Open CASCADE Technology 6.6.0
Public Member Functions
GeomFill_CircularBlendFunc Class Reference

Circular Blend Function to approximate by
SweepApproximation from Approx

#include <GeomFill_CircularBlendFunc.hxx>

Inheritance diagram for GeomFill_CircularBlendFunc:
Inheritance graph
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Public Member Functions

 GeomFill_CircularBlendFunc (const Handle< Adaptor3d_HCurve > &Path, const Handle< Adaptor3d_HCurve > &Curve1, const Handle< Adaptor3d_HCurve > &Curve2, const Standard_Real Radius, const Standard_Boolean Polynomial=Standard_False)
 Create a Blend with a constant radius with 2
guide-line. <FShape> sets the type of fillet
surface. The -- default value is Convert_TgtThetaOver2 (classical --
nurbs -- representation of circles).
ChFi3d_QuasiAngular -- corresponds to a nurbs
representation of circles -- which
parameterisation matches the circle one. --
ChFi3d_Polynomial corresponds to a polynomial --
representation of circles.

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)
 compute the section for v = param

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

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

virtual Standard_Integer Nb2dCurves () const
 get the number of 2d curves to approximate.

virtual void SectionShape (Standard_Integer &NbPoles, Standard_Integer &NbKnots, Standard_Integer &Degree) const
 get the format of an section

virtual void Knots (TColStd_Array1OfReal &TKnots) const
 get the Knots of the section

virtual void Mults (TColStd_Array1OfInteger &TMults) const
 get the Multplicities of the section

virtual Standard_Boolean IsRational () const
 Returns if the section is rationnal or not

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

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

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

virtual void GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, TColStd_Array1OfReal &Tol3d) const
 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.

virtual void SetTolerance (const Standard_Real Tol3d, const Standard_Real Tol2d)
 Is usfull, if (me) have to be run numerical
algorithme to perform D0, D1 or D2

virtual gp_Pnt BarycentreOfSurf () const
 Get the barycentre of Surface. An very poor
estimation is sufficent. This information is usefull
to perform well conditionned rational approximation.

virtual Standard_Real MaximalSection () const
 Returns the length of the maximum section. This
information is usefull to perform well conditionned rational
approximation.

virtual void GetMinimalWeight (TColStd_Array1OfReal &Weigths) const
 Compute the minimal value of weight for each poles
of all sections. This information is usefull to
perform well conditionned rational approximation.


Constructor & Destructor Documentation

GeomFill_CircularBlendFunc::GeomFill_CircularBlendFunc ( const Handle< Adaptor3d_HCurve > &  Path,
const Handle< Adaptor3d_HCurve > &  Curve1,
const Handle< Adaptor3d_HCurve > &  Curve2,
const Standard_Real  Radius,
const Standard_Boolean  Polynomial = Standard_False 
)

Member Function Documentation

virtual gp_Pnt GeomFill_CircularBlendFunc::BarycentreOfSurf ( ) const [virtual]

Reimplemented from Approx_SweepFunction.

virtual Standard_Boolean GeomFill_CircularBlendFunc::D0 ( const Standard_Real  Param,
const Standard_Real  First,
const Standard_Real  Last,
TColgp_Array1OfPnt Poles,
TColgp_Array1OfPnt2d Poles2d,
TColStd_Array1OfReal Weigths 
) [virtual]

Implements Approx_SweepFunction.

virtual Standard_Boolean GeomFill_CircularBlendFunc::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 
) [virtual]

Reimplemented from Approx_SweepFunction.

virtual Standard_Boolean GeomFill_CircularBlendFunc::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 
) [virtual]

Reimplemented from Approx_SweepFunction.

virtual void GeomFill_CircularBlendFunc::GetMinimalWeight ( TColStd_Array1OfReal Weigths) const [virtual]

Reimplemented from Approx_SweepFunction.

virtual void GeomFill_CircularBlendFunc::GetTolerance ( const Standard_Real  BoundTol,
const Standard_Real  SurfTol,
const Standard_Real  AngleTol,
TColStd_Array1OfReal Tol3d 
) const [virtual]

Implements Approx_SweepFunction.

virtual void GeomFill_CircularBlendFunc::Intervals ( TColStd_Array1OfReal T,
const GeomAbs_Shape  S 
) const [virtual]

Implements Approx_SweepFunction.

virtual Standard_Boolean GeomFill_CircularBlendFunc::IsRational ( ) const [virtual]

Implements Approx_SweepFunction.

virtual void GeomFill_CircularBlendFunc::Knots ( TColStd_Array1OfReal TKnots) const [virtual]

Implements Approx_SweepFunction.

virtual Standard_Real GeomFill_CircularBlendFunc::MaximalSection ( ) const [virtual]

Reimplemented from Approx_SweepFunction.

virtual void GeomFill_CircularBlendFunc::Mults ( TColStd_Array1OfInteger TMults) const [virtual]

Implements Approx_SweepFunction.

virtual Standard_Integer GeomFill_CircularBlendFunc::Nb2dCurves ( ) const [virtual]

Implements Approx_SweepFunction.

virtual Standard_Integer GeomFill_CircularBlendFunc::NbIntervals ( const GeomAbs_Shape  S) const [virtual]

Implements Approx_SweepFunction.

virtual void GeomFill_CircularBlendFunc::SectionShape ( Standard_Integer NbPoles,
Standard_Integer NbKnots,
Standard_Integer Degree 
) const [virtual]

Implements Approx_SweepFunction.

virtual void GeomFill_CircularBlendFunc::SetInterval ( const Standard_Real  First,
const Standard_Real  Last 
) [virtual]

Implements Approx_SweepFunction.

virtual void GeomFill_CircularBlendFunc::SetTolerance ( const Standard_Real  Tol3d,
const Standard_Real  Tol2d 
) [virtual]

Implements Approx_SweepFunction.


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