3D flight planning
What is the digital elevation model used in the 3D flight planning in the Dronelink software? What is the resolution of this model? For flights following the terrain, what is the minimum safe altitude for these flights, in the region defined by a radius of 100 Km from the coordinate 22° 23' 19.17425" S, 44° 57' 56.32603" W?
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Maybe I can help. Dronelink uses the World ESRI data for elevation. Mapping uses Terrain follow which will follow the terrain and In general is done at higher altitudes so it should be no issue. If using a path then the ESRI data used is only accurate for every 30M, roughly 100’ along the path, not at every point. So if at a low altitude you will need to place a markers (path actions) set to AGL altitude along the path more often especially in areas where the elevatIon increases. You can use the 3D preview to see the height of the path or map to see how it looks. Hope this is what you were looking for and helps.
https://support.dronelink.com/hc/en-us/articles/6896503977363-Terrain-Follow-AGL-in-Map-Missions
https://support.dronelink.com/hc/en-us/articles/6529977980179-3D-Planner-3D-Preview-and-Virtual-Drone
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