GeoDLL - Geodetic Functions as DLL for your own geodetic programs
GeoDLL is available in a new version and can be downloaded from my
website now. For those of you who do not know GeoDLL yet, I have made
a short description here.
GeoDLL supports the development of geodetic software on various
platforms by providing geodetic functions. GeoDLL contains precise
functions of the themes 2D and 3D coordinate transformation, geodetic
datum shift and reference system convertion, meridian strip changing,
user defined coordinate and reference systems, distance calculation,
Digital Elevation Model, NTv2 handling, Direct / Inverse Solutions and
Detailed information about GeoDLL and the ability to download a free
trial version is available here: http://www.killetsoft.de/p_gdla_e.htm.
GeoDLL makes possible to perform professional grade coordinate
transformations in own programs:
1.The current and many historical coordinate and reference systems of
all countries of the European Union (EU) including the eastern
extensions from 2004 and 2007 and the systems of the European non-EU
2.The INSPIREŠ supported European ETRS89 systems.
3.The US and Canadian State Plane Coordinate Systems (SPCS) on NAD27
and NAD83 and other coordinate and reference systems of the North
4.The coordinate and reference systems of the Australasian continent.
5.Many coordinate and reference systems of the countries of other
6.World-wide NTv2 grid file supported coordinate transformations.
7.All world-wide coordinate and reference systems in current use.
8.The German coordinate and reference systems of the old and new
federal states, the 40 Prussian Soldner Land Registers, the German
'Lagestatus', and exact reference systems of the German federal
User coordinate systems, local reference systems and earth ellipsoids
can be defined, based on the coordinate system parameters, the semi
axes of the earth and seven Helmert or three Molodenski datum
GeoDLL comes with extensive documentation and is supplied as a DLL
file or as C++ or CA-Visual Objects source code. The functions of
GeoDLL are suitable for multithreading. The DLL is written in the C++
language. That gives very fast performance, compact code, and high
stability in use.
WINDOWS operating system allows building of function libraries
intended for use by applications, the so-called Dynamic Link
Libraries. The application uses functions stored in the DLL by making
a DLL call. The language used for developing applications that call
functions of the DLL is not important. It could be C, C++, C#, Delphi,
MS-Access, Visual Basic, Java, .NET, Visual Objects or other.
Therefore GeoDLL is delivered with examples and interface source code
for many commonly used programming languages.
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