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The dialog contains one pane composed of two sections: Data Transformation section and the Heading Correction section, both described below:
| - IMU Orientation Data & Transformation: Typically users select an orientation file containing collected sensor orientation at the default model pose (called placement pose). This section is also used to convert orientation data from the sensor/IMU coordinate system (typically based on magnetic north and gravity) to the OpenSim default world coordinate system (Y-up, X-forward). The transformation is specified in space fixed Euler angles that are displayed in degrees (in the dialog) and can be incremented/decremented by 90 degrees using the spinners
- Heading Correction (Optional): Typically users select an orientation file containing collected sensor orientation at the default model pose (called placement pose). The user has the option to specify a heading direction to correct for the fact that a sensor may not exactly line-up with the forward direction of the model (+X of the base segment of the model e.g. pelvis). In this case If specified, the user specifies selects the name of the sensor and the corresponding axis that should align with the forward heading direction. If the IMU axis is left blank (from the drop down) then no heading correction is performed.
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