line.py __ / /\ / / \ / / \__________ / / \ /\ /_/ \ / / ___\ \ ___\____/_/_ /____\ \ /___________/\ \ \ \ \ \ \ \ \ \ \____ \ \ \ \ \ / /\ \ \ \ / \_\/ / / \ \ \ / / /__________\/ / / / / / / / / /________/ /\ / \________\/\ \ / \_\/jiri 3d X-Y matrix