GeomEvaluator_OffsetCurve Class Reference

Allows to calculate values and derivatives for offset curves in 3D. More...

#include <GeomEvaluator_OffsetCurve.hxx>

Inheritance diagram for GeomEvaluator_OffsetCurve:

Public Member Functions
	GeomEvaluator_OffsetCurve (const Handle< Geom_Curve > &theBase, const Standard_Real theOffset, const gp_Dir &theDirection)
	Initialize evaluator by curve. More...
	GeomEvaluator_OffsetCurve (const Handle< GeomAdaptor_HCurve > &theBase, const Standard_Real theOffset, const gp_Dir &theDirection)
	Initialize evaluator by curve adaptor. More...
void	SetOffsetValue (Standard_Real theOffset)
	Change the offset value. More...
void	SetOffsetDirection (const gp_Dir &theDirection)
void	D0 (const Standard_Real theU, gp_Pnt &theValue) const override
	Value of curve. More...
void	D1 (const Standard_Real theU, gp_Pnt &theValue, gp_Vec &theD1) const override
	Value and first derivatives of curve. More...
void	D2 (const Standard_Real theU, gp_Pnt &theValue, gp_Vec &theD1, gp_Vec &theD2) const override
	Value, first and second derivatives of curve. More...
void	D3 (const Standard_Real theU, gp_Pnt &theValue, gp_Vec &theD1, gp_Vec &theD2, gp_Vec &theD3) const override
	Value, first, second and third derivatives of curve. More...
gp_Vec	DN (const Standard_Real theU, const Standard_Integer theDeriv) const override
	Calculates N-th derivatives of curve, where N = theDeriv. Raises if N < 1. More...
Public Member Functions inherited from GeomEvaluator_Curve
	GeomEvaluator_Curve ()
Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor. More...
	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing. More...
Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter. More...
virtual	~Standard_Transient ()
	Destructor must be virtual. More...
virtual void	Delete () const
	Memory deallocator for transient classes. More...
virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object. More...
Standard_Boolean	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type. More...
Standard_Boolean	IsInstance (const Standard_CString theTypeName) const
	Returns a true value if this is an instance of TypeName. More...
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. More...
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. More...
Standard_Transient *	This () 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. More...
Standard_Integer	GetRefCount () const
	Get the reference counter of this object. More...
void	IncrementRefCounter () const
	Increments the reference counter of this object. More...
Standard_Integer	DecrementRefCounter () const
	Decrements the reference counter of this object; returns the decremented value. More...

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object. More...
Static Public Member Functions inherited from Standard_Transient
static const char *	get_type_name ()
	Returns a type descriptor about this object. More...
static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class. More...

Detailed Description

Allows to calculate values and derivatives for offset curves in 3D.

Constructor & Destructor Documentation

GeomEvaluator_OffsetCurve::GeomEvaluator_OffsetCurve	(	const Handle< Geom_Curve > &	theBase,
		const Standard_Real	theOffset,
		const gp_Dir &	theDirection
	)

Initialize evaluator by curve.

GeomEvaluator_OffsetCurve::GeomEvaluator_OffsetCurve	(	const Handle< GeomAdaptor_HCurve > &	theBase,
		const Standard_Real	theOffset,
		const gp_Dir &	theDirection
	)

Initialize evaluator by curve adaptor.

Member Function Documentation

void GeomEvaluator_OffsetCurve::D0 ( const Standard_Real  theU, gp_Pnt &  theValue  ) const

overridevirtual

Value of curve.

Implements GeomEvaluator_Curve.

void GeomEvaluator_OffsetCurve::D1 ( const Standard_Real  theU, gp_Pnt &  theValue, gp_Vec &  theD1  ) const

overridevirtual

Value and first derivatives of curve.

Implements GeomEvaluator_Curve.

void GeomEvaluator_OffsetCurve::D2 ( const Standard_Real  theU, gp_Pnt &  theValue, gp_Vec &  theD1, gp_Vec &  theD2  ) const

overridevirtual

Value, first and second derivatives of curve.

Implements GeomEvaluator_Curve.

void GeomEvaluator_OffsetCurve::D3 ( const Standard_Real  theU, gp_Pnt &  theValue, gp_Vec &  theD1, gp_Vec &  theD2, gp_Vec &  theD3  ) const

overridevirtual

Value, first, second and third derivatives of curve.

Implements GeomEvaluator_Curve.

gp_Vec GeomEvaluator_OffsetCurve::DN ( const Standard_Real  theU, const Standard_Integer  theDeriv  ) const

overridevirtual

Calculates N-th derivatives of curve, where N = theDeriv. Raises if N < 1.

Implements GeomEvaluator_Curve.

void GeomEvaluator_OffsetCurve::SetOffsetDirection ( const gp_Dir &  theDirection )

inline

void GeomEvaluator_OffsetCurve::SetOffsetValue ( Standard_Real  theOffset )

inline

Change the offset value.

---

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

• GeomEvaluator_OffsetCurve.hxx