Optitrack on Raspberry Pi

Using optitrack and thin NatNet client

Install

Get client from https://github.com/b4be1/packet-client-linux e.g. from the raspberry:

git clone https://github.com/b4be1/packet-client-linux.git
cd packet-client-linux
mkdir build
cd build
cmake ..
make

setup

On the raspberry pi set the wireless network to access the dedicated optitrack network

Modify the /etc/wpa_supplicant/wpa_supplicant.conf by adding the network groups, maybe the 5Ghz SSID should have highest priority.

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
ctrl_interface_group=0
update_config=1
country=DK

network={
       ssid="asta_optitrack"
       psk="asta2020"
       priority=1
}

network={
       ssid="asta_optitrack_5G"
       psk="asta2020"
       priority=2
}

Restart the network by reboot or just restart the network

sudo /etc/init.d/networking restart

modify source

The NatNet version should be changed - it is hard-coded in source file.

 cd ~/packet-client-linux
 nano PacketClient.cpp

A bit down change the NatNetVersion to 3.1 (to fit Motive version 2.2)

// Versioning
int NatNetVersion[4] = {3, 1, 0, 0};
int ServerVersion[4] = {0, 0, 0, 0};

Compile the client

Compile

cd ~/packet-client-linux/build
make

Run the client

cd ~/packet-client-linux/build
./PacketClient DESKTOP-OVLVRUD.local 192.168.1.136

where DESKTOP-OVLVRUD is the hostname of the optitrack server (in ASTA) and 192.168.1.136 is the IP of the raspberry pi in this case.