Soc map rectification_tools_2011
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Society of cartographers conference 2011 plymouth

Society of cartographers conference 2011 plymouth

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Soc map rectification_tools_2011 Presentation Transcript

  • 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?
  • 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
  • 5. Benkler's Coase's Penguin! Non monetary motivation Discrete multi sized pieces Low cost integration
  • 6.  
  • 7. How to make people happy to put your maps on the internet and trace over them for you!
  • 8. http://www.flickr.com/photos/wallyg/
  • 9. Isothermal chart, or, View of climates & productions / drawn from the accounts of Humboldt & others, by W.C. Woodbridge. 1843
  • 10. A new systeme of the mathematicks: containing I. Arithmetick,.... 1681
  • 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
  • 12. Sacrifice Island. from America: being the latest, and most accurate description o f the Nevv vvorld 1671
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  • 17. What did they want, and why?
  • 18. Schuyler Erle Shekhar Krishnan Entropy Free
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  • 22. http://maps.nypl.org
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  • 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
  • 29.  
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  • 31.  
  • 32.  
  • 33. Layers: Buildings Districts Points of Interest Transport Network Hydrography
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  • 41. Pirates through the ages
  • 42.  
  • 43. http://www.flickr.com/photos/nielsvk/258851215
  • 44. “ Rectification” “ Warping”
  • 45. http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html
  • 46. Other Novel Interfaces & Approaches
  • 47. OldMapsOnline National Library of Scotland http://geo.nls.uk/maps/api/
  • 48. http://www.georeferencer.org/ http://www.maptiler.org/ for standalone maps
  • 49. MapAnalyst http://mapanalyst.cartography.ch/ & Georeferencer.org
  • 50. Migurski from Stamen Design – Sanborn Fire Insurance Maps David Rumsey Collection
  • 51.  
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  • 54. NYPL Living Atlas
  • 55.  
  • 56. http://www.flickr.com/photos/captkodak/289819621
  • 57.  
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  • 59. http://mapwarper.net http://github.com/timwaters/mapwarper
  • 60. @tim_waters http://maps.nypl.org http://maps.nypl.org