Open CASCADE Technology  7.4.0
Public Member Functions

Geom2dEvaluator_OffsetCurve Class Reference

Allows to calculate values and derivatives for offset curves in 2D. More...

#include <Geom2dEvaluator_OffsetCurve.hxx>

Inheritance diagram for Geom2dEvaluator_OffsetCurve:
Inheritance graph
[legend]

Public Member Functions

 Geom2dEvaluator_OffsetCurve (const Handle< Geom2d_Curve > &theBase, const Standard_Real theOffset)
 Initialize evaluator by curve. More...
 
 Geom2dEvaluator_OffsetCurve (const Handle< Geom2dAdaptor_HCurve > &theBase, const Standard_Real theOffset)
 Initialize evaluator by curve adaptor. More...
 
void SetOffsetValue (Standard_Real theOffset)
 Change the offset value. More...
 
void D0 (const Standard_Real theU, gp_Pnt2d &theValue) const override
 Value of curve. More...
 
void D1 (const Standard_Real theU, gp_Pnt2d &theValue, gp_Vec2d &theD1) const override
 Value and first derivatives of curve. More...
 
void D2 (const Standard_Real theU, gp_Pnt2d &theValue, gp_Vec2d &theD1, gp_Vec2d &theD2) const override
 Value, first and second derivatives of curve. More...
 
void D3 (const Standard_Real theU, gp_Pnt2d &theValue, gp_Vec2d &theD1, gp_Vec2d &theD2, gp_Vec2d &theD3) const override
 Value, first, second and third derivatives of curve. More...
 
gp_Vec2d 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 Geom2dEvaluator_Curve
 Geom2dEvaluator_Curve ()
 
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor. More...
 
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing. More...
 
Standard_Transientoperator= (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_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. 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 2D.

Constructor & Destructor Documentation

◆ Geom2dEvaluator_OffsetCurve() [1/2]

Geom2dEvaluator_OffsetCurve::Geom2dEvaluator_OffsetCurve ( const Handle< Geom2d_Curve > &  theBase,
const Standard_Real  theOffset 
)

Initialize evaluator by curve.

◆ Geom2dEvaluator_OffsetCurve() [2/2]

Geom2dEvaluator_OffsetCurve::Geom2dEvaluator_OffsetCurve ( const Handle< Geom2dAdaptor_HCurve > &  theBase,
const Standard_Real  theOffset 
)

Initialize evaluator by curve adaptor.

Member Function Documentation

◆ D0()

void Geom2dEvaluator_OffsetCurve::D0 ( const Standard_Real  theU,
gp_Pnt2d theValue 
) const
overridevirtual

Value of curve.

Implements Geom2dEvaluator_Curve.

◆ D1()

void Geom2dEvaluator_OffsetCurve::D1 ( const Standard_Real  theU,
gp_Pnt2d theValue,
gp_Vec2d theD1 
) const
overridevirtual

Value and first derivatives of curve.

Implements Geom2dEvaluator_Curve.

◆ D2()

void Geom2dEvaluator_OffsetCurve::D2 ( const Standard_Real  theU,
gp_Pnt2d theValue,
gp_Vec2d theD1,
gp_Vec2d theD2 
) const
overridevirtual

Value, first and second derivatives of curve.

Implements Geom2dEvaluator_Curve.

◆ D3()

void Geom2dEvaluator_OffsetCurve::D3 ( const Standard_Real  theU,
gp_Pnt2d theValue,
gp_Vec2d theD1,
gp_Vec2d theD2,
gp_Vec2d theD3 
) const
overridevirtual

Value, first, second and third derivatives of curve.

Implements Geom2dEvaluator_Curve.

◆ DN()

gp_Vec2d Geom2dEvaluator_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 Geom2dEvaluator_Curve.

◆ SetOffsetValue()

void Geom2dEvaluator_OffsetCurve::SetOffsetValue ( Standard_Real  theOffset)
inline

Change the offset value.


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