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Soc map rectification_tools_2011

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Society of cartographers conference 2011 plymouth

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Soc map rectification_tools_2011

  1. 1. http://maps.nypl.org Putting a Map Library On the Net Entropy Free Tim Waters Crowdsourcing the georectification of historical maps
  2. 3. http://www.flickr.com/photos/havovubu/3728604649/ Crowdsourcing?
  3. 4. Crowdsourcing ? “ I find the term incredibly irritating... Any company that thinks it’s going to build a site by outsourcing all the work to its users not only disrespects the users but completely misunderstands what it should be doing. Your job is to provide a structure for your users to Collaborate, and that takes a lot of work”. Jimmy Wales, Wikipedia
  4. 5. Benkler's Coase's Penguin! Non monetary motivation Discrete multi sized pieces Low cost integration
  5. 7. How to make people happy to put your maps on the internet and trace over them for you!
  6. 8. http://www.flickr.com/photos/wallyg/
  7. 9. Isothermal chart, or, View of climates & productions / drawn from the accounts of Humboldt & others, by W.C. Woodbridge. 1843
  8. 10. A new systeme of the mathematicks: containing I. Arithmetick,.... 1681
  9. 11. The English Empire in America.from Atlas minimus, or, A book of geography : shewing all the empires, monarchies, kingdomes, regions, dominions, principalities and c ountries, in the whole world 1679
  10. 12. Sacrifice Island. from America: being the latest, and most accurate description o f the Nevv vvorld 1671
  11. 17. What did they want, and why?
  12. 18. Schuyler Erle Shekhar Krishnan Entropy Free
  13. 22. http://maps.nypl.org
  14. 28. gdal_translate -a_srs '+init=epsg:4326' -of VRT /path/to/input/blah.tif /path/to/input/140_temp.vrt -gcp 34.189189189189, 150.64864864865, -0.2938842773, 0.0329589826 -gcp 544.05405405405, 327.540540540541, 0.1167297363, -0.1153563674 -gcp 542.56756756757, 9.43243243243001, 0.1167297363, 0.1084899254 gdalwarp -rn -dstalpha -s_srs 'EPSG:4326' /path/to/input/140_temp.vrt /path/to/output/140.tif -co TILED=YES Technical Gubbins
  15. 33. Layers: Buildings Districts Points of Interest Transport Network Hydrography
  16. 41. Pirates through the ages
  17. 43. http://www.flickr.com/photos/nielsvk/258851215
  18. 44. “ Rectification” “ Warping”
  19. 45. http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html
  20. 46. Other Novel Interfaces & Approaches
  21. 47. OldMapsOnline National Library of Scotland http://geo.nls.uk/maps/api/
  22. 48. http://www.georeferencer.org/ http://www.maptiler.org/ for standalone maps
  23. 49. MapAnalyst http://mapanalyst.cartography.ch/ & Georeferencer.org
  24. 50. Migurski from Stamen Design – Sanborn Fire Insurance Maps David Rumsey Collection
  25. 54. NYPL Living Atlas
  26. 56. http://www.flickr.com/photos/captkodak/289819621
  27. 59. http://mapwarper.net http://github.com/timwaters/mapwarper
  28. 60. @tim_waters http://maps.nypl.org http://maps.nypl.org

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