This is the one workflow in which your downloaded zones become a real, enforced geofence -
the flight controller acts on it in the air. Every zone is loaded as an exclusion region
(keep-out). Use our QGC .plan export.
On the download page, pick your country, frame your flying area on the map, choose the QGC .plan format, and download. The file contains your zones as exclusion polygons and circles. Circles are kept as true circles (centre + radius), which ArduPilot and PX4 support natively - no accuracy lost to polygon approximation.
.plan.Source: QGroundControl Plan file format & GeoFence docs (docs.qgroundcontrol.com); PX4 geofence docs (docs.px4.io).
Uploading a fence is not the same as enabling enforcement. On ArduPilot (Copter 3.7+, Rover 3.6+), set the fence parameters so the autopilot acts on breaches:
FENCE_ENABLE = 1FENCE_TYPE includes polygon/circle (e.g. 6 for both).FENCE_ACTION to your preferred breach response (RTL, brake, etc.).ArduPilot polygon fences support up to 70 points; if a very complex zone won't fit, narrow your download area so fewer/simpler zones are included.
Source: ArduPilot polygon fence docs (ardupilot.org/copter/docs/common-polygon_fence.html). Confidence: official.
If you use Mission Planner rather than QGC, use our KML export. Note Mission Planner's KML handler reads lines reliably but its polygon handling is unreliable, so our KML encodes each zone as both a filled polygon and a closed outline for exactly this reason.
FENCE_* parameters as above.Source: Mission Planner KML/fence handling (community-verified against shipping source). Confidence: high.
QGC's GeoFence polygon tool also has a Load KML/SHP… button (KML or shapefile only - no KMZ,
GeoJSON or GPX). It imports one polygon per file and reads only the first polygon in a KML,
so the .plan route above is far easier for multiple zones. If you do use it, untick
Inclusion to make the polygon a keep-out.
Flying this for a client? The flight is not what you are selling - the report you hand over is. Operators who deliver an annotated, structured report charge more for the same job.
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