Using UAV for Rock Slope Mapping of a Quarry in Shek Mun, Sha Tin, Hong Kong

Star Vision Limited has rich experience in Unmanned Aerial Vehicle (UAV, drone) survey for various applications, such as rock slope mapping.

Below shows the results of the UAV survey at an Architectural Services Department (ASD) project site, which is a quarry in Shek Mun, Sha Tin, Hong Kong.  The UAV survey acted as a demonstration to a consultancy company on rock slope mapping application.  The UAV flight took about half an hour.  Post-processing took about half day.

The figures below show, at 5cm resolution:

  • Orthophoto
  • Digital Surface Model (DSM)
  • Digital Terrain Model (DTM)
  • Contour lines

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