Mapping the news 2012
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Mapping the news 2012

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An overview of how geographic information systems work and how data journalists are using them to tell better stories in print and on the web. For the 2012 NICAR conference in St. Louis.

An overview of how geographic information systems work and how data journalists are using them to tell better stories in print and on the web. For the 2012 NICAR conference in St. Louis.

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  • The foreclosures were most prominent in a ring around the city where home values had collapsed the most. The tax liens were most prominent in the central area of Tucson where the properties had fallen less in value and it was more secure to buy tax liens.
  • Also reporting by msnbc.com

Mapping the news 2012 Presentation Transcript

  • 1. Mapping the news David Herzog | Missouri School of Journalism | NICAR
  • 2. Why map data?
    • Extends computer-assisted reporting
    • Uncovers new knowledge
    • People “get” maps
    • Source of graphics and interactive Web features
  • 3. The context: Where mapping fits
    • Extension of data journalism
      • Spreadsheet
      • Database manager
      • Statistical software
      • Geographic information systems (GIS)
    • Two dimensional data
  • 4. GIS: Think database with geography
  • 5. Layering
  • 6. Geocoding: Street addresses to points
  • 7. Displaying LAT-LONG data
  • 8. Turning data into symbols
  • 9. Turning data into symbols
  • 10. Selecting by attribute
  • 11. Selecting by location
  • 12. Joining data spatially
  • 13. Spatial data processing
  • 14. Buffering
  • 15. Merging Copyright ESRI
  • 16. Clipping Copyright ESRI
  • 17. Dissolving Copyright ESRI
  • 18. Intersecting Copyright ESRI
  • 19. Union Copyright ESRI
  • 20. Bailed out banks profit from tax liens
  • 21. A roof over our heads
  • 22. Asthma ghettos
  • 23. Race disparity in traffic stops
  • 24. Ontario distracted driving convictions
  • 25. Population grows around nuke plants
  • 26. Telling demographic stories
  • 27. Soooo….what’s the catch?
    • GI$ programs demand an investment
      • Money and time
      • Time
  • 28. GIS options
    • Commercial
      • ESRI ArcGIS 10 for Desktop Basic (Win.)
      • Caliper Maptitude (Win.)
      • Cartographica (Mac)
    • Open-Source options
      • Quantum GIS a.k.a. qGIS (Win./Mac/Linux)
      • PostgreSQL + PostGIS (Win./Mac/Linux)
    • Software as a service
      • Geocommons
  • 29. Resources for learning
    • Hands-on classes at #NICAR12
      • ArcGIS
      • qGIS
    • IRE & NICAR mapping mini-boot camps
    • Mapping for stories IRE beat book
    • ESRI online training
  • 30. Contact info and bookmarks
    • David Herzog
      • [email_address]
      • @DavidHerzog on Twitter
    • http://www.delicious.com/dherzog/nicar12map