Painpoints
Cadastral surveys usually require collecting large data sets, including data gathered by ground teams in hazardous or inaccessible areas.
Traditional cadastral survey methods lack visual data, limiting adequate land-use analysis.
Advantages
UAS solutions can cover larger areas than terrestrial surveying tools, improving field data collection efficiency and reducing collection time.
Keep digital records that can be easily used for regular land cover comparisons, so teams can monitor changes dynamically.
Drone Platform
DJI Matrice 4E
Weight: 1219 g (with propellers)
Max Flight Time (without wind): 49 minutes
Environment Adaptability: Max takeoff altitude 6000 m, max wind speed resistance 12 m/s
Sensing System: Omnidirectional binocular vision system, supplemented with a 3D infrared sensor at the bottom of the aircraft
Mechanical Shutter Speed: 2–1/2000 s, minimum photo interval 0.5 s
Wide-Angle Camera: 4/3-inch CMOS, 20MP effective pixels
Medium Tele Camera: 1/1.3-inch CMOS, 48MP effective pixels
Telephoto Camera: 1/1.5-inch CMOS, 48MP effective pixels
Laser Rangefinding: 1800 m measurement range (1 Hz) @20% reflectivity target
Payload and Software
DJI Terra
Modeling and flight mission plan
DJI Pilot 2
Ground control.
Workflow
1 Data Collection:
Plan a 2D, Linear Flight, or Smart Oblique Mission based on the actual landscape situation for regular orthomosaic images or oblique image data collection. Enable Real-Time Terrain Follow feature.
2 Data Processing:
Import to DJI Terra to process for DOM, DSM, Point Cloud, and 3D models.
3 Data Analysis:
Import DJI Terra outputs to preferred third-party software for further analysis.
Drone Platform
DJI Matrice 400
Weight: 9740±40 g (with batteries)
Max Takeoff Weight: 15.8 kg
Max Payload: 6 kg
Max Flight Time: 59 minutes
Max Horizontal Speed: 25 m/s
Sensing System: Omnidirectional binocular vision system (surround view provided by full-color fisheye vision sensors), horizontal rotating LiDAR, upper LiDAR, downward 3D infrared range sensor, and six-direction mmWave radar
Environment Adaptability: IP55 rating, max takeoff altitude 7000 m, operating temperature -20° to 50° C (-4° to 122° F)
Payload Compatibility: Zenmuse H30 Series, Zenmuse L2, Zenmuse P1, Zenmuse V1, Zenmuse S1, and third-party payloads
Payload and Software
Zenmuse P1
Camera Sensor: 45 MP full-frame
Shutter: Global mechanical shutter, 1/2000 s
Gimbal: 3-axis stabilized gimbal with Smart Oblique Capture
DJI Pilot 2
Ground control
DJI Terra
Modeling and flight mission plan
Workflow
1 Data Collection:
Plan a 2D, Linear Flight, or Smart Oblique Mission based on the actual landscape situation for regular orthomosaic images or oblique image data collection. Import DSM files for Terrain Follow if necessary.
2 Data Processing:
Import to DJI Terra to process for DOM, DSM, Point Cloud, and 3D models.
3 Data Analysis:
Import DJI Terra outputs to preferred third-party software for further analysis.
Drone Platform
Matrice 350 RTK
Weight: Approx. 6.47 kg (with single downward gimbal and two TB65 batteries)
Max Flight Time: 55 minutes
Sensing System: Six-directional sensing and positioning
Environment Adaptability: IP55; max service ceiling above sea level 7,000 m (with 1676 propellers, without other payload); max wind resistance 12 m/s
Payload and Software
Zenmuse L2
Integrates frame LiDAR, a self-developed high-accuracy IMU system, and a 4/3 CMOS RGB mapping camera.
Coverage: 2.5 km² per flight
Detection Range: 250 m @ 10 % reflectivity, 100 klx
Effective Point Cloud Rate: 240 000 pts/s
Returns: Supports 5 Returns
Solution: Turnkey Solution
DJI Pilot 2
Ground control.
DJI Terra
Modeling and flight mission plan
Workflow
1 Data Collection:
– Plan a 2D, Linear Flight, or Smart Oblique Mission based on the actual landscape situation for Point Clouds and image collection. Import DSM files for Terrain Follow if necessary.
2 Data Processing:
– Import to DJI Terra to process for DOM, DSM, Point Cloud, and 3D models.
3 Data Analysis:
– Import DJI Terra outputs to preferred third-party software for further analysis.
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