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NTV2 Grid Shift File
Updated April 02, 2025
This article applies to:
- Terrain 3D
- Terrain Forestry
- RoadEng Civil
- RoadEng Forestry
Grid Shift Files
Datum conversions are possible using grid shift files.
For Canadian transformations, use the NTv2 grid shift file. For transformations on the continental US, use the NADCON grid shift files.
1) Download the grid shift file (NTV2_0.zip from the downloads page) to the program parameters folder:
e.g. C:\Program Files\Softree\RoadEng11\bin\GDALdata (Note: the last folders may vary based on your version and product name)
2) Unzip the file.