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Add ULog (.ulg) support for PX4 flight logs#466

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Benkia wants to merge 1 commit intoArduPilot:masterfrom
Logitt-ai:feature/px4-ulog-support
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Add ULog (.ulg) support for PX4 flight logs#466
Benkia wants to merge 1 commit intoArduPilot:masterfrom
Logitt-ai:feature/px4-ulog-support

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@Benkia
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@Benkia Benkia commented Mar 16, 2026

  • Add ULog parser using @foxglove/ulog with monkey-patch for DataView offset bug
  • Add PX4 data extractor (flight modes, quaternion attitude, GPS trajectory, params)
  • Add PX4 mode mapping (Manual, Position, Mission, Hold, Return, Acro, etc.)
  • Update Plotly regex to support lowercase PX4 topic names (vehicle_attitude, etc.)
  • Fix lastTime computation for quaternion-only logs
  • Add Cesium terrain error handling to prevent stuck loading spinner
  • Support .ulg file detection in drop zone, file browser, and URL loading

- Add ULog parser using @foxglove/ulog with monkey-patch for DataView offset bug
- Add PX4 data extractor (flight modes, quaternion attitude, GPS trajectory, params)
- Add PX4 mode mapping (Manual, Position, Mission, Hold, Return, Acro, etc.)
- Update Plotly regex to support lowercase PX4 topic names (vehicle_attitude, etc.)
- Fix lastTime computation for quaternion-only logs
- Add Cesium terrain error handling to prevent stuck loading spinner
- Support .ulg file detection in drop zone, file browser, and URL loading
@Benkia
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Benkia commented Mar 19, 2026

@Williangalvani Hi
Hope you are doing well
It's my first PR 😄

Let me know if thats ok with you

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