-- File:        BSplineCurve.cdl
-- Created:     Fri Dec  1 11:11:14 1995
-- Author:      EXPRESS->CDL V0.2 Translator
-- Copyright:   Matra-Datavision 1993


class BSplineCurve from StepGeom 

inherits BoundedCurve from StepGeom 


  -- N.B : EXPRESS Complexe SUBTYPE Declaration :

  -- ANDOR ( ONEOF ( uniform_curve b_spline_curve_with_knots quasi_uniform_curve bezier_curve ) rational_b_spline_curve ) 

uses

	Integer from Standard, 
	HArray1OfCartesianPoint from StepGeom, 
	BSplineCurveForm from StepGeom, 
	Logical from StepData, 
	CartesianPoint from StepGeom, 
	HAsciiString from TCollection
is

	Create returns mutable BSplineCurve;
	---Purpose: Returns a BSplineCurve


	Init (me : mutable;
	      aName : mutable HAsciiString from TCollection) is redefined;

	Init (me : mutable;
	      aName : mutable HAsciiString from TCollection;
	      aDegree : Integer from Standard;
	      aControlPointsList : mutable HArray1OfCartesianPoint from StepGeom;
	      aCurveForm : BSplineCurveForm from StepGeom;
	      aClosedCurve : Logical from StepData;
	      aSelfIntersect : Logical from StepData) is virtual;

	-- Specific Methods for Field Data Access --

	SetDegree(me : mutable; aDegree : Integer);
	Degree (me) returns Integer;
	SetControlPointsList(me : mutable; aControlPointsList : mutable HArray1OfCartesianPoint);
	ControlPointsList (me) returns mutable HArray1OfCartesianPoint;
	ControlPointsListValue (me; num : Integer) returns mutable CartesianPoint;
	NbControlPointsList (me) returns Integer;
	SetCurveForm(me : mutable; aCurveForm : BSplineCurveForm);
	CurveForm (me) returns BSplineCurveForm;
	SetClosedCurve(me : mutable; aClosedCurve : Logical);
	ClosedCurve (me) returns Logical;
	SetSelfIntersect(me : mutable; aSelfIntersect : Logical);
	SelfIntersect (me) returns Logical;

fields

	degree : Integer from Standard;
	controlPointsList : HArray1OfCartesianPoint from StepGeom;
	curveForm : BSplineCurveForm from StepGeom; -- an Enumeration
	closedCurve : Logical from StepData;
	selfIntersect : Logical from StepData;

end BSplineCurve;