Computer Aided Geometric Design, Volume 12

Volume 12, Number 1, February 1995

Panagiotis D. Kaklis, Nickolas S. Sapidis:
Convexity-preserving interpolatory parametric splines of non-uniform polynomial degree. 1-26
Sean M. Gelston, Debasish Dutta:
Boundary surface recovery from skeleton curves and surfaces. 27-51
Tim N. T. Goodman, Jörg Peters:
Bézier nets, convexity and subdivision on higher-dimensional simplices. 53-65
Jean-Charles Fiorot, Pierre Jeannin, Salim Taleb:
Rational cubic curves as BR-curves. 67-88
Abedallah Rababah:
High order approximation method for curves. 89-102
Thomas W. Sederberg:
Point and tangent computation of tensor product rational Bézier surfaces. 103-106
Stephen Mann, Tony DeRose:
Computing values and derivatives of Bézier and B-spline tensor products. 107-110

Jianmin Zheng, Guozhao Wang, Youdong Liang:
GC_n continuity conditions for adjacent rational parametric surfaces. 111-129
Michael J. Pratt:
Cyclides in computer aided geometric design II. 131-152
Ulrich Reif:
A unified approach to subdivision algorithms near extraordinary vertices. 153-174
Helmut Pottmann:
Rational curves and surfaces with rational offsets. 175-192
Ulrich Reif:
Biquadratic G-spline surfaces. 193-205
Gill Barequet, Micha Sharir:
Filling gaps in the boundary of a polyhedron. 207-229

Lizhuang Ma, Qunsheng Peng:
Smoothing of free-form surfaces with Bézier patches. 231-249
Cesar Alonso, Jaime Gutierrez, Tomás Recio:
An implicitization algorithm with fewer variables. 251-258
Matthias Eck, Jan Hadenfeld:
Knot removal for B-spline curves. 259-282
Przemysjaw Kiciak:
Constructions of G₁ continuous joins of rational Bézier patches. 283-303
Deok-Soo Kim, Panos Y. Papalambros, Tony C. Woo:
Tangent, normal, and visibility cones on Bézier surfaces. 305-320
Deok-Soo Kim, Panos Y. Papalambros:
Detection of degenerate normal vectors on parametric surfaces: Tangent cone approach. 321-327

Xiaochun Liu, Yun Zhu:
A characterization of certain C2 discrete triangular interpolants. 329-348
Michael A. Facello:
Implementation of a randomized algorithm for Delaunay and regular triangulations in three dimensions. 349-370
Carsten Carstensen, G. Mühlbach, G. Schmidt:
De Casteljau's algorithm is an extrapolation method. 371-380
Malcolm I. G. Bloor, Michael J. Wilson, H. Hagen:
The smoothing properties of variational schemes for surface design. 381-394
Jean-Claude Léon, Philippe Trompette:
A new approach towards free-form surfaces control. 395-416
Takafumi Saito, Guo-Jin Wang, Thomas W. Sederberg:
Hodographs and normals of rational curves and surfaces. 417-430
Gerald E. Farin, Donghak Jung:
Linear precision of rational Bézier curves. 431-433
Jean-Charles Fiorot, Pierre Jeannin:
Linear precision of BR-curves. 435-438

Lizhuang Ma, Qunsheng Peng:
Recursive Gk transformations between adjacent Bézier surfaces. 439-458
Zhijie Cai:
Convergence, error estimation and some properties of four-point interpolation subdivision scheme. 459-468
Wenping Wang, Barry Joe:
The geometric interpretation of inversion formulae for rational plane curves. 469-489
Tomas Sauer:
Axially parallel subsimplices and convexity. 491-505
Gudrun Albrecht:
A note on Farin points for rational triangular Bézier patches. 507-512
Helmut Pottmann, Gerald E. Farin:
Developable rational Bézier and B-spline surfaces. 513-531
Wieger Wesselink, Remco C. Veltkamp:
Interactive design of constrained variational curves. 533-546
Ulrich Reif:
A note on degenerate triangular Bézier patches. 547-550

Y. L. Srinivas, Debasish Dutta:
Rational parametric representation of parabolic cyclide: Formulation and applications. 551-566
Klaus Höllig, J. Koch:
Geometric Hermite interpolation. 567-580
Phillip J. Barry, Su Dongli:
Extending B-spline tools and algorithms to geometrically continuous splines: A study of similarities and differences. 581-600
Lu Wei:
Offset-rational parametric plane curves. 601-616
Michael S. Floater:
High-order approximation of conic sections by quadratic splines. 617-637
Rida T. Farouki, Thomas W. Sederberg:
Analysis of the offset to a parabola. 639-645

Bernd Hamann, Ramon F. Sarraga:
Grid generation, finite elements, and geometric design. 647-649
David A. Field:
The legacy of automatic mesh generation from solid modeling. 651-673
Bharat K. Soni, Shaochen Yang:
NURBS-based surface grid redistribution and remapping algorithms. 675-692
Robert Schneiders, Rolf Bünten:
Automatic generation of hexahedral finite element meshes. 693-707
David L. Marcum, Nigel P. Weatherill:
Aerospace applications of solution adaptive finite element analysis. 709-731
Richard S. Palmer:
Chain models and finite element analysis: An executable formulation of plane stress. 733-770
Cecil Jose A. Delfinado, Herbert Edelsbrunner:
An incremental algorithm for Betti numbers of simplicial complexes on the 3-sphere. 771-784

Lars-Erik Andersson, Thomas J. Peters, Neil F. Stewart, S. M. Doney:
Polyhedral perturbations that preserve topological form. 785-799
Suresh K. Lodha, Ron Goldman:
Change of basis algorithms for surfaces in CAGD. 801-824
Erich Hartmann:
Blending an implicit with a parametric surface. 825-835
Werner Hohenberger, Thomas Reuding:
Smoothing rational B-spline curves using the weights in an optimization procedure. 837-848
Uwe Langbecker, Xinmin Lü:
A note on a local twist estimator. 849-852
Günter Aumann, Ulrich Reif, Klaus Spitzmüller:
A counterexample to a corollary of Kim et al.. 853-855
Marc Daniel:
A note on degenerate normal vectors. 857-860

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