GTX has originally been developed as a research prototype by the Computer Graphics Systems group at the Hasso-Plattner-Institute, Potsdam.
It hat since been refined and developed in several cooperations, and will continue to be maintained by the CG Internals GmbH. If you are interested in the software, please contact sbusch@sbusch.net.
        Responsible for this web page:
        
        Stefan Buschmann
        Mainauer Str. 2
        12161 Berlin
        
        E-Mail: sbusch@sbusch.net
        Tel.: +49 30 69203884