How to open 3D highway base map format .3dh files
Have you had trouble opening the 3dh file on your computer? What are 3dh files? We explain what they are and recommend software that we know will open them.
What is 3dh file?
Files with 3dh extension can be usually be found as special maps saved in the 3D highway base map format.
3D highway base map format description
File extension 3dh is used for 3D highway base maps from Survey by New York State Department of Transportation.
The 3D highway base map is probably some sort of specialized engineering format.
There is no software record for the .3dh file extension entry.
There are other 3DH filename extensions with the same .3dh suffix
3dh - SeisWorks, a geoscience program, file stores horizontal time-slice data
A 3dh file extension is related to the SeisWorks software. A 3dh file contains data in horizontal time-slice format.