How many directions should be set for the tilt of the three-dimensional aerial survey platform?

Tilting three-dimensional aerial photogrammetry platform needs to be set in five directions. According to the relevant information, tilt the stereo aerial survey, and continuously turn the single lens to five directions for aerial photography through the rotation of the pan/tilt. The tripod head is an intermediate part installed above the tripod and used to connect the tripod with the camera. Pan-tilt mostly adopts spherical pan-tilt and three-dimensional pan-tilt Advantages of UAV tilt photography technology: It breaks through the limitation that traditional aerial camera can only shoot orthophoto images from vertical angle, and can obtain more comprehensive texture details of ground objects and reflect the actual situation of ground objects more truly.