Simple local interpolation of surfaces using normal vectors

T Nagata - Computer Aided Geometric Design, 2005 - Elsevier
A simple algorithm for surface interpolation is proposed. Its central idea is quadratic
interpolation of a curved segment from the position and normal vectors at the end points …

G1 spline functions for point cloud fitting

M Marsala, A Mantzaflaris, B Mourrain - Applied Mathematics and …, 2024 - Elsevier
In this work we present a new construction of basis functions that generate the space of
geometrically smooth splines on an unstructured quadrilateral mesh. The basis is …

A family of C1 quadrilateral finite elements

M Kapl, G Sangalli, T Takacs - Advances in Computational Mathematics, 2021 - Springer
We present a novel family of C 1 quadrilateral finite elements, which define global C 1
spaces over a general quadrilateral mesh with vertices of arbitrary valency. The elements …

Polynomial surfaces interpolating arbitrary triangulations

S Hahmann, GP Bonneau - IEEE Transactions on Visualization …, 2003 - ieeexplore.ieee.org
Triangular Bezier patches are an important tool for defining smooth surfaces over arbitrary
triangular meshes. The previously introduced 4-split method interpolates the vertices of a 2 …

Flexible G1 interpolation of quad meshes

GP Bonneau, S Hahmann - Graphical Models, 2014 - Elsevier
Transforming an arbitrary mesh into a smooth G 1 surface has been the subject of intensive
research works. To get a visual pleasing shape without any imperfection even in the …

Evolutionary multi-objective high-order tetrahedral mesh optimization

Y Ji, S Liu, JP Guo, JP Su, XM Fu - Computer Aided Geometric Design, 2024 - Elsevier
High-order mesh optimization has many goals, such as improving smoothness, reducing
approximation error, and improving mesh quality. The previous methods do not optimize …

Constraint modeling for curves and surfaces in CAGD: a survey

V Cheutet, M Daniel, S Hahmann… - … Journal of Shape …, 2007 - World Scientific
Computer-Aided Geometric Design modelers are now based on powerful mathematical
curve and surface models, but efficient tools to handle, analyze and modify these objects are …

Fast parallel construction of smooth surfaces from meshes with tri/quad/pent facets

A Myles, T Ni, J Peters - Computer Graphics Forum, 2008 - Wiley Online Library
Polyhedral meshes consisting of triangles, quads, and pentagons and polar configurations
cover all major sampling and modeling scenarios. We give an algorithm for efficient local …

[HTML][HTML] A super-smooth C1 spline space over planar mixed triangle and quadrilateral meshes

J Grošelj, M Kapl, M Knez, T Takacs, V Vitrih - Computers & Mathematics …, 2020 - Elsevier
In this paper we introduce a C 1 spline space over mixed meshes composed of triangles and
quadrilaterals, suitable for FEM-based or isogeometric analysis. In this context, a mesh is …

Surface reconstruction using bivariate simplex splines on Delaunay configurations

J Cao, X Li, G Wang, H Qin - Computers & Graphics, 2009 - Elsevier
Recently, a new bivariate simplex spline scheme based on Delaunay configuration has
been introduced into the geometric computing community, and it defines a complete spline …