Advanced CAD/CAM Systems: State-of-the-Art and future trends - download pdf or read online

By R. Soenen, G. J. Olling (eds.)

ISBN-10: 0387348344

ISBN-13: 9780387348346

ISBN-10: 1504129296

ISBN-13: 9781504129299

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Additional resources for Advanced CAD/CAM Systems: State-of-the-Art and future trends in feature technology

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Strategies for the evaluation of the logic represented in the decision trees, such as 'depth-first' or 'width-first' search, as well as rule processing, are implemented via the modelling of control rules. The system consists of an interpreter and a database. The objects and rules are represented in the database in the form of a tree-like graph. The interpretation of the constraints and rules is performed by the interpreter. For access to the models two application-independent procedural interfaces are provided.

48 Part One Organizational Aspects In contrast to EXPRESS, which was conceived for the structured description of information within the framework of ISO 10303 (Product Data Representation and Exchange) [ISO 92a] for the standardization of product data exchange, POOL serves to describe features as product elements and for the definition of functions required for feature instantiation. The POOL description of a feature thus consists of two blocks. The fii'St block contains the definition of the feature type with its data attributes and sub-features.

Application Oriented Figure Types In contrast to conventional CAD systems in which the designer creates his designs using basic geometrical forms without semantics, the elements are now pre-defined in their design-related aspects. Features are to be understood as semantically endowed design objects that, in addition to their technically descriptive data also contain information about their behavior in the design. It is possible for the user to design his own features without being limited in respect of the complexity of the feature.

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Advanced CAD/CAM Systems: State-of-the-Art and future trends in feature technology by R. Soenen, G. J. Olling (eds.)

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