Killet GeoSoftware Ing.-GbR - short: KilletSoft - is a software company, which was established in the year 1991.
The society is divided into the ranges "Geodetic Standard Software", "Development Tools for Geoinformatics" and "International Geodata".
The focal trades of the companies supplied by KilletSoft are consulting engineers, GIS developers, Internet marketing, public utilities, logistics, telecommunications, security and public services.
GeoDLL - Geodetic Development Kit
Function group "Coordinate Transformations"
GeoDLL - Function Groups
At present 2 to 7 cm per year
GeoDLL - Accurate Coordinate Transformations
GeoDLL supports the development of geodetic software by providing geodetic functions, which are put together into function groups for specific tasks.
To use accurate coordinate transformations in own developments a license for the function group "Coordinate Transformations" can be purchased.
GeoDLL performs Coordinate Transformations fast and with high accuracy.
For this purpose the DLL supports thousands of worldwide Coordinate Systems, geodetic Reference Systems, Reference System Transitions (geodetic datum shifts) and Meridian Strip Transitions.
Additional the software supports User-defined Systems, 2D/3D transformations, Extra Parameters like Meridian Convergence and Origin Center Meridian, INSPIRE, NTv2, HARN, EPSG, GPS, Continental Drift and much more.
Characteristics of the group "Coordinate Transformations"
- Coordinate Transformation
- Reference System Transition
- Meridian Strip Transition
- 2D and 3D Coordinate Transformation
- Helmert and Molodensky Reference System Transition
- NTv2 and HARN grid file support
- Forward and backward transformations
- Numeric and alphanumeric coordinates
- Geographic and Cartesian coordinates
- Many projections (also rarely used ones)
- Thousands of predefined systems
- Use of EPSG codes
- Use of Measurement Units
- Calculation of Meridian Convergence, Origin Center Meridian, Geographical Point
Functions of the group "Coordinate Transformations"
- Function coordtrans() - 2D Coordinate Transf. / Datum shift, num. / alphanum. (char**)
- Function coordtrans2() - 2D Coordinate Transf. / Datum shift, num. / alphanum. (char*)
- Function coordtrans3() - 2D Coordinate Transformation / Datum shift, num., with notation
- Function coordtrans4() - 2D Coordinate Transformation / Datum shift, num, without notation
- Function coordtransex() - 2D Coordinate Transf. / Datum shift, reduced eastings
- Function coordtrans3d() - 3D Coordinate Transf. / Datum shift, num. / alphanum. (char**)
- Function coordtrans3d2() - 3D Coordinate Transf. / Datum shift, num. / alphanum. (char*)
- Function coordtrans3d3() - 3D Coordinate Transformation / Datum shift, only numeric
- Function coordtrans3d4() - 3D Coordinate Transformation / Datum shift, only numeric, no notations
- Function coordtrans3dex() - 3D Coordinate transform. / Datum shift, reduced eastings
- Function coordtransepsg() - EPSG code Coordinate Transformation / Datum shift
- Function meritrans() - Meridian strip change with GK und UTM coordinates
- Function setcoordarea() - Coordinate System range check on / off
- Function setcalcextra() - Calculation of extra parameters on / off
- Function coordcalcextra() - Calculation of extra parameters during coordinate transformations
- Function coordcalcextraind() - Calculation of extra parameters independend of coordinate transformations
Detailed descriptions of all geodetic functions of this function group you find here in the online manual!
In order that you are always well informed about our company, we write actual news, current information and special offers here into this column.
GeoDLL 32Bit + 64Bit
New sales concept for the Geodetic Development Kit GeoDLL.
Both releases 32Bit and 64Bit together now have the same price as before only one of the two releases.
Read the Press Release...
"Geodata Germany" has been updated on the data conditions of January 1st, 2021.
The database contains Towns and Municipalities, Town Districts, Coordinates, Postal Codes, Dialling Codes, Wind and Snow loads, Solar irradiation etc.
We provide professionals in geodesy and surveying with an economical standard software that allows them to generate accurate NTv2 solutions on their own.
Read the Press Release...
Plus Code / Open Location Code
Display Formats of Coordinates in Plus Code / Open Location Code (OLC).
Read the Worksheet...
is member of
CRS in Germany
Traditional and modern Coordinate Reference Systems (CRS) as example of Germany.
Read the Worksheet...
The programs TRANSDAT, SEVENPAR, NTv2Creator, NTv2Poly and NTv2Tools support language files for the programs interface.
Since the language dependent texts are managed in external files, new languages
can be added at any time by creating new language files.
Everybody who is interested can translate a new language file into his native language for himself and all users.
Author: Dipl.-Ing. Fred Killet
Page name: p_gdlfkt_e.htm
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Period: since Januar 1, 2021