Checkergen is a simple program which generates flashing checkerboard patterns for use in psychophysics experiments. A CLI is provided for quick setting of parameters, and output either to screen or file is provided.

Requirements: Python 2.7 or Python 2.6 + argparse module pyglet (version >= 1.1.4 recommended) pySerial if you want to send trigger signals via a serial port pyParallel if you want to send trigger signals via a parallel port (see pyParallel webpage for other requirements) pywin32 if you want to increase process priority on Windows

Checkergen is free open-source software. You can redistribute and modify it under the terms of the GNU General Public License Version 3+ as published by the Free Software Foundation.

Checkergen is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details. A copy of it should have been distributed with Checkergen. If not, see http://www.gnu.org/licenses/.

Copyright (C) 2010-2011 Tan Zong Xuan