// 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_BSplineSurface_HeaderFile
#define _IGESGeom_BSplineSurface_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineHandle.hxx>
#include <Handle_IGESGeom_BSplineSurface.hxx>

#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
#include <Handle_TColStd_HArray1OfReal.hxx>
#include <Handle_TColStd_HArray2OfReal.hxx>
#include <Handle_TColgp_HArray2OfXYZ.hxx>
#include <Standard_Real.hxx>
#include <IGESData_IGESEntity.hxx>
class TColStd_HArray1OfReal;
class TColStd_HArray2OfReal;
class TColgp_HArray2OfXYZ;
class Standard_DimensionMismatch;
class Standard_OutOfRange;
class gp_Pnt;


//! defines IGESBSplineSurface, Type <128> Form <0-9>
//! in package IGESGeom
//! A parametric equation obtained by dividing two summations
//! involving weights (which are real numbers), the control
//! points, and B-Spline basis functions
class IGESGeom_BSplineSurface : public IGESData_IGESEntity
{

public:

  
  Standard_EXPORT IGESGeom_BSplineSurface();
  
  //! This method is used to set the fields of the class
  //! BSplineSurface
  //! - anIndexU             : Upper index of first sum
  //! - anIndexV             : Upper index of second sum
  //! - aDegU, aDegV         : Degrees of first and second sets
  //! of basis functions
  //! - aCloseU, aCloseV     : 1 = Closed in U, V directions
  //! 0 = open in U, V directions
  //! - aPolynom             : 0 = Rational, 1 = polynomial
  //! - aPeriodU, aPeriodV   : 0 = Non periodic in U or V direction
  //! 1 = Periodic in U or V direction
  //! - allKnotsU, allKnotsV : Knots in U and V directions
  //! - allWeights           : Array of weights
  //! - allPoles             : XYZ coordinates of all control points
  //! - aUmin                : Starting value of U direction
  //! - aUmax                : Ending value of U direction
  //! - aVmin                : Starting value of V direction
  //! - aVmax                : Ending value of V direction
  //! raises exception if allWeights & allPoles are not of same size.
  Standard_EXPORT   void Init (const Standard_Integer anIndexU, const Standard_Integer anIndexV, const Standard_Integer aDegU, const Standard_Integer aDegV, const Standard_Boolean aCloseU, const Standard_Boolean aCloseV, const Standard_Boolean aPolynom, const Standard_Boolean aPeriodU, const Standard_Boolean aPeriodV, const Handle(TColStd_HArray1OfReal)& allKnotsU, const Handle(TColStd_HArray1OfReal)& allKnotsV, const Handle(TColStd_HArray2OfReal)& allWeights, const Handle(TColgp_HArray2OfXYZ)& allPoles, const Standard_Real aUmin, const Standard_Real aUmax, const Standard_Real aVmin, const Standard_Real aVmax) ;
  
  //! Changes FormNumber (indicates the Shape of the Surface)
  //! Error if not in range [0-9]
  Standard_EXPORT   void SetFormNumber (const Standard_Integer form) ;
  
  //! returns the upper index of the first sum (U)
  Standard_EXPORT   Standard_Integer UpperIndexU()  const;
  
  //! returns the upper index of the second sum (V)
  Standard_EXPORT   Standard_Integer UpperIndexV()  const;
  
  //! returns degree of first set of basis functions
  Standard_EXPORT   Standard_Integer DegreeU()  const;
  
  //! returns degree of second set of basis functions
  Standard_EXPORT   Standard_Integer DegreeV()  const;
  
  //! True if closed in U direction else False
  Standard_EXPORT   Standard_Boolean IsClosedU()  const;
  
  //! True if closed in V direction else False
  Standard_EXPORT   Standard_Boolean IsClosedV()  const;
  
  //! True if polynomial, False if rational
  //! <flag> False (D) : computed from Weights
  //! <flag> True : recorded
  Standard_EXPORT   Standard_Boolean IsPolynomial (const Standard_Boolean flag = Standard_False)  const;
  
  //! True if periodic in U direction else False
  Standard_EXPORT   Standard_Boolean IsPeriodicU()  const;
  
  //! True if periodic in V direction else False
  Standard_EXPORT   Standard_Boolean IsPeriodicV()  const;
  
  //! returns number of knots in U direction
  //! KnotsU are numbered from -DegreeU
  Standard_EXPORT   Standard_Integer NbKnotsU()  const;
  
  //! returns number of knots in V direction
  //! KnotsV are numbered from -DegreeV
  Standard_EXPORT   Standard_Integer NbKnotsV()  const;
  
  //! returns the value of knot referred to by anIndex in U direction
  //! raises exception if
  //! anIndex < -DegreeU() or anIndex > (NbKnotsU() - DegreeU())
  Standard_EXPORT   Standard_Real KnotU (const Standard_Integer anIndex)  const;
  
  //! returns the value of knot referred to by anIndex in V direction
  //! raises exception if
  //! anIndex < -DegreeV() or anIndex > (NbKnotsV() - DegreeV())
  Standard_EXPORT   Standard_Real KnotV (const Standard_Integer anIndex)  const;
  
  //! returns number of poles in U direction
  Standard_EXPORT   Standard_Integer NbPolesU()  const;
  
  //! returns number of poles in V direction
  Standard_EXPORT   Standard_Integer NbPolesV()  const;
  
  //! returns the weight referred to by anIndex1, anIndex2
  //! raises exception if anIndex1 <= 0 or anIndex1 > NbPolesU()
  //! or if anIndex2 <= 0 or anIndex2 > NbPolesV()
  Standard_EXPORT   Standard_Real Weight (const Standard_Integer anIndex1, const Standard_Integer anIndex2)  const;
  
  //! returns the control point referenced by anIndex1, anIndex2
  //! raises exception if anIndex1 <= 0 or anIndex1 > NbPolesU()
  //! or if anIndex2 <= 0 or anIndex2 > NbPolesV()
  Standard_EXPORT   gp_Pnt Pole (const Standard_Integer anIndex1, const Standard_Integer anIndex2)  const;
  
  //! returns the control point referenced by anIndex1, anIndex2
  //! after applying the Transf.Matrix
  //! raises exception if anIndex1 <= 0 or anIndex1 > NbPolesU()
  //! or if anIndex2 <= 0 or anIndex2 > NbPolesV()
  Standard_EXPORT   gp_Pnt TransformedPole (const Standard_Integer anIndex1, const Standard_Integer anIndex2)  const;
  
  //! returns starting value in the U direction
  Standard_EXPORT   Standard_Real UMin()  const;
  
  //! returns ending value in the U direction
  Standard_EXPORT   Standard_Real UMax()  const;
  
  //! returns starting value in the V direction
  Standard_EXPORT   Standard_Real VMin()  const;
  
  //! returns ending value in the V direction
  Standard_EXPORT   Standard_Real VMax()  const;




  DEFINE_STANDARD_RTTI(IGESGeom_BSplineSurface)

protected:




private: 


  Standard_Integer theIndexU;
  Standard_Integer theIndexV;
  Standard_Integer theDegreeU;
  Standard_Integer theDegreeV;
  Standard_Boolean isClosedU;
  Standard_Boolean isClosedV;
  Standard_Boolean isPolynomial;
  Standard_Boolean isPeriodicU;
  Standard_Boolean isPeriodicV;
  Handle(TColStd_HArray1OfReal) theKnotsU;
  Handle(TColStd_HArray1OfReal) theKnotsV;
  Handle(TColStd_HArray2OfReal) theWeights;
  Handle(TColgp_HArray2OfXYZ) thePoles;
  Standard_Real theUmin;
  Standard_Real theUmax;
  Standard_Real theVmin;
  Standard_Real theVmax;


};







#endif // _IGESGeom_BSplineSurface_HeaderFile
