特别是该数据结构允许检索任意alpha值的alpha复合体、关键alpha值的整个频谱以及三角剖分面上的筛选。 三维3D Alpha Shapes 这个包提供了一个数据结构,可以编码一个字母复合体,也可以编码与给定的3D Delaunay或规则三角剖分相关的整个字母复合体系列。在后一种情况下,数据结构允许检索任意alpha值的alpha复合体、关键alph...
特别是该数据结构允许检索任意alpha值的alpha复合体、关键alpha值的整个频谱以及三角剖分面上的筛选。 三维3D Alpha Shapes 这个包提供了一个数据结构,可以编码一个字母复合体,也可以编码与给定的3D Delaunay或规则三角剖分相关的整个字母复合体系列。在后一种情况下,数据结构允许检索任意alpha值的alpha复合体、关键alph...
上述示例代码演示了如何使用CGAL库进行2D alpha形状剩余三角形提取。首先,我们创建了一个点集,并使用Delaunay三角剖分算法创建了一个三角剖分。然后,我们使用Alpha_shape_2算法创建了alpha形状,并设置了alpha值。最后,我们通过get_alpha_shape_facets函数提取了剩余三角形,并输出了结果。 腾讯云相关产品:由于要求不...
The Computational Geometry Algorithms Library(CAGL), offers data structures and algorithms like triangulations(2D constrained triangulations and Delaunay triangulations in 2D and 3D, periodic triangulations in 3D), Voronoi diagrams(for 2D and 3D points, 2D additively weighted Voronoi diagrams, and segment ...
differential properties, and approximation of ridges and umbilics),alpha shapes,convex hull algorithms(in 2D, 3D and dD),search structures(kd trees for nearest neighbor search, and range and segment trees),interpolation(natural neighbor interpolation and placement of streamlines),shape analysis, ...
(surface mesh simplification, subdivision and parameterization, as well as estimation of local differential properties, and approximation of ridges and umbilics), alpha shapes, convex hull algorithms(in 2D, 3D and interpolation and placement of streamlines), shape analysis, fitting, and distances(...
利用CGAL库中的 CGAL::Alpha_shape_3<Dt>模板类实现 离散数据点三维物体原形的三角面片重构,得到空间中点与点 邻接关系,这是对三维物体点云数据进行曲面拟合中关键一步。 4.1α图的定义 在2.3的基础上给出点集 S的 α图的定义,它是由 F 2 、中的 ...
differential properties, and approximation of ridges and umbilics), alpha shapes, convex hull algorithms (in 2D, 3D and dD), search structures (kd trees for nearest neighbor search, and range and segment trees), interpolation (natural neighbor interpolation and placement of streamlines), shape ana...
Algebraic_kernel_d/include/CGAL/Algebraic_kernel_d/Bitstream_coefficient_kernel_at_alpha.h Show resolved Cartesian_kernel/include/CGAL/Cartesian/ConicCPA2.h Show resolved MaelRL modified the milestones: 5.0.2, 4.14.3, 5.1-beta Feb 11, 2020 MaelRL added the Cleaning label Feb 11, 2020 ...
This application illustrates the 3D Alpha shapes of CGAL. See also the online of CGAL. See also the online manual. 2 changes: 1 addition & 1 deletion 2 Barycentric_coordinates_2/include/CGAL/Barycentric_coordinates_2/Discrete_harmonic_2.h Show comments View file Edit file Delete file ...