geofence: fix altitude change fence check #21806
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When asking for an altitude change only, the current position needs to be used, otherwise the geofence check is be skipped
dagar
approved these changes
Jul 7, 2023
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Solved Problem
When asking for an altitude change only, the lat/lon is NAN and that makes the geofence check pass regardless of the change in altitude, allowing the drone to climb above the fence.
Solution
Set the lat/lon to the current position if NAN
Changelog Entry
For release notes:
Alternatives
Test coverage
SITL tests