Mongo sp geoindexes

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Mongo sp geoindexes

  1. 1. Mongodb: Geographic Indexes Eduardo Marcel Maçan July 22, 2011
  2. 2. Regular Documents
  3. 3. Documents with coordinates
  4. 4. Coordinate Formats
  5. 5. Creating the Geo2d Index
  6. 6. Exact Queries
  7. 7. “near” queries
  8. 8. Bounds Queries
  9. 9. The geoNear command
  10. 10. GeoHashing
  11. 11. GeoHashing
  12. 12. GeoHashing
  13. 13. GeoHashing
  14. 14. GeoHashing
  15. 15. GeoHashing
  16. 16. GeoHashing
  17. 17. Maps & The Real World
  18. 18. Projections http://en.wikipedia.org/wiki/File:Tissot_mercator.png
  19. 19. Spherical Model
  20. 20. Spherical Model
  21. 21. More Info <ul><li>http://www.mongodb.org/display/DOCS/Geospatial+Indexing
  22. 22. http://www.snailinaturtleneck.com/blog/2011/06/08/mongo-in-flatland/
  23. 23. http://geohash.org/site/tips.html </li></ul>
  24. 24. Thanks! Eduardo Marcel Maçan @eduardomacan http://eduardo.macan.eng.br [email_address] [email_address]

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