IFC 4.3.1.0 (IFC4X3_ADD1) development

7.8.4.118 Pset_RailwaySignalType

7.8.4.118.1 Semantic definition

Properties common to the definition of occurrences and types of IfcSignal applied in railways.

7.8.4.118.2 Applicable entities

7.8.4.118.3 Properties

Name Property Type Data Type Description
SignalIndicatorType IfcPropertyEnumeratedValue PEnum_SignalIndicatorType

Type of the indicators on a signal, e.g. route indicator, speed restriction indicator etc.

LensDiffuserType IfcPropertySingleValue IfcLabel

Type of the lens diffuser the signal is equipped with.

HasConductorRailGuardBoard IfcPropertySingleValue IfcBoolean

Indicates if a guard board is provided.

MaximumDisplayDistance IfcPropertySingleValue IfcPositiveLengthMeasure

The maximum distance that can be displayed. The value relates only to the signal type, not to the circumstances at a special position.

RequiredDisplayDistance IfcPropertySingleValue IfcPositiveLengthMeasure

The required distance that has to be displayed. The value relates only to the signal type, not to the circumstances at a special position.

IsHighType IfcPropertySingleValue IfcBoolean

Indicates if the signal is high (TRUE) or dwarf (ground mounted) (FALSE).

SignalHoodLength IfcPropertySingleValue IfcPositiveLengthMeasure

Nominal length of the signal hood, which is the signal lamp cover against glaring sun.

HotStripOrientation IfcPropertySingleValue IfcLabel

Position of the hot strip, which indicates the direction of the focus of the light beam and is given in terms like "left upper quadrant (LUQ)" or "5 o'clock".

LensDiffuserOrientation IfcPropertySingleValue IfcLabel

Orientation the lens diffuser has to have, which indicates the direction of the lens diffuser and is given in terms like "left upper quadrant (LUQ)" or "5 o'clock".

NumberOfLamps IfcPropertySingleValue IfcCountMeasure

Number of lamps the signal is composed of.

SignalMessage IfcPropertySingleValue IfcText

All possible message available at this signal, e.g. "3/4- display automatic blocking".

RailwaySignalType IfcPropertyEnumeratedValue PEnum_RailwaySignalType

The type of railway signal, e.g. home signal, starting signal, shunting signal, level crossing signal.

Table 7.8.4.118.A

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7.8.4.118.4 Changelog

7.8.4.118.4.1 IFC4.3_DEV_9f90c1f0

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