F.8.1 Entities

ItemSPFXMLChangeDescription
CORE DATA SCHEMAS
  IFCPRODUCTEXTENSION
    IfcAlignment
      AxisXXMODIFIEDType changed from IfcLinearAxisSelect to IfcCurve.
    IfcAlignmentHorizontalMODIFIEDSchema changed from IFCGEOMETRICCONSTRAINTRESOURCE to IFCPRODUCTEXTENSION.
Name changed from IfcAlignment2DHorizontal to IfcAlignmentHorizontal.
      GlobalIdXXMODIFIEDName changed from StartDistAlong to GlobalId.
Type changed from IfcLengthMeasure to IfcGloballyUniqueId.
Instantiation changed from OPTIONAL.
      OwnerHistoryXXMODIFIEDName changed from Segments to OwnerHistory.
Type changed from IfcAlignment2DHorizontalSegment to IfcOwnerHistory.
Instantiation changed to OPTIONAL.
Aggregation changed from LIST to NONE.
Xsdformat changed from Default to Attribute.
      NameADDED
      DescriptionADDED
      ObjectTypeADDED
      ObjectPlacementADDED
      RepresentationADDED
      StartDistAlongADDED
      SegmentsADDED
      HasAssignmentsADDED
      NestsADDED
      IsNestedByADDED
      HasContextADDED
      IsDecomposedByADDED
      DecomposesADDED
      HasAssociationsADDED
      IsDeclaredByADDED
      DeclaresADDED
      IsTypedByADDED
      IsDefinedByADDED
      ReferencedByADDED
      PositionedRelativeToADDED
      ReferencedInStructuresADDED
      LayerAssignmentDELETED
      StyledByItemDELETED
      ToAlignmentCurveDELETED
    IfcAlignmentSegmentMODIFIEDSchema changed from IFCGEOMETRICCONSTRAINTRESOURCE to IFCPRODUCTEXTENSION.
Name changed from IfcAlignment2DSegment to IfcAlignmentSegment.
Instantiation changed from ABSTRACT.
      GlobalIdXXMODIFIEDName changed from TangentialContinuity to GlobalId.
Type changed from IfcBoolean to IfcGloballyUniqueId.
Instantiation changed from OPTIONAL.
      OwnerHistoryXXMODIFIEDName changed from StartTag to OwnerHistory.
Type changed from IfcLabel to IfcOwnerHistory.
Xsdformat changed from Default to Attribute.
      NameXMODIFIEDName changed from EndTag to Name.
      DescriptionADDED
      ObjectTypeADDED
      ObjectPlacementADDED
      RepresentationADDED
      GeometricParametersADDED
      HasAssignmentsADDED
      NestsADDED
      IsNestedByADDED
      HasContextADDED
      IsDecomposedByADDED
      DecomposesADDED
      HasAssociationsADDED
      IsDeclaredByADDED
      DeclaresADDED
      IsTypedByADDED
      IsDefinedByADDED
      ReferencedByADDED
      PositionedRelativeToADDED
      ReferencedInStructuresADDED
      LayerAssignmentDELETED
      StyledByItemDELETED
    IfcAlignmentVerticalMODIFIEDSchema changed from IFCGEOMETRICCONSTRAINTRESOURCE to IFCPRODUCTEXTENSION.
Name changed from IfcAlignment2DVertical to IfcAlignmentVertical.
      GlobalIdXXMODIFIEDName changed from Segments to GlobalId.
Type changed from IfcAlignment2DVerticalSegment to IfcGloballyUniqueId.
Instantiation changed to OPTIONAL.
Aggregation changed from LIST to NONE.
      OwnerHistoryADDED
      NameADDED
      DescriptionADDED
      ObjectTypeADDED
      ObjectPlacementADDED
      RepresentationADDED
      SegmentsADDED
      HasAssignmentsADDED
      NestsADDED
      IsNestedByADDED
      HasContextADDED
      IsDecomposedByADDED
      DecomposesADDED
      HasAssociationsADDED
      IsDeclaredByADDED
      DeclaresADDED
      IsTypedByADDED
      IsDefinedByADDED
      ReferencedByADDED
      PositionedRelativeToADDED
      ReferencedInStructuresADDED
      LayerAssignmentDELETED
      StyledByItemDELETED
      ToAlignmentCurveDELETED
    IfcLinearElementADDED
    IfcLinearPositioningElement
      AxisXXMODIFIEDType changed from IfcLinearAxisSelect to IfcCurve.
DOMAIN SPECIFIC DATA SCHEMAS
  IFCRAIL
    IfcLinearAxisSelectMODIFIEDStatus changed to Deprecated.
    IfcAlignmentCantMODIFIEDName changed from IfcAlignment2DCant to IfcAlignmentCant.
      GlobalIdXXMODIFIEDName changed from Segments to GlobalId.
Type changed from IfcAlignment2DCantSegment to IfcGloballyUniqueId.
Instantiation changed to OPTIONAL.
Aggregation changed from LIST to NONE.
      OwnerHistoryXXMODIFIEDName changed from RailHeadDistance to OwnerHistory.
Type changed from IfcPositiveLengthMeasure to IfcOwnerHistory.
Instantiation changed to OPTIONAL.
Xsdformat changed from Default to Attribute.
      NameADDED
      DescriptionADDED
      ObjectTypeADDED
      ObjectPlacementADDED
      RepresentationADDED
      RailHeadDistanceADDED
      SegmentsADDED
      HasAssignmentsADDED
      NestsADDED
      IsNestedByADDED
      HasContextADDED
      IsDecomposedByADDED
      DecomposesADDED
      HasAssociationsADDED
      IsDeclaredByADDED
      DeclaresADDED
      IsTypedByADDED
      IsDefinedByADDED
      ReferencedByADDED
      PositionedRelativeToADDED
      ReferencedInStructuresADDED
      LayerAssignmentDELETED
      StyledByItemDELETED
      ToLinearAxisDELETED
    IfcAxisLateralInclinationMODIFIEDInstantiation changed from ABSTRACT.
Status changed to Deprecated.
    IfcDirectrixDistanceSweptAreaSolidMODIFIEDStatus changed to Deprecated.
    IfcInclinedReferenceSweptAreaSolid
      StartDistanceXXMODIFIEDType changed from IfcDistanceExpression to IfcPointByDistanceExpression.
      EndDistanceXXMODIFIEDType changed from IfcDistanceExpression to IfcPointByDistanceExpression.
    IfcLinearAxisWithInclinationMODIFIEDStatus changed to Deprecated.
    IfcLinearPlacementWithInclinationMODIFIEDStatus changed to Deprecated.
      PlacementMeasuredAlongMODIFIEDStatus changed to Deprecated.
      DistanceXXMODIFIEDStatus changed to Deprecated.
Type changed from IfcDistanceExpression to IfcPointByDistanceExpression.
      RelativePlacementXXMODIFIEDName changed from Orientation to RelativePlacement.
Type changed from IfcOrientationExpression to IfcAxis2PlacementLinear.
Instantiation changed from OPTIONAL.
    IfcAlignment2DCantSegLineXXDELETED
    IfcAlignment2DCantSegmentMOVEDSchema changed from IFCRAIL to IFCGEOMETRICCONSTRAINTRESOURCE.
    IfcAlignment2DCantSegTransitionXXDELETED
    IfcAlignment2DVerSegTransitionXXDELETED
    IfcDirectrixCurveSweptAreaSolidMOVEDSchema changed from IFCRAIL to IFCGEOMETRYRESOURCE.
  IFCROAD
    IfcLinearSpanPlacementMODIFIEDStatus changed to Deprecated.
      PlacementMeasuredAlongMODIFIEDStatus changed to Deprecated.
      DistanceXXMODIFIEDStatus changed to Deprecated.
Type changed from IfcDistanceExpression to IfcPointByDistanceExpression.
      RelativePlacementXXMODIFIEDName changed from Orientation to RelativePlacement.
Type changed from IfcOrientationExpression to IfcAxis2PlacementLinear.
Instantiation changed from OPTIONAL.
    IfcSectionedSurface
      CrossSectionPositionsXXMODIFIEDType changed from IfcDistanceExpression to IfcPointByDistanceExpression.
RESOURCE DEFINITION DATA SCHEMAS
  IFCGEOMETRICCONSTRAINTRESOURCE
    IfcAlignmentCantSegmentTypeEnumADDED
    IfcAlignmentHorizontalSegmentTypeEnumADDED
    IfcAlignmentVerticalSegmentTypeEnumADDED
    IfcAlignment2DVerSegCircularArcMODIFIEDStatus changed to Deprecated.
      StartTagXXMODIFIEDName changed from TangentialContinuity to StartTag.
Type changed from IfcBoolean to IfcLabel.
      EndTagXMODIFIEDName changed from StartTag to EndTag.
      StartDistAlongXXMODIFIEDName changed from EndTag to StartDistAlong.
Type changed from IfcLabel to IfcLengthMeasure.
Instantiation changed from OPTIONAL.
      HorizontalLengthMODIFIEDName changed from StartDistAlong to HorizontalLength.
Type changed from IfcLengthMeasure to IfcPositiveLengthMeasure.
      StartHeightXXMODIFIEDName changed from HorizontalLength to StartHeight.
Type changed from IfcPositiveLengthMeasure to IfcLengthMeasure.
      StartGradientXMODIFIEDName changed from StartHeight to StartGradient.
      EndGradientMODIFIEDName changed from StartGradient to EndGradient.
Type changed from IfcRatioMeasure to IfcLengthMeasure.
      RadiusOfCurvatureXMODIFIEDName changed from Radius to RadiusOfCurvature.
Instantiation changed to OPTIONAL.
      PredefinedTypeXXMODIFIEDName changed from IsConvex to PredefinedType.
Type changed from IfcBoolean to IfcAlignmentVerticalSegmentTypeEnum.
      RadiusADDED
      IsConvexADDED
      LayerAssignmentDELETED
      StyledByItemDELETED
      ToVerticalDELETED
    IfcAlignment2DVerSegLineMODIFIEDStatus changed to Deprecated.
      StartTagXXMODIFIEDName changed from TangentialContinuity to StartTag.
Type changed from IfcBoolean to IfcLabel.
      EndTagXMODIFIEDName changed from StartTag to EndTag.
      StartDistAlongXXMODIFIEDName changed from EndTag to StartDistAlong.
Type changed from IfcLabel to IfcLengthMeasure.
Instantiation changed from OPTIONAL.
      HorizontalLengthMODIFIEDName changed from StartDistAlong to HorizontalLength.
Type changed from IfcLengthMeasure to IfcPositiveLengthMeasure.
      StartHeightXXMODIFIEDName changed from HorizontalLength to StartHeight.
Type changed from IfcPositiveLengthMeasure to IfcLengthMeasure.
      StartGradientXMODIFIEDName changed from StartHeight to StartGradient.
      EndGradientMODIFIEDName changed from StartGradient to EndGradient.
Type changed from IfcRatioMeasure to IfcLengthMeasure.
      RadiusOfCurvatureADDED
      PredefinedTypeADDED
      LayerAssignmentDELETED
      StyledByItemDELETED
      ToVerticalDELETED
    IfcAlignment2DVerSegParabolicArcMODIFIEDStatus changed to Deprecated.
      StartTagXXMODIFIEDName changed from TangentialContinuity to StartTag.
Type changed from IfcBoolean to IfcLabel.
      EndTagXMODIFIEDName changed from StartTag to EndTag.
      StartDistAlongXXMODIFIEDName changed from EndTag to StartDistAlong.
Type changed from IfcLabel to IfcLengthMeasure.
Instantiation changed from OPTIONAL.
      HorizontalLengthMODIFIEDName changed from StartDistAlong to HorizontalLength.
Type changed from IfcLengthMeasure to IfcPositiveLengthMeasure.
      StartHeightXXMODIFIEDName changed from HorizontalLength to StartHeight.
Type changed from IfcPositiveLengthMeasure to IfcLengthMeasure.
      StartGradientXMODIFIEDName changed from StartHeight to StartGradient.
      EndGradientMODIFIEDName changed from StartGradient to EndGradient.
Type changed from IfcRatioMeasure to IfcLengthMeasure.
      RadiusOfCurvatureXMODIFIEDName changed from ParabolaConstant to RadiusOfCurvature.
Instantiation changed to OPTIONAL.
      PredefinedTypeXXMODIFIEDName changed from IsConvex to PredefinedType.
Type changed from IfcBoolean to IfcAlignmentVerticalSegmentTypeEnum.
      ParabolaConstantADDED
      IsConvexADDED
      LayerAssignmentDELETED
      StyledByItemDELETED
      ToVerticalDELETED
    IfcAlignmentCantSegmentMOVEDSchema changed from IFCRAIL to IFCGEOMETRICCONSTRAINTRESOURCE.
    IfcAlignmentHorizontalSegmentMODIFIEDName changed from IfcAlignment2DHorizontalSegment to IfcAlignmentHorizontalSegment.
      StartTagXXMODIFIEDName changed from TangentialContinuity to StartTag.
Type changed from IfcBoolean to IfcLabel.
      EndTagXMODIFIEDName changed from StartTag to EndTag.
      StartPointXXMODIFIEDName changed from EndTag to StartPoint.
Type changed from IfcLabel to IfcCartesianPoint.
Instantiation changed from OPTIONAL.
      StartDirectionXXMODIFIEDName changed from CurveGeometry to StartDirection.
Type changed from IfcCurveSegment2D to IfcPlaneAngleMeasure.
      StartRadiusOfCurvatureADDED
      EndRadiusOfCurvatureADDED
      SegmentLengthADDED
      GravityCenterLineHeightADDED
      PredefinedTypeADDED
      LayerAssignmentDELETED
      StyledByItemDELETED
      ToHorizontalDELETED
    IfcAlignmentParameterSegmentADDED
    IfcAlignmentVerticalSegmentMODIFIEDName changed from IfcAlignment2DVerticalSegment to IfcAlignmentVerticalSegment.
Instantiation changed from ABSTRACT.
      StartTagXXMODIFIEDName changed from TangentialContinuity to StartTag.
Type changed from IfcBoolean to IfcLabel.
      EndTagXMODIFIEDName changed from StartTag to EndTag.
      StartDistAlongXXMODIFIEDName changed from EndTag to StartDistAlong.
Type changed from IfcLabel to IfcLengthMeasure.
Instantiation changed from OPTIONAL.
      HorizontalLengthMODIFIEDName changed from StartDistAlong to HorizontalLength.
Type changed from IfcLengthMeasure to IfcPositiveLengthMeasure.
      StartHeightXXMODIFIEDName changed from HorizontalLength to StartHeight.
Type changed from IfcPositiveLengthMeasure to IfcLengthMeasure.
      StartGradientXMODIFIEDName changed from StartHeight to StartGradient.
      EndGradientMODIFIEDName changed from StartGradient to EndGradient.
Type changed from IfcRatioMeasure to IfcLengthMeasure.
      RadiusOfCurvatureADDED
      PredefinedTypeADDED
      LayerAssignmentDELETED
      StyledByItemDELETED
      ToVerticalDELETED
    IfcLinearPlacement
      PlacementMeasuredAlongMODIFIEDStatus changed to Deprecated.
      DistanceXXMODIFIEDStatus changed to Deprecated.
Type changed from IfcDistanceExpression to IfcPointByDistanceExpression.
      RelativePlacementXXMODIFIEDName changed from Orientation to RelativePlacement.
Type changed from IfcOrientationExpression to IfcAxis2PlacementLinear.
Instantiation changed from OPTIONAL.
    IfcAlignment2DHorizontalMOVEDSchema changed from IFCGEOMETRICCONSTRAINTRESOURCE to IFCPRODUCTEXTENSION.
    IfcAlignment2DSegmentMOVEDSchema changed from IFCGEOMETRICCONSTRAINTRESOURCE to IFCPRODUCTEXTENSION.
    IfcAlignment2DVerticalMOVEDSchema changed from IFCGEOMETRICCONSTRAINTRESOURCE to IFCPRODUCTEXTENSION.
    IfcAlignmentCurveMOVEDSchema changed from IFCGEOMETRICCONSTRAINTRESOURCE to IFCGEOMETRYRESOURCE.
  IFCGEOMETRICMODELRESOURCE
    IfcFixedReferenceSweptAreaSolid
      StartParamMODIFIEDType changed from IfcParameterValue to IfcCurveMeasureSelect.
      EndParamMODIFIEDType changed from IfcParameterValue to IfcCurveMeasureSelect.
    IfcSectionedSolidHorizontal
      CrossSectionPositionsXXMODIFIEDType changed from IfcDistanceExpression to IfcPointByDistanceExpression.
    IfcSurfaceCurveSweptAreaSolid
      StartParamMODIFIEDType changed from IfcParameterValue to IfcCurveMeasureSelect.
      EndParamMODIFIEDType changed from IfcParameterValue to IfcCurveMeasureSelect.
  IFCGEOMETRYRESOURCE
    IfcCurveMeasureSelectADDED
    IfcAlignmentCurveMODIFIEDSchema changed from IFCGEOMETRICCONSTRAINTRESOURCE to IFCGEOMETRYRESOURCE.
Status changed to Deprecated.
      HorizontalXXMODIFIEDType changed from IfcAlignment2DHorizontal to IfcAlignmentHorizontal.
      VerticalXXMODIFIEDType changed from IfcAlignment2DVertical to IfcAlignmentVertical.
    IfcAxis1Placement
      LocationXXMODIFIEDType changed from IfcCartesianPoint to IfcPoint.
    IfcAxis2Placement2D
      LocationXXMODIFIEDType changed from IfcCartesianPoint to IfcPoint.
    IfcAxis2Placement3D
      LocationXXMODIFIEDType changed from IfcCartesianPoint to IfcPoint.
    IfcAxis2PlacementLinearMODIFIEDName changed from IfcOrientationExpression to IfcAxis2PlacementLinear.
      LocationXXMODIFIEDName changed from LateralAxisDirection to Location.
Type changed from IfcDirection to IfcPoint.
Xsdformat changed from Default to Attribute.
      AxisXMODIFIEDName changed from VerticalAxisDirection to Axis.
Instantiation changed to OPTIONAL.
      RefDirectionADDED
    IfcBlossCurveADDED
    IfcBoundaryCurve
      SegmentsXXMODIFIEDType changed from IfcCompositeCurveSegment to IfcSegment.
    IfcCircularArcSegment2DMODIFIEDStatus changed to Deprecated.
    IfcClothoidADDED
    IfcCompositeCurve
      SegmentsXXMODIFIEDType changed from IfcCompositeCurveSegment to IfcSegment.
    IfcCompositeCurveOnSurface
      SegmentsXXMODIFIEDType changed from IfcCompositeCurveSegment to IfcSegment.
    IfcCurveSegmentADDED
    IfcCurveSegment2DMODIFIEDStatus changed to Deprecated.
    IfcDirectrixCurveSweptAreaSolidMOVEDSchema changed from IFCRAIL to IFCGEOMETRYRESOURCE.
    IfcGradientCurveADDED
    IfcLineSegment2DMODIFIEDStatus changed to Deprecated.
    IfcOffsetCurveByDistances
      OffsetValuesXXMODIFIEDType changed from IfcDistanceExpression to IfcPointByDistanceExpression.
    IfcOuterBoundaryCurve
      SegmentsXXMODIFIEDType changed from IfcCompositeCurveSegment to IfcSegment.
    IfcPointByDistanceExpressionMODIFIEDName changed from IfcDistanceExpression to IfcPointByDistanceExpression.
      DistanceAlongXXMODIFIEDType changed from IfcLengthMeasure to IfcCurveMeasureSelect.
      BasisCurveXXMODIFIEDName changed from AlongHorizontal to BasisCurve.
Type changed from IfcBoolean to IfcCurve.
Instantiation changed from OPTIONAL.
    IfcSegmentADDED
    IfcSegmentedReferenceCurveADDED
    IfcSeriesParameterCurveADDED
    IfcTransitionCurveSegment2DMODIFIEDStatus changed to Deprecated.
  IFCPRESENTATIONAPPEARANCERESOURCE
    IfcFillAreaStyle
      ModelOrDraughtingXMODIFIEDName changed from ModelorDraughting to ModelOrDraughting.

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