Template:Railway signal mast/doc

Usage
is a template for displaying signals on a mast for demonstration of railroad signalling aspects. It displays up to three signal heads using spotlight, one of two types of semaphore, or positional signals, along with a base and modifier plates.

Signal indicators
A bare signal mast section is indicated with "x". Other indicators are dependent on the  parameter.


 * base - Mast base chooser: Gantry, Base
 * plate - Plate modifier for the mast: Res, Yel, SPS,  
 * type - Signal type: semaphore, sema2, light
 * align - Diagram alignment: left, center, right
 * size - Scales diagram by percentage (do not use "%"): 100