FUNCTION IfcSecondProjAxis

(* SCHEMA IFC2X3; *)

FUNCTION IfcSecondProjAxis
	(ZAxis, XAxis, Arg: IfcDirection)
	: IfcDirection;
  LOCAL
    YAxis : IfcVector;
    V     : IfcDirection;
    Temp  : IfcVector;
  END_LOCAL;
  
    IF NOT EXISTS(Arg) THEN
      V := IfcRepresentationItem() || IfcGeometricRepresentationItem () || IfcDirection([0.0,1.0,0.0]);
    ELSE
      V := Arg;
    END_IF;
    Temp  := IfcScalarTimesVector(IfcDotProduct(V, ZAxis), ZAxis);
    YAxis := IfcVectorDifference(V, Temp);
    Temp  := IfcScalarTimesVector(IfcDotProduct(V, XAxis), XAxis);
    YAxis := IfcVectorDifference(YAxis, Temp);
    YAxis := IfcNormalise(YAxis);
    RETURN(YAxis.Orientation);
END_FUNCTION;

Referenced By

Defintion IfcSecondProjAxis is references by the following definitions:

Definition	Type
IfcBaseAxis	FUNCTION

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2012-03-27T17:21:14-04:00