Difference between revisions of "ThroughSignals:Alpha"

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'''''PBS Through Signals'''''
 
   
 
=PBS Through Signals=
 
=PBS Through Signals=
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'''2.6 alpha 1768 or later'''
 
'''2.6 alpha 1768 or later'''
   
-=Switch=-
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==Switch==
   
 
Configuration file: tsignals on/off
 
Configuration file: tsignals on/off
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This switch requires [[PathBasedSignalling]].
 
This switch requires [[PathBasedSignalling]].
   
-=Description=-
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==Description==
   
 
Allows PBS reservations the opposite way through selected one-way signals.
 
Allows PBS reservations the opposite way through selected one-way signals.
   
The signal GUI is used to set this property. [[ExperimentalFeatures:Alpha]]. The button to use is that to the right of the semaphore<-->light signal button.
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The signal GUI is used to set this property. [[ExperimentalFeatures:Alpha]]. The button to use is that to the right of the semaphore<-->light signal button.
   
In order to visually distinguish these signals, and for an icon to be present in the relevant signal GUI button, a signal GRF must be present which defines the required signal sprites. Such a GRF can be found: [http://www.tt-forums.net/viewtopic.php?p=634134#p634134|here].
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In order to visually distinguish these signals, and for an icon to be present in the relevant signal GUI button, a signal GRF must be present which defines the required signal sprites. Such a GRF can be found: [http://www.tt-forums.net/viewtopic.php?p=634134#p634134| here].
   
 
A signal which is defined as a through signal is automatically set to a be PBS signal.
 
A signal which is defined as a through signal is automatically set to a be PBS signal.
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Hence they should be used where trains should pass through in one direction, and possibly wait in the other.
 
Hence they should be used where trains should pass through in one direction, and possibly wait in the other.
   
-=Typical Usage=-
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==Typical Usage==
   
 
Bi-directional station layouts.
 
Bi-directional station layouts.

Revision as of 11:09, 15 June 2011


PBS Through Signals

2.6 alpha 1768 or later

Switch

Configuration file: tsignals on/off

Command line: -ZQ

This switch requires PathBasedSignalling.

Description

Allows PBS reservations the opposite way through selected one-way signals.

The signal GUI is used to set this property. ExperimentalFeatures:Alpha. The button to use is that to the right of the semaphore<-->light signal button.

In order to visually distinguish these signals, and for an icon to be present in the relevant signal GUI button, a signal GRF must be present which defines the required signal sprites. Such a GRF can be found: here.

A signal which is defined as a through signal is automatically set to a be PBS signal.

Two-way signals are unaffected by setting them as through signals.

Note that a train will never wait when heading the opposite way through a one-way through signal.

Hence they should be used where trains should pass through in one direction, and possibly wait in the other.

Typical Usage

Bi-directional station layouts.

The signals on either side of the station platforms can be set to one-way through signals, such that the normal direction of signals, is outward from the platform.

Hence trains will reserve a route past and through the station-entrance signal on their way-in, such that two trains cannot reserve a route into the same platform and deadlocks can be prevented.

A sample image is shown below.

This feature was contributed by Jonathan G. Rennison (JGR).