0023981: Wrong section curves

[occt.git] / src / Extrema / Extrema_GExtCC2d.cdl

-- Created on: 1994-07-06
-- Created by: Laurent PAINNOT
-- Copyright (c) 1994-1999 Matra Datavision
-- Copyright (c) 1999-2012 OPEN CASCADE SAS
--
-- The content of this file is subject to the Open CASCADE Technology Public
-- License Version 6.5 (the "License"). You may not use the content of this file
-- except in compliance with the License. Please obtain a copy of the License
-- at http://www.opencascade.org and read it completely before using this file.
--
-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
--
-- The Original Code and all software distributed under the License is
-- distributed on an "AS IS" basis, without warranty of any kind, and the
-- Initial Developer hereby disclaims all such warranties, including without
-- limitation, any warranties of merchantability, fitness for a particular
-- purpose or non-infringement. Please see the License for the specific terms
-- and conditions governing the rights and limitations under the License.


generic class GExtCC2d from Extrema (Curve1    as any;
    	    	    	    	     Tool1     as any;
    	    	    	    	     Curve2    as any;
    	    	    	    	     Tool2     as any)

	---Purpose: It calculates all the distance between two curves.
	--          These distances can be maximum or minimum.

uses POnCurv2d           from Extrema,
     SequenceOfPOnCurv2d from Extrema,
     ExtElC2d            from Extrema,
     Pnt2d               from gp,
     HArray1OfPnt2d      from TColgp,
     SequenceOfReal      from TColStd


raises  InfiniteSolutions from StdFail,
    	NotDone           from StdFail,
    	OutOfRange        from Standard
	
    class CCache2d instantiates CurveCache from Extrema (Curve1, Pnt2d from gp, HArray1OfPnt2d from TColgp);

    class ECC2d    instantiates GenExtCC      from Extrema
        (Curve1,
         Tool1,
         Curve2,
         Tool2,
         CCache2d,
         HArray1OfPnt2d from TColgp,
         POnCurv2d,
         Pnt2d,
         Vec2d);

is

    Create returns GExtCC2d;
    

    Create (C1: Curve1;  C2: Curve2;
            TolC1: Real = 1.0e-10; TolC2: Real = 1.0e-10) returns GExtCC2d;
      	---Purpose: It calculates all the distances.


    Create (C1: Curve1;
    	    C2: Curve2;
	    U1: Real  from Standard;
	    U2: Real  from Standard;
	    V1: Real  from Standard;
	    V2: Real  from Standard;
            TolC1: Real = 1.0e-10;
            TolC2: Real = 1.0e-10) returns GExtCC2d;
      	---Purpose: It calculates all the distances.


    Initialize(me: in out; C2: Curve2;
    	       V1, V2: Real  from Standard; 
    	       TolC1: Real = 1.0e-10;
    	       TolC2: Real = 1.0e-10)
    	---Purpose: initializes the fields.
    is static;
    
    
    Perform(me: in out; C1: Curve1;
    	    U1, U2: Real  from Standard)
    is static;
    

    IsDone (me) returns Boolean
    	---Purpose: Returns True if the distances are found.
    	is static;

    NbExt (me) returns Integer
    	---Purpose: Returns the number of extremum distances.
    	raises  NotDone from StdFail,
	    	-- if IsDone(me)=False.
    	    	InfiniteSolutions from StdFail
		-- if IsParallel(me)= True.
    	is static;


    IsParallel (me) returns Boolean
    	---Purpose: Returns True if the two curves are parallel.
    	raises  NotDone from StdFail
	    	-- if IsDone(me)=False.
    	is static;


    SquareDistance (me; N: Integer =1) returns Real
    	---Purpose: Returns the value of the Nth extremum square distance.
    	raises  NotDone from StdFail,
	    	-- if IsDone(me)=False.
    	    	InfiniteSolutions from StdFail,
		-- if IsParallel(me)= True and N > 1.
    	    	OutOfRange
		-- if N < 1 or N > NbExt(me)
    	is static;

    Points (me; N: Integer; P1,P2: out POnCurv2d)
    	---Purpose: Returns the points of the Nth extremum distance.
    	--          P1 is on the first curve, P2 on the second one.
    	raises  NotDone from StdFail,
	    	-- if IsDone(me)=False.
    	    	InfiniteSolutions from StdFail,
		-- if IsParallel(me)= True.
    	    	OutOfRange
		-- if N < 1 or N > NbExt(me)
    	is static;

    TrimmedSquareDistances(me; dist11, distP12, distP21, distP22: out Real;
                     P11, P12, P21, P22: out Pnt2d)
    	---Purpose: if the curve is a trimmed curve,
    	--          dist11 is a square distance between the point on C1
    	--          of parameter FirstParameter and the point of 
    	--          parameter FirstParameter on C2.

    is static;
    
    Results(me: in out; AlgExt: ExtElC2d from Extrema;
    	    Ut11, Ut12, Ut21, Ut22: Real;
    	    Period1 : Real from Standard = 0.0;
            Period2 : Real from Standard = 0.0)

    is static protected;    	

--  modified by NIZHNY-EAP Thu Jan 27 16:53:25 2000 ___BEGIN___
    Results(me: in out;AlgExt: ECC2d; C : Curve1;
--  modified by NIZHNY-EAP Thu Jan 27 16:53:26 2000 ___END___
    	    Ut11, Ut12, Ut21, Ut22: Real;
    	    Period1 : Real from Standard = 0.0;
            Period2 : Real from Standard = 0.0)

    is static protected;


fields
    myDone:   Boolean;
    myIsPar:  Boolean;
    mypoints: SequenceOfPOnCurv2d from Extrema;
    mySqDist:  SequenceOfReal      from TColStd;
    mynbext:  Integer;
    inverse:  Boolean;
    myC:      Address from Standard;
    myv1:     Real;
    myv2:     Real;
    mytolc1:  Real;
    mytolc2:  Real;
    P1f:      Pnt2d;
    P1l:      Pnt2d;
    P2f:      Pnt2d;
    P2l:      Pnt2d;
    mydist11: Real;
    mydist12: Real;
    mydist21: Real;
    mydist22: Real;
    


end GExtCC2d;