Overview
Part of the book series: Research Reports Esprit (ESPRIT, volume 4)
Part of the book sub series: Project 322. CAD Interfaces (CAD*1) (1182)
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About this book
The content of this book is an information model for technical drawings, the so-called "Drafting Model". The Drafting Model is a part of a complex information model describing product definition data, their applications and their representations. The definition of the information model is a central component of the development of STEP, a future international standard for the exchange of product defmition data. Here the Drafting Model particularly encloses descriptions for the representations of organizational drawing data, tolerances, dimensions and surface attributes such as surface fmish symbols (a survey of the whole content is shown in the figure above). Additional to that requirements for the Presentation Model concerning the representation of geometry as well as the integration process for both the Drafting and the Presentation Models are formulated. The extent of the Drafting Model is restricted to the application area "Mechanical Engineering". Within the Drafting Model the annotation representations are described on the one hand informally and on the other hand formally using a high level language for information modeling, EXPRESS. Principally the representations of the annotation are described according to the international drawing standards. Thus the semantics pertinent to the specific graphical appearance are maintained. The data structures provide formal descriptions of annotations at a high generation level, which means that a "way" is defmed how to generate these annotations.
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Table of contents (8 chapters)
Authors and Affiliations
Bibliographic Information
Book Title: CAD*I Drafting Model
Authors: Richard Schuster, Dietmar Trippner, Michael Endres
Series Title: Research Reports Esprit
DOI: https://doi.org/10.1007/978-3-642-84058-6
Publisher: Springer Berlin, Heidelberg
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eBook Packages: Springer Book Archive
Copyright Information: ECSC — EEC — EAEC, Brussels — Luxembourg 1990
Softcover ISBN: 978-3-540-52051-1Published: 22 May 1990
eBook ISBN: 978-3-642-84058-6Published: 01 December 2013
Edition Number: 1
Number of Pages: XII, 233
Topics: Computer-Aided Engineering (CAD, CAE) and Design, Programming Languages, Compilers, Interpreters, Computation by Abstract Devices, Mathematical Logic and Formal Languages, Control, Robotics, Mechatronics, Engineering Economics, Organization, Logistics, Marketing