Why Extract Powerline Wires from LiDAR?

Utilities need wire position data for multiple critical workflows:

  • Vegetation Management — measuring clearance to prevent outages and wildfires
  • Sag and Clearance Analysis — verifying safe distances under thermal conditions
  • Asset Inventory — comprehensive databases of transmission infrastructure
  • Inspection Planning — identifying spans requiring maintenance

Traditional survey methods are slow, expensive, and often dangerous along high-voltage corridors.

Lidarvisor - Powerlines Extraction

Point Cloud Classification: The Foundation

Before extracting wire vectors, the point cloud must be classified. Lidarvisor automatically identifies standard LAS classes:

Wire

Class 14
Conductor cables

Tower

Class 15
Lattice towers

Pole

Class 18
Distribution poles

Vegetation

Classes 3-5
Low to high veg

Ground

Class 2
Bare earth

Utility Corridor Deliverables

  • Classified Point Cloud — wires, poles, vegetation, ground separated
  • Digital Terrain Model — bare-earth surface under the corridor
  • Vegetation Height Model — identify encroachment risks
  • Slope Analysis — assess access and erosion risk

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