2 ms·
The perfect sphere approximation of Earth is not at all close enough for GIS applications. Geoid data (the actual ellipsoid-ish shape with height variance) is a
by dharmab 3y ago
The perfect sphere approximation of Earth is not at all close enough for GIS applications. Geoid data (the actual ellipsoid-ish shape with height variance) is an important factor in accurate GIS software.