Glad to hear that you successfully solve the problem with the library. Congratulations!
. Other than arduino, do you know on how to program the g15 servo in labview so that they (motors) can understand and follow the commands?
can you try to find if Labview can send commands using Serial interface? if can then u can just send out the angles that u want to Arduino through the USB-UART virtual Serial COM. Then let Arduino process and set the angle and command G15 to move the desired position.
LABView-->virtual Serial com-->Arduino-->G15-Shield-->G15 Cube Servo.
arduino itself will emulate as virtual serial com when you connect it to computer.
maybe you try watch this video.
https://www.youtube.com/watch?v=P1NSdbzkNR4https://www.youtube.com/watch?v=VpxBTtvCklonot sure it will be helpful to you or not.