Open CASCADE Technology
7.3.0
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Function to approximate by SweepApproximation from Approx. To bulid general sweep Surface. More...
#include <GeomFill_SweepFunction.hxx>
Public Member Functions | |
GeomFill_SweepFunction (const Handle< GeomFill_SectionLaw > &Section, const Handle< GeomFill_LocationLaw > &Location, const Standard_Real FirstParameter, const Standard_Real FirstParameterOnS, const Standard_Real RatioParameterOnS) | |
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) override |
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) override |
compute the first derivative in v direction of the section for v = param 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) override |
compute the second derivative in v direction of the section for v = param More... | |
virtual Standard_Integer | Nb2dCurves () const override |
get the number of 2d curves to approximate. More... | |
virtual void | SectionShape (Standard_Integer &NbPoles, Standard_Integer &NbKnots, Standard_Integer &Degree) const override |
get the format of an section More... | |
virtual void | Knots (TColStd_Array1OfReal &TKnots) const override |
get the Knots of the section More... | |
virtual void | Mults (TColStd_Array1OfInteger &TMults) const override |
get the Multplicities of the section More... | |
virtual Standard_Boolean | IsRational () const override |
Returns if the section is rationnal or not. 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 | SetInterval (const Standard_Real First, const Standard_Real Last) override |
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 | Resolution (const Standard_Integer Index, const Standard_Real Tol, Standard_Real &TolU, Standard_Real &TolV) const override |
Returns the resolutions in the sub-space 2d <Index> This information is usfull to find an good tolerance in 2d approximation. Warning: Used only if Nb2dCurve > 0. More... | |
virtual void | GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, TColStd_Array1OfReal &Tol3d) const override |
Returns the tolerance to reach in approximation to respecte 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) override |
Is usfull, if (me) have to be run numerical algorithme to perform D0, D1 or D2. More... | |
virtual gp_Pnt | BarycentreOfSurf () const override |
Get the barycentre of Surface. An very poor estimation is sufficent. This information is usefull to perform well conditionned rational approximation. Warning: Used only if <me> IsRational. More... | |
virtual Standard_Real | MaximalSection () const override |
Returns the length of the maximum section. This information is usefull to perform well conditionned rational approximation. More... | |
virtual void | GetMinimalWeight (TColStd_Array1OfReal &Weigths) const override |
Compute the minimal value of weight for each poles of all sections. This information is usefull to perform well conditionned rational approximation. Warning: Used only if <me> IsRational. 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 void | Delete () const |
Memory deallocator for transient classes. 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... | |
Function to approximate by SweepApproximation from Approx. To bulid general sweep Surface.
GeomFill_SweepFunction::GeomFill_SweepFunction | ( | const Handle< GeomFill_SectionLaw > & | Section, |
const Handle< GeomFill_LocationLaw > & | Location, | ||
const Standard_Real | FirstParameter, | ||
const Standard_Real | FirstParameterOnS, | ||
const Standard_Real | RatioParameterOnS | ||
) |
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overridevirtual |
Get the barycentre of Surface. An very poor estimation is sufficent. This information is usefull to perform well conditionned rational approximation. Warning: Used only if <me> IsRational.
Reimplemented from Approx_SweepFunction.
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overridevirtual |
compute the section for v = param
Implements Approx_SweepFunction.
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overridevirtual |
compute the first derivative in v direction of the section for v = param
Reimplemented from Approx_SweepFunction.
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overridevirtual |
compute the second derivative in v direction of the section for v = param
Reimplemented from Approx_SweepFunction.
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overridevirtual |
Compute the minimal value of weight for each poles of all sections. This information is usefull to perform well conditionned rational approximation. Warning: Used only if <me> IsRational.
Reimplemented from Approx_SweepFunction.
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overridevirtual |
Returns the tolerance to reach in approximation to respecte BoundTol error at the Boundary AngleTol tangent error at the Boundary (in radian) SurfTol error inside the surface.
Implements Approx_SweepFunction.
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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 Approx_SweepFunction.
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overridevirtual |
Returns if the section is rationnal or not.
Implements Approx_SweepFunction.
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overridevirtual |
get the Knots of the section
Implements Approx_SweepFunction.
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overridevirtual |
Returns the length of the maximum section. This information is usefull to perform well conditionned rational approximation.
Reimplemented from Approx_SweepFunction.
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overridevirtual |
get the Multplicities of the section
Implements Approx_SweepFunction.
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overridevirtual |
get the number of 2d curves to approximate.
Implements Approx_SweepFunction.
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overridevirtual |
Returns the number of intervals for continuity <S>. May be one if Continuity(me) >= <S>
Implements Approx_SweepFunction.
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overridevirtual |
Returns the resolutions in the sub-space 2d <Index> This information is usfull to find an good tolerance in 2d approximation. Warning: Used only if Nb2dCurve > 0.
Reimplemented from Approx_SweepFunction.
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overridevirtual |
get the format of an section
Implements Approx_SweepFunction.
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overridevirtual |
Sets the bounds of the parametric interval on the function This determines the derivatives in these values if the function is not Cn.
Implements Approx_SweepFunction.
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overridevirtual |
Is usfull, if (me) have to be run numerical algorithme to perform D0, D1 or D2.
Implements Approx_SweepFunction.