Rewind using Shoelace Formula.

Converts line(s) to polygon(s).

Converts a polygon to a line string.

Tesselates a polygon or multipolygon into a collection of triangle polygons using earcut.

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

Index for matching points against a set of GeoJSON polygons

Converts a bounding box to a GeoJSON polygon.

Takes a complex (i.e. self-intersecting) geojson polygon, and breaks it down into its composite simple, non-self-intersecting one-ring polygons.

Dissolves a FeatureCollection of Polygon features.

Takes a polygon and return true or false as to whether it is concave or not.

ThreeJS geometry for drawing polygons on a sphere

tsParticles polygon shape

Creates line segments from a GeoJSON feature.

Combines two or more polygons into a single polygon.

OSM tags indicate if a closed way should be treated as a polygon or linestring

Takes a point and calculates the circle polygon given a radius.

Checks if two geometries have an area of overlap without one being completely contained inside the other.

TypeScript definitions for polylabel

Receives a Coordinate, a Radius and a Number of edges and aproximates a circle by creating a polygon that fills its area

Takes any LineString or Polygon and returns the overlapping lines between both features.