Institut f¨ ur Computergraphik und Algorithmen Technische Universit¨ at Wien Karlsplatz 13/186/2 A-1040 Wien AUSTRIA Tel: +43 (1) 58801-18601 Fax: +43 (1) 58801-18698 Institute of Computer Graphics and Algorithms Vienna University of Technology email: technical-report@cg.tuwien.ac.at other services: http://www.cg.tuwien.ac.at/ ftp://ftp.cg.tuwien.ac.at/ TECHNICAL REPORT Semantics Driven Illustrative Rendering Peter Rautek, Stefan Bruckner, and M. Eduard Gr¨ oller TR-186-2-07-10 October 2007 Keywords: Illustrative Visualization, Focus+Context Techniques, Volume Visualization