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Create a rigid body for the HMD in DTrack. The default orientation is OK. Save the rigid body to a file (e.g. standard b15.txt). Use the Calibration → Body menu in DTrack as shown in the screenshots below.
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In case you have LPVR installed on your system already temporarily disable it: first First go to the SteamVR Settings menu.
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Then go to
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Startup /
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Shutdown, and
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to
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Manage Add-
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ons.
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Here change
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lpvr_
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cad to Off. A Restart SteamVR button should appear. Use it to restart SteamVR with the LPVR-CAD driver disabled.
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Verify that SteamVR tracking is smooth. Otherwise reduce the camera flash intensity and reduce the frequency of DTrack, also try positioning the Lighthouse Base Stations base stations at the right angles to the ART cameras to minimize interference from the camera flashes.
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