Open CASCADE Technology Reference Manual 8.0.0
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Public Member Functions
Approx_CurvlinFunc Class Reference

defines an abstract curve with curvilinear parametrization More...

#include <Approx_CurvlinFunc.hxx>

Inheritance diagram for Approx_CurvlinFunc:
Inheritance graph
[legend]

Public Member Functions

 Approx_CurvlinFunc (const occ::handle< Adaptor3d_Curve > &C, const double Tol)
 
 Approx_CurvlinFunc (const occ::handle< Adaptor2d_Curve2d > &C2D, const occ::handle< Adaptor3d_Surface > &S, const double Tol)
 
 Approx_CurvlinFunc (const occ::handle< Adaptor2d_Curve2d > &C2D1, const occ::handle< Adaptor2d_Curve2d > &C2D2, const occ::handle< Adaptor3d_Surface > &S1, const occ::handle< Adaptor3d_Surface > &S2, const double Tol)
 
void SetTol (const double Tol)
 —Purpose Update the tolerance to used
 
double FirstParameter () const
 
double LastParameter () const
 
int NbIntervals (const GeomAbs_Shape S) const
 Returns the number of intervals for continuity . May be one if Continuity(me) >=
 
void Intervals (NCollection_Array1< double > &T, const GeomAbs_Shape S) const
 Stores in <T> the parameters bounding the intervals of continuity .
 
void Trim (const double First, const double Last, const double Tol)
 if First < 0 or Last > 1
 
void Length ()
 Computes length of the curve.
 
double Length (Adaptor3d_Curve &C, const double FirstU, const double LasrU) const
 Computes length of the curve segment.
 
double GetLength () const
 
double GetUParameter (Adaptor3d_Curve &C, const double S, const int NumberOfCurve) const
 returns original parameter corresponding S. if Case == 1 computation is performed on myC2D1 and mySurf1, otherwise it is done on myC2D2 and mySurf2.
 
double GetSParameter (const double U) const
 returns original parameter corresponding S.
 
bool EvalCase1 (const double S, const int Order, NCollection_Array1< double > &Result) const
 if myCase != 1
 
bool EvalCase2 (const double S, const int Order, NCollection_Array1< double > &Result) const
 if myCase != 2
 
bool EvalCase3 (const double S, const int Order, NCollection_Array1< double > &Result)
 if myCase != 3
 
- 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 ()=default
 Destructor must be virtual.
 
virtual const opencascade::handle< Standard_Type > & DynamicType () const
 Returns a type descriptor about this object.
 
bool IsInstance (const opencascade::handle< Standard_Type > &theType) const
 Returns a true value if this is an instance of Type.
 
bool IsInstance (const char *const theTypeName) const
 Returns a true value if this is an instance of TypeName.
 
bool 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.
 
bool IsKind (const char *const 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.
 
int GetRefCount () const noexcept
 Get the reference counter of this object.
 
void IncrementRefCounter () noexcept
 Increments the reference counter of this object. Uses relaxed memory ordering since incrementing only requires atomicity, not synchronization with other memory operations.
 
int DecrementRefCounter () noexcept
 Decrements the reference counter of this object; returns the decremented value. Uses release ordering for the decrement to ensure all writes to the object are visible before the count reaches zero. An acquire fence is added only when the count reaches zero, ensuring proper synchronization before deletion. This is more efficient than using acq_rel for every decrement.
 
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 charget_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.
 

Detailed Description

defines an abstract curve with curvilinear parametrization

Constructor & Destructor Documentation

◆ Approx_CurvlinFunc() [1/3]

Approx_CurvlinFunc::Approx_CurvlinFunc ( const occ::handle< Adaptor3d_Curve > & C,
const double Tol )

◆ Approx_CurvlinFunc() [2/3]

Approx_CurvlinFunc::Approx_CurvlinFunc ( const occ::handle< Adaptor2d_Curve2d > & C2D,
const occ::handle< Adaptor3d_Surface > & S,
const double Tol )

◆ Approx_CurvlinFunc() [3/3]

Approx_CurvlinFunc::Approx_CurvlinFunc ( const occ::handle< Adaptor2d_Curve2d > & C2D1,
const occ::handle< Adaptor2d_Curve2d > & C2D2,
const occ::handle< Adaptor3d_Surface > & S1,
const occ::handle< Adaptor3d_Surface > & S2,
const double Tol )

Member Function Documentation

◆ EvalCase1()

bool Approx_CurvlinFunc::EvalCase1 ( const double S,
const int Order,
NCollection_Array1< double > & Result ) const

if myCase != 1

◆ EvalCase2()

bool Approx_CurvlinFunc::EvalCase2 ( const double S,
const int Order,
NCollection_Array1< double > & Result ) const

if myCase != 2

◆ EvalCase3()

bool Approx_CurvlinFunc::EvalCase3 ( const double S,
const int Order,
NCollection_Array1< double > & Result )

if myCase != 3

◆ FirstParameter()

double Approx_CurvlinFunc::FirstParameter ( ) const

◆ GetLength()

double Approx_CurvlinFunc::GetLength ( ) const

◆ GetSParameter()

double Approx_CurvlinFunc::GetSParameter ( const double U) const

returns original parameter corresponding S.

◆ GetUParameter()

double Approx_CurvlinFunc::GetUParameter ( Adaptor3d_Curve & C,
const double S,
const int NumberOfCurve ) const

returns original parameter corresponding S. if Case == 1 computation is performed on myC2D1 and mySurf1, otherwise it is done on myC2D2 and mySurf2.

◆ Intervals()

void Approx_CurvlinFunc::Intervals ( NCollection_Array1< double > & T,
const GeomAbs_Shape S ) const

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()

◆ LastParameter()

double Approx_CurvlinFunc::LastParameter ( ) const

◆ Length() [1/2]

void Approx_CurvlinFunc::Length ( )

Computes length of the curve.

◆ Length() [2/2]

double Approx_CurvlinFunc::Length ( Adaptor3d_Curve & C,
const double FirstU,
const double LasrU ) const

Computes length of the curve segment.

◆ NbIntervals()

int Approx_CurvlinFunc::NbIntervals ( const GeomAbs_Shape S) const

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

◆ SetTol()

void Approx_CurvlinFunc::SetTol ( const double Tol)

—Purpose Update the tolerance to used

◆ Trim()

void Approx_CurvlinFunc::Trim ( const double First,
const double Last,
const double Tol )

if First < 0 or Last > 1


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