No hidden charges. No surprise bills. Cancel anytime.
Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
Start Free
MongoDB Atlas runs apps anywhere
Deploy in 115+ regions with the modern database for every enterprise.
MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
GeographicLib is a small C++ library for: geodesic and rhumb line calculations; conversions between geographic, UTM, UPS, MGRS, geocentric, and local cartesian coordinates; gravity (e.g., EGM2008) and geomagnetic field (e.g., WMM2020) calculations.
A cartography program with parameter adjustments and gravity fonctions
...The input data is point data (not lines or areas) using csv files with object names (cities), variables (e.g. birth rate) and x and y coordinates. It is also possible to import maps in GeoJSON format. Possible output maps are: proportional circles, colour classes and interaction potential functions (Gravity models). Test data (10 countries and associated data) is provided with the program and located in the installation directory
A user manual is also provided.