I thought you might be interested in looking at 3D Max 2010 and ArmA3 Terrain.
https://forums.bohemia.net/forums/topic/161348-3d-max-2010-and-arma3-terrain/?do=findComment&comment=2527363
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.