PsychlopsJS

About this project

Psychlops is a free toolkit/library for drawing various types of visual stimulus used in the vision science. This is the JavaScript version running on web-browsers. Web-site of project including C++ version is at osdn.jp.

Getting started

Psychlops JS is working on a web-server. Try functionality of the toolkit on the GitHub server.

• Try online editor
• How to use online editor

Manuals & Supports

Reference manual

• Function lists

Installation manual

• User's guide for installation on web server

Psychlops support forum

• Jump to Google Groups

Samples

CSF (space)

EDIT

CSF (temporal)

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Lilac Chaser

EDIT

Motion Induced Blindness

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Random Dot Stereogram

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Motion induced position shift

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2f3f

EDIT

CIE L*u*v* viewer

EDIT

CIE L*a*b* viewer

EDIT

Step-by-step tutorials for beginners

Step 1-1 (Open a window)

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Step 1-2 (Open a fullscreen window)

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Step 2 (Draw the rectangle)

EDIT

Step 3-1a (Draw multiple rectangles)

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Step 3-1b (Draw multiple rectangles by random color)

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Step 3-1c (Draw random dots)

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Step 3-2a (Draw multiple rectangles)

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Step 3-2b (Draw multiple rectangles by random color)

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Step 4-1a (Use offscreen image)

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Step 4-1b (Draw static random dots)

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Step 4-1c (Draw a Gabor Patch with offscreen image)

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Step 4-2a (Draw a movie with offscreen images)

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Step 4-2b (Draw random dots enveloped by Gaussian function with offscreen image)

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Step 4-2c (Draw a drifting Gabor Patch with offscreen images)

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Step 5-1 (Load a image file)

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Step 5-2 (Save a image file)

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Step 6-1 (Load a CSV file)

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Step 6-2 (Save the results file)

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Full-Experiment sample:

Choice-reaction time:

• Try online editor

Muller-Lyer illusion

• Try online editor