EXPRESS Definition for IfcModelingAidExtension

Documentation

EXPRESS-G Diagram

SCHEMA IfcModelingAidExtension;


REFERENCE FROM IfcMeasureResource (
    IfcLengthMeasure
   ,IfcLuminousIntensityMeasure
   ,IfcMeasureWithUnit
   ,IfcDerivedUnit
   ,IfcNamedUnit
   ,IfcSiUnit
   ,IfcConversionBasedUnit );

REFERENCE FROM IfcGeometryResource (
    IfcCartesianPoint
   ,IfcCurve
   ,IfcLine
   ,IfcConic
   ,IfcCircle
   ,IfcEllipse
   ,IfcBoundedCurve
   ,IfcTrimmedCurve
   ,IfcCompositeCurve
   ,IfcPolyline
   ,IfcSurface
   ,IfcElementarySurface
   ,IfcPlane
   ,IfcCurveBoundedPlane
   ,IfcSolidModel );

REFERENCE FROM IfcKernel (
    IfcModelingAid
   ,IfcLocalPlacement );

IfcReferenceCurveSelect

Documentation

TYPE IfcReferenceCurveSelect = SELECT (
    IfcReferenceCurve
   ,IfcGridAxis);
END_TYPE;

IfcReferencePointSelect

Documentation

TYPE IfcReferencePointSelect = SELECT (
    IfcGridIntersection
   ,IfcReferencePoint);
END_TYPE;

IfcConstrainedPlacement

Documentation

Fully Attributed View

ENTITY IfcConstrainedPlacement
  SUBTYPE OF (IfcLocalPlacement);
    PathEndPointsConstraint : LIST [1:2] OF IfcPlacementConstraint;
END_ENTITY;

IfcConstraintRelIntersection

Documentation

Fully Attributed View

ENTITY IfcConstraintRelIntersection
  SUBTYPE OF (IfcPlacementConstraint);
    RefPointAt       : IfcReferencePointSelect;
    OffsetFromCurves : LIST [0:3] OF IfcReferenceCurveSelect;
    OffsetDistances  : LIST [0:3] OF IfcLengthMeasure;
END_ENTITY;

IfcDesignGrid

Documentation

Fully Attributed View

ENTITY IfcDesignGrid
  SUBTYPE OF (IfcModelingAid);
    GridPurpose    : OPTIONAL STRING;
    LocalPlacement : IfcLocalPlacement;
  INVERSE
    HasGridLevels : SET [1:?] OF IfcGridLevel
                    FOR PartOfDesignGrid;
END_ENTITY;

IfcGridAxis

Documentation

Fully Attributed View

ENTITY IfcGridAxis
  SUBTYPE OF (IfcModelingAid);
    PartOfGridLevel      : IfcGridLevel;
    AxisTag              : OPTIONAL STRING;
    AxisCurve            : IfcBoundedCurve;
    SameSenseAsBaseCurve : BOOLEAN;
  INVERSE
    AlignedGridIntersections : SET [0:?] OF IfcGridIntersection
                               FOR AlignedWithAxes;
END_ENTITY;

IfcGridIntersection

Documentation

Fully Attributed View

ENTITY IfcGridIntersection
  SUBTYPE OF (IfcModelingAid);
    AlignedWithAxes   : SET [2:?] OF IfcGridAxis;
    IntersectionPoint : IfcCartesianPoint;
END_ENTITY;

IfcGridLevel

Documentation

Fully Attributed View

ENTITY IfcGridLevel
  SUBTYPE OF (IfcModelingAid);
    PartOfDesignGrid : IfcDesignGrid;
    GridLevelHeight  : OPTIONAL IfcLengthMeasure;
    GridLevelName    : OPTIONAL STRING;
  INVERSE
    HasGridAxes : SET [1:?] OF IfcGridAxis
                  FOR PartOfGridLevel;
END_ENTITY;

IfcLightSource

Documentation

Fully Attributed View

ENTITY IfcLightSource
  SUBTYPE OF (IfcModelingAid);
    SpectralPowerDistribution     : LIST [1:?] OF IfcMeasureWithUnit;
    PhotometricOutputDistribution : LIST [1:?] OF IfcPhotometricOutputSpace;
END_ENTITY;

IfcPhotometricOutputSpace

Documentation

Fully Attributed View

ENTITY IfcPhotometricOutputSpace
  SUBTYPE OF (IfcModelingAid);
    OutputSpace     : IfcSolidModel;
    OutputIntensity : IfcLuminousIntensityMeasure;
END_ENTITY;

IfcPlacementConstraint

Documentation

ENTITY IfcPlacementConstraint
  ABSTRACT SUPERTYPE OF (ONEOF(
    IfcConstraintRelIntersection))
  SUBTYPE OF (IfcModelingAid);
END_ENTITY;

IfcReferenceCurve

Documentation

Fully Attributed View

ENTITY IfcReferenceCurve
  SUBTYPE OF (IfcReferenceGeometryAid);
    ReferenceCurve : IfcBoundedCurve;
END_ENTITY;

IfcReferenceGeometryAid

Documentation

ENTITY IfcReferenceGeometryAid
  ABSTRACT SUPERTYPE OF (ONEOF(
    IfcReferenceCurve
   ,IfcReferencePoint
   ,IfcReferenceSurface))
  SUBTYPE OF (IfcModelingAid);
    LocalPlacement : IfcLocalPlacement;
END_ENTITY;

IfcReferencePoint

Documentation

Fully Attributed View

ENTITY IfcReferencePoint
  SUBTYPE OF (IfcReferenceGeometryAid);
    ReferencePoint : IfcCartesianPoint;
END_ENTITY;

IfcReferenceSurface

Documentation

Fully Attributed View

ENTITY IfcReferenceSurface
  SUBTYPE OF (IfcReferenceGeometryAid);
    ReferenceSurface : IfcSurface;
END_ENTITY;

END_SCHEMA;