It gives stereo view on ordinary computer monitor. It's useful for engineering problems. You can see in this case in front of or behind the screen real stereo image of the structure.

To form stereo it's necessary to prepare different information for different eyes and select it. Different information - it's easy - it's only geometry and calculations of screen's paths.

Anaglyph - monochrome stereo image on any monitor and it's necessary to have passive red/blue (left/right eye) glasses. Red picture is invisible with red glass eye; blue picture is invisible with blue glass eye. Blue may be green.

These glasses may be simple plastic small plates with wide variety of colors (as it’s shown on the picture).

 

In Internet there are sites with anaglyphs and it's possible even to buy such glasses through Internet.

Program has tuning color window - so one can tune colors for it's individual glasses (if not standard). It's necessary to tune three colors: left eye (red), right eye (blue), and background.