DKBTrace

DKBTrace is a 1986 written by Aaron A. Collins and David Buck raytracer, its source code was released in 1991. On this basis, the popular POV - Ray was born.

DKBTrace first ran on the Amiga, and later under MS -DOS and UNIX. It had no graphical user interface; the scene was described with a special description language ( Scene Description Language, SDL), which was DKBTrace then passed as a text file via the command line.