Lidar 101

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This presentation was received well at the 2011 NACIS conference in Madison, WI during Practical Cartography Day. It serves as an introduction to LiDAR technology and its utility for cartographic purposes.

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Lidar 101

  1. 1. Source: wy.nrcs.usda.gov LiDAR 101 Matthew Hampton matthew.hampton@oregonmetro.gov NACIS 2011 - Madison, WI Wednesday, October 12, 2011 1
  2. 2. What is LiDAR? Light Detection And Ranging Is it better? 30m px Source: pubs.usgs.gov/of/2007/1285/pdf/ Wednesday, October 12, 2011 1m px 2
  3. 3. Wavelength for LiDAR Wavelength Source: photogrammetrydevelopment.blogspot.com Wednesday, October 12, 2011 3
  4. 4. Source: gulfsci.usgs.gov Wednesday, October 12, 2011 4
  5. 5. Source: Oregon Metro Wednesday, October 12, 2011 Point cloud 5
  6. 6. Multiple returns Source: cfr.wahington.edu Wednesday, October 12, 2011 6
  7. 7. Surface Creation Source: cfr.wahington.edu Wednesday, October 12, 2011 7
  8. 8. Source: Oregon Metro Wednesday, October 12, 2011 8
  9. 9. Source: Oregon Metro Wednesday, October 12, 2011 9
  10. 10. Source: Oregon Metro Wednesday, October 12, 2011 10
  11. 11. Source: Oregon Metro Wednesday, October 12, 2011 11
  12. 12. Oblique Point Cloud Source: Oregon Metro Wednesday, October 12, 2011 12
  13. 13. Oblique Hillshade Change detection Source: vulcan.wr.usgs.gov Wednesday, October 12, 2011 13
  14. 14. Oblique Hillshade Change detection Source: vulcan.wr.usgs.gov Wednesday, October 12, 2011 14
  15. 15. Oblique Hillshade Source: Oregon Metro Wednesday, October 12, 2011 15
  16. 16. Oblique Hillshade Source: Oregon Metro Wednesday, October 12, 2011 16
  17. 17. Oblique Hillshade with Draped Aerial Photo Source: Oregon Metro Wednesday, October 12, 2011 17
  18. 18. Photo-mapped Point Cloud Greater understanding of detailed landscape Climbing/rescue maps? Source: Oregon Metro Wednesday, October 12, 2011 18
  19. 19. Vector Derivatives Wednesday, October 12, 2011 19
  20. 20. Sources http:/ /en.wikipedia.org/wiki/National_LIDAR_Dataset_–_USA http:/ /pugetsoundlidar.ess.washington.edu/lidardata/index.html http:/ /lidar.cr.usgs.gov/ csc.noaa.gov/ldart lidardata.com http:/ /www.oregongeology.org/sub/lidardataviewer/ http:/ /lidarxchange.com/lidarportal/ Wednesday, October 12, 2011 20
  21. 21. Software Wednesday, October 12, 2011 21
  22. 22. Cartographic realism? Source: Autonomous Province of Trento Wednesday, October 12, 2011 22
  23. 23. generalizations Source: Autonomous Province of Trento Wednesday, October 12, 2011 23
  24. 24. Source: Lui from Slovenia Wednesday, October 12, 2011 24
  25. 25. Source: Lui from Slovenia & Oregon Metro Wednesday, October 12, 2011 25
  26. 26. What does the future of data capture mean for cartography? Source: Navteq Wednesday, October 12, 2011 26
  27. 27. What does the future of data capture mean for cartography? Source: Navteq Wednesday, October 12, 2011 26
  28. 28. What does the future of data capture mean for cartography? Source: Navteq Wednesday, October 12, 2011 26
  29. 29. the end Matthew Hampton matthew.hampton@oregonmetro.gov Portland, Oregon other links: https:/ /www.e-education.psu.edu/lidar Wednesday, October 12, 2011 27

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