%T GECKO: A graphical tool for the modelling and manipulation of occam software and transputer hardware topologies %A Marc Stephenson, Olivier Boudillet %E Charlie Askew %B OUG\-9: Occam and the Transputer \-\- Research and Applications %X This paper outlines some of the work undertaken at the Polytechnic of Central London (PCL), within the framework of the Alvey supported Parsifal project. The aim of this work is to help the user with the problems of: conceptualising, designing, fine tunning and configuring occam applications.