Geometric data transfer between CAD systems: solid models

Uri Kroszynski, Bjarne Palstroem, Erik Trostmann, E. G. Schlechtendahl

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    Abstract

    The first phase of the ESPRIT project CAD*I resulted in a specification for the exchange of solid models as well as in some pilot implementations of processors based on this specification. The authors summarize the CAD*I approach, addressing the structure of neutral files for solids, entities, and attributes supporting three kinds of representations: facilities for the transfer of parametric designs; referencing library components; and other general mechanisms. They also describe the current state of the specification and processor implementations and include an example of a CAD*I neutral file. Results from cycle and intersystem solid model transfer tests are presented, showing the practicality of the CAD*I proposal. B-rep model transfer results are discussed in some detail. The relationship of this work to standardization efforts is outlined
    Original languageEnglish
    JournalI E E E Computer Graphics and Applications
    Volume9
    Issue number5
    Pages (from-to)57-71
    ISSN0272-1716
    DOIs
    Publication statusPublished - 1989

    Bibliographical note

    Copyright: 1989 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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