作者: 即席 時(shí)間: 2025-3-21 23:22 作者: 官僚統(tǒng)治 時(shí)間: 2025-3-22 01:52
Charlotte Sieber-Gasser,Alberto Ghibellinich tangential surface are clipped away while preserving everything that lies within the box. This clipping only involves subdivision along isoparametric curves, a considerably simpler process than exact trimming to the box. The isoparametric values for this clipping are computed as local extrema fro作者: STALE 時(shí)間: 2025-3-22 04:43
Dynamics and Practices of Decentralisation,We describe a scheme that produces a convexity-preserving parametric quartic spline interpolant to position, tangent and curvature data. The resulting interpolant is curvature continuous and the scheme is local and 6-th order accurate. Moreover, the interpolant depends continuously on the given data.作者: Mitigate 時(shí)間: 2025-3-22 10:00 作者: 通便 時(shí)間: 2025-3-22 13:24
A Parametric Quartic Spline Interpolant to Position, Tangent and Curvature,We describe a scheme that produces a convexity-preserving parametric quartic spline interpolant to position, tangent and curvature data. The resulting interpolant is curvature continuous and the scheme is local and 6-th order accurate. Moreover, the interpolant depends continuously on the given data.作者: 通便 時(shí)間: 2025-3-22 20:43 作者: 協(xié)奏曲 時(shí)間: 2025-3-22 21:54
Integrated Planning and Learning,e knowledge of the underlying quadric, an important property in view of applying this method for the interpolation of triangulated 3D data points. The algorithm consists of four steps starting with the arbitrary choice of the three corner points and corner weights of the patch, by then constructing 作者: ablate 時(shí)間: 2025-3-23 03:48
Deep-Sea Mining and the Water Columny control of these methods, by means of “accuracy criteria” independent of particular flattening methodologies, has not been addressed yet by researchers. This is exactly the subject of this paper: a detailed analysis of flattening is presented leading to geometric and physics-based criteria. These 作者: Invertebrate 時(shí)間: 2025-3-23 06:48
Conclusion: Militarizing Politics,e recursively defined by Loop subdivision for arbitrary manifold triangle meshes. We orthogonalize our wavelets with respect to local scaling functions. This way, the wavelet analysis computes locally a least squares fit when reducing the resolution and converting geometric detail into sparse wavele作者: 肌肉 時(shí)間: 2025-3-23 11:28 作者: 緊張過(guò)度 時(shí)間: 2025-3-23 13:55 作者: cliche 時(shí)間: 2025-3-23 20:23
Democratizing China’s Political Imaginariesis of an evolving polygon, corresponding either to a face or to the 1-ring neighborhood of a vertex, complements in a geometrically intuitive way the eigenanalysis of the subdivision matrix. In the applications we study the types of singularities that may appear on a subdivision surface, and we find作者: 清洗 時(shí)間: 2025-3-23 22:25 作者: transient-pain 時(shí)間: 2025-3-24 03:52 作者: 最初 時(shí)間: 2025-3-24 08:50 作者: adipose-tissue 時(shí)間: 2025-3-24 13:34 作者: commensurate 時(shí)間: 2025-3-24 18:13
https://doi.org/10.1007/978-981-97-5384-0sed multiresolution editing framework, the curve can be deformed at any level of resolution through its control points. Enforcing the length constraint is carried out in two steps. In a first step the multiresolution decomposition of the curve is used in order to approximate the initial curve length作者: ingestion 時(shí)間: 2025-3-24 20:26 作者: 咒語(yǔ) 時(shí)間: 2025-3-25 01:27
https://doi.org/10.34157/978-3-648-17383-1 the purpose of the work presented here an approximate analytic solution form for the chosen PDE is utilised. It is shown that the spine of the PDE surface is then computed as a by-product of this analytic solution. Furthermore, it is shown that a parameterisation can be introduced on the spine enab作者: 1分開(kāi) 時(shí)間: 2025-3-25 03:38
https://doi.org/10.1007/978-3-658-45004-5on compatible with the curvature requirements. The first method applies an incremental and constrained Delaunay triangulation and uses curvature bounds to determine if an edge of the triangulation is admissible. The second method uses this function also in the edge refinement process, i.e. in the co作者: 豐滿(mǎn)有漂亮 時(shí)間: 2025-3-25 07:30 作者: Postulate 時(shí)間: 2025-3-25 12:30 作者: 指令 時(shí)間: 2025-3-25 17:22
Dental Pulp Is a Connective Tissue,c cubic curves and their shape can be easily controlled via tension parameters which have an immediate geometric interpretation. Applications to the problem of approximation of curves with shape-constraints are discussed.作者: Heterodoxy 時(shí)間: 2025-3-25 23:24
https://doi.org/10.34157/978-3-648-17383-1 the purpose of the work presented here an approximate analytic solution form for the chosen PDE is utilised. It is shown that the spine of the PDE surface is then computed as a by-product of this analytic solution. Furthermore, it is shown that a parameterisation can be introduced on the spine enabling intuitive manipulation of PDE surfaces.作者: 落葉劑 時(shí)間: 2025-3-26 04:12
Quasi-Interpolants with Tension Properties from and in CAGD,c cubic curves and their shape can be easily controlled via tension parameters which have an immediate geometric interpretation. Applications to the problem of approximation of curves with shape-constraints are discussed.作者: BRAVE 時(shí)間: 2025-3-26 05:20
Spine Based Shape Parameterisation for PDE Surfaces, the purpose of the work presented here an approximate analytic solution form for the chosen PDE is utilised. It is shown that the spine of the PDE surface is then computed as a by-product of this analytic solution. Furthermore, it is shown that a parameterisation can be introduced on the spine enabling intuitive manipulation of PDE surfaces.作者: deceive 時(shí)間: 2025-3-26 09:55
978-3-211-20818-2Springer-Verlag/Wien 2004作者: 著名 時(shí)間: 2025-3-26 14:00 作者: 果核 時(shí)間: 2025-3-26 20:10
Planar Development of Free-Form Surfaces: Quality Evaluation and Visual Inspection,y control of these methods, by means of “accuracy criteria” independent of particular flattening methodologies, has not been addressed yet by researchers. This is exactly the subject of this paper: a detailed analysis of flattening is presented leading to geometric and physics-based criteria. These 作者: languor 時(shí)間: 2025-3-27 00:11
Biorthogonal Loop-Subdivision Wavelets,e recursively defined by Loop subdivision for arbitrary manifold triangle meshes. We orthogonalize our wavelets with respect to local scaling functions. This way, the wavelet analysis computes locally a least squares fit when reducing the resolution and converting geometric detail into sparse wavele作者: Consequence 時(shí)間: 2025-3-27 02:55
Fairness Criteria for Algebraic Curves,ding energy. In addition, we take certain feasibility criteria for the algebraic curve segment into account. We describe a computational technique for the variational design of algebraic curves, using an SQP (sequential quadratic programming) — type method for constrained optimization. As demonstrat作者: 罐里有戒指 時(shí)間: 2025-3-27 08:02
Spline Curve Approximation and Design by Optimal Control Over the Knots,mization such as in [16] is that it can handle both approximation and interpolation. Moreover a cost function is introduced to implement a design objective (shortest curve, smoothest one etc...). The present work introduces the Optimal Control over the knot vectors of non-uniform B-Splines. Violatio作者: Ledger 時(shí)間: 2025-3-27 10:20 作者: 變色龍 時(shí)間: 2025-3-27 17:26 作者: landfill 時(shí)間: 2025-3-27 19:08
,Bounding the Distance between 2D Parametric Bézier Curves and their Control Polygon,ic Bézier curve and a parameterization of its control polygon based on the Greville abscissae. Several of the norms appearing in these bounds are orientation dependent. We next present algorithms for finding the optimal orientation angle for which two of these norms become minimal. The use of these 作者: exclamation 時(shí)間: 2025-3-27 22:30 作者: Fluctuate 時(shí)間: 2025-3-28 05:12 作者: CROAK 時(shí)間: 2025-3-28 06:27 作者: padding 時(shí)間: 2025-3-28 11:06
Robust Spherical Parameterization of Triangular Meshes,phing. Closed, manifold, genus-0 meshes are topologically equivalent to a sphere, hence this is the natural parameter domain for them. Parameterizing a 3D triangle mesh onto the 3D sphere means assigning a 3D position on the unit sphere to each of the mesh vertices, such that the spherical triangles作者: Vasoconstrictor 時(shí)間: 2025-3-28 15:08 作者: 漫步 時(shí)間: 2025-3-28 21:23
Two Triangulation Methods Based on Edge Refinement,on compatible with the curvature requirements. The first method applies an incremental and constrained Delaunay triangulation and uses curvature bounds to determine if an edge of the triangulation is admissible. The second method uses this function also in the edge refinement process, i.e. in the co作者: Explicate 時(shí)間: 2025-3-29 01:47 作者: Original 時(shí)間: 2025-3-29 03:35 作者: pulmonary 時(shí)間: 2025-3-29 08:36
ic models– surface reconstruction– variational design– computational geometry of curves and surfaces– 3D meshing– geometric modelling for scientific visualization– geometric models for biomedical applications978-3-211-20818-2978-3-7091-0587-0作者: 熄滅 時(shí)間: 2025-3-29 14:11 作者: Strength 時(shí)間: 2025-3-29 16:06
Wavelet-Based Multiresolution with , Subdivision,-spline wavelets. We present a B-spline wavelet lifting scheme for .-subdivision steps to obtain small or narrow filters. Narrow filters support adaptive refinement and out-of-core data exploration techniques.作者: Ligament 時(shí)間: 2025-3-29 23:24 作者: 向前變橢圓 時(shí)間: 2025-3-30 00:06
,Vorüberlegungen zum Franchisevertrag,sion between the plane and each of the ellipsoids. Compared with previous algorithms (such as the GJK method) which employ polygonal approximation of ellipsoids, our algorithm demonstrates comparable computing speed and much higher accuracy.作者: chance 時(shí)間: 2025-3-30 04:55 作者: 名字 時(shí)間: 2025-3-30 12:00
Efficient Collision Detection for Moving Ellipsoids Using Separating Planes,sion between the plane and each of the ellipsoids. Compared with previous algorithms (such as the GJK method) which employ polygonal approximation of ellipsoids, our algorithm demonstrates comparable computing speed and much higher accuracy.作者: 容易懂得 時(shí)間: 2025-3-30 12:32
Conference proceedings 2004gstuhl, Germany.Topics treated are:– curve and surface modelling– non-manifold modelling in CAD– multiresolution analysis of complex geometric models– surface reconstruction– variational design– computational geometry of curves and surfaces– 3D meshing– geometric modelling for scientific visualization– geometric models for biomedical applications作者: VALID 時(shí)間: 2025-3-30 20:30
Sven J. Matten,Markus J. Pauschpherical angles of the spherical triangles for them to form a spherical triangulation. We formulate and solve an optimization procedure to produce spherical triangulations which reflect the geometric properties of a given 3D mesh in various ways.作者: CRASS 時(shí)間: 2025-3-30 21:38
Robust Spherical Parameterization of Triangular Meshes,pherical angles of the spherical triangles for them to form a spherical triangulation. We formulate and solve an optimization procedure to produce spherical triangulations which reflect the geometric properties of a given 3D mesh in various ways.作者: 芳香一點(diǎn) 時(shí)間: 2025-3-31 04:22
curves, surfaces as well as other 3-dimensional geometry is given. The range of applicationsinclude CAD/CAM-systems, computer graphics, scientific visualization, virtual reality, simulation and medical imaging. The content of this book is based on selected lectures given at a workshop held at IBFI 作者: 谷物 時(shí)間: 2025-3-31 05:57 作者: progestogen 時(shí)間: 2025-3-31 12:11
Deep-Sea Mining and the Water Columners. This is exactly the subject of this paper: a detailed analysis of flattening is presented leading to geometric and physics-based criteria. These are implemented in intuitively-acceptable visualization techniques, which are applied to practical examples.作者: Abutment 時(shí)間: 2025-3-31 15:50 作者: 預(yù)測(cè) 時(shí)間: 2025-3-31 18:39 作者: phytochemicals 時(shí)間: 2025-4-1 00:38
The Creation of the Penitentiary Law,ctive (shortest curve, smoothest one etc...). The present work introduces the Optimal Control over the knot vectors of non-uniform B-Splines. Violation of Schoenberg-Whitney condition is dealt naturally within the Optimal Control framework. A geometric description of the resulting null space is provided as well.作者: ASSET 時(shí)間: 2025-4-1 03:47
Democratizing China’s Political Imaginarieseigenanalysis of the subdivision matrix. In the applications we study the types of singularities that may appear on a subdivision surface, and we find properties of the subdivision surface that depend on the initial control polyhedron only.作者: 連詞 時(shí)間: 2025-4-1 09:19
