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Maker.js, a Microsoft Garage project, is a JavaScript library for creating and sharing modular line drawings for CNC and laser cutters.

maker cad draw cnc vector svg pdf dxf drawing fonts geometry bezier openjscad rectangle circle line arc laser 2d 3d openscad point points path model triangle outline quadratic cubic curve ellipse polygon square star dome bolt holes oval belt ring slot kerf shape font trigonometry boolean chain distort dogbone fillet intsersect intsersection measure mirror rotate scale stl plasma cutter water-jetA small jQuery plugin that helps you divide an element into four triangles and test co-ordinates on them.

jquery-plugin direction whichtriangle hover triangleReturn whether an array of 3 points describe a triangle.Return whether the array of pts is a triangle, in any dimension.

triangle geometry mathCompute the intersection of the triangle tri and a ray described by a point pt and a direction dir.tri should be an array of [x,y,z] coordinate arrays.

3d ray intersect intersection triangle collision collideMeshPy offers quality triangular and tetrahedral mesh generation for Python. Meshes of this type are chiefly used in finite-element simulation codes, but also have many other applications ranging from computer graphics to robotics. In order to generate 2D and 3D meshes, MeshPy provides Python interfaces to three well-regarded mesh generators, Triangle by J. Shewchuk, TetGen by Hang Si The former two are included in the package in slightly modified versions. A generic mesh reader for the latter is included, as is an easy way to run gmsh from a Python script.

mesh-generation scientific-computing triangle tetgen wrapper gmshThis CommonJS module implements basic topological operations and indexing for abstract simplicial complexes (ie graphs, triangular and tetrahedral meshes, etc.) in JavaScript. You probably already know of many examples of simplicial complexes. Triangular meshes (as commonly used in computer graphics) are just 2d simplicial complexes; as are Delaunay triangulations. A more restricted example of a simplicial complex is the notion of a hypergraph, which is basically what you get when you forget the ordering of each cell.

mesh cell complex simplex simplicial topology vertex triangle star edge graph winged half... is an ever expanding collection of algorithms for processing triangulated meshes in Javascript. Which will create an object called trimesh in the global namespace that contains the API.

mesh surface triangle 3dA robust 2D constrained Delaunay triangulation library written in JavaScript.

constrained delaunay triangulation polygon planar graph vertex geometry cdt 2d triangle edge point robust exact constraint hole loopIf you want to try it out for yourself without installing node.js, here is an interactive WebGL demo. If there is an error parsing the input, an exception is thrown.

conway hart polyhedra polytope subdivision icosahedron dodecahedron cube tetrahedron polyhedron mesh triangle surface 3d webglProgressive triangle streams are an implementation of Hugues Hoppe's progressive meshes with minor modifications favoring fast decoding over visual fidelity. The format is flexible and different codecs can choose different strategies for splitting vertices. This module documents progressive triangle streams and implements reference codecs for the binary and JSON formats. The intention of this file format is to provide a basic container format for experimenting with different strategies for performing edge collapses on meshes, and to provide a common language for processing progressive mesh data. Like the PLY file format, 3P files can specify arbitrary vertex and face data. 3P is also a lossless encoding, so attributes like vertex positions are not truncated in intermediate representations. 3P can be combined with standard HTTP compression schemes like gzip for further size reductions.

progressive triangle stream geometry graphics meshDraws a big triangle that covers the entire viewport. Useful for GPGPU or when applying fullscreen postprocessing effects. If you're wondering why a big triangle and not a big square made from two smaller triangles, there are potentially significant performance advantages in taking the former approach.

triangle webgl drawComputes the circumcenter of a simplex. That is, it is the center of an n-sphere passing through n+1 points.

simplex circumcenter triangle geometry mathTriangle rasterization routines accelerated by SSE and AVX

avx simd sse triangle rasterization cpp tutorial demo
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