Takes a FeatureCollection and returns a FeatureCollection with given number of features at random.

Dissolves a FeatureCollection of Polygon features.

Merges a specified property from a FeatureCollection of points into a FeatureCollection of polygons.

Flattens any GeoJSON to a FeatureCollection

turf featureCollection module

Takes a FeatureCollection of points and calculates the median center.

Takes a Feature or FeatureCollection and returns the mean center.

Combines a FeatureCollection of Point, LineString, or Polygon features into MultiPoint, MultiLineString, or MultiPolygon features.

Finds the nearest point from a FeatureCollection of Features with Point geometries to a given point.

Takes a Feature or FeatureCollection and returns a Point guaranteed to be on the surface of the feature.

Library to convert geohashes to multiple GeoJSON polygons or a single GeoJSON FeatureCollection

Clip one featurecollection by another.

Photon drop-in — a Photon-compatible autocomplete/type-ahead geocoding API (GeoJSON FeatureCollection over /api + /reverse) on the Mailwoman engine. Run it with `npx @mailwoman/photon serve`.

Color a GeoJSON FeatureCollection so that contiguous areas have different fills

A fast and efficient library for merging multiple polygons in a GeoJSON FeatureCollection

Utility to filter features inside GeoJSON FeatureCollection by conditions

normalize different geojson forms into featurecollections

Converts polylines, wkts, wkbs, polygons, circles, rectangles, as well as standard geoJSON into geoJSON MultiPolygon Feature Objects. Converts wkb_list and FeatureCollection to arrays.

Takes a grid of values (GeoJSON format) and a set of threshold ranges. It outputs polygons that group areas within those ranges, effectively creating filled contour isobands.

Creates a buffer around a GeoJSON feature.