J. Coutaz, PAC-ing the architecture of your user interface, Proc. 4th Eurographics Workshop on Design, Specification and Verification of Interactive Systems, Springer, Addison-Wesley, 1997, pp. 15-32.  Home/Search   Document Details and Download   Summary   Related Articles   Check

....The PAC Amodeus model is a combination of two models, the Arch model and the PresentationAbstraction Control (PAC) model. The Arch model, which is a refinement of the Seeheim model, distinguishes five components of an interactive software system ( Encarnao, 1997] Coutaz, Nigay, Salber, 1995] [Coutaz, 1997]) The structure of the Arch model is shown in the figure below. 7 Functional Core Domain Adapter Component Dialogue Component Presentation Component Interaction toolkit Component Figure 3. Arch model of interactive software The functional core (or domain specific component) encapsulates the ....

....is to convert the interface of a class or a subsystem into another interface that is expected by a client. In the PAC Amodeus architecture, the dialogue component is refined using the Presentation AbstractionControl (PAC) model ( Coutaz, 1987] Coutaz, 1990] Coutaz, Nigay, Salber, 1995] [Coutaz, 1997]; Buschmann et al. 1996] PAC is an multi agent model that structures the dialogue component as a hierarchy of interacting agents. An agent corresponds to e.g. a window, a group of widgets, or an individual widget. Each agent has three facets: an abstraction facet, which contains the data or ....

Jolle Coutaz, "PAC-ing the Architecture of Your User Interface", in: Design, Specification and Verification of Interactive Systems, Proceedings of the Eurographics Workshop (DSV-IS'97), Springer Verlag, 1997, pp. 15-32

....of other PAC agents. These general ideas of separation into glue and hierarchical encapsulation are commonly found in other user interface models and toolkits as well [14, 18] There are some models that provide means for structuring inter user communication. One example is the PAC model [6, 9], which is a descendant of PAC Amodeus. In the PAC model, each user is represented by a PAC tree. Agents which are in the same position in the di erent users trees are able to communicate directly. These agents are called peer agents. This communication scheme may be considered similar to ....

....a general overview window showing the activities of all users, only the root agent would allow the window s components to get at this information, because the information resides in di erent subtrees. See gure 1. Another example is in fact given by the very example communication illustrated in [9]. In such cases, the root agent needs to handle all peer communication, and e ectively becomes a central access point for much of the user interface state. This small example indicates that in some user interfaces, user interface state information is inherently non localised, and is dicult to ....

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J. Coutaz. Pac-ing the architecture of your user interface. In Proceedings of the 4th Eurographics Workshop on Design, Specication and Verication of Interactive Systems, pages 15-32. Springer, Addison-Wesley, 1997.

....In contrast to a purely data and functionality oriented understanding of the modeling task as in traditional database (application) modeling, the advantage of these models is that they consider a much broader view of the system to be developed. In the Presentation Abstraction Control (PAC; [6, 3]) approach, an application model consists of a hierarchy of cooperating agents, each with specific functional responsibilities. An agent consists of three facets, namely presentation, abstraction, and control. Since the PAC model does not explicitly distinguish between user input handling and ....

J. Coutaz, PAC-ing the architecture of your user interface, Proc. 4th Eurographics Workshop on Design, Specification and Verification of Interactive Systems, Springer, Addison-Wesley, 1997, pp. 15-32.

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J. Coutaz, PAC-ing the architecture of your user interface, Proc. 4th Eurographics Workshop on Design, Specification and Verification of Interactive Systems, Springer, Addison-Wesley, 1997, pp. 15-32.

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