Acquisition date: September 2021
Objective: Rooftop water basin and drone inspection
Level of details requested: Orthoimage 1cm resolution
Cost of project: 1 500$

Tools used:

  • DJI phantom 4 pro drone
  • Tersus bi-phase GPA (control points)

Softwares used:

  • Autodesk 3D civil Autocad 2019 – Vectorization of point clouds
  • Agisoft Metashape – Photogrammetry

Methodology used – workflow:

  • Acquisition of control points using GPS
  • Drone flight
  • Data processing of drone images by autocorrelation with Agisoft
  • Metashape software and creation of the orthoimage
  • Orthoimage import into 3D civil Autocad and vectorization of the rooftop elements