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-- File : Extrema_CurveCache.cdl
-- Created : Sun Dec 28 2008
-- Author : Roman Lygin
-- roman.lygin@gmail.com
---Copyright: Roman Lygin, Open CASCADE 2008
generic class CurveCache from Extrema
(Curve as any; -- Adaptor3d_Curve or Adaptor2d_Curve2d
Pnt as any; -- gp_Pnt or gp_Pnt2d
ArrayOfPnt as Transient from Standard) -- TColgp_HArray1OfPnt or TColgp_HArray1OfPnt2d
inherits Transient from Standard
---Purpose:
raises NotDone from StdFail
is
Create returns mutable CurveCache from Extrema;
Create (theC: Curve; theUFirst, theULast: Real; theNbSamples: Integer;
theToCalculate: Boolean)returns mutable CurveCache from Extrema;
SetCurve (me: mutable; theC: Curve; theNbSamples: Integer;
theToCalculate: Boolean);
---Purpose: Sets the \a theRank-th curve (1 or 2) and its parameters.
-- Caches sample points for further reuse in Perform().
SetCurve (me: mutable; theC: Curve;
theUFirst, theULast: Real; theNbSamples: Integer; theToCalculate: Boolean);
---Purpose:
SetRange (me: mutable; Uinf, Usup: Real; theToCalculate: Boolean);
---Purpose:
CalculatePoints (me: mutable);
---Purpose: Calculates points along the curve and stores
-- them in internal array for further reuse in Perform().
IsValid (me) returns Boolean;
---C++: inline
---Purpose: Returns True if the points array has already been calculated
-- for specified curve and range
Points (me) returns ArrayOfPnt
raises NotDone from StdFail;
---C++: inline
---C++: return const &
---Purpose: Raises StdFail_NotDone if points have not yet been calculated.
CurvePtr (me) returns Address from Standard;
---C++: inline
---Purpose:
NbSamples (me) returns Integer;
---C++: inline
---Purpose:
FirstParameter (me) returns Real;
---C++: inline
---Purpose:
LastParameter (me) returns Real;
---C++: inline
---Purpose:
TrimFirstParameter (me) returns Real;
---C++: inline
---Purpose: For bounded curves returns FirstParameter(), for unbounded - -1e-10.
TrimLastParameter (me) returns Real;
---C++: inline
---Purpose: For bounded curves returns LastParameter(), for unbounded - 1e-10.
fields
myC : Address from Standard;
myFirst : Real;
myLast : Real;
myTrimFirst : Real;
myTrimLast : Real;
myNbSamples : Integer;
myPntArray : ArrayOfPnt;
myIsArrayValid: Boolean;
end;
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