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Lightning Talk: Working withLiDAR DataApril – June 2013
3LiDAR data manipulation Derive Ground to Tree Heights Approx. 9Gbytes LiDAR LAS data in original dataset Combine Point...
 Source:LAS LiDARGeoBase- National Road Network Result:MapInfo TAB4LiDAR Data ManipulationExampleSpurious returns
5LiDAR data manipulation
Thank You! Questions?
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Working with LiDAR

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Working with LiDAR

  1. 1. Lightning Talk: Working withLiDAR DataApril – June 2013
  2. 2. 3LiDAR data manipulation Derive Ground to Tree Heights Approx. 9Gbytes LiDAR LAS data in original dataset Combine Point Cloud LAS files Clip Point Cloud & Roads to AOI (Area of Interest) Filter Point Cloud by elevation – thin bad returns Tile the point cloud into “cells” (i.e. 10x10m areas) Split by Classification (Ground & High Vegetation) Convert Point Cloud Cells -> multi-point Extract Min/Max XYZ and calculate maxZ-minZ = diffZ Output to: Coloured polygons (MapInfo)
  3. 3.  Source:LAS LiDARGeoBase- National Road Network Result:MapInfo TAB4LiDAR Data ManipulationExampleSpurious returns
  4. 4. 5LiDAR data manipulation
  5. 5. Thank You! Questions?

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