PTOLEMY II - CiteSeerX

Using Vergil
done in the run window, or in the graph editor in the same way you edited the parameter of the Const
actor before. The run window is shown in figure 2.12.
2.2.6 Making Connections
The model constructed above contained only two actors and one connection between them. If you
move either actor (by clicking and dragging), you will see that the connection is routed automatically.
We can now explore how to create and manipulate more complicated connections.
First create a model in a new graph editor that includes an SDFDirector, a Ramp actor (found in
the Sources) library, a Display actor, and a SequencePlotter actor, found in the Sinks library, as shown
in figure 2.13. Suppose we wish to route the output of the Ramp to both the Display and the Sequence-
Plotter. If we simply attempt to make the connections, we get the exception shown in figure 2.13.
FIGURE 2.12. Execution of the Hello World example.
FIGURE 2.13. Exception that occurs if you attempt to simply wire the output of the Ramp in figure 2.14 to
the inputs of the other two actors.
FIGURE 2.14. Three unconnected actors in a model.
54 Ptolemy II