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IGESGeom


IGESGeom_SplineCurve Class Reference

Defines IGESSplineCurve, Type <112> Form <0>
in package IGESGeom
The parametric spline is a sequence of parametric
polynomial segments. The curve could be of the type
Linear, Quadratic, Cubic, Wilson-Fowler, Modified
Wilson-Fowler, B-Spline. The N polynomial segments
are delimited by the break points T(1), T(2), T(3),
..., T(N+1).
.

#include <IGESGeom_SplineCurve.hxx>

Inheritance diagram for IGESGeom_SplineCurve:

Inheritance graph
[legend]

Public Member Functions

Standard_EXPORT IGESGeom_SplineCurve ()
Standard_EXPORT void Init (const Standard_Integer aType, const Standard_Integer aDegree, const Standard_Integer nbDimensions, const Handle(TColStd_HArray1OfReal)&allBreakPoints, const Handle(TColStd_HArray2OfReal)&allXPolynomials, const Handle(TColStd_HArray2OfReal)&allYPolynomials, const Handle(TColStd_HArray2OfReal)&allZPolynomials, const Handle(TColStd_HArray1OfReal)&allXvalues, const Handle(TColStd_HArray1OfReal)&allYvalues, const Handle(TColStd_HArray1OfReal)&allZvalues)
 This method is used to set the fields of the class
SplineCurve
- aType : Spline Type
1 = Linear
2 = Quadratic
3 = Cubic
4 = Wilson-Fowler
5 = Modified Wilson-Fowler
6 = B Spline
- aDegree : Degree of continuity w.r.t. arc length
- nbDimensions : Number of dimensions
2 = Planar
3 = Non-planar
- allBreakPoints : Array of break points
- allXPolynomials : X coordinate polynomials of segments
- allYPolynomials : Y coordinate polynomials of segments
- allZPolynomials : Z coordinate polynomials of segments
- allXValues : Values of 1st, 2nd, 3rd derivatives of
X polynomials at the terminate point
and values of X at terminate point
- allYValues : Values of 1st, 2nd, 3rd derivatives of
Y polynomials at the terminate point
and values of Y at terminate point
- allZvalues : Values of 1st, 2nd, 3rd derivatives of
Z polynomials at the terminate point
and values of Z at terminate point
raises exception if allXPolynomials, allYPolynomials
& allZPolynomials are not of same size OR allXValues, allYValues
& allZValues are not of size 4
.
Standard_EXPORT Standard_Integer SplineType () const
 returns the type of Spline curve

Standard_EXPORT Standard_Integer Degree () const
 returns the degree of the curve

Standard_EXPORT Standard_Integer NbDimensions () const
 returns the number of dimensions
2 = Planar
3 = Non-planar

Standard_EXPORT Standard_Integer NbSegments () const
 returns the number of segments

Standard_EXPORT Standard_Real BreakPoint (const Standard_Integer Index) const
 returns breakpoint of piecewise polynomial
raises exception if Index <= 0 or Index > NbSegments() + 1

Standard_EXPORT void XCoordPolynomial (const Standard_Integer Index, Standard_Real &AX, Standard_Real &BX, Standard_Real &CX, Standard_Real &DX) const
 returns X coordinate polynomial for segment referred to by Index
raises exception if Index <= 0 or Index > NbSegments()

Standard_EXPORT void YCoordPolynomial (const Standard_Integer Index, Standard_Real &AY, Standard_Real &BY, Standard_Real &CY, Standard_Real &DY) const
 returns Y coordinate polynomial for segment referred to by Index
raises exception if Index <= 0 or Index > NbSegments()

Standard_EXPORT void ZCoordPolynomial (const Standard_Integer Index, Standard_Real &AZ, Standard_Real &BZ, Standard_Real &CZ, Standard_Real &DZ) const
 returns Z coordinate polynomial for segment referred to by Index
raises exception if Index <= 0 or Index > NbSegments()

Standard_EXPORT void XValues (Standard_Real &TPX0, Standard_Real &TPX1, Standard_Real &TPX2, Standard_Real &TPX3) const
 returns the value of X polynomial, the values of 1st, 2nd and
3rd derivatives of the X polynomial at the terminate point

Standard_EXPORT void YValues (Standard_Real &TPY0, Standard_Real &TPY1, Standard_Real &TPY2, Standard_Real &TPY3) const
 returns the value of Y polynomial, the values of 1st, 2nd and
3rd derivatives of the Y polynomial at the termminate point

Standard_EXPORT void ZValues (Standard_Real &TPZ0, Standard_Real &TPZ1, Standard_Real &TPZ2, Standard_Real &TPZ3) const
 returns the value of Z polynomial, the values of 1st, 2nd and
3rd derivatives of the Z polynomial at the termminate point

Standard_EXPORT const Handle (Standard_Type)&DynamicType() const

Private Attributes

Standard_Integer theType
Standard_Integer theDegree
Standard_Integer theNbDimensions
Handle_TColStd_HArray1OfReal theBreakPoints
Handle_TColStd_HArray2OfReal theXCoordsPolynomial
Handle_TColStd_HArray2OfReal theYCoordsPolynomial
Handle_TColStd_HArray2OfReal theZCoordsPolynomial
Handle_TColStd_HArray1OfReal theXvalues
Handle_TColStd_HArray1OfReal theYvalues
Handle_TColStd_HArray1OfReal theZvalues

Constructor & Destructor Documentation

Standard_EXPORT IGESGeom_SplineCurve::IGESGeom_SplineCurve  ) 
 


Member Function Documentation

Standard_EXPORT Standard_Real IGESGeom_SplineCurve::BreakPoint const Standard_Integer  Index  )  const
 

Standard_EXPORT Standard_Integer IGESGeom_SplineCurve::Degree  )  const
 

Standard_EXPORT const IGESGeom_SplineCurve::Handle Standard_Type   )  const
 

Reimplemented from IGESData_IGESEntity.

Standard_EXPORT void IGESGeom_SplineCurve::Init const Standard_Integer  aType,
const Standard_Integer  aDegree,
const Standard_Integer  nbDimensions,
const Handle(TColStd_HArray1OfReal)&  allBreakPoints,
const Handle(TColStd_HArray2OfReal)&  allXPolynomials,
const Handle(TColStd_HArray2OfReal)&  allYPolynomials,
const Handle(TColStd_HArray2OfReal)&  allZPolynomials,
const Handle(TColStd_HArray1OfReal)&  allXvalues,
const Handle(TColStd_HArray1OfReal)&  allYvalues,
const Handle(TColStd_HArray1OfReal)&  allZvalues
 

Standard_EXPORT Standard_Integer IGESGeom_SplineCurve::NbDimensions  )  const
 

Standard_EXPORT Standard_Integer IGESGeom_SplineCurve::NbSegments  )  const
 

Standard_EXPORT Standard_Integer IGESGeom_SplineCurve::SplineType  )  const
 

Standard_EXPORT void IGESGeom_SplineCurve::XCoordPolynomial const Standard_Integer  Index,
Standard_Real &  AX,
Standard_Real &  BX,
Standard_Real &  CX,
Standard_Real &  DX
const
 

Standard_EXPORT void IGESGeom_SplineCurve::XValues Standard_Real &  TPX0,
Standard_Real &  TPX1,
Standard_Real &  TPX2,
Standard_Real &  TPX3
const
 

Standard_EXPORT void IGESGeom_SplineCurve::YCoordPolynomial const Standard_Integer  Index,
Standard_Real &  AY,
Standard_Real &  BY,
Standard_Real &  CY,
Standard_Real &  DY
const
 

Standard_EXPORT void IGESGeom_SplineCurve::YValues Standard_Real &  TPY0,
Standard_Real &  TPY1,
Standard_Real &  TPY2,
Standard_Real &  TPY3
const
 

Standard_EXPORT void IGESGeom_SplineCurve::ZCoordPolynomial const Standard_Integer  Index,
Standard_Real &  AZ,
Standard_Real &  BZ,
Standard_Real &  CZ,
Standard_Real &  DZ
const
 

Standard_EXPORT void IGESGeom_SplineCurve::ZValues Standard_Real &  TPZ0,
Standard_Real &  TPZ1,
Standard_Real &  TPZ2,
Standard_Real &  TPZ3
const
 


Field Documentation

Handle_TColStd_HArray1OfReal IGESGeom_SplineCurve::theBreakPoints [private]
 

Standard_Integer IGESGeom_SplineCurve::theDegree [private]
 

Standard_Integer IGESGeom_SplineCurve::theNbDimensions [private]
 

Standard_Integer IGESGeom_SplineCurve::theType [private]
 

Reimplemented from IGESData_IGESEntity.

Handle_TColStd_HArray2OfReal IGESGeom_SplineCurve::theXCoordsPolynomial [private]
 

Handle_TColStd_HArray1OfReal IGESGeom_SplineCurve::theXvalues [private]
 

Handle_TColStd_HArray2OfReal IGESGeom_SplineCurve::theYCoordsPolynomial [private]
 

Handle_TColStd_HArray1OfReal IGESGeom_SplineCurve::theYvalues [private]
 

Handle_TColStd_HArray2OfReal IGESGeom_SplineCurve::theZCoordsPolynomial [private]
 

Handle_TColStd_HArray1OfReal IGESGeom_SplineCurve::theZvalues [private]
 


The documentation for this class was generated from the following file:
Generated on Mon Aug 25 14:40:53 2008 for OpenCASCADE by  doxygen 1.4.1