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basis: 4-d (quaternion)-julia-fractal

4 quaternion constants, rendering parameters, observer position, view window, background, light, color ambient & diffuse.

barnsley 3 barnsley 4 Henrik Engstrom, Sweden, has written this freeware program that generates qaternion julia sets and view them in 3 dimensions. (Its an old DOS-based, uncomfortable, but wonderworlds creating program - no updates, said the author.)