Check if point is inside polygon
A point in polygon based on the paper Optimal Reliable Point-in-Polygon Test and Differential Coding Boolean Operations on Polygons
Checks if a point is inside an area, like a city boundary.
determine if a point is inside a polygon with a ray intersection counting algorithm
Calculates the distance from a point to the edges of a polygon or multi-polygon.
Fill a polygon with lines
Operations for two-dimensional polygons.
A JS library for finding optimal label position inside a polygon
TypeScript definitions for point-in-polygon
Finds the tangents of a polygon from a point.
Takes a Feature or FeatureCollection and returns a Point guaranteed to be on the surface of the feature.
Takes a triangular plane as a polygon and a point within that triangle, and returns the z-value at that point.
Find self-intersections in geojson polygon (possibly with interior rings)
Finds points that fall within polygon(s).
Creates a grid of points within a bounding box.
Takes a point and calculates the circle polygon given a radius.
TypeScript definitions for d3-polygon
Returns the shortest path from start to end without colliding with any Feature in obstacles.
A JS library for finding optimal label position inside a polygon
Creates a circular sector of a circle.
Takes a Point and calculates the ellipse polygon given two semi-axes expressed in variable units and steps for precision.
Creates a triangular grid within a bounding box.
Merges a specified property from a FeatureCollection of points into a FeatureCollection of polygons.
Creates a square grid within a bounding box.
Validate points inside polygons
Check if points are inside or outside the region polygons in an imported KML file.
Determine if a point is inside a polygon with a Sweep Line method
Lets you import a KML file and then check if points are inside or outside region polygons defined by the file.
Check if points are inside or outside the region polygons in an imported KML file.