defined the function used by SweepApproximation to perform sweeping application. More...
#include <Approx_SweepFunction.hxx>
Public Member Functions | |
| virtual Standard_Boolean | D0 (const Standard_Real Param, const Standard_Real First, const Standard_Real Last, TColgp_Array1OfPnt &Poles, TColgp_Array1OfPnt2d &Poles2d, TColStd_Array1OfReal &Weigths)=0 |
| compute the section for v = param More... | |
| virtual Standard_Boolean | D1 (const Standard_Real Param, const Standard_Real First, const Standard_Real Last, TColgp_Array1OfPnt &Poles, TColgp_Array1OfVec &DPoles, TColgp_Array1OfPnt2d &Poles2d, TColgp_Array1OfVec2d &DPoles2d, TColStd_Array1OfReal &Weigths, TColStd_Array1OfReal &DWeigths) |
| compute the first derivative in v direction of the section for v = param Warning : It used only for C1 or C2 aproximation More... | |
| virtual Standard_Boolean | D2 (const Standard_Real Param, const Standard_Real First, const Standard_Real Last, TColgp_Array1OfPnt &Poles, TColgp_Array1OfVec &DPoles, TColgp_Array1OfVec &D2Poles, TColgp_Array1OfPnt2d &Poles2d, TColgp_Array1OfVec2d &DPoles2d, TColgp_Array1OfVec2d &D2Poles2d, TColStd_Array1OfReal &Weigths, TColStd_Array1OfReal &DWeigths, TColStd_Array1OfReal &D2Weigths) |
| compute the second derivative in v direction of the section for v = param Warning : It used only for C2 aproximation More... | |
| virtual Standard_Integer | Nb2dCurves () const =0 |
| get the number of 2d curves to approximate. More... | |
| virtual void | SectionShape (Standard_Integer &NbPoles, Standard_Integer &NbKnots, Standard_Integer &Degree) const =0 |
| get the format of an section More... | |
| virtual void | Knots (TColStd_Array1OfReal &TKnots) const =0 |
| get the Knots of the section More... | |
| virtual void | Mults (TColStd_Array1OfInteger &TMults) const =0 |
| get the Multplicities of the section More... | |
| virtual Standard_Boolean | IsRational () const =0 |
| Returns if the sections are rationnal or not. 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 fonction This determines the derivatives in these values if the function is not Cn. 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 | GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, TColStd_Array1OfReal &Tol3d) const =0 |
| Returns the tolerance to reach in approximation to satisfy. BoundTol error at the Boundary AngleTol tangent error at the Boundary (in radian) SurfTol error inside the surface. More... | |
| virtual void | SetTolerance (const Standard_Real Tol3d, const Standard_Real Tol2d)=0 |
| Is usefull, if (me) have to run numerical algorithm to perform D0, D1 or D2. More... | |
| virtual gp_Pnt | BarycentreOfSurf () const |
| Get the barycentre of Surface. An very poor estimation is sufficent. This information is usefull to perform well conditioned rational approximation. Warning: Used only if <me> IsRational. More... | |
| virtual Standard_Real | MaximalSection () const |
| Returns the length of the greater section. This information is usefull to G1's control. Warning: With an little value, approximation can be slower. More... | |
| virtual void | GetMinimalWeight (TColStd_Array1OfReal &Weigths) const |
| Compute the minimal value of weight for each poles in all sections. This information is usefull to control error in rational approximation. Warning: Used only if <me> IsRational. 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_Transient & | operator= (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_Transient * | This () 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
defined the function used by SweepApproximation to perform sweeping application.
Member Function Documentation
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virtual |
Get the barycentre of Surface. An very poor estimation is sufficent. This information is usefull to perform well conditioned rational approximation. Warning: Used only if <me> IsRational.
Reimplemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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pure virtual |
compute the section for v = param
Implemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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virtual |
compute the first derivative in v direction of the section for v = param Warning : It used only for C1 or C2 aproximation
Reimplemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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virtual |
compute the second derivative in v direction of the section for v = param Warning : It used only for C2 aproximation
Reimplemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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virtual |
Compute the minimal value of weight for each poles in all sections. This information is usefull to control error in rational approximation. Warning: Used only if <me> IsRational.
Reimplemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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pure virtual |
Returns the tolerance to reach in approximation to satisfy. BoundTol error at the Boundary AngleTol tangent error at the Boundary (in radian) SurfTol error inside the surface.
Implemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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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_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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pure virtual |
Returns if the sections are rationnal or not.
Implemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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pure virtual |
get the Knots of the section
Implemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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virtual |
Returns the length of the greater section. This information is usefull to G1's control. Warning: With an little value, approximation can be slower.
Reimplemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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pure virtual |
get the Multplicities of the section
Implemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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pure virtual |
get the number of 2d curves to approximate.
Implemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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pure virtual |
Returns the number of intervals for continuity <S>. May be one if Continuity(me) >= <S>
Implemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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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_SweepFunction, and BRepBlend_AppFuncRoot.
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pure virtual |
get the format of an section
Implemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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pure virtual |
Sets the bounds of the parametric interval on the fonction This determines the derivatives in these values if the function is not Cn.
Implemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
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pure virtual |
Is usefull, if (me) have to run numerical algorithm to perform D0, D1 or D2.
Implemented in GeomFill_CircularBlendFunc, GeomFill_SweepFunction, and BRepBlend_AppFuncRoot.
The documentation for this class was generated from the following file:
