Finds the angle formed by two adjacent segments.

Converts line(s) to polygon(s).

An astronomical library

A headless React component for image cropping

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

A React component that decorates it's children with mouse/touch position tracking, a status toggle fired by click/gesture events, and more.

Removes redundant coordinates from a GeoJSON Geometry.

Utility script that takes an easing function as input and outputs a coordinate set with adjustable precision/resolution.

A React hook that allows you to use a ResizeObserver to measure an element's size.

Libraries of geodesy functions

Astronomy calculation for Sun, Moon, and planets.

Auto scroll dom elements

Lightweight utility for input validation and data extraction in Turf.js. Ensures GeoJSON inputs are in the correct format and extracts specific components like coordinates or geometries.

support for MouseWheel in PC

Select a one- or two-dimensional region using the mouse or touch.

A React hook for tracking the position, hover, and down state of the mouse as it interacts with an element with interop between touch and mouse devices.

Point Labels Plugin for Chartist.js

A jQuery plugin that attempts to determine the user's intent on mouseover and thus delay or prevent the accidental firing of callbacks.

Node.js Desktop Automation.

It provides the custom-element implementation of Lynx Elements in Web.