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delaunay script overview « 1 - 30 » of 15 scripts

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Delaunay triangulator

... The library is contained in ... possible.In addition, the adjacency of each triangle is computed and redundant vertices are discarded.The algorithm used is ... the flip algorithm in ... divide and conquer fashion.Delaunay triangulations have their application in game development, 2D calculations, graph theory, artificial ...

Quick Delaunay Triangulation

... returns the Delaunay triangulation of the 2D point set p.INPUT ... double array of size 2xN. The list of unique points ... double array of size ntx3. It contains the triangles of the Delaunay ... indexes of the points forming the triangle. Indexes are sorted counterclockwise ... first points is flagged as one. Demands ...

Earth Mesh

... NASA orbital image data was imported into the Mapping Toolbox, which rendered the globe. Stellar coordinates were ... also imported into the Mapping Toolbox. Equidistant points in the sphere were generated at ... 5-deg increments and Delaunay tesselated using CONVHULL. Demands ...

Triangulate vertices on a sphere

... set of points on the unit sphere using idea of stereographical ... 1. use the first vertex as projection center, project all the points onto ... plane2. call delaunay triangulation to triangulate those points on the plane3. fill the hole by connecting ... the first vertex to the convex hull of the other vertices ...

Gradient for Triangulated Data

... or TRIGRADIENT(TRI,X,Y,Z,'vertex') returns numerical gradients of the function ... the vertices of the triangles specified in TRI. dFx and dFy are column vectors having the same ... where the triangles are defined by the M-by-3 face matrix TRI, such as that returned by DELAUNAY. ... vertex vectors to define ...

Computational Geometry Algorithms Library

... to provide easy access to efficient and reliable geometric algorithms to users in industry and academia in ... library.CGAL is used in various areas needing geometric computation, such as ... molecular biology, medical imaging, robotics and motion planning, mesh generation, numerical methods.The Computational Geometry Algorithms Library ...

GTS Library

... set of useful functions to deal with 3D surfaces meshed with interconnected triangles.The code is written entirely ... simple and efficient library to scientists dealing with 3D computational surface ... 2D dynamic Delaunay and constrained Delaunay triangulations. ... using fast adaptive floating point arithmetic ...

gridtrimesh

... The function GRIDTRIMESH fits ... .The triangular mesh on which this function operates should be defined in the usual way ... and V. MATLAB functions that use similar representations include TRIMESH, TRISURF and ... contains two such matrices.A main advantage that this function has over the internal function GRIDDATA is that ...

INTERPTRI Interpolate Triangulation

... data in vectors X,Y,Z as described by the triangulation TRI as returned by DELAUNAY at the individual ... Yi are not MESHGRIDed as they are in GRIDDATA when Xi is ... INTERPTRI is faster than GRIDDATA when the same data is interpolated more than ... once because the triangulation TRI is precomputed and passed into INTERPTRI, whereas ...

Terrain Generator

... This program uses the Delaunay triangulation of ... set of triangles that will make for ... good terrain. Notice how there are more triangles on the bottom than at the top. This ... means it can offer more terrain detail close to the viewer and less further ... away once the terrain is lifted into 3d. This program requires CGAL ...

nearestneighbour

... set of points of interest from ... set of candidate points by Euclidean Distance. Points are considered to be columns of ... 2D matrix. The points of interest can be specified as indices into the candidate ... separate matrix of points.Points can be of any ...

CGAL

... The CGAL project is ... software library of geometric data structures and algorithms. The CGAL library contains ... Basic geometric primitives such as points, vectors, lines, predicates such as for relative positions ... of points, and operations such as intersections and distance calculation. ...

Consolidator

... uses. It was designed to solve an interpolation problem and ... Delaunay problem, but ... tool which counts the number of replicates of each point, or as simply an implementation ... tolerance on how close two values of ... character array.This same problem is seen both in interp1 and in griddata. ...

Inhull

... variety of ways. Inhull converts the problem into ... product. If not supplied, it also computes the convex hull too. Inhull also attempts to avoid memory ... comparison of inhull to tsearchn ... Elapsed time is 641.046321 seconds.inhull: Elapsed time is 0.610503 seconds. Demands ...