JSPM

Operations for two-dimensional polygons.

turf boolean-point-in-polygon module

turf bbox module

turf area module

turf unkink-polygon module

turf rewind module

turf circle module

determine if a point is inside a polygon with a ray intersection counting algorithm

turf points-within-polygon module

turf buffer module

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

turf mask module

turf tesselate module

turf envelope module

a JavaScript library for performing geospatial operations with GeoJSON

turf polygon-to-line module

turf point-on-feature module

turf tag module

turf polygon tangents module

turf line-to-polygon module

turf dissolve module

Fill a polygon with lines

turf polygon smooth module

A point in polygon based on the paper Optimal Reliable Point-in-Polygon Test and Differential Coding Boolean Operations on Polygons

Boolean operations on polygons (union, intersection, difference, xor)

A very simple script to compute all self-intersections in a GeoJSON polygon.

A JS library for finding optimal label position inside a polygon

turf boolean-concave module

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

A fast polyline and polygon clipping library.

Polygon/polyline processing utilities

turf point-to-polygon-distance module

A Leaflet Plugin For Editing Geometry Layers in Leaflet 1.0

HTML5 inspired canvas that can be rendered to PNG with no native dependencies.

Exactly test if a point is inside, outside or on the boundary of a polygon

A library of intersection algorithms covering all SVG shape types

Martinez polygon clipping algorithm, does boolean operation on polygons (multipolygons, polygons with holes etc): intersection, union, difference, xor

Splits a convex polygon by a plane

Triangulates a complex polygon

Index for matching points against a set of GeoJSON polygons

Computes the closest point to a polytope in arbitrary dimensions

Industrial strength point in polygon test

Convert a planar graph to a collection of nest polylines

Constrained Delaunay Triangulation in 2D

Simplifies a planar graph

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

The Maps component is used to visualize the geographical data and represent the statistical data of a particular geographical area on earth with user interactivity, and provides various customizing options

A library of intersection algorithms covering all SVG shape types

Javascript library for 2d geometry

Fast point-in-polygon intersection for large numbers of polygons.

Polygon tesselation library, ported from SGI's GLU implementation.

Drag functionality for Leaflet vector layers

Apply Ramer-Douglas-Peucker line simplification to GeoJSON features or feature collections in JS or on the CLI

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

Takes a complex (i.e. self-intersecting) GeoJSON polygon, and breaks it down into its composite simple, non-self-intersecting one-ring polygons.

turf polygon module

Polygon offsetting algorithm, aimed for use with leaflet

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

Convex decomposition for 2D polygons

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

Receives a Coordinate, a Radius and a Number of edges and aproximates a circle by creating a polygon that fills its area

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

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

Extract elementary geometries from a geojson inheriting properties.

Fast geometry in geometry lookup for large GeoJSONs

turf extent module

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

Photo Sphere Viewer plugin to display various markers/hotspots on the viewer.

Reference Implementation of the Dufour-Peyton Intersection Algorithm. Calculates the Intersections of Arbitrary Polygons with a Geospatial Raster.

Zoopla inspired freehand polygon creation using Leaflet.js.

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

Convex decomposition for 2D polygons

OSM tags indicate if a closed way should be treated as a polygon or linestring

Dissolve contiguous GeoJSON LineStrings and Polygons into single units.

Coordinate, linear, and area measure tool for Leaflet maps

Infinity Wallet connection SDK for DApp web3 connect integration

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

Any dimensional Minkowski sums of convex polytopes

Split a polygon using a polyline.

Schema definitions for GeoJSON types for use with Mongoose JS

Allow to drag Leaflet path

Everstake Wallet SDK for Javascript

Return the centroid for a given convex polygon.

Javascript implementation of GEOS's Polygonize function

Baidu Map map-polygon Components for React.

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

utility for working with polygons (arrays of vec2s)

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

This library may not be fast, but it is robust. Robust in the fact that it will find all of the self-intersections in a polygon - minus of course shared endpoints.

compute the area of a 2d polygon

Polygon tools

perform boolean operations on arbitrary polygons in 2d

point in polygon searches for leaflet

A 2D constrained Delaunay triangulation library

Calculate the area of a simple polygon

Reverse geocoding to determine the location where it is contained (continent, country, region and state) from the latitude and longitude specified. This module also has tools to get lists of continents, country groupings, countries, regions and states in

Mappls Maps official hybrid map SDK for angular & reactJS NPM

Determine if an x y coordinate exists in a polygon.

Greiner-Hormann clipping algorithm

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

Small, no dependency library for offsetting polygons. Heavily based on this [CodePen](https://codepen.io/HansMuller/pen/lDfzt) by Hans Muller.

Polygon convex partitioning and triangulation.

For given polygon finds if any of segments intersect with each other

Boolean operations on polygons (union, intersection, difference, xor)

Compute distance from a point to an arbitrary shaped polygon, line, or point

WebAssembly port of the Clipper2 library for polygon clipping and offsetting

chaikin's smoothing algorithm for 2D lines

A pure javascript implementation of the QuickHull algorithm for finding the smallest polygon enclosing a set of points

Ignite UI React Maps components.

Library to convert geohashes to multiple GeoJSON polygons or a single GeoJSON FeatureCollection

API to interact with Helio Finances program on EVM chains.

2D / 3D closest point / proximity helpers

Check if point is inside polygon

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

Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams

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

Drag feature functionality for Leaflet.draw

a lightweight yet faster osm (either in xml or in json formats) to geojson convertor - 4x faster than xmldom + osmtogeojson in most situations - implemented in pure JavaScript without any 3rd party dependency

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

Maps postal codes to polygons

Draw lines and polygons with canvas. Save and load path to canvas.

Turns SVG shapes (polygon, polyline, rect, g) into SVG paths. It can merge groups and apply transforms.

2D polygon/polyline analysis & processing utilities

CAD for canvas

Detect if a polygon has self intersecting lines

Yandex.MapKit and Yandex.Geocoder for react-native

Create N number of random points inside of a polygon

2D/3D convex polygon tessellators

Javascript library for 2d geometry

Check if two polygons overlap

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

Refactored Leaflet plugin for drawing freehand polygons, with support for mobile

Turns any GeoJSON shape into a list of geohashes

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

高德地图 Polygon 编辑器。

Converts path commands for an SVG path to polygonal points.

Ultralight JS for Ethereum

构造多边形对象，通过 PolygonOptions 指定多边形样式。

Smoothing algorithm for 2D lines and polygons

US and canada state polygon - state outline

This script finds all points where the polygons intersect each other.

Typescript package used to batch smart contract read calls into a single tx through the use of a multicall contract.

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

clip a polygon with another

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

Interpolate circle to polygon for GeoJSON

高德地图 Polygon 编辑器。

Package for encoding / decoding images, transforming images, applying filters, drawing primitives on images on the client side (no need for server Node.js)

A port of Clipper2(C#) to js/ts.

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

高德地图 MouseTool 绘制工具。

triangulates a series of 2D contours

Return random position inside geoJson Polygon or MultiPolygon

Helper functions to convert BBoxes to multiple formats

Polygon equidistant offset

CLI to create decentralized applications (dapps) using [Scaffold Alchemy](https://github.com/alchemyplatform/scaffold-alchemy).

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

Extracts the boundary of a binary 2D image

Wavefront OBJ parser (& exporter soon)

Fast 2D contour line extraction / generation

Coordinate, linear, and area measure tool for Leaflet maps

sample the signed distance field of a polygon in 2d space

Sveaflet = Svelte + Leaflet

Clipping and geometric operations for spherical polygons.

Coordinate, linear, and area measure tool for Leaflet maps. Forked from LJA Engineering, Inc - GIS

Zoopla inspired freehand polygon creation using Leaflet.js.

Utilities to split GeoJSON geometries

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

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

test if 2D convex polygon is clockwise

chaikin's smoothing algorithm for any dimension lines

A simple javascript plotting boilerplate for 2d stuff.

a few point and polygon utils

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

turf bbox module

一个用于图片标注的javascript库，基于canvas，简单轻量，支持矩形、多边形、点、折线、圆形、网格。

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

Ignite UI Angular map components.

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.

一个用于图片标注的javascript库，基于canvas，简单轻量，支持矩形、多边形、点、折线、圆形。

A module to check if a polygon self-intersects

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

triangulates a fontpath using poly2tri

Leaflet plugin to create polygon with circle, for touchscreen

Coordinate, linear, and area measure tool for Leaflet maps

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

The SVG Path Interpolator produces point data representing interpolated values within an SVG path.

Yandex MapKit for React Native

The NFT Trader Official Javascript SDK

Turns lineTo, moveTo, quadratic & bezier curves into discrete Vector2 points

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

Computes a boolean combination of two planar graphs

Crypto wallet generator CLI tool

Plugin that selects feature(s) by drawing an area on the map

Zoopla inspired freehand polygon creation using Leaflet.js.

A common interface for access to wallets (EVM and non-EVM) in the Rarimo SDK, used by packages that provide access to wallets on specific chains such as @rarimo/providers-evm, @rarimo/providers-solana, and @rarimo/providers-near.

Leaflet plugin for drawing bezier splines from polylines and polygons

mongoose schema to support geojson fields

Core library for PageDAO Hub with blockchain connections and price calculations

Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams

The token list on Polygon

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

A Multichain crypto wallet library that supports Ethereum, Bitcoin, Solana, Waves and other EVM compatible blockchains E.g. Binance Smart Chain, Polygon, Avalanche etc.

Headless 2D shape drawing, filling & rasterization for arbitrary targets/purposes (no canvas required)

n-dimensional boids simulation with modular behavior system

javascript library that allows drawing a polygon shape over a Google Map and get it's coordinates

The idexo sdk

Features of the Rarimo SDK that create cross-chain transactions based on the Rarimo protocol.

Compute visibility polygons by Triangular Expansion

Command line Utillity for Ethereum stakers

A Graphic Drawing Tool Based on Fabric.js

ERC library for blockchain development

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

Convert a polygon into a planar straight line graph

Ignite UI Web Components map components.

Converts polylines, wkts, wkbs, polygons, circles, rectangles, as well as standard geoJSON into geoJSON MultiPolygon Feature Objects. Converts wkb_list and FeatureCollection to arrays.

🧊 HODL Wallet - Fast CLI crypto wallet!

A set of classes to work with evm-compatible blockchain observers

Convert a planar straight line graph into a polygon

Tools to connect to wallets in React applications through the Rarimo SDK.

A 2D collision checker for modern JavaScript games.

## 简介 `canvas-mark-board` 基于原生canvas封装的图像标注工具，在 vue / react / 原生js 应用中都可以实现标注功能。提供了一系列事件和方法，用于管理标注对象、绘制标注形状、导入标注数据等操作。

Boolean operations on polygons

Zoopla inspired freehand polygon creation using Leaflet.js.

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

Exact polygon boolean operations

Make svg polygon & star shape

Coordinate, linear, and area measure tool for Leaflet maps

An extension to Leaflet.draw to allow editing large polylines one chunk at the time

This is the core package enabling HTML Polygons for React.

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

Features of the Rarimo SDK that provide access to wallets and the ability to interact with them on the Solana blockchain.

Yandex.MapKit and Yandex.Geocoder for react-native

soundsright chain sdk

Features of the Rarimo SDK that provide access to wallets and the ability to interact with them on EVM-compatible blockchains.

An algorithm to decompose polygons with holes from "A practical algorithm for decomposing polygonal domains into convex polygons by diagonals" by J Fernández

React components that you can use in your UI to create cross-chain transactions with the Rarimo protocol.

Interactive drawing of polygons on the map.

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.