7.8.4.117 Pset_RailwaySignalSighting
7.8.4.117.1 Semantic definition
Properties that define information about signal sighting or visibility in railways. These properties are applicable to occurrences of IfcSignal and IfcSign.
7.8.4.117.2 Applicable entities
7.8.4.117.3 Properties
| Name | Property Type | Data Type | Description | |
|---|---|---|---|---|
| SignalSightingAchievableDistance | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Reading distance of the signal, which is achievable with the help of mitigation works. |
|
| SignalSightingAvailableDistance | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Reading distance of the signal without having any mitigation works. |
|
| SignalSightingCombinedWithRepeater | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Combined reading distance for the signal and any associated repeaters. |
|
| SignalSightingMinimum | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Minimal distance in which the signal has to be readable. |
|
| SignalSightingPreferred | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Preferred distance in which the signal shall be readable. |
|
| SignalSightingRouteIndicator | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Required reading distance for the route indicator. |
|
| SignalViewingMinimumInFront | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Smallest distance where the signal has to be readable (for train very close to the signal). |
