Aerophotogrammetric survey of a pitched roof of about 1,000 square meters for water infiltration verification and subsequent upgrading.

​​​

TECHNICAL CHARACTERISTICS OF THE SURVEY :

Drone type: Quadricopter

Flight height: 20 meters

Number of photos (pixel size): 257 photos (5472x3648)

Area surveyed size: 0.1 acres

Ground pixel size: 0.57 cm/pixel