Geodetic functions library GeoDLL 32 Bit and 64 Bit



Hi developers,

who develops programs with geodetic functionality like world-wide coordinate transformations or distance calculations, can use geodetic functions of my GeoDLL. The Dynamic Link Library can easily be used with most of the modern programming languages like C, C++, C#, Basic, Delphi, Pascal, Java, Fortran, Visual-Objects and others to add geodetic functionality to own applications. For many programming languages ​appropriate Interfaces are available.

GeoDLL supports 2D and 3D coordinate transformation, geodetic datum shift and reference system convertion with Helmert, Molodenski and NTv2 (e.g. BeTA2007, AT_GIS_GRID, CHENYX06), meridian strip changing, user defined coordinate and reference systems, distance calculation, Digital Elevation Model, INSPIRE support, Direct / Inverse Solutions and a lot of other geodetic functions.

The DLL is very fast, save and compact because of forceful development in C++ with Microsoft Visual Studio 2010. The geodetic functions of the currentversion 12.35 are available in 32bit and 64bit architecture. All functionsare prepared for multithreading and server operating.

You find a free downloadable test version on
Notes about the NTv2 support can be found here:
Report on the quality of the coordinate transformations:


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