Signal Failures

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Signals that use incandescent light bulbs to display an aspect can suffer failures. The lamps often have two filaments for redundancy. When one of these filaments is broken, the second filament takes over. Scenarios can be written to specify when and how signals can become defective.

All signal failure tags are enclosed within the Irregularities tags. Each signal failure is defined like the following:

 <Irregularities>
    <SignalFailure signal="12" aspect="STOP" canRepair="false" />
 </Irregularities>

The attributes for each signal failure are as follows:

signal

name of the signal

aspect

either STOP or CLEAR

defines which aspect cannot be properly displayed

canRepair

(optional)

either true or false (true by default)

indicates whether a signal can be repaired

startTime

(optional)

time (HH:mm:ss)

when omitted, there is no lower bound (that is, signal failures can occur as soon as simulation starts)

endTime

(optional)

time (HH:mm:ss)

when omitted, there is no upper bound (that is, signal failures can occur right to the end of the simulation, however long that may be)

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Contents | Developers pages | Command Line Options | Timetables | Scenario Creation | Developing Installers