[kepler-dev] [Bug 4194] Kepler should have the Continous and Modal domains

Wed Jan 13 16:36:51 PST 2010

http://bugzilla.ecoinformatics.org/show_bug.cgi?id=4194

Christopher Brooks <cxh at eecs.berkeley.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
   Target Milestone|2.X.Y                       |2.0.0

--- Comment #1 from Christopher Brooks <cxh at eecs.berkeley.edu> 2010-01-13 16:36:51 PST ---
I can at least get the Continuous domain in place for 2.0.0.

I was looking at how to do this, and I've not yet found the docs
about how to add actors to the set of actors that are shipped with
Kepler.  One question is: how to I get a new LSID. 
I can take a look at this soon.

BTW - There appears to be no way to make a Modal Model in Kepler.
Modal Models would be very useful to scientists building models, see

Finite State Machines and Modal Models in Ptolemy II
Edward A. Lee
EECS Department
University of California, Berkeley
Technical Report No. UCB/EECS-2009-151
November 1, 2009
http://www.eecs.berkeley.edu/Pubs/TechRpts/2009/EECS-2009-151.pdf

This report describes the usage and semantics of finite-state machines (FSMs)
and modal models in Ptolemy II. FSMs are actors whose behavior is described
using a finite set of states and transitions between the states. The
transitions between the states are enabled by guards, which are boolean-valued
expressions that can reference inputs to the actor and parameters in scope. The
transitions can produce outputs and can update the value of parameters in
scope. Modal models extend FSMs by allowing states to have refinements, which
are hierarchical Ptolemy II models. The refinements may themselves be FSMs,
modal models, or any composite actor containing a director compatible with the
domain in which the modal model is being used. This report describes the
operational semantics, the practical usage, and the semantics of time in modal
models.

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