A new local control spline with shape parameters for CAD/CAM View Full Text


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Article Info

DATE

1993-07

AUTHORS

Kaihuai Qin, Jiaguang Sun

ABSTRACT

A new local control spline based on shape parameters withG2 continuity, called BLC-spline, is proposed. Not only is BLC-spline very smooth, but also the spline curve's characteristic polygon has only three control vertices, and the characteristic polyhedron has only nine control vertices. The behavior of local control of BLC-spline is better than that of the other splines such as cubic Bezier,B and Beta-spline. The three shape parametersβ0,β1 andβ2 of BLC-spline which are independent of the control vertices, may be altered to change the shape of the curve or surface. It is shown that BLC-spline may be used to construct a space arc spline for DNC machining directly. That is a powerful tool for the design and manufacture of curves and surfaces in integrated CAD/CAM systems. More... »

PAGES

280

References to SciGraph publications

  • 1989-10. Technical summaries of GEMS in JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf02939535

    DOI

    http://dx.doi.org/10.1007/bf02939535

    DIMENSIONS

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