TGD

Terragen world file
File type: Graphics file
Files with tgd suffix can be found as projects made and saved using Terragen 3D landscape rendering tool.
Found 3 different file type records with the same tgd filename suffix.
What is tgd file?
File type category:
Graphics file
Date updated: November 8, 2016
File extension tgd is most most likely best known for its use in Terragen, landscape animation tool that allows users rendering and animating of realistic natural environments.
It seems that .tgd files act as projects for Terragen and may contain all kind of data and objects. Seems like newer file type that replaced some previously used format.
How to open tgd file?
Use Terragen to open and continue to work on .tgd project.
How to convert tgd file?
The only way to export .tgd files is in Terragen.
Suggested software to open tgd file:
Associated software actions with the tgd file
Software applications that can open tgd files:
TerraGen (Microsoft Windows)
Software applications that can edit tgd files:
TerraGen (Microsoft Windows)
Software capable of saving tgd files:
TerraGen (Microsoft Windows)
Software apps that create tgd files:
TerraGen (Microsoft Windows)
Digital Tachograph binary data
File type category:
Various data file
Date updated: August 31, 2018
The tgd file extension is also related to the Digital Tachograph technology which is similar in appearance to the analogue tachograph. The system comprises a vehicle unit, a speed/distance sensor, and tachograph cards.
Nimbus 7 SAMS data
File type category:
Various data file
Date updated: January 11, 2019
The tgd file extension is associated with the Nimbus 7 SAMS data file format used to store temperature data from Nimbus 7 U.S. robotic spacecraft used for meteorological research and development.