Help:Surveyor Topology Section Extend
The Section Extend Tool on the Topology Tab allows you to add new terrain sections, or 'baseboards' to your Trainz world. This is essential for creating fully fledged Trainz routes and sessions.
To use the tool activate it by clicking on the the Section Extend icon on the Topology Tab, then click off the edge of your current section in the direction you want to extend. A new section of terrain will be created (each Trainz section is 720m square when working in 'real scale').
By default ground sections use a 10m grid, where each adjustable terrain 'point' is 10m apart (the terrain is actually a series of 10m triangles welded together). If your route requires finer detail you can create sections which use a 5m grid. These ground sections will use four times more memory than the standard 10m grid and should be reserved for when fine detail is absolutely required.
To create a section with a 5m grid right-click on the Section Extend icon and choose "Classic - 5m Grid" from the list. Any newly created sections will now use a 5m grid, don't forget to change the tool back when you're done! You can also update existing sections by clicking on them whilst the 5m grid option is selected.
