Repository Index

A modular geospatial engine written in JavaScript and TypeScript

• javascript
• algorithm
• computational-geometry
• geojson

Tools for editing Shapefile, GeoJSON, TopoJSON and CSV files

• geojson
• topojson
• shapefile
• gis

🌎 Large-scale WebGL-powered Geospatial Data Visualization analysis engine.

• webgl
• gis
• data-visualization
• mapbox

Types and utilities for working with 2d geometry in Golang

• geo
• geospatial
• gis
• geojson

JavaScript helper functions for manipulating GeoJSON

Continuous area cartograms with d3 and TopoJSON

• cartogram
• javascript
• topojson
• topology

A geographic toolkit for dealing with geometry, geography, formats, and building geodatabases

• data-management
• arcgis
• geojson
• javascript

Morphing geojson polygons into rectangles

apply the ramer-douglas-peucker line simplification to geojson features or feature collections in JS or on the CLI

RTree2D is a 2D immutable R-tree for ultra-fast nearest and intersection queries in plane and spherical coordinates

• scala
• rtree
• 2d
• str

Correct GeoJSON geometries that cross the 180th meridian

• antimeridian
• geojson
• python
• geospatial

An open source Geoservices Implementation (deprecated)

• geoservices
• geojson
• arcgis
• gis

Command line tool to generate point labels from GeoJSON polygons

Deprecated

• sql
• in-memory-database
• geojson
• typesript

A turf.js-like geospatial analysis library working with GeoJSON, written in pure Dart.

• dart
• geojson
• geojson-parser
• turf

A command line utility to convert heavy GIS sources into elegant administrative & topographic topojson files, raster files, and web friendly svg maps.

Draw a polygon on the map or paste a geoJSON and explore how the s2.RegionCoverer covers it with S2 cells depending on the min and max levels

• s2
• geojson
• go

DE-9IM spatial predicate library implemented in Javascript.

• de-9im
• spatial
• predicates
• javascript

Command line tool to extract borders of GeoJSON Polygons into a non-overlapping set of LineString's

Quick tools for editing GeoJSON files

• geojson
• indoor-maps

generate a static rtree (using terraformer) from a set of geojson features

A command-line tool and Python module to assign a property from one set of GeoJSON features to another