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5.4.3.4 IfcAlignmentSegment

5.4.3.4.1 Semantic definition

An IfcAlignmentSegment is a segment of an IfcAlignment where either the vertical or horizontal direction or cant (in the case of trackdesign) obey a unique mathematical description as a function of the horizontal projection segment length of the alignment.

5.4.3.4.2 Entity inheritance

5.4.3.4.3 Attributes

# Attribute Type Description
IfcRoot (4)
IfcObjectDefinition (7)
IfcObject (5)
IfcProduct (5)
Click to show 21 hidden inherited attributes
IfcAlignmentSegment (1)
8 DesignParameters IfcAlignmentParameterSegment

The design parameters of the alignmnent segment.

Table 5.4.3.4.D

5.4.3.4.4 Property sets

  • Pset_AlignmentCantSegmentCommon
    • CantDeficiency
    • CantEquilibrium
    • StartSmoothingLength
    • EndSmoothingLength
  • Pset_AlignmentVerticalSegmentCommon
    • StartElevation
    • EndElevation
  • Pset_Risk
    • RiskName
    • RiskType
    • NatureOfRisk
    • RiskAssessmentMethodology
    • UnmitigatedRiskLikelihood
    • UnmitigatedRiskConsequence
    • UnmitigatedRiskSignificance
    • MitigationPlanned
    • MitigatedRiskLikelihood
    • MitigatedRiskConsequence
    • MitigatedRiskSignificance
    • MitigationProposed
    • AssociatedProduct
    • AssociatedActivity
    • AssociatedLocation
  • Pset_Tolerance
    • ToleranceDescription
    • ToleranceBasis
    • OverallTolerance
    • HorizontalTolerance
    • OrthogonalTolerance
    • VerticalTolerance
    • PlanarFlatness
    • HorizontalFlatness
    • ElevationalFlatness
    • SideFlatness
    • OverallOrthogonality
    • HorizontalOrthogonality
    • OrthogonalOrthogonality
    • VerticalOrthogonality
    • OverallStraightness
    • HorizontalStraightness
    • OrthogonalStraightness
    • VerticalStraightness
  • Pset_Uncertainty
    • UncertaintyBasis
    • UncertaintyDescription
    • HorizontalUncertainty
    • LinearUncertainty
    • OrthogonalUncertainty
    • VerticalUncertainty
  • Qto_BodyGeometryValidation
    • GrossSurfaceArea
    • NetSurfaceArea
    • GrossVolume
    • NetVolume
    • SurfaceGenusBeforeFeatures
    • SurfaceGenusAfterFeatures

5.4.3.4.5 Concept usage

Concept Usage Description
IfcRoot (2)
IfcObjectDefinition (9)
IfcObject (5)
IfcProduct (18)
Click to show 34 hidden inherited concepts
IfcAlignmentSegment (2)
Alignment Geometry - Segments General

No description available.

Property Sets for Objects General

This concept can be applied to the following resources:

Table 5.4.3.4.E

5.4.3.4.6 Examples

5.4.3.4.7 Formal representation

ENTITY IfcAlignmentSegment
SUBTYPE OF (IfcLinearElement);
DesignParameters : IfcAlignmentParameterSegment;
END_ENTITY;

5.4.3.4.8 References

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5.4.3.4.9 Changelog

5.4.3.4.9.1 IFC4.3_DEV_738df036

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