Site Scan customers often need to deliver an orthomosaic of a specific quality. One of the largest drivers of output quality is the height at which the images are collected. Based on the geometry of the camera sensor and the lens used, the following table allows the calculation of the Ground Sampling Distance (GSD) of the raw imagery.

  • Site Scan Sony R10C 20mm
AltitudeGSD
200 feet1.2 cm/pixel
400 feet2.4 cm/pixel

 

  • Site Scan GoPro
AltitudeGSD
100 feet1.6 cm/pixel
213 feet3.4 cm/pixel
350 feet5.5 cm/pixel