Laser Display

Requirements:

python-numpy python-pygame python-usb

LaserDisplay.create() - factory method

• reads environment variable called LASER
  • if it is empty, it will create Simulator
  • if it contains string "local", it will create Local instance
  • if it contains string in format "remote:host" or "remote:host:port", it will try to content to LaserDisplay server on this host (default port is 31337)