You cannot add to, subtract from, or modify in any way layout files, but you can open them, zoom in and pan around the layout, examine the track list, grades, etc., and print the layout. In order to use RR-Viewer, download the primary components setup file, and then the set or sets of libraries that you need to view any of the layouts available on this web site. This demo comes with demo versions of the Lionel O track library, the Atlas O track library, the Ross Custom Switches O track library, as well as an example track layout. This demo comes with demo versions of the LGB and AristoCraft track libraries. Choose either save to disk when prompted by your Web browser.
Demo files are self-extracting executables.
Follow the instructions on the screen to install the demo.