Hello all, I hope all is well!

I am working on a project that requires me to extract/compute the orientation of the CAMERA in the world coordinate system. I have gone through the documentation (Flight Control, etc) but I am unable to understand the following: What is the difference between Flight Angles (FlightYaw/FlightPitch/FlightRoll) and GimbalYaw/GimbalPitch/GimbalRoll?

This is my current understanding but it does not seem correct:
Flight Angles:

• The Yaw angle seems to be the orientation of the CAMERA in the world coordinate system.
• Pitch and Roll seem to be the orientation of the DRONE in the world's coordinate system.
  

Gimbal Angles: The angles of the CAMERA in the body coordinate system.

• This seems to be the case for pitch and roll but the yaw value sometimes does not follow this from the looks of it (In some cases the Gimbal Yaw is almost identical to the Flight Yaw and it doesn't make sense when I use Google Earth to verify what the orientation should be rough - In these cases, the flight yaw seemingly gives the absolute orientation of the CAMERA in the world coordinate system)
  

I have been stuck on this and going through countless forum posts as well as documentation to seek clarification with no success. I (and presumably many others) would really appreciate if someone can clear things up for me and outline what Gimbal vs Flight Angle. Most importantly, I want to be able to calculate the orientation of the CAMERA in the world coordinate sytems.

Thank you,

John

Someone must know the answer! This is important information about the drones data

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I don't really know. Have you tried the book drones for dummies? Might be helpful if you look in the camera section of the book.

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I'm also trying to recover the orientation of the photos from my DJI drone (Mavic 3M).
Have you succeeded, and if so, how?
Thank you for your help.

For my part, I managed to recover all the metadata from the photos, in particular the orientation data, by using Exiftool to extract the XMP metadata from the photos, which contains all this information.

For those who are interested, here is an Exiftool command to extract this metadata into a CSV file:
exiftool.exe -csv -r -filename -Version -GpsStatus -AltitudeType -GpsLatitude -GpsLongitude -AbsoluteAltitude -RelativeAltitude -GimbalRollDegree -GimbalYawDegree -GimbalPitchDegree -FlightRollDegree -FlightYawDegree -FlightPitchDegree -FlightXSpeed -FlightYSpeed -FlightZSpeed -CamReverse -GimbalReverse -SelfData -SurveyingMode -FocusDistance -DroneModel -DroneSerialNumber -PictureQuality "C:\PATH\PHOTOFOLDER" > "C:\PATH\METADATA.csv"

Hi John,

Thanks for your detailed post! It sounds like you're grappling with some complex concepts. To clarify, Flight Angles (Yaw, Pitch, Roll) refer to the drone's orientation in the world coordinate system, while Gimbal Angles reflect how the camera is oriented relative to the drone's body. The Gimbal Yaw can appear similar to Flight Yaw in some situations, especially when the drone is flying straight, making it seem confusing. To compute the camera's orientation accurately, you need to combine both sets of angles, taking into account the specific relationship between the gimbal and the drone's movement.

If you're also considering building an application to visualize or handle such data, check out resources on ecommerce website development in Dubai https://dubaiwebdesign.com/ for further insights.

Hope this helps!