Lidar 101
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LiDAR 101 Source: wy.nrcs.usda.gov Matthew Hampton [email protected] NACIS 2011 - Madison, WI 1 Wednesday, October 12, 2011
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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.
Transcript of Lidar 101
LiDAR 101Source: wy.nrcs.usda.gov
Matthew [email protected]
NACIS 2011 - Madison, WI1Wednesday, October 12, 2011
What is LiDAR?Light Detection And Ranging
30m px 1m pxSource: pubs.usgs.gov/of/2007/1285/pdf/
Is it better?
2Wednesday, October 12, 2011
WavelengthSource: photogrammetrydevelopment.blogspot.com
Wavelength for
LiDAR
3Wednesday, October 12, 2011
Source: gulfsci.usgs.gov4Wednesday, October 12, 2011
Point cloudSource: Oregon Metro
5Wednesday, October 12, 2011
Multiple returns
Source: cfr.wahington.edu
6Wednesday, October 12, 2011
Surface CreationSource: cfr.wahington.edu
7Wednesday, October 12, 2011
Source: Oregon Metro8Wednesday, October 12, 2011
Source: Oregon Metro9Wednesday, October 12, 2011
Source: Oregon Metro10Wednesday, October 12, 2011
Source: Oregon Metro11Wednesday, October 12, 2011
Oblique Point Cloud
Source: Oregon Metro12Wednesday, October 12, 2011
Change detection
Source: vulcan.wr.usgs.gov
Oblique Hillshade
13Wednesday, October 12, 2011
Source: vulcan.wr.usgs.gov
Change detection
Oblique Hillshade
14Wednesday, October 12, 2011
Oblique Hillshade
Source: Oregon Metro15Wednesday, October 12, 2011
Oblique Hillshade
Source: Oregon Metro16Wednesday, October 12, 2011
Source: Oregon Metro
Oblique Hillshade with Draped Aerial Photo
17Wednesday, October 12, 2011
Photo-mapped Point Cloud
Greater understanding of detailed landscape
Climbing/rescue maps?
Source: Oregon Metro18Wednesday, October 12, 2011
Vector Derivatives19Wednesday, October 12, 2011
Sourceshttp://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/20Wednesday, October 12, 2011
Software
21Wednesday, October 12, 2011
Source: Autonomous Province of Trento
Cartographic realism?22Wednesday, October 12, 2011
Source: Autonomous Province of Trento
generalizations23Wednesday, October 12, 2011
Source: Lui from Slovenia24Wednesday, October 12, 2011
Source: Lui from Slovenia & Oregon Metro25Wednesday, October 12, 2011
What does the future of data capture mean for cartography?
Source: Navteq 26Wednesday, October 12, 2011
What does the future of data capture mean for cartography?
Source: Navteq 26Wednesday, October 12, 2011
What does the future of data capture mean for cartography?
Source: Navteq 26Wednesday, October 12, 2011
the end
other links:https://www.e-education.psu.edu/lidar
Matthew [email protected], Oregon
27Wednesday, October 12, 2011
