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History, Parametric Parts and Programming

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Solid Modelling and CAD Systems

Abstract

This chapter deals with command files, how they were used to create objects in early modelling research, and the modern counterpart, the operation history. The chapter also deals with how parametric parts can be created. The chapter starts with an original command sequence from 1979 to create an object. Although this may seem outdated it demonstrates several principles that are seen in modern CAD systems. One of the continuing concerns is the identification of elements for operations. This is needed for the command history and is currently seen in what is called “persistent naming”. The chapter also describes how simple dimensions and command parameters can be used to create parametric parts.

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References

  1. Stroud, I.A.: BUILD picture book. CAD Group Document 104, Cambridge University Computer Laboratory, November (1979)

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  2. Várady, T., Gàal, B., Jared, G.E.M.: Identifying features in solid modelling. Comput. Ind. 14(1–3), 43–50 (1989)

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  3. Mun, D.-W., Han, S.-H.: Identification of Topological Entities and Naming Mapping Based on IGM for Parametric CAD Model Exchanges, Int. J. CAD/CM. 5(1), 69–81 (2005)

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  4. Hillyard, R.C.: Dimensioning and tolerancing in shape design. Ph.D. Dissertation, University of Cambridge Computer Laboratory, Technical Report No. 8, June (1978)

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Correspondence to Ian Anthony Stroud .

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© 2011 Springer-Verlag London Limited

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Stroud, I.A., Nagy, H. (2011). History, Parametric Parts and Programming. In: Solid Modelling and CAD Systems. Springer, London. https://doi.org/10.1007/978-0-85729-259-9_12

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  • DOI: https://doi.org/10.1007/978-0-85729-259-9_12

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  • Publisher Name: Springer, London

  • Print ISBN: 978-0-85729-258-2

  • Online ISBN: 978-0-85729-259-9

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