See http://www-cs-faculty.stanford.edu/~knuth/graphics.html http://www-cs-faculty.stanford.edu/~knuth/graphics.html "The road to wisdom? Well its plain and sim

See http://www-cs-faculty.stanford.edu/~knuth/graphics.html http://www-cs-faculty.stanford.edu/~knuth/graphics.html "The road to wisdom? Well its plain and simple to express - err and err and err again. But less and less and less" (Piet Hein)