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However, the visualization is transformed to enable you to modify the preprocessing tools, as needed. To access the visual transformation dialog window:
Transform Data Previewer Window  Image Modified
| - Right-mouse click on the navigator node corresponding to the motion file viewed (e.g. subject_01_walk1.trc in the example above). Choose Transform from the drop-down menu.
- Double click on any listed folders to display the list of markers (e.g. Lab Frame in the example at right).
- Use the arrow buttons to change the angle for Rotate X, Rotate Y, and Rotate Z; this will transform the data in the viewer (and in the viewer only – not the data file itself).
- Angles are always positive (0-360 degrees).
- Translations can be previewed by modifying the display offset.
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The data file itself is NOT modified by OpenSim; the data previewer just displays the transformed data, so that the appropriate transformation(s) may be determined and applied during preprocessing. |
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Preview of Motion Capture Data in OpenSim | - Select the marker data and grf data to sync the data and visualize the ground reaction forces with the marker motions.
- See Loading Motions for more information about how to sync motions.
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