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"type": "Optitrack",
"settings": {
    "serverAddresslocalAddress": "127.0.0.1",
    "remoteAddress": "localhost192.168.137.1",
    "connectionType": "Multicast",
    "bodyID": 444
}

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Close LpmsControl 2 to disconnect from the sensor. You are now ready to use LPMS-IG1(P) in FusionHub.

Optical Tracking Systems

• Room calibration

• Adding and adjusting targets

We will add to this section soon. In the meantime refer to this page for ART setups and this page for OptiTrack setups from the LPVR documentation.Coming soon.

FusionHub on OpenXR HMDs

General

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nReal Glasses

Coming soon.

Optical Tracking Systems

Marker Adjustment

The optical system is the tracking reference, its pose is what is received by the visualization backend. The orientation of the IMU sensor is calibrated relative to the optical markers on the HMD. Therefore it is important to set up the tracking body or rigid body in the optical tracking software (DTrack, Motive etc.) in a way that its axes align with the optical axes of the head mounted display.

Image Added

Image Added

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We will add to this section soon. In the meantime refer to this page for ART setups and this page for OptiTrack setups from the LPVR documentation.

Optitrack Notes

In order to avoid excessive buffering and data loss, make sure to reduce the amount of data being streamed from Motive. We recommend the streaming settings below. Make sure to set the local interface IP to the IP of the network connection that is being used for communicating with the HMD. It is a common mistake to not set this IP correctly. If the correct IP doesn’t show up, restart Motive.

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Start-up

FusionHub

• Start FusionHub on the HMD. A window showing the FusionHub console output should open.

• Start the FusionHub GUI client on the host computer

• Connect the GUI client to FusionHub on the HMD. Make sure HMD and host are in the same subnet. Enter the the correct IP of the HMD in the client before pressing connect.

• Adjust parameter blocks as needed. Refer to the description of FusionHub BASE for configuration options. Note the following input and output ports that are hard-coded in the ALVR FusionHub API layer. These are already correctly set in the default configuration file installed with the FusionHub APK, so usually there is no need to change them.

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