PEACH Free and open source visual psychophysics programming library
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programming library visual programming library visual psychophysic visual primitive

PEACH Description

Free and open source visual psychophysics programming library PEACH is a library provides C++ functions for programming experiments in visual psychophysics. PEACH contains an extensive collection of visual primitives (Disks, Bars, Text, Gabors, Images, etc.) as well as a set of experimental functions, which allow to code a complicated experiment in a few dozen lines.PEACH provides a full support for:· in-window and full-screen rendering· subpixel resolution· gamma correction· nominal 10-bit pixel depth (via 2x2 pixel dithering) and 13-bit pixel depth (via Cambridge Research Systems BITS++)· stereoscopic presentation via anaglyphic glasses, mirror stereoscope, or shutter glasses· proportion correct, response time, and response location measurements· Method of Constant Stimuli and the Kontsevitch & Tyler (1990) adaptive algorithm for threshold measurements· finger-error correction· multiple-task experiments· graphical user interface for setting default and user-defined experimental parameters· OpenGL programming of complex 3D objects and scenes· automatic storage of a complete experimental session in a human-readable file· command-line (Perl) script for averaging and analyzing the data between multiple experimental sessionsNOTE: PEACH is licensed and distributed under the terms of the GNU Library or Lesser General Public License (LGPL). Requirements: · GLUI

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