Configuring Grid Transformation Definitions

To reproject between coordinate systems that have different datums in workspaces run from FME Server, use a grid transformation override file that references custom grid files.

You must make the desired changes in FME Workbench, then manually copy the applicable grid override file to FME Server.

  1. In FME Workbench, click Tools > FME Options > Coordinate Systems, and edit the applicable grid transformation.
  2. Upload the grid shift file to <FMEServerDir>\Server\fme\Reproject\GridData on all machines with FME Engines, assuming the installation directory is the same. If not, specify a shared file location outside of <FMEServerDir>.
  3. Locate the applicable grid override file from the FME Desktop machine:

    4. Windows:

    <user>\My Documents\FME\CoordinateSystemGridOverrides\<grid_override_file>.txt

    Linux:

    > ~/.fme/CoordinateSystemGridOverrides

  4. Make a copy of the grid override file.
  5. Open the copy in a text editor. You will see a relative path to the .\GridData\<GRID_SHIFT_FILE> file. Change the relative path to a fully-qualified path to the <FMEServerDir>\Server\fme\Reproject\GridData\<GRID_SHIFT_FILE>.gsb file.
    6. Note  If any part of the path contains spaces, enclose the entire path in quotation marks (""). If paths containing spaces are not enclosed in quotation marks, the FME Server Engines service may fail to restart.
  6. Save and close the file.
  7. On the Resources page, upload the grid override text file to the CoordinateSystemGridOverrides folder, under Engine.
  8. Restart FME Server.