In comp.soft-sys, [EMAIL PROTECTED] (Dave from Dublin) writes:
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I am quite new to Ptolemy and I am working a little in the DE domain.
I cannot seem to find an actor that will perform the equivalent of an
IF statement, i.e. an actor that reads from a single input channel and
chooses which output port to write to, based on the value read (e.g.
>5 write to port1, else write to port2). Is there an actor to do this
or is there another way to implement this kind of functionality?
Any help greatly appreciated,
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This sounds a bit like Dynamic Dataflow (DDF), which is not supported
in Ptolemy II. In SDF, having an actor that fires to a different port
depending on its value makes it difficult to figure out the balance
equations.
You could try using a Comparator connected to a BooleanSelect or
BooleanSwitch. Comparator is found under actor library -> logic
BooleanSelect and BooleanSwitch are found under actor library ->
boolean flow control -> boolean flow control.
Someone else might have a suggestion.
-Christopher
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