Open CASCADE Technology 6.6.0
Public Member Functions
Law_Linear Class Reference

Describes an linear evolution law.

#include <Law_Linear.hxx>

Inheritance diagram for Law_Linear:
Inheritance graph
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Public Member Functions

 Law_Linear ()
 Constructs an empty linear evolution law.

void Set (const Standard_Real Pdeb, const Standard_Real Valdeb, const Standard_Real Pfin, const Standard_Real Valfin)
 Defines this linear evolution law by assigning both:

GeomAbs_Shape Continuity () const
 Returns GeomAbs_CN

Standard_Integer NbIntervals (const GeomAbs_Shape S) const
 Returns 1

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 this 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 this
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 second 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.


Constructor & Destructor Documentation

Law_Linear::Law_Linear ( )

Member Function Documentation

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

Implements Law_Function.

GeomAbs_Shape Law_Linear::Continuity ( ) const [virtual]

Implements Law_Function.

void Law_Linear::D1 ( const Standard_Real  X,
Standard_Real F,
Standard_Real D 
) [virtual]

Implements Law_Function.

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

Implements Law_Function.

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

Implements Law_Function.

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

Implements Law_Function.

void Law_Linear::Set ( const Standard_Real  Pdeb,
const Standard_Real  Valdeb,
const Standard_Real  Pfin,
const Standard_Real  Valfin 
)
  • the bounds Pdeb and Pfin of the parameter, and
  • the values Valdeb and Valfin of the function at these
    two parametric bounds.
Handle_Law_Function Law_Linear::Trim ( const Standard_Real  PFirst,
const Standard_Real  PLast,
const Standard_Real  Tol 
) const [virtual]

Implements Law_Function.

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

Implements Law_Function.


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