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Look Upon My (Geotagged) Works, Ye Mighty, and Despair!

May 19, 2010

Eric Fischer, yet again delivering awesome. Armed with nothing but the Flickr and Picassa APIs, OpenStreetMap, Perl and Ghostscript, he has recreated the world (or at least the vectors of photographers in 20 50 important cities).

As previously noted:

  • Motion recorded by geotagging photographers.
  • Taking all timestamps and location stamps at face value.
  • Black is walking (less than 7mph)
  • Red is bicycling or equivalent speed (less than 19mph)
  • Blue is motor vehicles on normal roads (less than 43mph)
  • Green is freeways or rapid transit.

(Update: Eric just added 30 more cities!)

Click any map for near magical 1024 x 1024 and 6137 x 6137 pixel views.

I am just glad Eric uses his powers for good and not for evil.

1) New York

2) London

3) Paris

4) San Francisco

5) Berlin

6) Barcelona

7) Boston

8) Washington DC

9) Rome

10) Toronto

11) Chicago

12) Vancouver

13) Hong Kong

14) Amsterdam

15) Madrid

16) Prague

17) Las Vegas

18) Venice

19) Stockholm

20) Tokyo

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10 Comments leave one →
  1. Taylen permalink
    May 19, 2010 4:21 pm

    these are awesome!! i love how boats show up on the map and play into the whole idea of mapping routes (even off the roads – really obvious to me on the SF one)!

  2. May 19, 2010 4:23 pm

    Thanks! I was surprised too how well it worked for the ferry routes.

  3. May 19, 2010 4:27 pm

    Yes. These are pretty amazing.

  4. Concerned Guajolote permalink
    May 20, 2010 1:32 am

    Yet again Eric Fischer kicks geospatial and urbanism ass and has his robotic assistant take names. I am curious about how this was done — is it just pairs of photos from the same source that are then strung together in a linestring and colored by distance between points divided by time apart they were taken? That is extremely elegant and clever. Do these photo site api’s let you query huge areas or do you have to do it in pieces?

    Also agree that the representations of bodies of water are particularly cool, especially the Thames at its most trafficked part.

  5. May 20, 2010 8:30 am

    Thanks! It was done pretty much as you say — the pictures are all sorted by photographer and then by time, and for any two sequential pictures taken by the same person within 10 minutes and 3 miles of each other, there is a line drawn between the locations, with speed calculated from the distance and time deltas.

    The API querying gets a little complicated because of the limits on the number of results you can receive at one time. With Flickr you can ask for a list for the whole world as long as you ask for a sufficiently short time range. Picasa does not let you limit queries by time, so you have to query for small areas to get any older results.

Trackbacks

  1. jason fager -
  2. 矢量之美 - 体恤供销社
  3. The Geotaggers’ World Atlas | geo2web.com
  4. Emergent Innovations: Geo-Tagged Photos Create City Maps « Blank (Media) Slate
  5. chenjw's blog » 矢量之美 / 煎蛋

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