IfcPointDim

Semantic definitions at the function

Function Definition

This function checks the dimensionality of the various subtypes of IfcPoint.

Returns the number of coordinate components in case of IfcCartesianPoint or the dimensionality of the basis curve or surface in other cases.

HISTORY New function in IFC4.3.0.1

Formal representations

EXPRESS Specification


FUNCTION IfcPointDim


 (Point : IfcPoint)
 : IfcDimensionCount;
 
  IF ('IFCGEOMETRYRESOURCE.IfcCartesianPoint' IN TYPEOF(Point))
    THEN RETURN(HIINDEX(Point\IfcCartesianPoint.Coordinates));
  END_IF;
  IF ('IFCGEOMETRYRESOURCE.IfcPointByDistanceExpression' IN TYPEOF(Point))
    THEN RETURN(Point\IfcPointByDistanceExpression.BasisCurve.Dim);
  END_IF;
  IF ('IFCGEOMETRYRESOURCE.IfcPointOnCurve' IN TYPEOF(Point))
    THEN RETURN(Point\IfcPointOnCurve.BasisCurve.Dim);
  END_IF;
  IF ('IFCGEOMETRYRESOURCE.IfcPointOnSurface' IN TYPEOF(Point))
    THEN RETURN(Point\IfcPointOnSurface.BasisSurface.Dim);
  END_IF;
  RETURN (?);




END_FUNCTION;