Open CASCADE Technology  7.0.0
Public Member Functions
GeomFill_DiscreteTrihedron Class Reference

Defined Discrete Trihedron Law. The requirement for path curve is only G1. The result is C0-continuous surface that can be later approximated to C1. More...

#include <GeomFill_DiscreteTrihedron.hxx>

Inheritance diagram for GeomFill_DiscreteTrihedron:
Inheritance graph
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Public Member Functions

 GeomFill_DiscreteTrihedron ()
 
virtual Handle< GeomFill_TrihedronLawCopy () const override
 
void Init ()
 
virtual void SetCurve (const Handle< Adaptor3d_HCurve > &C) override
 
virtual Standard_Boolean D0 (const Standard_Real Param, gp_Vec &Tangent, gp_Vec &Normal, gp_Vec &BiNormal) override
 compute Trihedron on curve at parameter More...
 
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 Trihedron and derivative Trihedron on curve at parameter Warning : It used only for C1 or C2 aproximation For the moment it returns null values for DTangent, DNormal and DBiNormal. More...
 
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 aproximation For the moment it returns null values for DTangent, DNormal DBiNormal, D2Tangent, D2Normal, D2BiNormal. More...
 
virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const override
 Returns the number of intervals for continuity <S>. May be one if Continuity(me) >= <S> More...
 
virtual void Intervals (TColStd_Array1OfReal &T, const GeomAbs_Shape S) const override
 Stores in <T> the parameters bounding the intervals of continuity <S>. More...
 
virtual void GetAverageLaw (gp_Vec &ATangent, gp_Vec &ANormal, gp_Vec &ABiNormal) override
 Get average value of Tangent(t) and Normal(t) it is usful to make fast approximation of rational surfaces. More...
 
virtual Standard_Boolean IsConstant () const override
 Say if the law is Constant. More...
 
virtual Standard_Boolean IsOnlyBy3dCurve () const override
 Return True. More...
 
- Public Member Functions inherited from GeomFill_TrihedronLaw
virtual GeomFill_PipeError ErrorStatus () const
 Give a status to the Law Returns PipeOk (default implementation) More...
 
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. More...
 
void GetInterval (Standard_Real &First, Standard_Real &Last)
 Gets the bounds of the parametric interval on the function. More...
 
- Public Member Functions inherited from MMgt_TShared
virtual void Delete () const override
 Memory deallocator for transient classes. More...
 
- 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 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...
 
- Protected Attributes inherited from GeomFill_TrihedronLaw
Handle< Adaptor3d_HCurvemyCurve
 
Handle< Adaptor3d_HCurvemyTrimmed
 

Detailed Description

Defined Discrete Trihedron Law. The requirement for path curve is only G1. The result is C0-continuous surface that can be later approximated to C1.

Constructor & Destructor Documentation

GeomFill_DiscreteTrihedron::GeomFill_DiscreteTrihedron ( )

Member Function Documentation

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

Implements GeomFill_TrihedronLaw.

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

compute Trihedron on curve at parameter

Implements GeomFill_TrihedronLaw.

virtual Standard_Boolean GeomFill_DiscreteTrihedron::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 Trihedron and derivative Trihedron on curve at parameter Warning : It used only for C1 or C2 aproximation For the moment it returns null values for DTangent, DNormal and DBiNormal.

Reimplemented from GeomFill_TrihedronLaw.

virtual Standard_Boolean GeomFill_DiscreteTrihedron::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 aproximation For the moment it returns null values for DTangent, DNormal DBiNormal, D2Tangent, D2Normal, D2BiNormal.

Reimplemented from GeomFill_TrihedronLaw.

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

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

Implements GeomFill_TrihedronLaw.

void GeomFill_DiscreteTrihedron::Init ( )
virtual void GeomFill_DiscreteTrihedron::Intervals ( TColStd_Array1OfReal T,
const GeomAbs_Shape  S 
) const
overridevirtual

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()

Implements GeomFill_TrihedronLaw.

virtual Standard_Boolean GeomFill_DiscreteTrihedron::IsConstant ( ) const
overridevirtual

Say if the law is Constant.

Reimplemented from GeomFill_TrihedronLaw.

virtual Standard_Boolean GeomFill_DiscreteTrihedron::IsOnlyBy3dCurve ( ) const
overridevirtual

Return True.

Reimplemented from GeomFill_TrihedronLaw.

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

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

Implements GeomFill_TrihedronLaw.

virtual void GeomFill_DiscreteTrihedron::SetCurve ( const Handle< Adaptor3d_HCurve > &  C)
overridevirtual

Reimplemented from GeomFill_TrihedronLaw.


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