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Route parameters and path finding

6 bytes added, 08:10, 14 August 2020
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'''Take-off point altitude above ground m''' is drone real altitude relative to the ground. If drone is placed on an object above the ground level or in the pit below the ground level not represented in elevation data. Take-off point altitude is vital parameter for route calculation. It must be used when a vehicle takes off from a surface that is higher or lower than the ground (for example, a podium or a building roof). Another case when "Takeoff altitude" must be used is when the elevation data is incorrect. For example, if inspecting the career (or mound) that doesn't exist in the elevation model. If the career (or mound) doesn't exist in the elevation data, the below message will appear:<br>
[[File:No elevation data.png|800px|thumb|center]]<br>
'''This message only appears when the drone is in RTK_FIX mode.'''<br>
'''Note:''' it is highly recommended to always check altitude values. Altitude drift problems cannot be solved by software only and require operator attention. Always check, after power cycling a vehicle or mission upload, whether the altitude is reported correctly. UgCS tries to detect such conditions and issues a warning β€œIt looks as if you have to power on/off your drone in order to reset barometer...” if RAW altitude reported by the vehicle is very different from 0 at the time of mission upload.<br><br>

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