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A Vue.js component for Dropzone.js - a drag’n’drop file uploads utility with image previews

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

A small module using a sweepline algorithm to detect intersections (& self-intersections) in polygons or polylines.

Additional SVG shape marker types for leaflet.js

A library for retrieving features from an ArcGIS FeatureServer or MapServer. This library makes tiled requests rather than simply requesting every feature.

A library for converting an arcgis-pbf into a geojson FeatureCollection.

A leaflet plugin which adds an icon to print the map - Demo @ http://rowanwins.github.io/leaflet-easyPrint/

Visibility graph implementation to support shortest path calculations such as dijkstra or a-star

A small (<10kb minified) javascript library for splitting polygons by a polyline.

A simple online editor for geojson

Transform mapbox:// urls in MapboxGL Styles for use in MapLibreGL.

A little library for mapbox-gl that provides a tiled approach to consuming flatgeobuf files.

A module to check if a polygon self-intersects

A simple UI for generating custom browserify builds of Turf.js

WIP

An implementation of Welzl's algorithm for calculating the smallest enclosing circle of a set of points

Take tiles from an mbtiles file locally (eg vector tiles) and extracts them to ZXY structure in an S3 bucket or locally.

Line clipping based on the algorithm by Kodituwakka, Wijeweera & Chamikara

WIP progress for buffering (aka offset) geojson

Extends L.geoJSON to support the simplestyle spec with 1kb

A plugin for Esri Leaflet that enables consuming Stream Services published by ArcGIS for Server.

A fairly minimal file picker & drop area which aims to stay out of the way of your application.

A module to check if a polygon self-intersects using the bentley-ottmann algorithm

WIP

A node.js server to publish super-cluster services from databases or shapefiles

This simple tool for checking for the presence of, and extracting PO Box details from an address string.

A module for creating simple polygons out of self-intersecting polygons

Convert geojson to a grid/raster

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

No description.

Store geotiffs as protocol buffers

A UI wrapper for tippecanoe using electron

Equivalent of the startOf method in moment.js

A bunch of links related to computational geometry and javascript

A small module to generate a point in a polygon in O(n) time.

A small (<10kb minified) javascript library for splitting geojson polylines by other polylines.

A convex hull implementation based on the paper by Wijeweera & Pinidiyaarachchi

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proj4-on-demand is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations. This library is based on proj but aims to be more light-weight while incoporating extra functionality.

A plugin for leafletjs to create a pinnacle style marker.

A basic triangulation implementation based on work by Wijeweera & Kodituwakku

Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

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MapLibre GL JS - Interactive vector tile maps in WebGL2

⭐ Ant Design SVG Icons

MapLibre GL JS documentation website

Display GeoTIFFs and soon other types of raster on your Leaflet Map

A Vue-based STAC browser for static catalogs and APIs

Visualize a STAC Item or Collection on a Leaflet Map

Wrapper around Georeferenced Rasters like GeoTIFF and soon JPG and PNG that provides a standard interface

A Vite-native test framework. It's fast!

No description.

Implements a basic authentication flow for signing up/signing in users as well as protected client side routing using AWS Amplify.

A minimal STAC library that contains a list of STAC fields with some metadata (title, unit, prefix) and helper functions..

Open Data Cube analyses continental scale Earth Observation data through time

geotiff.js is a small library to parse TIFF files for visualization or analysis. It is written in pure JavaScript, and is usable in both the browser and node.js applications.

:leaves: JavaScript library for mobile-friendly interactive maps

Rasterio plugin to read mercator tiles from Cloud Optimized GeoTIFF dataset.

Simple methods for watching events from chartjs