SEVENPAR is a tool for the calculation of highly exact transformation parameters for the Spatial Helmert and Molodensky Transformation, which make possible precise coordinate transformations from one reference system into another. The determined transformation parameters can be entered directly into suitable transformation software, e.g. TRANSDAT Coordinate Transformations, or into the calculation software of GPS receivers to do exact coordinate transformations.

The seven or three transformation parameters are computed with a set of individual identical points. Those are points with known coordinates in both reference systems (geodetic datum). Cartesian coordinates, geographical coordinates or UTM coordinates with or wihtout ellipsoidal height using the ellipsoid dimensions are suitable. Identical measuring points of higher order can be usually inquired or referred by the official institutions for measurement. The necessary ellipsoid half-axes and flattenings are available in the program for the selection from lists.

The latest important changes

Stores user data in separate directory.
Output of window contents in GIF/BMP files.
New language interfacees French, Portuguese and Spanish.
UTM coordinates can be used as identical points.
Calculation of 3 Molodensky parameter added.
Fast geodetic functions from C++ GeoDLL.

Home:

http://www.killetsoft.de/p_svpa_e.htm

Huge Mirror for V.I.P Members