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TKGeomAlgo
Law


Law_Linear Class Reference

Describes an linear evolution law.
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#include <Law_Linear.hxx>

Inheritance diagram for Law_Linear:

Inheritance graph
[legend]

Public Member Functions

Standard_EXPORT Law_Linear ()
 Constructs an empty linear evolution law.
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Standard_EXPORT 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:
- the bounds Pdeb and Pfin of the parameter, and
- the values Valdeb and Valfin of the function at these
two parametric bounds.
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Standard_EXPORT GeomAbs_Shape Continuity () const
 Returns GeomAbs_CN
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Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const
 Returns 1
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Standard_EXPORT 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()
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Standard_EXPORT Standard_Real Value (const Standard_Real X)
 Returns the value of this function at the point of parameter X.
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Standard_EXPORT 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.
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Standard_EXPORT 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.
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Standard_EXPORT 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.
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Standard_EXPORT void Bounds (Standard_Real &PFirst, Standard_Real &PLast)
 Returns the parametric bounds of the function.
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Standard_EXPORT const Handle (Standard_Type)&DynamicType() const

Private Attributes

Standard_Real valdeb
Standard_Real valfin
Standard_Real pdeb
Standard_Real pfin

Constructor & Destructor Documentation

Standard_EXPORT Law_Linear::Law_Linear  ) 
 


Member Function Documentation

Standard_EXPORT void Law_Linear::Bounds Standard_Real &  PFirst,
Standard_Real &  PLast
[virtual]
 

Implements Law_Function.

Standard_EXPORT GeomAbs_Shape Law_Linear::Continuity  )  const [virtual]
 

Implements Law_Function.

Standard_EXPORT void Law_Linear::D1 const Standard_Real  X,
Standard_Real &  F,
Standard_Real &  D
[virtual]
 

Implements Law_Function.

Standard_EXPORT void Law_Linear::D2 const Standard_Real  X,
Standard_Real &  F,
Standard_Real &  D,
Standard_Real &  D2
[virtual]
 

Implements Law_Function.

Standard_EXPORT const Law_Linear::Handle Standard_Type   )  const
 

Reimplemented from Law_Function.

Standard_EXPORT void Law_Linear::Intervals TColStd_Array1OfReal &  T,
const GeomAbs_Shape  S
const [virtual]
 

Implements Law_Function.

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

Implements Law_Function.

Standard_EXPORT void Law_Linear::Set const Standard_Real  Pdeb,
const Standard_Real  Valdeb,
const Standard_Real  Pfin,
const Standard_Real  Valfin
 

Standard_EXPORT Handle_Law_Function Law_Linear::Trim const Standard_Real  PFirst,
const Standard_Real  PLast,
const Standard_Real  Tol
const [virtual]
 

Implements Law_Function.

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

Implements Law_Function.


Field Documentation

Standard_Real Law_Linear::pdeb [private]
 

Standard_Real Law_Linear::pfin [private]
 

Standard_Real Law_Linear::valdeb [private]
 

Standard_Real Law_Linear::valfin [private]
 


The documentation for this class was generated from the following file:
Generated on Mon Aug 25 13:42:24 2008 for OpenCASCADE by  doxygen 1.4.1