Within very limited time and costs an area or slope can be surveyed, a digital elevation model / 3D point-cloud can be created and volumes can be calculated (see figure).

Drone derived 3D Model

Rock-mass overhanging a major road in Western Norway with a 660 m3 volume determined by drone-derived 3D model.

Drones expertise at NGI

NGI has carried out internal R&D on RPAS opportunities for geohazard and general geological / geotechnical mapping starting in 2015 and became a Norwegian certified, commercial RPAS operator in the same year. In 2016, NGI operates 2 DJI multicopter aircrafts and has held courses on drone photogrammetry in India, Bhutan and Sri Lanka.

Drones related services

  •   Licensed Norwegian RPAS operator (RO1)
  •   Training in geoscience related RPAS operation
  •   RPAS based 3D mapping
  •   Volume calculations
  •   Automatic detection of joint sets
  •   Slope stability monitoring

Equipment in use at NGI

  •   Hardware: DJI Phantom 3 Professional & DJI Phantom 4 Professional
  •   Software: Agisoft Photoscan, Polyworks, ArcGIS