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Digital Earth Moving pp 78–86Cite as

Corner, End, and Overlap “Extrusion Junctures”: Parameters for Geometric Control

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Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 2181))

Abstract

This paper seeks to make explicit the geometric parameters residing at corners, ends and overlap areas of extrusion operations, i.e. “extrusion junctures”. Their geometric complexity is discussed in the context of a generic digital sculpting tool definition which consists of four components are: (1) blade shape, (2) path shape, (3) blade-path relationship, and (4) Effect. First the blade-path relationship is described in detail, and then the geometric results at these junctures of extruding a blade shape against a path are described, highlighting those factors influencing user geometric control.

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References

  1. Bär, Hansruedi; Interaktive Bearbeitung von Geländeoberflächen; Konzepte, Methoden, Versuche; Ph.D Dissertation, Geographisches Institut, Universität Zürich, (1994)

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  2. Ervin, Stephen M.; Westort, Caroline Y.: Procedural Terrain; A Virtual Bulldozer; Proceedings CAAD-Futures, International Conference on Computer Aided Architectural Design; Singapore, September, 1995.

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  3. Weibel, R., and heller, M. (1990): “A Framework for Digital Terrain Modeling.”; Proceedings of the Fourth International Symposium on Spatial Data Handling, Zürich, Vol. 1, pp. 219–229.

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  4. Westort, Caroline Y.: Methods for Sculpting Digital Topographic Surfaces; Ph.D Dissertation; Department of Geography, Spatial Data Handling Division, University of Zürich, Switzerland, Promovierung: November, 1998.

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Author information

Authors and Affiliations

  1. The CIM Institute for Applied Computer Science and Industrial Technology (iCIMSI), University for Applied Sciences of Southern Switzerland (SUPSI), 6928, Manno, Switzerland

    Caroline Y. Westort

Authors
  1. Caroline Y. Westort
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Editor information

Editors and Affiliations

  1. The CIM Institute for Applied Computer Science and Industrial Technoloy (iCIMSI), University of Applied Sciences of Southern Switzerland (SUPSI), 6928, Manno, Switzerland

    Caroline Y. Westort

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© 2001 springer-Verlag Berlin Heidelberg

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Cite this paper

Westort, C.Y. (2001). Corner, End, and Overlap “Extrusion Junctures”: Parameters for Geometric Control. In: Westort, C.Y. (eds) Digital Earth Moving. Lecture Notes in Computer Science, vol 2181. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44818-7_12

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  • DOI: https://doi.org/10.1007/3-540-44818-7_12

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-42586-1

  • Online ISBN: 978-3-540-44818-1

  • eBook Packages: Springer Book Archive

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