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- Ensure you have prepared for capture as described in Capture the required movement, and completed steps 1–4.
- In the Capture Tools pane, expand Auto Capture Setup, select Capture Before Start (secs) and specify the number of seconds to record data prior to capture being triggered.
- Trigger the capture manually or using one of the remote capture methods described in this section.
The Vicon cameras capture the subject moving in the capture volume. - Stop the capture manually or using one of the remote capture methods described in this section.
Nexus automatically switches to Offline mode and displays the subject data in the 3D Perspective view.
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Stop data capture after elapsed time
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You can set the labeling percentage (ie, the percentage of markers expected from the total number of markers in your subject's labeling skeleton) that needs to be recognized by Nexus within the capture volume for the subject to be considered as fully in the volume or to have left the volume and therefore to trigger capture start/stop.scroll-pagebreak
The following procedure describes how to set up data capture to automatically crop live trials, based on labeling percentages. For information on how to automatically crop trials that you have already saved based on labeling percentages, see Crop trials.
- Ensure you have prepared for capture as described in Capture the required movement, and completed steps 1–4.
- In the Capture Tools pane, expand Auto Capture Setup and select Start on Labeling (%) and/or Stop on Labeling (%).
- The default values for this operation start capture when at least 90% of a subject's markers are recognized and stop when less than 65% remain (volume exit). You can adjust these percentages to suit your capture type.
- Have a subject wearing the required marker set enter the volume.
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To check data quality, you can display the labeling percentage by selecting the subject and in a Graph view choosing Labeling to show how many labels are present on each frame.Scroll ignore Tip
To check data quality, you can display the labeling percentage by selecting the subject and in a Graph view choosing Labeling to show how many labels are present on each frame.
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Trigger data capture using a remote control device
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