References 477
[438] D. Nairn, J. Peters, and D. Lutterkort. Sharp, quantitative bounds on
the distance between a polynomial piece and its Bezier control polygon.
Computer Aided Geometric Design^ 16(7):613-631, 2000.
[439] A. Nasri. Boundary-corner control in recursive-subdivision surfaces.
Computer Aided Design, 23(6):405-411, 1991.
[440] A. Nasri. Surface interpolation on irregular networks with normal condi-
tions.
Computer Aided Geometric Design, 8(l):89-96, 1991.
[441] A. Nasri. Recursive subdivision of polygonal complexes and its applica-
tions in CAGD. Computer Aided Geometric Design, 17:595-619, 2000.
[442] G. Nielson. Some piecewise polynomial alternatives to splines under ten-
sion. In R. E. Barnhill and R. F. Riesenfeld, editors. Computer Aided
Geometric Design, pages 209-235. Academic Press, 1974.
[443] G. Nielson. The side-vertex method for interpolation in triangles. / of
Approx. Theory, 25:318-336, 1979.
[444] G. Nielson. Minimum norm interpolation in triangles. SIAM J Numen
Analysis, 17(l):46-62, 1980.
[445] G. Nielson. A rectangular nu-spline for interactive surface design. IEEE
Computer Graphics and Applications, 6(2):35-41, 1986.
[446] G. Nielson. Coordinate free scattered data interpolation. In L. Schumaker,
editor, Topics in Multivariate Approximation. Academic Press, 1987.
[447] G. Nielson. A transfinite, visually continuous, triangular interpolant. In
G. Farin, editor. Geometric Modeling: Algorithms and New Trends, pages
235-246. SIAM, Philadelphia, 1987.
[448] G. Nielson. A characterization of an affine invariant triangulation. In
G. Farin, H. Hagen, and H. Noltemeier, editors. Geometric Modelling,
pages 191-210. Springer, Vienna, 1993.
[449] G. Nielson and T. Foley. A survey of applications of an affine invariant
norm. In T. Lyche and L. Schumaker, editors. Mathematical Methods in
CAGD, pages 445-467. Academic Press, 1989.
[450] H. Nowacki. Splines in shipbuilding. Proc. 21st Duisburg colloquium on
marine technology. May 2000.
[451] H. Nowacki, D. Liu, and X. Lu. Fairing Bezier curves with constraints.
Computer Aided Geometric Design, 7(l-4):43-56, 1990.
[452] A. Overhauser. Analytic definition of curves and surfaces by parabolic
blending. Technical report. Ford Motor Company, 1968.
[453] D. Paglieroni. The directional parameter plane transform of a height field.
ACM Transactions on Graphics, 17(l):50-70, 1998.