The Trainz AI is a very powerful, very flexible system but without a clear understanding of what it is doing and why, it can prove to be frustrating and difficult.
When the player enters cab view, the cab interior model occupies the majority of the screen. It's important therefore that cab interior is up to the punishment of close scrutiny.
5 Tips for getting the most out of your assets in the upcoming Trainz: A New Era
We often see mistakes being made in LOD configuration which suggest that the author does not really understand what LOD is meant to achieve.
If your asset has a script, then you have the potential for all kinds of problems when it comes time to translate it.
The Trainz community stretches right round the world and Trainz fans speak many different languages. An asset that is only available in one language will see only limited use.
The 'mesh-asset' tag provides a very useful function - the ability to make one asset load a mesh file from a different asset.
Many 3rd party content creators have made products, and there are over 2000 separate products now available in Trainz. However, there have been very few product-categories created.