What is a Trimble Terrain Model (TTM)

by George Mylne // Last edited April 7, 2023
230331 Trimble TTM featured image

A Trimble Terrain Model (TTM) is a file that contains a digital surface. A TTM file is usually exported from Trimble Business Centre (TBC) (or other surveying packages like Civil3d, 12d and more) to be used by a surveyor in the field to either conform and surface or set out a surface.

230331 Trimble TTM in TSC7 map viewer

To export a TTM file from TBC go to Export and select TTM exporter from the Constructions tab. Type in the correct file name and review all of the other settings. If you are happy click OK.

The file extension of a Trimble Terrain Model is TTM.

230331 Trimble TTM in file viewer

How to Activate TTM on Trimble Survey Controller (TSC)

To activate a Trimble Terrain Model (TTM) on a Trimble Survey Controller you open the layer manager (1) and then select the TTM file (2).

230407 how to activate ttm file on trimble survey controller TSC

What does TTM stand for?

Trimble Terrain Model is what TTM stands for. It is the file extension for digital surface models that can be used in Trimble’s controllers.

About the author George Mylne

George has been a surveyor for over 13 years, working across a wide range of projects and industries. In this blog, he shares his experiences and information gathered from his time on mining, civil and surveying projects.

{"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}