No, the RTT is different. But actually now I remembering, there are serious issues with alpha in the baker(discussed a few times here in the technical talk), so probably what you are linking works a lot better. Here is how I would do: I would place a camera where I want, and then simply render out passes with different…
http://knowledge.autodesk.com/support/3ds-max/learn-explore/caas/CloudHelp/cloudhelp/2015/ENU/3DSMax/files/GUID-76F1E8AE-9E8F-40A7-A948-471D17E09DA9-htm.html Basically, you can put your cross sections through your tree, press 0 to go into render to texture, and project your tree's textures, ao/normal/alpha/diffuse what…