The Ptolemy II Framework for Visual Languages

Authors:
Xiaojun Liu;Yuhong Xiong;Edward A. Lee
Affiliations:
-;-;-
Venue:
HCC '01 Proceedings of the IEEE 2001 Symposia on Human Centric Computing Languages and Environments (HCC'01)
Year:
2001

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Abstract

This paper presents the Ptolemy II framework that supportsthe visual modeling and design of heterogeneous systems.Models in this framework are structured ashierarchical clustered graphs. The framework provides theinfrastructure to support the implementation of a variety ofmodels of computation as domains. Heterogeneous systemsare modeled by hierarchically combining different domains.We describe the implementation of the *charts formalism (ageneralization of Statecharts) in Ptolemy II as an illustrationof the flexibility of this approach.