Taming Terrain: Sculpting Geoscapes With LiDAR

077e9a0cb34fa3eba2699240c9509717?s=47 Andrew Godwin
August 31, 2018
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Taming Terrain: Sculpting Geoscapes With LiDAR

A presentation I gave at Electromagnetic Field 2018

077e9a0cb34fa3eba2699240c9509717?s=128

Andrew Godwin

August 31, 2018
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Transcript

  1. 2.

    Andrew Godwin / @andrewgodwin Hi, I’m Andrew Godwin • Python

    programmer-at-large • Geodata enthusiast • Does not (yet) own LiDAR equipment
  2. 8.

    Andrew Godwin / @andrewgodwin Can be either surface or terrain

    (no buildings/plants) Digital Elevation Model
  3. 17.

    Andrew Godwin / @andrewgodwin Very high resolution (cm range) Compact

    devices (planes or vehicles) Short distances
  4. 18.

    Andrew Godwin / @andrewgodwin Free data in both point clouds

    and DEMs! e.g. Environment Agency, USGIS
  5. 24.
  6. 32.

    Andrew Godwin / @andrewgodwin 4 - 12 unattended hours (per

    15cm tile) Difficult to line up perfectly Has to print perfectly square!
  7. 37.

    Andrew Godwin / @andrewgodwin 2 - 4 attended hours per

    10cm piece Small features hard to mill CNC mills ain't cheap
  8. 42.

    Andrew Godwin / @andrewgodwin 15 minutes to cut, 15 mins

    to glue Only works for features surrounded by flat Limited detail
  9. 44.

    Andrew Godwin / @andrewgodwin Less human-intensive milling Better laser cut

    feature highlighting 3D directly from point clouds Somehow getting a LiDAR scanner?!