Open CASCADE Technology  6.9.0
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_TrihedronLaw
Copy () const
 
void Init ()
 
virtual void SetCurve (const Handle< Adaptor3d_HCurve > &C)
 
virtual Standard_Boolean D0 (const Standard_Real Param, gp_Vec &Tangent, gp_Vec &Normal, gp_Vec &BiNormal)
 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)
 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)
 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
 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
 Stores in <T> the parameters bounding the intervals of continuity <S>. More...
 
virtual void GetAverageLaw (gp_Vec &ATangent, gp_Vec &ANormal, gp_Vec &ABiNormal)
 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
 Say if the law is Constant. More...
 
virtual Standard_Boolean IsOnlyBy3dCurve () const
 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
 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
Handle_Standard_Type & 
DynamicType () const
 Returns a type information object about this object. More...
 
Standard_Boolean IsInstance (const 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 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...
 
virtual Handle_Standard_Transient This () const
 Returns a Handle which references this object. Must never be called to objects created in stack. More...
 
Standard_Integer GetRefCount () const
 Get the reference counter of this object. More...
 

Additional Inherited Members

- 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
virtual

Implements GeomFill_TrihedronLaw.

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

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 
)
virtual

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 
)
virtual

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 
)
virtual

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
virtual

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
virtual

Say if the law is Constant.

Reimplemented from GeomFill_TrihedronLaw.

virtual Standard_Boolean GeomFill_DiscreteTrihedron::IsOnlyBy3dCurve ( ) const
virtual

Return True.

Reimplemented from GeomFill_TrihedronLaw.

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

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)
virtual

Reimplemented from GeomFill_TrihedronLaw.


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