Search Results for "gravity"

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.

...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.

topography oriented GIS for cadastre maintenance fully configurable and totally autonomous (can be transfered to USB key) .