, Delta Works, Canals in Friesland, IJsselmeer and 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@kb.nl

+31 (0)70 3140 388
@ookgezellig

www.slideshare.net/OlafJanssenNL

 

 

 


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