947 IDL Anaglyph The printing of 3-D images and/or stereo pairs has become very popular in the last few years. One method is known as “Anaglyph”. This process requires that the viewer wear the appropriate Red/Blue or Red/Green 3-D glasses. This IDL routine displays an isosurface from two slightly different points of view and combines them in one Red+Blue image. The Exelis VIS Extensions Library IDL Fractal Browser