Open CASCADE Technology  7.3.0
GeomFill_LocationLaw Class Referenceabstract

To define location law in Sweeping location is – defined by an Matrix M and an Vector V, and transform an point P in MP+V. More...

`#include <GeomFill_LocationLaw.hxx>`

Inheritance diagram for GeomFill_LocationLaw:
[legend]

## Public Member Functions

virtual void SetCurve (const Handle< Adaptor3d_HCurve > &C)=0

virtual const Handle< Adaptor3d_HCurve > & GetCurve () const =0

virtual void SetTrsf (const gp_Mat &Transfo)=0
Set a transformation Matrix like the law M(t) become Mat * M(t) More...

virtual Handle< GeomFill_LocationLawCopy () const =0

virtual Standard_Boolean D0 (const Standard_Real Param, gp_Mat &M, gp_Vec &V)=0
compute Location More...

virtual Standard_Boolean D0 (const Standard_Real Param, gp_Mat &M, gp_Vec &V, TColgp_Array1OfPnt2d &Poles2d)=0
compute Location and 2d points More...

virtual Standard_Boolean D1 (const Standard_Real Param, gp_Mat &M, gp_Vec &V, gp_Mat &DM, gp_Vec &DV, TColgp_Array1OfPnt2d &Poles2d, TColgp_Array1OfVec2d &DPoles2d)
compute location 2d points and associated first derivatives. Warning : It used only for C1 or C2 aproximation More...

virtual Standard_Boolean D2 (const Standard_Real Param, gp_Mat &M, gp_Vec &V, gp_Mat &DM, gp_Vec &DV, gp_Mat &D2M, gp_Vec &D2V, TColgp_Array1OfPnt2d &Poles2d, TColgp_Array1OfVec2d &DPoles2d, TColgp_Array1OfVec2d &D2Poles2d)
compute location 2d points and associated first and seconde derivatives. Warning : It used only for C2 aproximation More...

Standard_Integer Nb2dCurves () const
get the number of 2d curves (Restrictions + Traces) to approximate. More...

virtual Standard_Boolean HasFirstRestriction () const
Say if the first restriction is defined in this class. If it is true the first element of poles array in D0,D1,D2... Correspond to this restriction. Returns Standard_False (default implementation) More...

virtual Standard_Boolean HasLastRestriction () const
Say if the last restriction is defined in this class. If it is true the last element of poles array in D0,D1,D2... Correspond to this restriction. Returns Standard_False (default implementation) More...

virtual Standard_Integer TraceNumber () const
Give the number of trace (Curves 2d wich are not restriction) Returns 0 (default implementation) More...

virtual GeomFill_PipeError ErrorStatus () const
Give a status to the Law Returns PipeOk (default implementation) More...

virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const =0
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 =0
Stores in <T> the parameters bounding the intervals of continuity <S>. More...

virtual void SetInterval (const Standard_Real First, const Standard_Real Last)=0
Sets the bounds of the parametric interval on the function This determines the derivatives in these values if the function is not Cn. More...

virtual void GetInterval (Standard_Real &First, Standard_Real &Last) const =0
Gets the bounds of the parametric interval on the function. More...

virtual void GetDomain (Standard_Real &First, Standard_Real &Last) const =0
Gets the bounds of the function parametric domain. Warning: This domain it is not modified by the SetValue method. More...

virtual void Resolution (const Standard_Integer Index, const Standard_Real Tol, Standard_Real &TolU, Standard_Real &TolV) const
Returns the resolutions in the sub-space 2d <Index> This information is usfull to find an good tolerance in 2d approximation. More...

virtual void SetTolerance (const Standard_Real Tol3d, const Standard_Real Tol2d)
Is usefull, if (me) have to run numerical algorithm to perform D0, D1 or D2 The default implementation make nothing. More...

virtual Standard_Real GetMaximalNorm ()=0
Get the maximum Norm of the matrix-location part. It is usful to find an good Tolerance to approx M(t). More...

virtual void GetAverageLaw (gp_Mat &AM, gp_Vec &AV)=0
Get average value of M(t) and V(t) it is usfull to make fast approximation of rational surfaces. More...

virtual Standard_Boolean IsTranslation (Standard_Real &Error) const
Say if the Location Law, is an translation of Location The default implementation is " returns False ". More...

virtual Standard_Boolean IsRotation (Standard_Real &Error) const
Say if the Location Law, is a rotation of Location The default implementation is " returns False ". More...

virtual void Rotation (gp_Pnt &Center) const

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

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

Static Public Member Functions inherited from Standard_Transient
static const char * get_type_name ()

static const opencascade::handle< Standard_Type > & get_type_descriptor ()
Returns type descriptor of Standard_Transient class. More...

## Detailed Description

To define location law in Sweeping location is – defined by an Matrix M and an Vector V, and transform an point P in MP+V.

## ◆ Copy()

 virtual Handle< GeomFill_LocationLaw > GeomFill_LocationLaw::Copy ( ) const
pure virtual

## ◆ D0() [1/2]

 virtual Standard_Boolean GeomFill_LocationLaw::D0 ( const Standard_Real Param, gp_Mat & M, gp_Vec & V )
pure virtual

## ◆ D0() [2/2]

 virtual Standard_Boolean GeomFill_LocationLaw::D0 ( const Standard_Real Param, gp_Mat & M, gp_Vec & V, TColgp_Array1OfPnt2d & Poles2d )
pure virtual

compute Location and 2d points

Implemented in GeomFill_LocationGuide, GeomFill_CurveAndTrihedron, and GeomFill_LocationDraft.

## ◆ D1()

 virtual Standard_Boolean GeomFill_LocationLaw::D1 ( const Standard_Real Param, gp_Mat & M, gp_Vec & V, gp_Mat & DM, gp_Vec & DV, TColgp_Array1OfPnt2d & Poles2d, TColgp_Array1OfVec2d & DPoles2d )
virtual

compute location 2d points and associated first derivatives. Warning : It used only for C1 or C2 aproximation

Reimplemented in GeomFill_LocationGuide, GeomFill_CurveAndTrihedron, and GeomFill_LocationDraft.

## ◆ D2()

 virtual Standard_Boolean GeomFill_LocationLaw::D2 ( const Standard_Real Param, gp_Mat & M, gp_Vec & V, gp_Mat & DM, gp_Vec & DV, gp_Mat & D2M, gp_Vec & D2V, TColgp_Array1OfPnt2d & Poles2d, TColgp_Array1OfVec2d & DPoles2d, TColgp_Array1OfVec2d & D2Poles2d )
virtual

compute location 2d points and associated first and seconde derivatives. Warning : It used only for C2 aproximation

Reimplemented in GeomFill_LocationGuide, GeomFill_CurveAndTrihedron, and GeomFill_LocationDraft.

## ◆ ErrorStatus()

 virtual GeomFill_PipeError GeomFill_LocationLaw::ErrorStatus ( ) const
virtual

Give a status to the Law Returns PipeOk (default implementation)

Reimplemented in GeomFill_LocationGuide.

## ◆ GetAverageLaw()

 virtual void GeomFill_LocationLaw::GetAverageLaw ( gp_Mat & AM, gp_Vec & AV )
pure virtual

Get average value of M(t) and V(t) it is usfull to make fast approximation of rational surfaces.

Implemented in GeomFill_LocationGuide, GeomFill_LocationDraft, and GeomFill_CurveAndTrihedron.

## ◆ GetCurve()

 virtual const Handle< Adaptor3d_HCurve >& GeomFill_LocationLaw::GetCurve ( ) const
pure virtual

## ◆ GetDomain()

 virtual void GeomFill_LocationLaw::GetDomain ( Standard_Real & First, Standard_Real & Last ) const
pure virtual

Gets the bounds of the function parametric domain. Warning: This domain it is not modified by the SetValue method.

Implemented in GeomFill_LocationGuide, GeomFill_LocationDraft, and GeomFill_CurveAndTrihedron.

## ◆ GetInterval()

 virtual void GeomFill_LocationLaw::GetInterval ( Standard_Real & First, Standard_Real & Last ) const
pure virtual

Gets the bounds of the parametric interval on the function.

Implemented in GeomFill_LocationGuide, GeomFill_LocationDraft, and GeomFill_CurveAndTrihedron.

## ◆ GetMaximalNorm()

 virtual Standard_Real GeomFill_LocationLaw::GetMaximalNorm ( )
pure virtual

Get the maximum Norm of the matrix-location part. It is usful to find an good Tolerance to approx M(t).

Implemented in GeomFill_LocationGuide, GeomFill_LocationDraft, and GeomFill_CurveAndTrihedron.

## ◆ HasFirstRestriction()

 virtual Standard_Boolean GeomFill_LocationLaw::HasFirstRestriction ( ) const
virtual

Say if the first restriction is defined in this class. If it is true the first element of poles array in D0,D1,D2... Correspond to this restriction. Returns Standard_False (default implementation)

Reimplemented in GeomFill_LocationGuide, and GeomFill_LocationDraft.

## ◆ HasLastRestriction()

 virtual Standard_Boolean GeomFill_LocationLaw::HasLastRestriction ( ) const
virtual

Say if the last restriction is defined in this class. If it is true the last element of poles array in D0,D1,D2... Correspond to this restriction. Returns Standard_False (default implementation)

Reimplemented in GeomFill_LocationGuide, and GeomFill_LocationDraft.

## ◆ Intervals()

 virtual void GeomFill_LocationLaw::Intervals ( TColStd_Array1OfReal & T, const GeomAbs_Shape S ) const
pure 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()

Implemented in GeomFill_LocationGuide, GeomFill_LocationDraft, and GeomFill_CurveAndTrihedron.

## ◆ IsRotation()

 virtual Standard_Boolean GeomFill_LocationLaw::IsRotation ( Standard_Real & Error ) const
virtual

Say if the Location Law, is a rotation of Location The default implementation is " returns False ".

Reimplemented in GeomFill_LocationGuide, GeomFill_LocationDraft, and GeomFill_CurveAndTrihedron.

## ◆ IsTranslation()

 virtual Standard_Boolean GeomFill_LocationLaw::IsTranslation ( Standard_Real & Error ) const
virtual

Say if the Location Law, is an translation of Location The default implementation is " returns False ".

Reimplemented in GeomFill_LocationGuide, GeomFill_LocationDraft, and GeomFill_CurveAndTrihedron.

## ◆ Nb2dCurves()

 Standard_Integer GeomFill_LocationLaw::Nb2dCurves ( ) const

get the number of 2d curves (Restrictions + Traces) to approximate.

## ◆ NbIntervals()

 virtual Standard_Integer GeomFill_LocationLaw::NbIntervals ( const GeomAbs_Shape S ) const
pure virtual

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

Implemented in GeomFill_LocationGuide, GeomFill_LocationDraft, and GeomFill_CurveAndTrihedron.

## ◆ Resolution()

 virtual void GeomFill_LocationLaw::Resolution ( const Standard_Integer Index, const Standard_Real Tol, Standard_Real & TolU, Standard_Real & TolV ) const
virtual

Returns the resolutions in the sub-space 2d <Index> This information is usfull to find an good tolerance in 2d approximation.

Reimplemented in GeomFill_LocationGuide, and GeomFill_LocationDraft.

## ◆ Rotation()

 virtual void GeomFill_LocationLaw::Rotation ( gp_Pnt & Center ) const
virtual

## ◆ SetCurve()

 virtual void GeomFill_LocationLaw::SetCurve ( const Handle< Adaptor3d_HCurve > & C )
pure virtual

## ◆ SetInterval()

 virtual void GeomFill_LocationLaw::SetInterval ( const Standard_Real First, const Standard_Real Last )
pure virtual

Sets the bounds of the parametric interval on the function This determines the derivatives in these values if the function is not Cn.

Implemented in GeomFill_LocationGuide, GeomFill_LocationDraft, and GeomFill_CurveAndTrihedron.

## ◆ SetTolerance()

 virtual void GeomFill_LocationLaw::SetTolerance ( const Standard_Real Tol3d, const Standard_Real Tol2d )
virtual

Is usefull, if (me) have to run numerical algorithm to perform D0, D1 or D2 The default implementation make nothing.

Reimplemented in GeomFill_LocationGuide.

## ◆ SetTrsf()

 virtual void GeomFill_LocationLaw::SetTrsf ( const gp_Mat & Transfo )
pure virtual

Set a transformation Matrix like the law M(t) become Mat * M(t)

Implemented in GeomFill_LocationGuide, GeomFill_CurveAndTrihedron, and GeomFill_LocationDraft.

## ◆ TraceNumber()

 virtual Standard_Integer GeomFill_LocationLaw::TraceNumber ( ) const
virtual

Give the number of trace (Curves 2d wich are not restriction) Returns 0 (default implementation)

Reimplemented in GeomFill_LocationGuide, and GeomFill_LocationDraft.

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