AutoCAD Map 3D toolset comes with grid data files for Australia and New Zealand. These files are installed in folders under the Autodesk shared coordinate system folder. By default, it is located in C:\ProgramData\Autodesk\Geospatial Coordinate Systems.
Following is a table of the grid data files and GDC files used for Australia and New Zealand.
| Area | Transformation | Grid Data File (GSB) | GDC File |
|---|---|---|---|
| Australia | AGD84 to GDA94 | QLD_1299.gsb | Agd84ToGda94.gdc |
| Victoria | AGD66 to GDA94 | vic_0799.gsb | Agd66ToGda94.gdc |
| Tasmania | AGD66 to GDA94 | tas_1098.gsb | Agd66ToGda94.gdc |
| Northern Territory | AGD66 to GDA94 | Nt_0599.gsb | Agd66ToGda94.gdc |
| New Zealand | New Zealand | nzgd2kgrid9911.gsb | Nzgd49ToNzgd2K.gdc |
For more information about Australia and New Zealand coordinate systems, go to https://www.ga.gov.au.