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Conversion software

The following applications are provided free of charge by Spatial Services – Department of Finance, Services and Innovation to support implementation of the Geocentric Datum of Australia (GDA).

(Whilst all effort is made to ensure the accuracy and currency of these applications, Spatial Services does not accept responsibility for any actions arising from their use).

GridCalc (GDA94) for NSW (including Combined Scale Factor calculation)

The Combined Scale Factor spreadsheet (CSF.xls) and nomograph formerly located here have been superseded by the GridCalc (GDA94) for NSW spreadsheet package available from ICSM’s GitHub repository (GridCalc_GDA94_NSW.xlsm will require Microsoft Excel 2007 or later).

GEOD - Transformation Software

GEOD is a Windows compatible program that will transform individual points or files of point data (csv, ssv, acs27) between various coordinate systems in use across Australia.

View more detailed information or download GEOD.

DatumTran - Transformation Software

DatumTran is a windows compatible program that transforms common GIS data files of grid or geographic coordinates between Australian Geodetic Datums (AGD66 / AGD84) and GDA94.

DatumTran (v1.6) also transforms between GDA94 and ITRF (International Terrestrial Reference Framework).

DatumTran (v1.6) supports many ASCII data file formats and also ESRI binary 'shape' files.

View more detailed information or download DatumTran.

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