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

Posted On March 13, 2018 at 9:58 pm by / Comments Off on 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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Extra resources for Advanced CAD/CAM Systems: State-of-the-Art and future trends in feature technology

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When features interact geometrically, functions of these attributes are called which update the feature geometry relation. Specifically, three cases have to be distinguished: I 2 Deletion of a face, which causes the attribute function to delete the reference (and only the reference) from the corresponding feature object to geometry as well, Split of a face, which causes the attribute function to inherit the reference of the corresponding feature object to the splitted faces and 50 3 Part One Organizational Aspects Merging of two faces, which is suppressed in the topological structure of the geometric modeller by initialisation parameters.

Architecture for Rule based Feature Interpretation. g. for the assignment of suitable processes to the manufacturing features. The context-specific differentiation of the rules for an object is supported using a layer concept. At each layer application specific rules, such as for tool selection, are attached to the corresponding specific feature objects. The individual layers are therefore to be activated application-specifically. In this way it is possible to distinguish the rules belonging to a feature in a taskoriented fashion.

2. Mediators as integration actors In this section we discuss a novel approach to information processing which is applicable for large systems integration purposes. This approach bases on relatively small processing modules - mediators (figure 5). The principals of the mediators are thoroughly described by Gio Wiederhold (see Section 'Bibliographic notes'). Ilf fl,-::- 0:1 j! Multiple data sources (managed by data aourcca administralors) Input •- real-world changes Figure 5. Integration based on mediators architecture The very characteristic feature of mediators is that they remain simple and are constrained by a single ontology.

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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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