Systra is an adjustment program for the geometrical integration of heterogeneous GIS data by interconnected transformation and homogenization.
The adjustment algorithm processes beside the coordinates to be transformed also geometrical constraints and geodetic measurements. The calculation kernel Systra which also gives the name to the program system is complemented with different modules with graphical user interface.
SystraShell - Project Administration
Systra - Adjustment Kernel
SysPlan - Graphical Analysis
SysMatch - Matching
SysGed - Graphical Editor