Several of the SAGA use cases show up a need for APIs to support Computational Steering. Both RealityGrid and VISIT have well documented approaches and have posted to the SAGA list. A third European steering API has now been released, this time from the gViz project. For more information, please see: http://www.comp.leeds.ac.uk/vis/gviz/ Stephen ==================== Stephen M. Pickles ==================== Technical Director, Grid Operations Support Centre Software Infrastructure Manager, RealityGrid Manchester Computing Room G49.1, Kilburn Building The University of Manchester tel: +44 161 275 5974 Oxford Road fax: +44 161 275 6800 Manchester M13 9PL stephen.pickles@manchester.ac.uk