3D Projection, Anaglyphs, 3D Cinema

There are several different techniques used to project 3D images. By far the most cost effective is using the "anaglyph" method.

When the 3D or Stereo images are created, whether it is a movie or still images, left eye and right eye information needs to be captured. In the realms of 3D software, this is quite easy. Once your animation or sequence is created, 2 cameras are placed in the scene. They are locked together a little way apart from each other. The left camera is used to render the left eye information and the right camera the right.

The left and right movies are then merged in special software where the red blue filters are added. The result is played off a stereoscopic media player which is linked to a single ordinary data projector. The audience wears the red/blue glasses to view the movie.

Live footage is captured using 2 cameras locked together as with the computer generated footage. Convergence has to be carefully monitored throughout the recording process, to maintain focus and to ensure that the information can be viewed comfortably.

Of course still images are just as effective as moving ones. Anaglyphs can be printed, as well as, projected using standard printing methods.