Open CASCADE Technology 7.8.2.dev
GeomFill_Darboux Class Reference

Defines Darboux case of Frenet Trihedron Law. More...

#include <GeomFill_Darboux.hxx>

Inheritance diagram for GeomFill_Darboux:

Public Member Functions

 GeomFill_Darboux ()
 
virtual Handle< GeomFill_TrihedronLawCopy () const override
 
virtual Standard_Boolean D0 (const Standard_Real Param, gp_Vec &Tangent, gp_Vec &Normal, gp_Vec &BiNormal) override
 compute Triedrhon on curve at parameter
 
virtual Standard_Boolean D1 (const Standard_Real Param, gp_Vec &Tangent, gp_Vec &DTangent, gp_Vec &Normal, gp_Vec &DNormal, gp_Vec &BiNormal, gp_Vec &DBiNormal) override
 compute Triedrhon and derivative Trihedron on curve at parameter Warning : It used only for C1 or C2 approximation
 
virtual Standard_Boolean D2 (const Standard_Real Param, gp_Vec &Tangent, gp_Vec &DTangent, gp_Vec &D2Tangent, gp_Vec &Normal, gp_Vec &DNormal, gp_Vec &D2Normal, gp_Vec &BiNormal, gp_Vec &DBiNormal, gp_Vec &D2BiNormal) override
 compute Trihedron on curve first and seconde derivatives. Warning : It used only for C2 approximation
 
virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const override
 Returns the number of intervals for continuity . May be one if Continuity(me) >=
 
virtual void Intervals (TColStd_Array1OfReal &T, const GeomAbs_Shape S) const override
 Stores in <T> the parameters bounding the intervals of continuity .
 
virtual void GetAverageLaw (gp_Vec &ATangent, gp_Vec &ANormal, gp_Vec &ABiNormal) override
 Get average value of Tangent(t) and Normal(t) it is usfull to make fast approximation of rational surfaces.
 
virtual Standard_Boolean IsConstant () const override
 Say if the law is Constant.
 
virtual Standard_Boolean IsOnlyBy3dCurve () const override
 Return False.
 
- Public Member Functions inherited from GeomFill_TrihedronLaw
virtual Standard_Boolean SetCurve (const Handle< Adaptor3d_Curve > &C)
 initialize curve of trihedron law
 
virtual GeomFill_PipeError ErrorStatus () const
 Give a status to the Law Returns PipeOk (default implementation)
 
virtual void SetInterval (const Standard_Real First, const Standard_Real Last)
 Sets the bounds of the parametric interval on the function This determines the derivatives in these values if the function is not Cn.
 
void GetInterval (Standard_Real &First, Standard_Real &Last)
 Gets the bounds of the parametric interval on the function.
 
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor.
 
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing.
 
Standard_Transientoperator= (const Standard_Transient &)
 Assignment operator, needed to avoid copying reference counter.
 
virtual ~Standard_Transient ()
 Destructor must be virtual.
 
virtual const opencascade::handle< Standard_Type > & DynamicType () const
 Returns a type descriptor about this object.
 
Standard_Boolean IsInstance (const opencascade::handle< Standard_Type > &theType) const
 Returns a true value if this is an instance of Type.
 
Standard_Boolean IsInstance (const Standard_CString theTypeName) const
 Returns a true value if this is an instance of TypeName.
 
Standard_Boolean IsKind (const opencascade::handle< Standard_Type > &theType) const
 Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism.
 
Standard_Boolean IsKind (const Standard_CString theTypeName) const
 Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism.
 
Standard_TransientThis () const
 Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero.
 
Standard_Integer GetRefCount () const noexcept
 Get the reference counter of this object.
 
void IncrementRefCounter () noexcept
 Increments the reference counter of this object.
 
Standard_Integer DecrementRefCounter () noexcept
 Decrements the reference counter of this object; returns the decremented value.
 
virtual void Delete () const
 Memory deallocator for transient classes.
 

Additional Inherited Members

- Public Types inherited from Standard_Transient
typedef void base_type
 Returns a type descriptor about this object.
 
- Static Public Member Functions inherited from Standard_Transient
static constexpr const char * get_type_name ()
 Returns a type descriptor about this object.
 
static const opencascade::handle< Standard_Type > & get_type_descriptor ()
 Returns type descriptor of Standard_Transient class.
 
- Protected Attributes inherited from GeomFill_TrihedronLaw
Handle< Adaptor3d_CurvemyCurve
 
Handle< Adaptor3d_CurvemyTrimmed
 

Detailed Description

Defines Darboux case of Frenet Trihedron Law.

Constructor & Destructor Documentation

◆ GeomFill_Darboux()

GeomFill_Darboux::GeomFill_Darboux ( )

Member Function Documentation

◆ Copy()

virtual Handle< GeomFill_TrihedronLaw > GeomFill_Darboux::Copy ( ) const
overridevirtual

Implements GeomFill_TrihedronLaw.

◆ D0()

virtual Standard_Boolean GeomFill_Darboux::D0 ( const Standard_Real Param,
gp_Vec & Tangent,
gp_Vec & Normal,
gp_Vec & BiNormal )
overridevirtual

compute Triedrhon on curve at parameter

Implements GeomFill_TrihedronLaw.

◆ D1()

virtual Standard_Boolean GeomFill_Darboux::D1 ( const Standard_Real Param,
gp_Vec & Tangent,
gp_Vec & DTangent,
gp_Vec & Normal,
gp_Vec & DNormal,
gp_Vec & BiNormal,
gp_Vec & DBiNormal )
overridevirtual

compute Triedrhon and derivative Trihedron on curve at parameter Warning : It used only for C1 or C2 approximation

Reimplemented from GeomFill_TrihedronLaw.

◆ D2()

virtual Standard_Boolean GeomFill_Darboux::D2 ( const Standard_Real Param,
gp_Vec & Tangent,
gp_Vec & DTangent,
gp_Vec & D2Tangent,
gp_Vec & Normal,
gp_Vec & DNormal,
gp_Vec & D2Normal,
gp_Vec & BiNormal,
gp_Vec & DBiNormal,
gp_Vec & D2BiNormal )
overridevirtual

compute Trihedron on curve first and seconde derivatives. Warning : It used only for C2 approximation

Reimplemented from GeomFill_TrihedronLaw.

◆ GetAverageLaw()

virtual void GeomFill_Darboux::GetAverageLaw ( gp_Vec & ATangent,
gp_Vec & ANormal,
gp_Vec & ABiNormal )
overridevirtual

Get average value of Tangent(t) and Normal(t) it is usfull to make fast approximation of rational surfaces.

Implements GeomFill_TrihedronLaw.

◆ Intervals()

virtual void GeomFill_Darboux::Intervals ( TColStd_Array1OfReal & T,
const GeomAbs_Shape S ) const
overridevirtual

Stores in <T> the parameters bounding the intervals of continuity .

The array must provide enough room to accommodate for the parameters. i.e. T.Length() > NbIntervals()

Implements GeomFill_TrihedronLaw.

◆ IsConstant()

virtual Standard_Boolean GeomFill_Darboux::IsConstant ( ) const
overridevirtual

Say if the law is Constant.

Reimplemented from GeomFill_TrihedronLaw.

◆ IsOnlyBy3dCurve()

virtual Standard_Boolean GeomFill_Darboux::IsOnlyBy3dCurve ( ) const
overridevirtual

Return False.

Reimplemented from GeomFill_TrihedronLaw.

◆ NbIntervals()

virtual Standard_Integer GeomFill_Darboux::NbIntervals ( const GeomAbs_Shape S) const
overridevirtual

Returns the number of intervals for continuity . May be one if Continuity(me) >=

Implements GeomFill_TrihedronLaw.


The documentation for this class was generated from the following file: