Thanx to many people who supported me during my hard work. Especially I want to thank:

My friends Stephan Mantler and Gerd Hesina for the entertainment at the university.
Wolfgang Deutsch for his very stable code and support for the coding.
Christoph Traxler for his constructiv support and guidance.
The Institut of Computer Grafix for the Hardware support like Books, my Account, etc.

my Raytracing Project