The geodetic inverse, program INVERSE, is the tool for computing the geodetic azimuth and distance between two points, given their latitudes and longitudes.
The three-dimensional versions of the geodetic inverse program INVERS3D includes the ellipsoid height component. Also included in the 3D programs are:
- Conversions between geodetic positions (latitude, longitude, and ellipsoid height) and rectangular coordinates (X,Y,Z in the Conventional Terrestrial Reference System).
- Conversions between the following four observation sets:
- DN,DE,DU (differential N, E, U using the FROM station as the origin of the NEU-coordinate system.)
- DX,DY,DZ (differential X, Y, Z used to express GPS vectors)
- delta height, forward azimuth, ellipsoidal distance
- delta height, forward azimuth, mark-to-mark distance
For additional information, contact: NOAA National Geodetic Survey, [email protected]
Visit: https://geodesy.noaa.gov/PC_PROD/Inv_Fwd/
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