Geographic calculator Geocal

• Converts coordinate data files between commonly-used mapping systems.
• Uses seven-parameter transformations.
• Has user-definable parameters allowing deployment anywhere in the world on almost any spheroid or mapping system.
• Includes a large number of predefined mapping systems and spheroids.
• Includes Geocentric Datum of Australia.
• Compares geodesy of the same point in two different mapping systems.
• Displays geographic, geocentric and projection coordinates of three dimensional points in any defined Mapping System.
• Displays point scale factor and grid convergence.

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