GeoJSON utilities

GeoJSON utilities that will make your life easier.
Sponsored by Placemark, a collaborative editor for maps with great support for GeoJSON
operations

• CoGran: Resample statistics from one set of GeoJSON polygons to another

• geo_assigner: Copy a property to all intersecting features

• geojson-coords: Extract coordinates from GeoJSON

• geojson-extent: compute the bounding box of geojson features

• geojson-flatten: flatten multi geometries into normal geometries

• geojson-multiply: merge normal geojson features into one multi geometry type feature

• geojson-js-utils: JavaScript helper functions for manipulating GeoJSON

• geojson-merge: Merge multiple GeoJSON files into one FeatureCollection.

• geojson-normalize: normalize any geojson object into a geojson featurecollection

• geojson-pick: remove all but specified properties from features in a geojson featurecollection

• geojson-random: generate random geojson points, lines, and polygons

• geojson-rewind: enforce ring winding order

• rfc7946-to-d3: Converts polygon winding order between rfc7946 and d3 compatible conventions.

• geojson-summary: get a plain-english summary of what’s in a geojson file

• point-grouper: group geojson points into containing polygons

• geojson-join: join geojson against json, dbf, and csv files

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

• turf: collection of functions for spatial operations and analysi

• turf_dart: a turf.js port for Dart and Flutter

• de9im: collection of fast functions for spatial javascript operations

• winnow: run sql queries against geojson with javascript

• geojson-id-streaming: Add a unique id to each Feature

• geojson-mesh: extract shared borders of Polygons in a GeoJSON

• geojson-polygon-labels: generate point labels from GeoJSON polygons

• geojsontools: Python tools for manipulating GeoJSON files

• geojson-indoor-tools: Python tools for editing indoor GeoJSON features: adding room heights, building walls and creating doors