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Template:Railway signal mast/doc

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Usage

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{{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

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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

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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}}