#include <IGESGeom_BSplineSurface.hxx>
Inheritance diagram for IGESGeom_BSplineSurface:
Public Member Functions | |
Standard_EXPORT | IGESGeom_BSplineSurface () |
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) |
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 | SetFormNumber (const Standard_Integer form) |
Changes FormNumber (indicates the Shape of the Surface) Error if not in range [0-9] . | |
Standard_EXPORT Standard_Integer | UpperIndexU () const |
returns the upper index of the first sum (U) | |
Standard_EXPORT Standard_Integer | UpperIndexV () const |
returns the upper index of the second sum (V) | |
Standard_EXPORT Standard_Integer | DegreeU () const |
returns degree of first set of basis functions | |
Standard_EXPORT Standard_Integer | DegreeV () const |
returns degree of second set of basis functions | |
Standard_EXPORT Standard_Boolean | IsClosedU () const |
True if closed in U direction else False . | |
Standard_EXPORT Standard_Boolean | IsClosedV () const |
True if closed in V direction else False . | |
Standard_EXPORT Standard_Boolean | IsPolynomial (const Standard_Boolean flag=Standard_False) const |
True if polynomial, False if rational <flag> False (D) : computed from Weights <flag> True : recorded . | |
Standard_EXPORT Standard_Boolean | IsPeriodicU () const |
True if periodic in U direction else False . | |
Standard_EXPORT Standard_Boolean | IsPeriodicV () const |
True if periodic in V direction else False . | |
Standard_EXPORT Standard_Integer | NbKnotsU () const |
returns number of knots in U direction KnotsU are numbered from -DegreeU | |
Standard_EXPORT Standard_Integer | NbKnotsV () const |
returns number of knots in V direction KnotsV are numbered from -DegreeV | |
Standard_EXPORT Standard_Real | KnotU (const Standard_Integer anIndex) 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 | KnotV (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_Integer | NbPolesU () const |
returns number of poles in U direction | |
Standard_EXPORT Standard_Integer | NbPolesV () const |
returns number of poles in V direction | |
Standard_EXPORT Standard_Real | Weight (const Standard_Integer anIndex1, const Standard_Integer anIndex2) 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 gp_Pnt | Pole (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 | TransformedPole (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 Standard_Real | UMin () const |
returns starting value in the U direction | |
Standard_EXPORT Standard_Real | UMax () const |
returns ending value in the U direction | |
Standard_EXPORT Standard_Real | VMin () const |
returns starting value in the V direction | |
Standard_EXPORT Standard_Real | VMax () const |
returns ending value in the V direction | |
Standard_EXPORT const | Handle (Standard_Type)&DynamicType() const |
Private Attributes | |
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 |
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Reimplemented from IGESData_IGESEntity. |
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