Install pypixxlib (proprietary software by VPixx Technologies tested with version 3.11) in the environment. You can find this utility script in utils. Some systems start the service automatically, but in our lab the user calls set-psychopy-mode (a custom command) after every login. This is system dependend, please ask your sys admin. Install and start the VPixx system service (proprietary software by VPixx Technologies). This works for us (Debian+KDE): # on some systems: sudo apt-get install swig On some systems Psychopy doesn't work out-of-the-box but requires additional (system) packages. (optional but recommended) Create and activate a Conda environment with python 3.8.Ĭonda create -n 'psychopy' python='3.8' conda activate psychopy Proprietary software for VPixx Technology devices, require a manual installation: However, the key dependencies, Psychopy and This toolbox comes as an easy to install python package. proprietary device communication, rearranged graphics output, and 16-bit luminance linearization. This high-bit luminance mode requires features currently not included in Psychopy, e.g. In psychophysical experiments, we use special monitors like the ViewPixx with several thousand grey levels. Typical monitors support 256 different luminance levels (8-bit), but the human visual system can discriminate many more. This toolbox provides utilities for high-resolution gamma linearization (LUT-based) and Psychopy interfaces for ViewPixx and ResponsePixx devices (VPixx Technologies). Python 3 toolbox for psychophysical experiments with high luminance resolution in the Wichmann Lab.
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