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- Single Image Random Dot Stereogram, or SIRDS, from a
- Macintosh PICT file or a portable grey-map file that
- describes a 3D scene. A SIRDS is an image which, when
- viewed in the appropriate way, appears to the brain as a 3D
- scene. The image is a stereogram composed of seemingly
- random dots. The program incorporates a new, simple, and
- symmetric algorithm for generating such images from a solid
- model. It improves on previous algorithms - it is
- symmetric, it corrects a slight distortion in the rendering
- of depth, it removes hidden parts of surfaces, and it also
- eliminates a type of a