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Maps, News and Geography

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Presentation from the Data Swap conference at Northeastern University on Oct 17th, 2013. Gives an overview of the Power of Maps, a project using geodata, and a quick tour of mapping technologies on the web.

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Maps, News and Geography

  1. 1. News Geography Catherine D’Ignazio The MIT Center for Civic Media dignazio@mit.edu
  2. 2. First
  3. 3. Maps seduce us with • Facticity • Their complexity and claim to completeness • Their visuality and our desire to see the “whole world”
  4. 4. Theatrum Orbis Terrarum by Abraham Ortelius, 1570
  5. 5. Hand-held Subway by Nina Katchadourian, 1996
  6. 6. As data designers you can use that seductive power of the map not just to describe the world but to reimagine the world Targets by Joyce Kozloff, 2000
  7. 7. Silent London by Simon Elvins, 2005
  8. 8. Political/Hydrological by Lauren Rosenthal, 2006
  9. 9. Pumpkin Map by Denis Wood
  10. 10. The upside-down Hobo-Dyer Equal Area Projection
  11. 11. Mapping the Globe Catherine D’Ignazio, Research Assistant MIT Center for Civic Media
  12. 12. Mapping the Globe Is news coverage distributed equally in Greater Boston? ✦ What factors explain the unequal distribution of attention? ✦ Beyond quantitative measures of media attention how can we assess qualitative measures? ✦ globe.mediameter.org
  13. 13. globe.mediameter.org
  14. 14. globe.mediameter.org
  15. 15. globe.mediameter.org
  16. 16. globe.mediameter.org
  17. 17. globe.mediameter.org
  18. 18. • Global Next Steps • Comparative • Integrated with MediaCloud mediacloud.org
  19. 19. Geoparsing the News 101 Q. Can a computer tell where this text is about? A.Yes! With 85% accuracy.
  20. 20. Geoparsing the News 102 Geolocated article Civic sauce CLAVIN Stanford NER parser News Article
  21. 21. Lightning Tour of Map Tech
  22. 22. Do you just need to make an image? • Wikimedia for shape files + Adobe Illustrator for editing • Use an .SVG file for easy styling with CSS
  23. 23. Do you need to do spatial analysis? • ArcGIS by ESRI • QGIS for open source GIS • Then Adobe Illustrator or Photoshop for laying out the image • CartoDB for GIS in the browser
  24. 24. Do you want to make an interactive web map? • Google Maps API • LeafletJS • Modest Maps • OpenLayers • D3.js
  25. 25. Do you need a particular projection?
  26. 26. Do you need to zoom? • Use a tile-based system like: • Google Maps API • LeafletJS
  27. 27. Do you want really awesome map tiles? Check out the custom ones from Stamen Design
  28. 28. Do you want fine-grained control over styles & colors? • MapBox/LeafletJS/TileMill - CartoCSS language • Google Maps API has the “StyledMapsWizard”
  29. 29. Do you want to be able to print your map? • D3.js • Base your map on an SVG file & style with CSS • Or just make it a static image
  30. 30. Do you need to show custom shapes? • GIS shapefiles -> KML -> GoogleMaps • GIS shapefiles -> GDAL/OGR -> GeoJSON -> GoogleMaps/LeafletJS • GIS shapefiles -> GDAL/OGR -> GeoJSON -> D3 -> TopoJSON -> D3.js
  31. 31. Do you want to show time? • D3 transitions • CartoDB • http://www.theguardian.com/news/datablog/ interactive/2012/oct/01/first-world-warroyal-navy-ships-mapped
  32. 32. thanks more info: dignazio@mit.edu civic.mit.edu/blog/kanarinka

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