Open CASCADE Technology 6.6.0
Public Member Functions
Law_BSpFunc Class Reference

Law Function based on a BSpline curve 1d. Package
methods and classes are implemented in package Law
to construct the basis curve with several
constraints.

#include <Law_BSpFunc.hxx>

Inheritance diagram for Law_BSpFunc:
Inheritance graph
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Public Member Functions

 Law_BSpFunc ()
 Law_BSpFunc (const Handle< Law_BSpline > &C, const Standard_Real First, const Standard_Real Last)
GeomAbs_Shape Continuity () const
Standard_Integer NbIntervals (const GeomAbs_Shape S) const
 Returns the number of intervals for continuity
<S>. May be one if Continuity(me) >= <S>

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()

Standard_Real Value (const Standard_Real X)
 Returns the value of the function at the point of parameter X.

void D1 (const Standard_Real X, Standard_Real &F, Standard_Real &D)
 Returns the value F and the first derivative D of the
function at the point of parameter X.

void D2 (const Standard_Real X, Standard_Real &F, Standard_Real &D, Standard_Real &D2)
 Returns the value, first and seconde derivatives
at parameter X.

Handle_Law_Function Trim (const Standard_Real PFirst, const Standard_Real PLast, const Standard_Real Tol) const
 Returns a law equivalent of <me> between
parameters <First> and <Last>. <Tol> is used to
test for 3d points confusion.
It is usfule to determines the derivatives
in these values <First> and <Last> if
the Law is not Cn.

void Bounds (Standard_Real &PFirst, Standard_Real &PLast)
 Returns the parametric bounds of the function.

Handle_Law_BSpline Curve () const
void SetCurve (const Handle< Law_BSpline > &C)

Constructor & Destructor Documentation

Law_BSpFunc::Law_BSpFunc ( )
Law_BSpFunc::Law_BSpFunc ( const Handle< Law_BSpline > &  C,
const Standard_Real  First,
const Standard_Real  Last 
)

Member Function Documentation

void Law_BSpFunc::Bounds ( Standard_Real PFirst,
Standard_Real PLast 
) [virtual]

Implements Law_Function.

GeomAbs_Shape Law_BSpFunc::Continuity ( ) const [virtual]

Implements Law_Function.

Handle_Law_BSpline Law_BSpFunc::Curve ( ) const
void Law_BSpFunc::D1 ( const Standard_Real  X,
Standard_Real F,
Standard_Real D 
) [virtual]

Implements Law_Function.

void Law_BSpFunc::D2 ( const Standard_Real  X,
Standard_Real F,
Standard_Real D,
Standard_Real D2 
) [virtual]

Implements Law_Function.

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

Implements Law_Function.

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

Implements Law_Function.

void Law_BSpFunc::SetCurve ( const Handle< Law_BSpline > &  C)
Handle_Law_Function Law_BSpFunc::Trim ( const Standard_Real  PFirst,
const Standard_Real  PLast,
const Standard_Real  Tol 
) const [virtual]

Implements Law_Function.

Standard_Real Law_BSpFunc::Value ( const Standard_Real  X) [virtual]

Implements Law_Function.


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