IFC 4.3.2.20240128 (IFC4X3_ADD2) under development

5.4.4.4 Pset_AnnotationLineOfSight

5.4.4.4.1 Semantic definition

Specifies the properties of the line of sight. For example, it can be used to define the line of sight visibility at the junction between two roads (particularly between an access road and a public road); or in the design of a stadium or theatre.

5.4.4.4.2 Applicable entities

5.4.4.4.3 Properties

Name Property Type Data Type Description
SetbackDistance IfcPropertySingleValue IfcPositiveLengthMeasure

Setback distance from the point of connection on the major element along the axis of the minor element (e.g. distance from a public road at which the line of sigfht is measured.

VisibleAngleLeft IfcPropertySingleValue IfcPositivePlaneAngleMeasure

Angle of visibility to the left of the access.

VisibleAngleRight IfcPropertySingleValue IfcPositivePlaneAngleMeasure

Angle of visibility to the right of the access.

RoadVisibleDistanceLeft IfcPropertySingleValue IfcPositiveLengthMeasure

Distance visible to the left of the access.

RoadVisibleDistanceRight IfcPropertySingleValue IfcPositiveLengthMeasure

Distance visible to the right of the access.

Table 5.4.4.4.A

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5.4.4.4.4 Changelog

5.4.4.4.4.1 IFC4

  • New resource

5.4.4.4.4.2 IFC4.3_DEV_70ee25e8