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NTV2 Grid Shift File

Updated September 15, 2022


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:

C:\ProgramData\Softree\RoadEng (Note: the last folder will vary by your product name)

2) Unzip the file.