Troubleshooting

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Error Messages
Input directory has no mp4 or avi files.
Videos not formatted properly
Only __ videos found.
Videos not the same length.
Unsupported video codec detected.
Unable to load calibration.
Required camera parameter groups not present.
Qualisys calibration has inconsistent FOV
Data not loaded.
Camera extrinsics optimization step 3 failed.
Unable to construct a continuous volume from overlapping chessboard frames.
Track people not complete
Abnormally high tracking errors
Invalid video.
Visible Issues
Coordinate system is out of place in one camera view.
Coordinate system is in different positions and/or orientations in all camera views.
Coordinate system is in an incorrect but consistent position and/or orientation in all camera views
Skeleton is consistently outside the body
Skeleton is momentarily incorrect
Skeleton is incomplete.
Skeleton is completely missing.
Skeleton is jittery.
Other Issues
Calibration files not visible in file browser.
Theia3D freezes when attempting to open the application
Theia3D crashes when attempting to process a calibration or movement trial.
Abnormally high tracking errors
Calibration files not visible in file browser.
Camera extrinsics optimization step 3 failed.
Coordinate system is in an incorrect but consistent position and/or orientation in all camera views
Coordinate system is in different positions and/or orientations in all camera views.
Coordinate system is out of place in one camera view.
Data not loaded.
Input directory has no mp4 or avi files.
Invalid video.
Only __ videos found.
Qualisys calibration has inconsistent FOV
Required camera parameter groups not present.
Skeleton is completely missing.
Skeleton is consistently outside the body
Skeleton is incomplete.
Skeleton is jittery.
Skeleton is momentarily incorrect
Theia3D crashes when attempting to process a calibration or movement trial.
Theia3D freezes when attempting to open the application
Track people not complete
Unable to construct a continuous volume from overlapping chessboard frames.
Unable to load calibration.
Unsupported video codec detected.
Videos not formatted properly
Videos not the same length.
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1. Error Messages
2. Visible Issues
3. Other Issues
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Calibration files not visible in file browser.

Explanation

If the calibration file is not visible when using the Load Calibration File button or the Assign Calibration Files tool and the calibration file is an .xcp file exported by Vicon Nexus, the file browser window may be filtering for .txt files only.

Possible Solutions

Use the dropdown file filter selector in the file browser window to allow .xcp files to be shown.