Anaglyphic (ana-glyph-ic /”a-n&-’gli-fik/)adjective-A still picture or stereoscopic motion in which the right component of a composite image usually red in color is superposed on the left component in a contrasting color to produce a three dimensional effect when viewed through correspondingly colored filters in the form of spectacles.
The mode of 3D presentation you are the most familiar with are the paper glasses with blue and red lenses. The technology behind stereoscopic, or 3D, movie is actually pretty great. They simply recreate the humans see normally.
Since your eyes are about two inches apart, they show the same picture from slightly different angles. The brain then correlates these two images in order to gauge distance. This is called binocular vision - ViewMaster, and binoculars mimic this process by presenting each eye with a slightly different image from different angle.
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