US and canada state polygon - state outline
US and canada state polygon - state outline
Operations for two-dimensional polygons.
TypeScript definitions for d3-polygon
A point in polygon based on the paper Optimal Reliable Point-in-Polygon Test and Differential Coding Boolean Operations on Polygons
determine if a point is inside a polygon with a ray intersection counting algorithm
Checks if a point is inside an area, like a city boundary.
Converts a bounding box to a GeoJSON polygon.
Fill a polygon with lines
Calculates the distance from a point to the edges of a polygon or multi-polygon.
Takes a kinked polygon and returns a feature collection of polygons that have no kinks.
Martinez polygon clipping algorithm, does boolean operation on polygons (multipolygons, polygons with holes etc): intersection, union, difference, xor
Smooths a Polygon or MultiPolygon, based on Chaikin's algorithm.
Takes polygons or multipolygons and an optional mask, and returns an exterior ring polygon with holes.
Apply boolean Polygon clipping operations (intersection, union, difference, xor) to your Polygons & MultiPolygons.
ThreeJS geometry for drawing polygons on a sphere
Finds the tangents of a polygon from a point.
Finds points that fall within polygon(s).
A JS library for finding optimal label position inside a polygon
Converts line(s) to polygon(s).
Calculates the geodesic area in square meters of one or more polygons.
tsParticles polygon shape
Find self-intersections in geojson polygon (possibly with interior rings)
Converts a polygon to a line string.