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37 lines
1.6 KiB
37 lines
1.6 KiB
1 year ago
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# Replay Flight Data
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::: warning
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This feature is intended primarily for **autopilot developers**/**vehicle creators**.
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It is only supported on desktop builds (Windows, Linux, Mac OS).
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:::
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The _Replay Flight Data_ feature allows users to replay a telemetry log, enabling review of past or problematic flights.
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The flight can be started, paused, stopped, restarted etc.
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::: info
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_QGroundControl_ treats flight replay like an active connection.
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When you pause/stop playing, the ground station will report "Communication Lost" and wait for disconnection or for more messages.
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:::
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To replay a flight:
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1. Disconnect any active connections.
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1. Select **Application Settings > General > Fly View**
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1. Check **Show Telemetry Log Replay Status Bar** to toggle the flight replay bar at the bottom of the screen.
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1. Select the **Load Telemetry Log** button in the bar to display a _file selection_ dialog.
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- Choose a log file to replay from the available telemetry logs.
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- _QGroundControl_ will immediately start playing the log.
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1. When a log is loaded you can use the:
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- **Pause/Play** button to pause and restart playing.
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- _Slider_ to drag to a new position in the log.
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- _Rate_ selector to choose the playback speed.
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1. To stop replay (i.e. to load a new file to replay), first pause the flight, and then select **Disconnect** (when it appears).
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After disconnecting, the **Load Telemetry Log** button will be displayed.
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:::tip
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You can inspect the running replay in more detail using the [MAVLink Inspector](../analyze_view/mavlink_inspector.md).
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:::
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