Computer Aided Geometric Design, Volume 15

Volume 15, Number 1, December 1997

• Tim N. T. Goodman, B. H. Ong:
  Shape preserving interpolation by space curves. 1-17
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• Wendelin L. F. Degen, Volker Milbrandt:
  The geometric meaning of Nielson's affine invariant norm. 19-25
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• Jesús M. Carnicer, Michael S. Floater, Juan Manuel Peña:
  Linear convexity conditions for rectangular and triangular Bernstein-Bézier surfaces. 27-38
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• Achille Messac, Arun Sivanandan:
  A new family of convex splines for data interpolation. 39-59
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• Paul Dierckx:
  On calculating normalized Powell-Sabin B-splines. 61-78
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• Michael G. Wagner, Bahram Ravani:
  Curves with rational Frenet-Serret motion. 79-101
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Volume 15, Number 2, February 1998

• Dereck S. Meek, Desmond J. Walton:
  Planar spirals that match G₂ Hermite data. 103-126
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• Seth Allen, Debasish Dutta:
  Results on nonsingular, cyclide transition surfaces. 127-145
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• Thomas Hermann, Gábor Lukács:
  Proof of the nonintersection conjecture of Hoffmann and Peters. 147-163
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• Helmut Pottmann, Martin Peternell:
  Applications of Laguerre geometry in CAGD. 165-186
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• Rida T. Farouki:
  On integrating lines of curvature. 187-192
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Volume 15, Number 3, March 1998

• Kenji Shimada, David C. Gossard:
  Automatic triangular mesh generation of trimmed parametric surfaces for finite element analysis. 199-222
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• Martin Peternell, Helmut Pottmann:
  A Laguerre geometric approach to rational offsets. 223-249
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• Cai Zhijie:
  Modified four-point scheme and its application. 251-260
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• Marco Paluszny, Richard R. Patterson:
  Geometric control of G₂-cubic A-splines. 261-287
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• James A. Schaaf, Bahram Ravani:
  Geometric continuity of ruled surfaces. 289-310
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Volume 15, Number 4, April 1998

• Giulio Casciola, Serena Morigi, Javier Sánchez-Reyes:
  Degree elevation for p-Bézier curves. 313-322
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• Zafer Kadi, Alyn P. Rockwood:
  Conformal maps defined about polynomial curves. 323-337
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• R. F. Rohmfeld:
  IGB-offset for plane curves - loop removal by scanning of interval sequences. 339-375
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• Erich Hartmann:
  Numerical implicitization for intersection and Gn-continuous blending of surfaces. 377-397
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• Caiming Zhang, Fuhua Cheng, Kenjiro T. Miura:
  A method for determining knots in parametric curve interpolation. 399-416
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Volume 15, Number 5, May 1998

• Ramon F. Sarraga:
  Recent methods for surface shape optimization. 417-436
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• Takashi Maekawa, Nicholas M. Patrikalakis, Takis Sakkalis, Guoxin Yu:
  Analysis and applications of pipe surfaces. 437-458
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• Jörg Peters, Ulrich Reif:
  The 42 equivalence classes of quadratic surfaces in affine n-space. 459-473
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• Nur Arad:
  Grid-distortion on nonrectangular grids. 475-493
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• A. A. Ligun, A. A. Shumeiko, Stephen P. Radzevich, Erik D. Goodman:
  Asymptotically optimum recovery of smooth contours by Bézier curve. 495-506
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• Lars-Erik Andersson, Thomas J. Peters, Neil F. Stewart:
  Selfintersection of composite curves and surfaces. 507-527
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• Thomas Hermann:
  On the smoothness of offset surfaces. 529-533
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Volume 15, Number 6, June 1998

• Desmond J. Walton, Dereck S. Meek:
  G₂ curves composed of planar cubic and Pythagorean hodograph quintic spirals. 547-566
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• Andrew Warkentin, Fathy Ismail, Sanjeev Bedi:
  Intersection approach to multi-point machining of sculptured surfaces. 567-584
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• Gábor Lukács:
  Differential geometry of G1 variable radius rolling ball blend surfaces. 585-613
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• Rida T. Farouki, Rajesh Ramamurthy:
  Degenerate point/curve and curve/curve bisectors arising in medial axis computations for planar domains with curved boundaries. 615-635
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• Yong-Ming Li, Xiao-Ying Zhang:
  Basis conversion among Bézier, Tchebyshev and Legendre. 637-642
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Volume 15, Number 7, July 1998

• Ching-Kuang Shene:
  Blending two cones with Dupin cyclides. 643-673
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• Gudrun Albrecht:
  Determination and classification of triangular quadric patches. 675-697
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• Marco Paluszny, Wolfgang Böhm:
  General cyclides. 699-710
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• Yong-Ming Li, Vivian Y. Hsu:
  Curve offsetting based on Legendre series. 711-720
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• Qun Lin, Jon G. Rokne:
  Disk Bézier curves. 721-737
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• Nataraj Akkiraju:
  Approximating spheres and sphere patches. 739-756
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• Anshuman Razdan, Gerald E. Farin:
  Determination of end conditions for NURB surface interpolation. 757-768
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Volume 15, Number 8, September 1998

• Praveen Kashyap:
  Geometric interpretation of continuity over triangular domains. 773-786
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• Dereck S. Meek, Desmond J. Walton:
  Planar G¹ Hermite interpolation with spirals. 787-801
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• David A. Cox, Thomas W. Sederberg, Falai Chen:
  The moving line ideal basis of planar rational curves. 803-827
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• Raúl Gormaz:
  A class of multivariate de Boor-Fix formulae. 829-842
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• Lian Fang:
  Circular arc approximation by quintic polynomial curves. 843-861
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• Shongtao Liu:
  A note on convexity-preserving interpolation subdivision. 863-865
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Volume 15, Number 9, October 1998

• Thomas Speer, Markus Kuppe, Josef Hoschek:
  Global reparametrization for curve approximation. 869-877
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• Yves Mineur, Tony Lichah, Jean Marie Castelain, Henri Giaume:
  A shape controled fitting method for Bézier curves. 879-891
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• Jesús M. Carnicer, M. García-Esnaola:
  Global convexity of curves and polygons. 893-907
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• Javier Sánchez-Reyes:
  Harmonic rational Bézier curves, p-Bézier curves and trigonometric polynomials. 909-923
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• Les A. Piegl, Wayne Tiller:
  Computing the derivative of NURBS with respect to a knot. 925-934
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