Anaglyph Method
The anaglyph method uses color to encode the right and left image pairs.   This method requires that the user wear a special pair of glasses with color filters over each eye.   These glasses have a red filter over one eye and a blue or green filter over the other eye.   Most anaglyph glasses put the red filter over your left eye.   There are three ways to encode an anaglyph image:

    · Color:  Color anaglyphs try to preserve as much of the original image color as possible.   Not every image will look good as a color anaglyph - those that do are quite spectacular.

    · Gray:  Gray anaglyphs use a black and white version of the original image.   Although the color information is not preserved (as is with the color anaglyph) the gray anaglyph is typically easier to view.

    · Pure:  The pure anaglyph method converts the original image into a pure red/blue or red/green image (depending on the type of glasses you have).   The pure method gives the best 3D effect but sacrifices the color data and image intensity.
Note:   Depending upon the image, you may need to switch between Color, Grey, and Pure to get the best results.   Generally if color doesn't work - try grey, if grey doesn't work try pure.

Examples of some anaglyph images are given below. The examples assume you have red/blue glasses with the red lens over your left eye.   Note: If you have the ABC Week anaglyph glasses, turn them inside out so that the red filter is over your left eye.
Warning:  If you experience eye fatigue or discomfort, remove the glasses and take a break.   We suggest that you only put the glasses on when you want to view an image and take them off otherwise.


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This page last updated on May 29, 1997.
Copyright © 1997 VRex, Inc. All Rights Reserved.