About NTv2Creator
NTv2Creator geosoftware provides a powerful tool for modeling accurate NTv2 files from identical points in two different Reference Systems.
NTv2Creator geosoftware provides a powerful tool for modeling accurate NTv2 files from identical points in two different Reference Systems. The software analyzes two files with identical points and suggests the boundaries and mesh sizes which can then be changed manually. Finally, a highly accurate NTv2 file is generated using small-scale three-dimensional 7-parameter Helmert transform around each grid point and subsequent Natural Neighbour Interpolation for residual gap distribution. NTv2Creator provides three different mathematical models for the modelling of NTv2 files.
At the beginning of the processing, the coordinates of the identical points are tested for outliers and deviations using statistical methods. Then all grid points are calculated. To calculate a grid point, the program NTv2Creator collects all identical points from the point files of the source reference system and the target reference system, which lie in a certain radius around the grid point. With these points a small spatial three-dimensional 7 Parameter Helmert Transformation is performed. During the subsequent coordinate transformation of the grid point of the source reference system, the Helmert parameters determine the coordinate of the same grid point in the target reference system. To increase the accuracy the Natural Neighbour interpolation is used for the distribution of the residual gaps. The difference between the coordinates of the grid point in both reference systems is entered as a shift value in the NTv2 file. The calculated shift values include the compensation of regional and local tensions and they consider the different dimensions and bearings of the ellipsoids used in both reference systems.
Previous Versions
Here you can find the changelog of NTv2Creator since it was posted on our website on 2025-12-17 12:46:31.
The latest version is 7.06 and it was updated on 2026-06-18 04:36:59. See below the changes in each version.
NTv2Creator version 7.06
Updated At: 2026-04-05
Changes: See history file http://www.killetsoft.de/pdf/hist_ntc_e.pdf
Siehe Historiendatei http://www.killetsoft.de/pdf/hist_ntc_d.pdf
NTv2Creator version 6.14
Updated At: 2025-05-26
Changes: Gauss-Krger coordinates are directly supported. UTF8 and UTF16 encoded input files are supported. Display of the adjusted NTv2 area in Google Earth. Outliers can be excluded from the calculation. Increase of accuracy by Residual Gaps Distribution with Natural Neighbour Interpolation.
Disclaimer
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