Resource management for CAD frameworks

We have devised an improved methodology for managing CAD resources--the tool and data abstractions that form the basis of tool integration efforts. The methodology permits many different abstracted views to coexist within the same CAD framework. This makes it easier to customize a CAD framework for a view that captures the needs of local designers, yet populate the same framework with CAD tools that have been encapsulated for other views. A client/server based tool communication strategy and a novel user interface management system, both operating in terms of abstracted tool and data entities, further increase CAD tool portability and framework openness in modern, distributed computing environments. The methodology also provides the primitives to support advanced task management and design process management systems.

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