Determine the great-circle distance between two points on a sphere given their longitudes and latitudes

Calculate the convex hull for a set of latitudes and longitudes.

Work with distances, latitudes, and longitudes

Get distance between two latitudes and longitudes

Calculate distance between two longitude and latitudes

Find latitudes and longitudes for an array of addresses

Snowl is a fully customised npm package that include data such as country names, codes, latitudes, longitudes etc.

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.

Leaflet Plugin to measure distances of simple lines as well as of complex polylines

determine if a lon,lat point is inside a polygon using great circle calculations

search for k nearest neighbors on a sphere

Solar storm alerts, HF radio conditions, and aurora maps from NOAA's Space Weather Prediction Center. Includes a map webapp.

leaflet-blurred-location ====

A lightweight utility to create beautiful, stylized SVG maps with a bring-your-own-styles mentality. Heavily based on the [Dotted Map](https://github.com/NTag/dotted-map/tree/main) library, with more customization.

Pure TypeScript Hindu Panchang calculations. Tithi, Nakshatra, Yoga, Karana, Vara, and more. Offline-first, React Native compatible.

Globe weather-map webapp for SignalK — wind barbs and forecast layers rendered with MapLibre

Allows parsing of dms (degrees minutes seconds coordinates) to decimal degress and back. The library is based on the [formatcoords](https://github.com/nerik/formatcoords) and [parse-dms](https://github.com/gmaclennan/parse-dms) libraries and brings them b

Efficient, cross-platform access to ExifTool

Leaflet Plugin to measure distances of simple lines as well as of complex polylines

Leaflet Plugin to measure distances of simple lines as well as of complex polylines