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// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _GeomFill_SectionLaw_HeaderFile
#define _GeomFill_SectionLaw_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineHandle.hxx>
#include <Handle_GeomFill_SectionLaw.hxx>
#include <MMgt_TShared.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Real.hxx>
#include <Handle_Geom_BSplineSurface.hxx>
#include <Standard_Integer.hxx>
#include <GeomAbs_Shape.hxx>
#include <Handle_Geom_Curve.hxx>
class Standard_NotImplemented;
class Standard_DomainError;
class Standard_OutOfRange;
class TColgp_Array1OfPnt;
class TColStd_Array1OfReal;
class TColgp_Array1OfVec;
class Geom_BSplineSurface;
class TColStd_Array1OfInteger;
class gp_Pnt;
class Geom_Curve;
//! To define section law in sweeping
class GeomFill_SectionLaw : public MMgt_TShared
{
public:
//! compute the section for v = param
Standard_EXPORT virtual Standard_Boolean D0 (const Standard_Real Param, TColgp_Array1OfPnt& Poles, TColStd_Array1OfReal& Weigths) = 0;
//! compute the first derivative in v direction of the
//! section for v = param
//! Warning : It used only for C1 or C2 aproximation
Standard_EXPORT virtual Standard_Boolean D1 (const Standard_Real Param, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths) ;
//! compute the second derivative in v direction of the
//! section for v = param
//! Warning : It used only for C2 aproximation
Standard_EXPORT virtual Standard_Boolean D2 (const Standard_Real Param, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColgp_Array1OfVec& D2Poles, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths, TColStd_Array1OfReal& D2Weigths) ;
//! give if possible an bspline Surface, like iso-v are the
//! section. If it is not possible this methode have to
//! get an Null Surface. It is the default implementation.
Standard_EXPORT virtual Handle(Geom_BSplineSurface) BSplineSurface() const;
//! get the format of an section
Standard_EXPORT virtual void SectionShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree) const = 0;
//! get the Knots of the section
Standard_EXPORT virtual void Knots (TColStd_Array1OfReal& TKnots) const = 0;
//! get the Multplicities of the section
Standard_EXPORT virtual void Mults (TColStd_Array1OfInteger& TMults) const = 0;
//! Returns if the sections are rationnal or not
Standard_EXPORT virtual Standard_Boolean IsRational() const = 0;
//! Returns if the sections are periodic or not
Standard_EXPORT virtual Standard_Boolean IsUPeriodic() const = 0;
//! Returns if law is periodic or not
Standard_EXPORT virtual Standard_Boolean IsVPeriodic() const = 0;
//! Returns the number of intervals for continuity
//! <S>.
//! May be one if Continuity(me) >= <S>
Standard_EXPORT virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const = 0;
//! Stores in <T> the parameters bounding the intervals
//! of continuity <S>.
//!
//! The array must provide enough room to accomodate
//! for the parameters. i.e. T.Length() > NbIntervals()
Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const = 0;
//! Sets the bounds of the parametric interval on
//! the function
//! This determines the derivatives in these values if the
//! function is not Cn.
Standard_EXPORT virtual void SetInterval (const Standard_Real First, const Standard_Real Last) = 0;
//! Gets the bounds of the parametric interval on
//! the function
Standard_EXPORT virtual void GetInterval (Standard_Real& First, Standard_Real& Last) const = 0;
//! Gets the bounds of the function parametric domain.
//! Warning: This domain it is not modified by the
//! SetValue method
Standard_EXPORT virtual void GetDomain (Standard_Real& First, Standard_Real& Last) const = 0;
//! Returns the tolerances associated at each poles to
//! reach in approximation, to satisfy: BoundTol error
//! at the Boundary AngleTol tangent error at the
//! Boundary (in radian) SurfTol error inside the
//! surface.
Standard_EXPORT virtual void GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, TColStd_Array1OfReal& Tol3d) const = 0;
//! Is usefull, if (me) have to run numerical
//! algorithm to perform D0, D1 or D2
//! The default implementation make nothing.
Standard_EXPORT virtual void SetTolerance (const Standard_Real Tol3d, const Standard_Real Tol2d) ;
//! Get the barycentre of Surface.
//! An very poor estimation is sufficent.
//! This information is usefull to perform well
//! conditioned rational approximation.
//! Warning: Used only if <me> IsRational
Standard_EXPORT virtual gp_Pnt BarycentreOfSurf() const;
//! Returns the length of the greater section. This
//! information is usefull to G1's control.
//! Warning: With an little value, approximation can be slower.
Standard_EXPORT virtual Standard_Real MaximalSection() const = 0;
//! Compute the minimal value of weight for each poles
//! in all sections.
//! This information is usefull to control error
//! in rational approximation.
//! Warning: Used only if <me> IsRational
Standard_EXPORT virtual void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const;
//! Say if all sections are equals
Standard_EXPORT virtual Standard_Boolean IsConstant (Standard_Real& Error) const;
//! Return a copy of the constant Section, if me
//! IsConstant
Standard_EXPORT virtual Handle(Geom_Curve) ConstantSection() const;
//! Returns True if all section are circle, with same
//! plane,same center and linear radius evolution
//! Return False by Default.
Standard_EXPORT virtual Standard_Boolean IsConicalLaw (Standard_Real& Error) const;
//! Return the circle section at parameter <Param>, if
//! <me> a IsConicalLaw
Standard_EXPORT virtual Handle(Geom_Curve) CirclSection (const Standard_Real Param) const;
DEFINE_STANDARD_RTTI(GeomFill_SectionLaw)
protected:
private:
};
#endif // _GeomFill_SectionLaw_HeaderFile
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