Exporting TTM (Trimble) and TN3 (Topcon) Files

TTM (Trimble) and TN3 (Topcon) are tri-mesh files. AGTEK creates these files using the Export command from the File Menu in 3D View Mode.

Trimble TTM.  Choosing the Surface to Export

• Open the job file and switch to 3D View Mode.

• From the Ref menu, choose the desired surface for export.

• The surface that displays as the Ref Surface is the one that is exported.

• Select Export > Trimble Export (TTM) from the File Menu. The Export window displays.

• The name defaults to the current job name with a .ttm extension. Change the name if desired.

• Press the Save button to save the tri-mesh file.

Topcon TN3 or LN3 files.

• Select Export > Topcon Export (TN3,LN3) from the File Menu. The Export window displays.

• The name defaults to the current job name with a .ttm extension. Change the name if desired.

• Press the Save button to save the tri-mesh file.

Also see: Opening TTM and TN3 Files