Crystal bindings for https://ipapi.co (IP Address Location & Geolocation API)

Calculate the approximate area of the polygon were it projected onto the earth.

Crystal implementation of the Haversine formula to calculate distances between two points given their latitudes and longitudes

Geospatial primitives and algorithms for Crystal

Calculate the area inside of any GeoJSON geometry

Crystal implementation of "K-Dimensional Tree" and "N-Nearest Neighbors"

Calculates initial and final bearings between two points using great-circle distance formulas

Crystal library for reading and writing GeoJSON

Crystal implementation of finding the convex hull of a finite set of points in the plane

Dijkstra's algorithm using a priority queue in Crystal