• 4.7 Creating 3D maps and models
  • GPS ready-to-Fly and No-Fly zone drone technology




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    4.6 GPS ready-to-Fly and No-Fly zone drone technology
    According to the compass calibration, when the drone starts to work, the drone 
    searches for the position of GPS satellites; when more than six satellites are detected, 
    the drone becomes “ready-to-fly.” To increase flight safety and prevent accidents in 
    restricted areas, the “no-fly zone” feature is activated, and flight is blocked. No-fly 
    zones are divided into two categories, A and B. These regions can be renewed and 
    changed by software updates. Suppose all controls are in the direction of flight. In 
    that case, the flight of the drone is provided, and the existing flight telemetry and 
    the objects or environments that the drone monitors with the camera can be followed 
    over the mobile device or the control device.
    4.7 Creating 3D maps and models
    The drone visualization’s hyperspectral, multispectral, LiDAR, and thermal 
    sensors are created by 3D digital surface models (DSM) of buildings, earth, and 
    landscape and the land’s digital height maps (DEM). It has become very easy to make 
    evaluations and plans about agricultural products, flowers, fauna, shrubs, and trees.
    Time-of-Flight (ToF) is a precision mapping and 3D imaging technology that 
    emits a very short pulse of infrared light and measures the rotation time of each 
    camera sensor pixel. Flash LiDAR time-of-flight cameras offer a variety of solutions 
    by measuring distances within a captured scene. This way, operations such as object 
    scanning, obstacle avoidance, tracking and recognizing objects, and measuring 
    volumes become easier.
    Turning images into maps and models is as important as taking high-resolution 
    drone images. For this, Pix4D Mapper, AutoDesk ReCap, 3DF Zephyr, Agisoft 
    Photogrammetry software such as PhotoScan and ESRI Drone2Map for 2D/3D map-
    ping and imaging software such as ArcGIS, PrecisionHawk, and DroneDeploy are 
    among the most widely used tools.

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    GPS ready-to-Fly and No-Fly zone drone technology

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