Hello, I'm not allowed to reply to the post https://beamng.com/threads/tutorial-adding-heightmap-roads-with-blender-v2.39903/ I opened the Blender file with the recent version (2.91) and noted that node graph (needed) are gone. @LJFHutch or someone who knows, would you please update this great tutorial?
Try installing an older version of Blender and opening the files side-by-side to reference how the nodes are set up.
Hi pmz, I think the problem is you're on the wrong scene. Make sure you're on the add roads scene and the composite nodes should be there: