Introduction
This example reads in video from all 3 firewire cameras connected to a Compact Vision System (1456) and displays all 3 video outputs in a 2x2 grid to the VGA port. LabVIEW 2009 and IMAQdx were used.
Steps to Complete
Camera frame grabbing:

Downsampling of camera frames and building of 2x2 grid:

Additional Notes
Some commenting is in the VI, but please contact me if you have any questions or need help.
This code is brought to you by Georgia Tech Savannah Robotics.