Open CASCADE Technology
7.0.0
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To define section law in sweeping. More...
#include <GeomFill_SectionLaw.hxx>
Public Member Functions | |
virtual Standard_Boolean | D0 (const Standard_Real Param, TColgp_Array1OfPnt &Poles, TColStd_Array1OfReal &Weigths)=0 |
compute the section for v = param More... | |
virtual Standard_Boolean | D1 (const Standard_Real Param, TColgp_Array1OfPnt &Poles, TColgp_Array1OfVec &DPoles, 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, TColgp_Array1OfPnt &Poles, TColgp_Array1OfVec &DPoles, TColgp_Array1OfVec &D2Poles, 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 Handle< Geom_BSplineSurface > | BSplineSurface () const |
give if possible an bspline Surface, like iso-v are the section. If it is not possible this methode have to get an Null Surface. It is the default implementation. 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_Boolean | IsUPeriodic () const =0 |
Returns if the sections are periodic or not. More... | |
virtual Standard_Boolean | IsVPeriodic () const =0 |
Returns if law is periodic 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 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 | GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, TColStd_Array1OfReal &Tol3d) const =0 |
Returns the tolerances associated at each poles 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) |
Is usefull, if (me) have to run numerical algorithm to perform D0, D1 or D2 The default implementation make nothing. 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 =0 |
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... | |
virtual Standard_Boolean | IsConstant (Standard_Real &Error) const |
Say if all sections are equals. More... | |
virtual Handle< Geom_Curve > | ConstantSection () const |
Return a copy of the constant Section, if me IsConstant. More... | |
virtual Standard_Boolean | IsConicalLaw (Standard_Real &Error) const |
Returns True if all section are circle, with same plane,same center and linear radius evolution Return False by Default. More... | |
virtual Handle< Geom_Curve > | CirclSection (const Standard_Real Param) const |
Return the circle section at parameter , if <me> a IsConicalLaw. More... | |
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virtual void | Delete () const override |
Memory deallocator for transient classes. More... | |
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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 | |
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typedef void | base_type |
Returns a type descriptor about this object. More... | |
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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... | |
To define section law in sweeping.
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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_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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give if possible an bspline Surface, like iso-v are the section. If it is not possible this methode have to get an Null Surface. It is the default implementation.
Reimplemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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Return the circle section at parameter , if <me> a IsConicalLaw.
Reimplemented in GeomFill_NSections.
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Return a copy of the constant Section, if me IsConstant.
Reimplemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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compute the section for v = param
Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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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_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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compute the second derivative in v direction of the section for v = param Warning : It used only for C2 aproximation
Reimplemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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Gets the bounds of the function parametric domain. Warning: This domain it is not modified by the SetValue method.
Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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Gets the bounds of the parametric interval on the function.
Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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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_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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Returns the tolerances associated at each poles 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_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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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_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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Returns True if all section are circle, with same plane,same center and linear radius evolution Return False by Default.
Reimplemented in GeomFill_NSections.
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Say if all sections are equals.
Reimplemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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Returns if the sections are rationnal or not.
Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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Returns if the sections are periodic or not.
Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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Returns if law is periodic or not.
Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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get the Knots of the section
Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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Returns the length of the greater section. This information is usefull to G1's control. Warning: With an little value, approximation can be slower.
Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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get the Multplicities of the section
Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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Returns the number of intervals for continuity <S>. May be one if Continuity(me) >= <S>
Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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get the format of an section
Implemented in GeomFill_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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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_NSections, GeomFill_EvolvedSection, and GeomFill_UniformSection.
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Is usefull, if (me) have to run numerical algorithm to perform D0, D1 or D2 The default implementation make nothing.