My example how to do that can be downloaded here:
http://www.transdem.de/download/public/ ... idThin.cdp
Please note that the User ID part of the KUID has to be the same as in the original. Since this is an Auran KUID and not my own, I cannot upload the texture to the DLS.

Standard Surveyor view (ground texture from a 1:63,000 topo map, blurry by nature at close distance):

"Transparent" wireframe view with Trainz default texture:

Transparent wireframe view with replacement texture:

More images:



