Open CASCADE Technology  6.5.4
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GeomFill_SweepFunction Class Reference

Function to approximate by SweepApproximation from
Approx. To bulid general sweep Surface.

#include <GeomFill_SweepFunction.hxx>

Inheritance diagram for GeomFill_SweepFunction:
Inheritance graph
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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)
 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 function
This determines the derivatives in these values if the
function is not Cn.

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.
Warning: Used only if Nb2dCurve > 0

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.
Warning: Used only if <me> IsRational

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.
Warning: Used only if <me> IsRational


Constructor & Destructor Documentation

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 
)

Member Function Documentation

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

Reimplemented from Approx_SweepFunction.

Implements Approx_SweepFunction.

Reimplemented from Approx_SweepFunction.

virtual Standard_Boolean GeomFill_SweepFunction::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_SweepFunction::GetMinimalWeight ( TColStd_Array1OfReal Weigths) const [virtual]

Reimplemented from Approx_SweepFunction.

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

Implements Approx_SweepFunction.

Implements Approx_SweepFunction.

Implements Approx_SweepFunction.

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

Implements Approx_SweepFunction.

Reimplemented from Approx_SweepFunction.

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

Implements Approx_SweepFunction.

Implements Approx_SweepFunction.

Implements Approx_SweepFunction.

virtual void GeomFill_SweepFunction::Resolution ( const Standard_Integer  Index,
const Standard_Real  Tol,
Standard_Real TolU,
Standard_Real TolV 
) const [virtual]

Reimplemented from Approx_SweepFunction.

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

Implements Approx_SweepFunction.

Implements Approx_SweepFunction.

Implements Approx_SweepFunction.


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