Vision Egg A high level interface between Python and OpenGL
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generate opengl OpenGL interface stimuli generator perform experiment stimuli

Vision Egg Description

A high level interface between Python and OpenGL The Vision Egg is a high level interface between Python and OpenGL. In addition to methods for automatic generation of traditional visual stimuli such as random dot patterns and sinusoidal gratings, it has a number of functions for moving numeric data, movies, text, images, and 3D objects to and from your video card and aTherefore, it is also useful for anyone wishing to make use of the features of today's graphics cards.By harnessing the incredible power of today's consumer graphics cards, producing visual stimuli of research quality now requires no specialized hardware beyond a relatively recent computer and graphics card.Based on open standards, it runs on anything from cheap PCs to expensive special hardware for special needs. For example, running on some platforms, such as SGI workstations, the Vision Egg has a 10-bit luminance dynamic range (both pixel depth and DAC) and precise frame-by-frame control. Here are some key features of "Vision Egg": · Perform experiments using an inexpensive PC and standard consumer graphics card · Perform experiments using a graphics workstation if special features needed · Data acquisition and other realtime hardware control capabilities useful in electrophysiology and fMRI experiments, including gaze-contingent stimuli · Dynamically generated stimuli can be changed in realtime via software or external hardware · Produce traditional stimuli to replace legacy systems · Produce stimuli not possible using other hardware · Demo programs to get you started right away · Run stimuli on your laptop - great for talks · Free, open-source software

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