Template:Railway signal mast

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Usage

{{Railway signal mast}} 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.

{{Railway signal mast|top signal|second signal|bottom signal|plate=|type=|align=|size=}}

Signal indicators

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

Type	Red		Yellow		Green		White		Other	Notes
Light	R		Y		G		W		blank space	Standard spotlight-style indicators. Lower-case letters indicate blinking lights.
Semaphore	R		Y		G				blank space	Modern upper-quadrant, 3-position semaphore signals.
Sema2	R			y	G	g			blank space	Lower-quadrant, 2-position semaphore signals. Upper-case letters indicate a main signalhead, while lower-case indicates an advance signalhead.
Positional	R —		Y /		G |		W \		blank space	White light positional shield. "W" indicates the permissive aspect, while "Y" indicates the advance aspect.

• base - Mast base chooser: Gantry, Base
• plate - Plate modifier for the mast: Res, Yel, SPS, <none>
• type - Signal type: semaphore, sema2, light
• align - Diagram alignment: left, center, right
• size - Scales diagram by percentage (do not use "%"): 100

Examples

Light mast (default)
Uses plate= parameter {{Railway signal mast|W|y|G|plate=Yel}}
Semaphore mast
Uses size= parameter {{Railway signal mast|R|Y|x|type=semaphore|size=150}}
2-position semaphore mast
Uses align= parameter {{Railway signal mast|G|y|x|type=sema2|align=left}} {{Railway signal mast|R|g|x|type=sema2}}
Positional light mast
Uses size= parameter {{Railway signal mast|R|Y|G|type=positional|size=60}}
Gantry
Note that at the default right alignment, masts are specified right-to-left. {{Railway signal mast|w|R|R|base=gantry|plate=SPS}} {{Railway signal mast|R|Y|g|base=gantry}} {{Railway signal mast|R|R|R|base=gantry}}
Dwarf, medium, and tall masts aligned
{{Railway signal mast|-|-|R|plate=Res}} {{Railway signal mast||G|x|plate=abs}} {{Railway signal mast|r|x|x}}
Non-aligned masts
{{Railway signal mast|R|type=positional}} {{Railway signal mast|G|x|x|type=semaphore}}

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