Spatial is Not Special ?
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Spatial is Not Special ?

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short presentation to help the gis specialists to understand the neocartographers and viceversa

short presentation to help the gis specialists to understand the neocartographers and viceversa

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Spatial is Not Special ? Presentation Transcript

  • 1. Spatial is notSpecial (?) Maurizio Napolitano maurizio.napolitano@okfn.org
  • 2. The gis background
  • 3. The gis wikification paper here http://tinyurl.com/gis-jolie
  • 4. form the GIS specialists to the neogeographersGreat "Long Tail" Illustration by John Hyde of LeftClick.com
  • 5. OpenStreetMap is a free worldwide map, created by people like you. ~
  • 6. http://tools.geofabrik.de/mc
  • 7. Watercolor map by Stamenhttp://content.stamen.com/files/cartography/index_watercolor.html#12.00/60.1752/24.9601
  • 8. http://softcities.net https://plus.google.com/112153365286725889851/posts/EmPDFXNN7tJ
  • 9. How avoiding to REINVENT THE WHEEL?Markus Netelercoordinator of the GRASS project
  • 10. GRASS + PARAVIEW = from gis to the a brain model (by a TAC)http://gis.cri.fmach.it/download/from_mrt_to_voxel_grass_gis_paraview.pdf
  • 11. GRASS + PARAVIEW = from gis to the a brain model (by a TAC)
  • 12. Commission on Neocartographythe newly established ICA Commission onNeocartographyhttp://neocartography.icaci.org/ ICA = International Cartography Association http://icaci.org/first-meeting-of-the-commission-on-neocartography/
  • 13. Spatial is Special? NO! YES! ● Data are data ● Maps are the power ● The Geographical Information Systems are very well defined The map simplifies the complexitySpatial is Indeed Special…but GIS Software Skills will Soon be Obsolete http://justinholman.com/2012/03/20/spatial-is-indeed-special/
  • 14. The GIS recipe● Projections● Data models● Analysis● Rendering
  • 15. Projectionssource: http://xkcd.com/977/
  • 16. Ex. Cilindric projection (X,Y)
  • 17. Datum geoid Ex. World Geodetic System 84http://www.gisetelerilevamento.com/2010/04/superfici-di-riferimento-e-coordinate/
  • 18. Universal Traverse Mercatorsource: USGS
  • 19. UTM Zonehttp://upload.wikimedia.org/wikipedia/commons/e/ed/Utm-zones.jpg
  • 20. The most used in web devel.● EPSG:4326 - WGS84 – Degree (lat/long) – WGS84● EPSG:900913 – Google Mercator – Meters – WGS84 – World without polos ● Digit version of the word GOOGLE
  • 21. EPSG?ex European Petroleum Survey Group http://www.epsg.org/ simplyfies your lifehttp://spatialreference.org/
  • 22. Data ModelsDiscrete Data Continuous DataVectors with Matrixattributes Ex.Points Digital Elevations ModelsLines Solar Power cellsPolygons Orthophotos GEOREFENCED
  • 23. Example Raster http://en.wikipedia.org/wiki/Esri_grid
  • 24. DTM gray
  • 25. DTM elevation
  • 26. Example Vector
  • 27. Points
  • 28. Lines
  • 29. Overlay
  • 30. Query