[occt.git] / src / GeomLib / GeomLib_Check2dBSplineCurve.cdl

-- File:	GeomLib_CheckBSplineCurve.cdl
-- Created:	Wed May 28 16:31:08 1997
-- Author:	Xavier BENVENISTE
--		<xab@zozox.paris1.matra-dtv.fr>
---Copyright:	 Matra Datavision 1997


class Check2dBSplineCurve from GeomLib

	---Purpose: this class is used to  construct the BSpline curve
	--          from an Approximation ( ApproxAFunction from AdvApprox).
    	

uses
    Pnt2d           from gp,
    BSplineCurve    from Geom2d

raises

    NotDone    from StdFail,
    OutOfRange from Standard
    
is

    Create( Curve : BSplineCurve from Geom2d ;
    	    Tolerance        : Real from Standard ;
            AngularTolerance : Real from Standard) 
    returns Check2dBSplineCurve from GeomLib;
    
    IsDone(me) returns Boolean from Standard
	---C++: inline
    is static;
    
    NeedTangentFix(me; FirstFlag : in out Boolean from Standard ;
    	         SecondFlag : in out Boolean from Standard) ;
    FixTangent  (me : in out ; FirstFlag : Boolean from Standard ;
              		       LastFlag  : Boolean from Standard)  ;	 
	
    FixedTangent  (me : in out ; FirstFlag : Boolean from Standard ;
              		       LastFlag  : Boolean from Standard) 
    ---Purpose:  modifies the curve
    -- by fixing the first or the last tangencies 
    -- 
    returns BSplineCurve from Geom2d
    raises
    	OutOfRange from Standard,
    	---Purpose: if Index3D not in the Range [1,Nb3dSpaces]
	NotDone    from StdFail
	---Purpose: if the Approx is not Done
    is static;
 

fields

    myCurve            : BSplineCurve from Geom2d ;
    myDone             : Boolean from Standard ;
    myFixFirstTangent  : Boolean from Standard ;
    myFixLastTangent   : Boolean from Standard ;
    myAngularTolerance : Real from Standard ;
    myTolerance        : Real from Standard ;
    myFirstPole        : Pnt2d from gp ;
    	-- the second pole that controls first tangency
    myLastPole         : Pnt2d from gp ;
    	-- the before last pole that controls last tangency

end Check2dBSplineCurve;
Commit	Line	Data
7fd59977	1	-- File: GeomLib_CheckBSplineCurve.cdl
	2	-- Created: Wed May 28 16:31:08 1997
	3	-- Author: Xavier BENVENISTE
	4	-- <xab@zozox.paris1.matra-dtv.fr>
	5	---Copyright: Matra Datavision 1997
	6
	7
	8
	9	class Check2dBSplineCurve from GeomLib
	10
	11	---Purpose: this class is used to construct the BSpline curve
	12	-- from an Approximation ( ApproxAFunction from AdvApprox).
	13
	14
	15	uses
	16	Pnt2d from gp,
	17	BSplineCurve from Geom2d
	18
	19	raises
	20
	21	NotDone from StdFail,
	22	OutOfRange from Standard
	23
	24	is
	25
	26	Create( Curve : BSplineCurve from Geom2d ;
	27	Tolerance : Real from Standard ;
	28	AngularTolerance : Real from Standard)
	29	returns Check2dBSplineCurve from GeomLib;
	30
	31	IsDone(me) returns Boolean from Standard
	32	---C++: inline
	33	is static;
	34
	35	NeedTangentFix(me; FirstFlag : in out Boolean from Standard ;
	36	SecondFlag : in out Boolean from Standard) ;
	37	FixTangent (me : in out ; FirstFlag : Boolean from Standard ;
	38	LastFlag : Boolean from Standard) ;
	39
	40	FixedTangent (me : in out ; FirstFlag : Boolean from Standard ;
	41	LastFlag : Boolean from Standard)
	42	---Purpose: modifies the curve
	43	-- by fixing the first or the last tangencies
	44	--
	45	returns BSplineCurve from Geom2d
	46	raises
	47	OutOfRange from Standard,
	48	---Purpose: if Index3D not in the Range [1,Nb3dSpaces]
	49	NotDone from StdFail
	50	---Purpose: if the Approx is not Done
	51	is static;
	52
	53
	54	fields
	55
	56	myCurve : BSplineCurve from Geom2d ;
	57	myDone : Boolean from Standard ;
	58	myFixFirstTangent : Boolean from Standard ;
	59	myFixLastTangent : Boolean from Standard ;
	60	myAngularTolerance : Real from Standard ;
	61	myTolerance : Real from Standard ;
	62	myFirstPole : Pnt2d from gp ;
	63	-- the second pole that controls first tangency
	64	myLastPole : Pnt2d from gp ;
65	-- the before last pole that controls last tangency
66
67	end Check2dBSplineCurve;