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# Top 213 geometry open source projects

Polyhedra Viewer
Explore the relationships between convex regular-faced polyhedra.
Mathnet Spatial
Math.NET Spatial
Cs231a Notes
The course notes for Stanford's CS231A course on computer vision
Geokit
Geo-Toolkit for PHP.
Scikit Geometry
Scientific Python Geometric Algorithms Library
Cgal
The public CGAL repository, see the README below
Ifc.js
Ifc viewer for client applications.
Trimesh2
C++ library and set of utilities for input, output, and basic manipulation of 3D triangle meshes
Glslviewer
Unity.library.eppz.geometry
2D Geometry for Unity. Suited for everyday polygon hassle. Polygon clipping, polygon winding direction, polygon area, polygon centroid, centroid of multiple polygons, line intersection, point-line distance, segment intersection, polygon-point containment, polygon triangulation, polygon Voronoi diagram, polygon offset, polygon outline, polygon buffer, polygon union, polygon substraction, polygon boolean operations, and more. It is a polygon fest.
Rrt Algorithms
n-dimensional RRT, RRT* (RRT-Star)
Cheap Ruler Go
📏 cheapruler in Go: fast geodesic measurements
Matgeom
Matlab geometry toolbox for 2D/3D geometric computing
Hole fixer
Demo implementation of smoothly filling holes in 3D meshes using surface fairing
Threejs Sandbox
Set of experiments and extensions to THREE.js.
Elm Geometry
2D/3D geometry package for Elm
Doctrine Postgis
Spatial and Geographic Data with PostGIS and Doctrine.
Gismo
G+Smo (pronounced gismo or gizmo) is a C++ library for isogeometric analysis (IGA). Geometry plus simulation modules aims at the seamless integration of Computer-aided Design (CAD) and Finite Element Analysis (FEA).
Xbimgeometry
XbimGeometry contains the CLR interop libraries and the c++ engine used to compute the 3D geometry of models.
✭ 152
3dgeometry
Umbrella
"A collection of functional programming libraries that can be composed together. Unlike a framework, thi.ng is a suite of instruments and you (the user) must be the composer of. Geared towards versatility, not any specific type of music." — @loganpowell via Twitter
Compas
Core packages of the COMPAS framework.
Ecsharp
Home of LoycCore, the LES language of Loyc trees, the Enhanced C# parser, the LeMP macro preprocessor, and the LLLPG parser generator.
Building Blocks
A voxel library for real-time applications.
Cityengine Sdk
CityEngine is a 3D city modeling software for urban design, visual effects, and VR/AR production. With its C++ SDK you can create plugins and standalone apps capable to execute CityEngine CGA procedural modeling rules.
Polyhedronisme
A tool to construct and explore polyhedra.
Cavaliercontours
2D polyline library for offsetting, combining, etc.
Geocoq
A formalization of geometry in Coq based on Tarski's axiom system
✭ 128
geometrycoq
Tigl
The TiGL Geometry Library to process aircraft geometries in pre-design.
✭ 123
geometry
Svg.skia
An SVG rendering library.
Aardvark.base
Aardvark is an open-source platform for visual computing, real-time graphics and visualization. This repository is the basis for most platform libraries and provides basic functionality such as data-structures, math and much more.
Wagyu
A general library for geometry operations of union, intersections, difference, and xor
Lazysets.jl
A Julia package for calculus with convex sets
Polylidar
Polylidar3D - Fast polygon extraction from 3D Data
Root
The official repository for ROOT: analyzing, storing and visualizing big data, scientifically
Hgeometry
HGeometry
S2geometry
Computational geometry and spatial indexing on the sphere
✭ 1,339
geometry
Wave geometry
Manifold geometry with fast automatic derivatives and coordinate frame semantics checking
Genartlib
Utilities for creating generative artwork with Clojure
Trimesh
Plexus
Polygonal mesh processing.
Graphical Debugging
GraphicalDebugging extension for Visual Studio
Touchdesigner Sop To Svg
A pipeline for handling the SOP to SVG pipeline. This is especially handy for using procedurally generated geometry for paths to be cut or plotted.
Complete street rule
The Complete Street Rule for ArcGIS CityEngine is a scenario oriented design tool intended to enable users to quickly create procedurally generated multimodal streets.
Volume approximation
Practical volume computation and sampling in high dimensions
A QuadTree Example for JavaScript (with p5.js)
Geo
S2 geometry library in Go
✭ 1,187
gogeometry
Directional
A library for Directional Field Synthesis, Design, and Processing.
Maker.js
📐⚙ 2D vector line drawing and shape modeling for CNC and laser cutters.
Leaflet.path.drag
Drag functionality for Leaflet vector layers
Vos backend
vangav open source - backend; a backend generator (generates more than 90% of the code needed for big scale backend services)
Math Toolbox
Lightweight and modular math toolbox
Polyclip Go
Go library for Boolean operations on 2D polygons.
Geotools
Geo-related tools PHP 5.4+ library built atop Geocoder and React libraries
Sisl
Scientific Python toolbox for large scale tight-binding and electronic structure calculations (DFT and NEGF analysis)
Pymesh
Geometry Processing Library for Python
Korma
Mathematics library focused on geometry for Multiplatform Kotlin 1.3
Indonesia Postal And Area
Indonesia Postal Code & Area (BPS)
Phidl
Python GDS layout and CAD geometry creation
Sopgi
A small VEX raytracer for SideFX Houdini with photon mapping global illumination and full recursive reflections and refractions
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