JSPM

Loader for Mapbox Vector Tiles

Helpers for GIS category data

Computes the dot product between two numeric arrays.

Computes the cosine similarity between two arrays.

The W3C Geometry Interfaces implemented in JavaScript and polyfilled.

Exactly computes the orientation of a tuple of points

A minimal toolbelt for builing fast SVG-based applications

Convert ArcGIS JSON geometries to GeoJSON geometries and vica-versa.

Fast static spatial index for rectangles

A high-performance JavaScript 2D/3D polyline simplification library

The Swiss Army Knife of Vector Graphics Scripting

Robust 2D convex hull algorithm

Finds the affine hull of a point set

Shared @terraformer utility methods.

JavaScript implementation of geodesic routines in GeographicLib

Visualization Toolkit for the Web

Exact arithmetic test to check if point is contained in sphere

Very small binary search index implimentation.

A big integer rational number

Find the faces of a planar graph

Delaunay triangulations in any dimension

Estimates normals for meshes

Frictionless map drawing across mapping provider

Tools to convert WKT geometries to GeoJSON geometries and vica-versa.

Remove self intersections, t-junctions and duplicate edges/vertices from a planar straight line graph

Computes circumcenters of simplices

Converts points to barycentric coordinates

Constrained Delaunay Triangulation in 2D

Computes the closest point to a polytope in arbitrary dimensions

Exact rational vector arithmetic

Compares two angles with a common edge

Javascript library for 2d geometry

a simple ThreeJS vignette background

Terra Draw Adapter for Maplibre GL JS

This package contains a specific version of Draco 3D geometric compression library that is used for glTF Draco mesh compression extension.

A pure JavaScript/ES5.1 port of Google/Niantic's S2 Geometry library (used by Ingress, Pokemon GO)

Loader and Writer for the WKT (Well Known Text) Format

This library provides classes and functions for the computation of geometric data on the surface of the Earth. Code ported from the Google Maps Javascript API v3

Simplify geometry using the Ramer–Douglas–Peucker algorithm.

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

A modest library for moving between Well-Known Text (WKT) and various framework geometries

A fast, flexible, dynamic CSG implementation on top of three-mesh-bvh

Loader for the Shapefile Format

Geometry operations for X6

A JavaScript library with geometric functions.

The RAW rotation library using quaternions

Spatial predicates for GeoJSON.

Polygon and line clipping and offsetting library for Javascript / Typescript - a port of Angus Johnson's clipper to WebAssembly / Asm.JS

A performant binary encoding for geographic data

A WGS84 geography feature simplifier, based on simplify-js

Interactive geometry, plotting, visualization

https://github.com/AnalyticalGraphicsInc/3d-tiles/tree/master/specification

Extract elementary geometries from a geojson inheriting properties.

Tools to convert ArcGIS JSON geometries to GeoJSON geometries and vica-versa.

Create glow mesh with any ThreeJS geometry.

manipulate vectors in 2d

Optimized 2d/3d/4d and arbitrary length vector operations, support for memory mapping/layouts

3D BIM IFC Viewer SDK for AEC engineering applications. Open Source JavaScript Toolkit based on pure WebGL for top performance, real-world coordinates and full double precision

Converts degrees to radians.

Converts radians to degrees.

Schema definitions for GeoJSON types for use with Mongoose JS

Geometry library for topological robustness

Fork of the famous Sylvester vector, matrix and geometry library. Rewritten in ES6 and including the glUtils.js add-ons.

Euclidean geometry classes and tools for JavaScript

Computes the area of the intersection of two rectangles.

Minimum bounding rectangle implementation in JavaScript. Uses `concaveman` and `mathjs` as dependencies.

utility for working with polygons (arrays of vec2s)

Simplification of a 2D-polyline or a 3D-polyline.

return whether two boxes or points are colliding in 2d

Tools to help with TMS, Quadkey & Google (XYZ) Tiles

Visualization Toolkit for the Web

perform boolean operations on arbitrary polygons in 2d

The Swiss Army Knife of Vector Graphics Scripting

binary tree based bin packing algorithm

Javascript Geometry Library provides utility functions for the computation of geometric data on the surface of the Earth. Code ported from Google Maps Android API.

an easy way to set vertex data on a BufferGeometry

Path tracing renderer and utilities for three.js built on top of three-mesh-bvh.

perform operations on infinite lines in 2 dimensions

Polyfill for DOM Geometry Interfaces Module Level 1

subdivide an arc into line segments

Desmos is the dead-simple way to embed rich, interactive math into your web page or web app.

A 2D constrained Delaunay triangulation library

The Swiss Army Knife of Vector Graphics Scripting

Scale/rotate/move plugin for leaflet vector layers

Determine if a point is inside an SVG polygon.

Terra Draw Adapter for Mapbox GL JS

The Swiss Army Knife of Vector Graphics Scripting, packaged for headless use in Node.js

A JS/WebGL framework for 3D geospatial data visualization

Smooth subdivision surface modifier for use with three.js BufferGeometry.

Loader for FlatGeobuf

Small, typed, dependency free tool to round corners of 2d-polygon provided by an array of { x, y } points.

Check if line segments intersect

paper.js fork

Any dimensional Minkowski sums of convex polytopes

BIM viewer built on xeokit

IFC viewer

JavaScript tool for working with polygons. It uses several basic principles to be super simple and super universal.

Finds a basis for the affine complement of a set of points

a sphere mesh with normals, texture coordinates and indices

Liang-Barsky line clipping algorithm

3-dimensional point line distance

Affine transformation estimator e.g. for multi-touch gestures and calibration

Convert SVG shapes to SVG paths

Fast 2D convex hull (Graham Scan)

A quickhull implementation for 3d points

Check if two polygons overlap

Fits one rectangle into another

Check if point is inside polygon

2D / 3D closest point / proximity helpers

Open3d is a 3d geometry library for javascript.

2D/3D shape intersection checks

Finds intersection between two lines

Matrix & quaternion operations for 2D/3D geometry processing

A WKT/WKB/EWKT/EWKB/TWKB/GeoJSON parser and serializer

MCP Server for generating precise geometric images using Asymptote.

creates a 3D torus mesh

A high-performance JavaScript 2D convex hull library

3D BIM Geometry API

Functional, polymorphic API for 2D geometry types & SVG generation

Calculate the cosine distance between arrays

Customizable nD polyline interpolation, re-sampling, splitting & nearest point computation

Decompress Blosc compressed Zarr data in the browser

Library for dealing with SVG viewboxes as plain arrays

Multi-dimensional image IO

Multi-dimensional web-based image, mesh, and point set viewer

Web Component for multi-dimensional viewer

Utilities for sketching in Canvas, WebGL and generative art

2D line clipping (Liang-Barsky)

MCP Server for coordinate conversion and spatial calculations

TypeScript types and JSON Schema for polliwog, the Python 2D and 3D computational geometry library

2D polygon clipping / offsetting (Sutherland-Hodgeman, Grainer-Hormann)

Utils for io and itk-wasm packages

2D polygon/polyline analysis & processing utilities

A WKT/WKB/EWKT/EWKB/TWKB/GeoJSON parser and serializer

2D circular / elliptic arc operations

Rotate, pan, and zoom a camera using an arcball.

The Swiss Army Knife of Vector Graphics Scripting, packaged for Node.js with rendering to Node-Canvas

Slice GeoJSON data into vector tiles efficiently

2D/3D convex polygon tessellators

Javascript library for 2d geometry

Geometries for 3D rendering, including normals, UVs and cell indices (faces). Perfect if you want to supercharge your dependency folder... with 30KB of geometries.

A geospatial index for Convex

nD cubic & quadratic curve analysis, conversion, interpolation, splitting

Terra Draw Adapter to OpenLayers

An NPM module for ThreeJS's CSG (Constructive Solid Geometry) port

A Node.js module for converting database queries to GeoJSON and TopoJSON

Fast Delaunay Triangulation in JavaScript

Find PI(π) to the Nth Digit

Bookshelf plugin for parsing & serializing PostGIS columns

Convert geojson to tile

clip a polygon with another

Computes the square root of a sum of squares.

Web-based image, mesh, and point set viewer

Quickly and robustly determines which region contains a given query point

Polygon equidistant offset

toxiclibsjs is an open-source library for computational design tasks with JavaScript.

Box geometry for three.js with filleted edges

A Three.js-based parametric 3D modeling framework with expression evaluation and template processing

Positions a rectangle between inner and outer bounds

Simple 2D shape generators

Apply boolean Polygon clipping operations (intersection, union, difference, xor) to your Polygons & MultiPolygons.

A flexible wrapper for gl-vao and gl-buffer that you can use to set up renderable WebGL geometries from a variety of different formats.

JavaScript port of python jismesh package

Calculate distance between a point and a finite line segment

Very old version of hull.js with backported security fixes -- do not use in new projects

Two dimensional vector math library for JavaScript. Built for performance in computation-heavy real-time engines without sacrificing usability. Supports tree shaking and dead code removal to avoid bloating client-side bundles. Zero dependencies.

This is a simple library containing classes with immutable operations to use for 2d Geometry tasks.

Computes a boolean combination of two planar graphs

Computation library.

Utilities to split GeoJSON geometries

Wavefront OBJ parser (& exporter soon)

Geometry helpers

Minimal AxiDraw plotter/drawing machine controller for Node.js

Slice GeoJSON data into vector tiles efficiently

Find bounding box dimensions either within or surrounding arbitrary containers

Fast, incremental 2D Delaunay & Voronoi mesh implementation

Functional, extensible L-System architecture w/ support for probabilistic rules

node module for the three mtl loader

Easier-to-use Google Map & React integration

2D point object

A Model Context Protocol server for generating mathematical visualizations using JSXGraph. This is a TypeScript-based MCP server that provides interactive mathematical chart generation capabilities for functions, geometry, parametric curves, and more.

An object representing a 2D vector.

Computes the hypotenuse of a right triangle.

Computes the cross product between two numeric arrays.

Conversion and preparation of thi.ng/geom shapes & shape groups to/from AxiDraw pen plotter draw commands

2d line segment

Highly configurable, fuzzy line & polygon creation with presets and composable fill & stroke styles. Canvas & SVG support

Shared type & interface declarations for @thi.ng/geom packages

Intersection plugin for svg.js

2D Point to Line Segment distance function

Iteratively split edges to get a more uniform tessellation

Loader for NetCDF

A comprehensive, production-ready 3D mesh manipulation library for creating 3D editors, modelers, and CAD applications

Checks if an axis aligned bounding box intersects a camera frustum.

IGES 5.3 serializer for (currently only) polygonal geometry, both open & closed

2D Signed Distance Field creation from @thi.ng/geom shapes, conversions, sampling, combinators

Slice GeoJSON data into vector tiles efficiently

Powerful TypeScript/JavaScript library to simplify paths or surfaces between 2 and N dimensions efficiently.

A collection of mathematical utilities for TypeScript.

2D and 3D computational geometry library in TypeScript

2D Polygon math: boolean operations, triangulation, graphs, support for holes and non-convex shapes.

Extract geometries from geojson for given basic geometry type.

Slice GeoJSON data into vector tiles efficiently(maptalks fork)

A library used to construct a visibility polygon for a set of line segments

Encode, decode, length, merge polylines

A lightweight, standalone JavaScript library for parsing and processing VTK Unstructured Grid (.vtu) files in both browser and Node.js environments. Complete VTK-style API with zero dependencies for scientific visualization.

A library for creating and manipulating NURBS surfaces and curves in many languages

JavaScript library that builds concave hulls (shapes) by set of points

A fast algorithm for comparing sets of polylines (e.g. road networks).

Greedy mesh compiler

Create a Coons patch and access points and curves on its surface

A typescript implementation of the Halfedge structure for three.js geometries.

Boolean operations on polygons

Terra Draw Adapter for Leaflet.js

Draw geometrically accurate triangles in React Native

Native modules to determine if a location is within defined geographical boundaries using Google Geometry library

Terra Draw Adapter for Google Maps JavaScript API

Quadedge data structure after Guibas & Stolfi

A CAD library for the web

Minimal Ray geometric primitive

ECS框架2D数学库 - 提供向量、矩阵、几何形状和碰撞检测功能

Identifies geometry position format as flat array, array of arrays, typed array, or 1D ndarray.

This library allows obtaining the properties of a geometric circle from any of its measurements.

A wasm build and a simple wrapper of the FreeCAD PlaneGCS (2D geometric constraint solver)

An NPM module for ThreeJS's CSG (Constructive Solid Geometry) port ( es6 module version )

JavaScript/TypeScript 实用工具集合

Converts between common geometry position formats.

Geometry intersection and bounding volume helpers for PEX.

A collection of collision detection and response functions for 2D

Library for polygons operations

🌟 High-performance JavaScript/TypeScript QuadTree point cloud filtering and processing library. Published on npm as js-subpcd with PCL.js compatible API for spatial filtering, subsampling, and nearest neighbor search.

Web application for Visualizing Scientific and Medical datasets

Complete TypeScript type definitions for GeoJSON and extended GIS types

KDBush with flat API

A library for shape parameters and rendering in canvas.

The Utah Teapot

Interactive geometry, plotting, visualization

mongoose schema to support geojson fields

Point geometry with transforms

3D BIM IFC Viewer SDK for AEC engineering applications. Open Source JavaScript Toolkit based on pure WebGL for top performance, real-world coordinates and full double precision

Slice GeoJSON data into vector tiles efficiently

Transform geometry positions with a 4x4 transformation matrix.

Opinionated geo utilities for day to day development

A simple javascript plotting boilerplate for 2d stuff.

A TypeScript package for arranging, transforming, and distributing 3D objects in space

Split a bounding box into 4^n equal smaller bounding boxes

Polygon near-linear time triangulation (based on Seidel's algorithm) with ear clip for small cases. Handles degenerate cases of colinear edges and vertices touching edges.

Create a complex grid, warped in 2D space and access data about its lines and cells

2D, 3D geometry and graphics utility library for TypeScript projects.

Scale/rotate/move plugin for leaflet vector layers