CCAT Demo step #5

One novel feature of the composition GUI is that it allows application composition even before the components are actually instantiated. Here we demonstrate a connection being made (this is done by dragging the mouse between ports) between uninstantiated components. The composition GUI maintains a graph of the application and can make real connections at a later time. Note also that connections are allowed only between compatible ports, which are highlighted for the user. All port information including their types comes from the component XML information.

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Last modified: Fri Feb 4 19:59:13 EST 2000