Miscellaneous/SimilarSoftwareΒΆ
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There are as many ways of creating visual stimuli as there are vision
experimenters. Here I have listed all current solutions that I know
of. If you know of others, let me (astraw@users.sourceforge.net)
know.
At a first instance, check out Hans Strasburger's "`Software for
visual psychophysics`_" webpage, which has much more coverage than
this page. I have here mainly limited listings to projects that
appear to be under active development or support.
The PsychToolbox_ is a great, free program that uses Matlab to display
stimuli. Historically it is a Mac OS Classic application, but now a
Windows port is available. A native OpenGL Mac OS X version is on its
way. (Source code is available but not open source according to the
`Open Source Initiative`_.)
PsyScript_ is a Macintosh program for generating stimuli. Free, open
source (GNU Public License). Uses AppleScript and a language based on
ECL (experiment control language).
Psyscope (classic Mac OS) users will be pleased to note `Psyscope X`_,
is being ported to Mac OS X under the GNU GPL.
Presentation_ Free (no longer appears to be free: 12/2005) Windows based stimulus generation. Uses
DirectX.
WinVis_ web-based and Matlab based stimulus generation programs.
VSG_ uses proprietary hardware and software to generate stimuli. It
lacks any hardware-accelerated 3D features.
`OpenRT and OpenRT-3D`_ OpenGL stimulus generation. Free, open
source. (These links do not work any more... but there is OpenRT at http://www.openrt.de/, which is an OpenGL-like project used for real-time ray tracing).
PsychoPy_ uses python and OpenGL together. Free, open source.
PXLab_ a collection of Java classes for running psychological
experiments. Free.
Guimigolus_ is a free extension to VisionEgg, that is able to
guarantee framelossless presentation of Stimuli. We were able to
create stimuli that run for **13 hours at 200Hz with not one frame
lost** on a Win2k-System. This extension provides the programmer with a cpu-meter
showing the time used for each frame, which is a great aid to
time critical development. It has a very complex and great
algorithm for measurement of buffer overruns.
Not much documentation, and only german one, because we developed
it in a course at
the Carl v. Ossietzky University Oldenburg/Germany. Authors are
Daniel Migowski and Guido Scherp. Download the file here:
http://artis.uni-oldenburg.de/~migo/Guimigolus-0.7.win32.exe
We won't develop Guimigolus any further, so we give it away
now under GPL. Maybe it helps someone.
.. _`Software for visual psychophysics`: http://www.visionscience.com/documents/strasburger.html
.. _PsychToolbox: http://www.psychtoolbox.org
.. _`Open Source Initiative`: http://www.opensource.org/docs/definition.php
.. _PsyScript: http://www.maccs.mq.edu.au/~tim/psyscript
.. _Psyscope: http://psyscope.psy.cmu.edu
.. _`Psyscope X`: http://psy.ck.sissa.it
.. _Presentation: http://www.neurobehavioralsystems.com/software/presentation/index.html
.. _WinVis: http://www.neurometrics.com/winvis/index.jsp
.. _VSG: http://www.crsltd.com/catalog/vsg25
.. _`OpenRT and OpenRT-3D`: http://www.cs.dal.ca/~macinnwj
.. _PsychoPy: http://psychpy.sourceforge.net
.. _PXLab: http://www.pxlab.de