[visionlist] Jeda software freely available for download

[Jean Lorenceau]

Hello everyone,

 

Thanks to the lockdown (!), I at least found time to set up the sharing of a
versatile standalone software, JEDA, running on Windows, designed to
interactively edit animated graphics of many kinds, to be used in
psychophysical experiments, or just to design illusions and movies for fun.
No programming required.

 

JEDA can be freely downloaded at  <https://osf.io/wztd7/>
https://osf.io/wztd7/  together with a User Guide, documentation, and many
examples. 

 

A brief description of Jeda and movie examples can also be found at:
<http://jean-lorenceau.fr/jeda-software/>
http://jean-lorenceau.fr/jeda-software/

 

Below is some additional information for those willing to read more.

Enjoy !

 

Jean Lorenceau

 

Integrative Neuroscience & Cognition Center

Université de Paris, CNRS

Rue des St Péres, 75006, Paris, France

https://incc-paris.fr/people/jean-lorenceau/

 

 

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I developed Jeda since the 90’s (see Lorenceau & Humbert, 1990, Beh. Res.
Meth, Inst. & Comp. published 30 years ago!), using CBuilder 1.0
(Borland/Embarcadero).  So Jeda now has about 6 million lines of code
distributed in about 50 cpp files and using about 40 windows. All stimuli
described in my publications used Jeda, and are available for download
together with many examples and visual illusions.

Jeda runs on Windows (XP, Windows 7, Windows 10), using GUIs and menus, with
no need to program or write code. Jeda allows interactively edit graphics
(from simple shapes to 3D clouds), animations (2D and 3D, RDKs), manage
event sequences, device contingent displays, palettes, etc.

Jeda implements tools for running psychophysical experiments  (Constant
stimuli, staircase, adjustment, MEEG, fMRI, EyeTracking). 

 Jeda comes with a User Guide and a documentation, including on-line
contextual Help. 

Jeda implements DirectX utilities with several available spatial
resolutions, bit depths (8 or 32 bpp) and refresh rates, depending on your
hardware capabilities.

Jeda can be used in single screen mode although it should preferably be used
in dual screen mode.

Jeda is interfaced with several eye-trackers (EyeLink, TheEyeTribe,
Livetrack, SMI, Pertech), devices (Joystick, EEG/MEG, fMRI, Webcam), manages
images (BMP files), movies (AVI files), sounds (WAV files), 3D files (WRL
files) and can be used to export images (BMP files) and movies (AVI files).
Device contingent displays can easily be edited using dedicated tools.
Serial port and TCP/IP capabilities are also available (e.g. for controlling
an Arduino).

Tools for visualizing experimental data are provided, and Matlab scripts are
available (on demand) for converting and visualizing Jeda Data files, as
well as for further analyses.

 

Jeda is available as is. Thus bugs probably still exist, and can possibly be
corrected if reported (by sending emails at jeanlorenc at gmail dot com). In
case of interest, I may include additional developments and functions (on
reasonable demand, and depending on my capabilities and availability). 

I can, on request, share the C++ source code and the compiler (CBuilder
Borland 32 bits), for those willing to reuse the code, and can make a
sandbox available for those willing to add or test new functionalities (Send
an email to jeanlorenc at gmail.com).

 

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