G2 Blending of Corners with Piecewise Algebraic Surfaces

  • Authors:
  • Falai Chen;Xing Tang

  • Affiliations:
  • -;-

  • Venue:
  • PG '03 Proceedings of the 11th Pacific Conference on Computer Graphics and Applications
  • Year:
  • 2003

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Abstract

In this paper, we present a construction approach to blend the corner of three coordinate planes with G2 continuous piecewise algebraic surfaces. For each pair of twocoordinate planes, an algebraic surface patch (which is defined in a tetrahedron or a prism) is used to blend the two coordinate planes, and then a center patch is constructed to blend the three algebraic surface patches. The defining region and the shape of the blending surface can be easily adjusted with a few free parameters. Examples are provided to illustrate the blending method. The result can be combined with potential method to blend three arbitrary algebraic surfaces intersecting transversally at a common point.