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// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _IGESGeom_BSplineCurve_HeaderFile
#define _IGESGeom_BSplineCurve_HeaderFile
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineHandle_HeaderFile
#include <Standard_DefineHandle.hxx>
#endif
#ifndef _Handle_IGESGeom_BSplineCurve_HeaderFile
#include <Handle_IGESGeom_BSplineCurve.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _Handle_TColStd_HArray1OfReal_HeaderFile
#include <Handle_TColStd_HArray1OfReal.hxx>
#endif
#ifndef _Handle_TColgp_HArray1OfXYZ_HeaderFile
#include <Handle_TColgp_HArray1OfXYZ.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _gp_XYZ_HeaderFile
#include <gp_XYZ.hxx>
#endif
#ifndef _IGESData_IGESEntity_HeaderFile
#include <IGESData_IGESEntity.hxx>
#endif
class TColStd_HArray1OfReal;
class TColgp_HArray1OfXYZ;
class Standard_DimensionMismatch;
class Standard_OutOfRange;
class gp_XYZ;
class gp_Pnt;
//! defines IGESBSplineCurve, Type <126> Form <0-5> <br>
//! in package IGESGeom <br>
//! A parametric equation obtained by dividing two summations <br>
//! involving weights (which are real numbers), the control <br>
//! points, and B-Spline basis functions <br>
class IGESGeom_BSplineCurve : public IGESData_IGESEntity {
public:
Standard_EXPORT IGESGeom_BSplineCurve();
//! This method is used to set the fields of the class <br>
//! BSplineCurve. Beware about indexation of arrays <br>
//! - anIndex : Upper index of the sum <br>
//! - aDegree : Degree of basis functions <br>
//! - aPlanar : 0 = nonplanar curve, 1 = planar curve <br>
//! - aClosed : 0 = open curve, 1 = closed curve <br>
//! - aPolynom : 0 = rational, 1 = polynomial <br>
//! - aPeriodic : 0 = nonperiodic, 1 = periodic <br>
//! - allKnots : Knot sequence values [-Degree,Index+1] <br>
//! - allWeights : Array of weights [0,Index] <br>
//! - allPoles : X, Y, Z coordinates of all control points <br>
//! [0,Index] <br>
//! - aUmin, aUmax : Starting and ending parameter values <br>
//! - aNorm : Unit normal (if the curve is planar) <br>
//! raises exception if allWeights & allPoles are not of same size. <br>
Standard_EXPORT void Init(const Standard_Integer anIndex,const Standard_Integer aDegree,const Standard_Boolean aPlanar,const Standard_Boolean aClosed,const Standard_Boolean aPolynom,const Standard_Boolean aPeriodic,const Handle(TColStd_HArray1OfReal)& allKnots,const Handle(TColStd_HArray1OfReal)& allWeights,const Handle(TColgp_HArray1OfXYZ)& allPoles,const Standard_Real aUmin,const Standard_Real aUmax,const gp_XYZ& aNorm) ;
//! Changes FormNumber (indicates the Shape of the Curve) <br>
//! Error if not in range [0-5] <br>
Standard_EXPORT void SetFormNumber(const Standard_Integer form) ;
//! returns the upper index of the sum (see Knots,Poles) <br>
Standard_EXPORT Standard_Integer UpperIndex() const;
//! returns the degree of basis functions <br>
Standard_EXPORT Standard_Integer Degree() const;
//! returns True if the curve is Planar, False if non-planar <br>
Standard_EXPORT Standard_Boolean IsPlanar() const;
//! returns True if the curve is closed, False if open <br>
Standard_EXPORT Standard_Boolean IsClosed() const;
//! returns True if the curve is polynomial, False if rational <br>
//! <flag> False (D) : computed from the list of weights <br>
//! (all must be equal) <br>
//! <flag> True : as recorded <br>
Standard_EXPORT Standard_Boolean IsPolynomial(const Standard_Boolean flag = Standard_False) const;
//! returns True if the curve is periodic, False otherwise <br>
Standard_EXPORT Standard_Boolean IsPeriodic() const;
//! returns the number of knots (i.e. Degree + UpperIndex + 2) <br>
Standard_EXPORT Standard_Integer NbKnots() const;
//! returns the knot referred to by anIndex, <br>
//! inside the range [-Degree,UpperIndex+1] <br>
//! raises exception if <br>
//! anIndex < -Degree() or anIndex > (NbKnots() - Degree()) <br>
//! Note : Knots are numbered from -Degree (not from 1) <br>
Standard_EXPORT Standard_Real Knot(const Standard_Integer anIndex) const;
//! returns number of poles (i.e. UpperIndex + 1) <br>
Standard_EXPORT Standard_Integer NbPoles() const;
//! returns the weight referred to by anIndex, in [0,UpperIndex] <br>
//! raises exception if anIndex < 0 or anIndex > UpperIndex() <br>
Standard_EXPORT Standard_Real Weight(const Standard_Integer anIndex) const;
//! returns the pole referred to by anIndex, in [0,UpperIndex] <br>
//! raises exception if anIndex < 0 or anIndex > UpperIndex() <br>
Standard_EXPORT gp_Pnt Pole(const Standard_Integer anIndex) const;
//! returns the anIndex'th pole after applying Transf. Matrix <br>
//! raises exception if an Index < 0 or an Index > UpperIndex() <br>
Standard_EXPORT gp_Pnt TransformedPole(const Standard_Integer anIndex) const;
//! returns starting parameter value <br>
Standard_EXPORT Standard_Real UMin() const;
//! returns ending parameter value <br>
Standard_EXPORT Standard_Real UMax() const;
//! if the curve is nonplanar then (0, 0, 0) is returned <br>
Standard_EXPORT gp_XYZ Normal() const;
DEFINE_STANDARD_RTTI(IGESGeom_BSplineCurve)
protected:
private:
Standard_Integer theIndex;
Standard_Integer theDegree;
Standard_Boolean isPlanar;
Standard_Boolean isClosed;
Standard_Boolean isPolynomial;
Standard_Boolean isPeriodic;
Handle_TColStd_HArray1OfReal theKnots;
Handle_TColStd_HArray1OfReal theWeights;
Handle_TColgp_HArray1OfXYZ thePoles;
Standard_Real theUmin;
Standard_Real theUmax;
gp_XYZ theNorm;
};
// other Inline functions and methods (like "C++: function call" methods)
#endif
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