Convert_ElementarySurfaceToBSplineSurface Class Reference

Root class for algorithms which convert an elementary surface (cylinder, cone, sphere or torus) into a BSpline surface. These algorithms all work on elementary surfaces from the gp package and compute all the data needed to construct a BSpline surface equivalent to the cylinder, cone, sphere or torus. More...

#include <Convert_ElementarySurfaceToBSplineSurface.hxx>

Inheritance diagram for Convert_ElementarySurfaceToBSplineSurface:

Public Member Functions
int	UDegree () const
	Returns the degree in the U parametric direction.
int	VDegree () const
	Returns the degree in the V parametric direction.
int	NbUPoles () const
	Returns the number of poles in the U parametric direction.
int	NbVPoles () const
	Returns the number of poles in the V parametric direction.
int	NbUKnots () const
	Returns the number of knots in the U parametric direction.
int	NbVKnots () const
	Returns the number of knots in the V parametric direction.
bool	IsUPeriodic () const
	Returns true if the surface is periodic in the U parametric direction.
bool	IsVPeriodic () const
	Returns true if the surface is periodic in the V parametric direction.
gp_Pnt	Pole (const int UIndex, const int VIndex) const
	Returns the pole of index (UIndex, VIndex).
double	Weight (const int UIndex, const int VIndex) const
	Returns the weight of the pole of index (UIndex, VIndex).
double	UKnot (const int UIndex) const
	Returns the U-knot of range UIndex.
double	VKnot (const int VIndex) const
	Returns the V-knot of range VIndex.
int	UMultiplicity (const int UIndex) const
	Returns the multiplicity of the U-knot of range UIndex.
int	VMultiplicity (const int VIndex) const
	Returns the multiplicity of the V-knot of range VIndex.
const NCollection_Array2< gp_Pnt > &	Poles () const
	Returns the poles of the BSpline surface.
const NCollection_Array2< double > &	Weights () const
	Returns the weights of the BSpline surface.
const NCollection_Array1< double > &	UKnots () const
	Returns the U-knots of the BSpline surface.
const NCollection_Array1< double > &	VKnots () const
	Returns the V-knots of the BSpline surface.
const NCollection_Array1< int > &	UMultiplicities () const
	Returns the U-multiplicities of the BSpline surface.
const NCollection_Array1< int > &	VMultiplicities () const
	Returns the V-multiplicities of the BSpline surface.

Protected Member Functions
	Convert_ElementarySurfaceToBSplineSurface (const int theNbUPoles, const int theNbVPoles, const int theNbUKnots, const int theNbVKnots, const int theUDegree, const int theVDegree)
void	Finalize ()
	Resizes internal arrays (poles, weights, knots, multiplicities) to match the actual sizes stored in myNbUPoles, myNbVPoles, myNbUKnots, and myNbVKnots. This is intended to be called at the end of derived class constructors when the base class constructor allocates arrays with maximum possible sizes but the derived constructor uses fewer elements.

Protected Attributes
NCollection_Array2< gp_Pnt >	myPoles
NCollection_Array2< double >	myWeights
NCollection_Array1< double >	myUKnots
NCollection_Array1< double >	myVKnots
NCollection_Array1< int >	myUMults
NCollection_Array1< int >	myVMults
int	myUDegree = 0
int	myVDegree = 0
bool	myIsUPeriodic = false
bool	myIsVPeriodic = false
int	myNbUPoles
int	myNbVPoles
int	myNbUKnots
int	myNbVKnots

Detailed Description

Root class for algorithms which convert an elementary surface (cylinder, cone, sphere or torus) into a BSpline surface. These algorithms all work on elementary surfaces from the gp package and compute all the data needed to construct a BSpline surface equivalent to the cylinder, cone, sphere or torus.

Constructor & Destructor Documentation

Convert_ElementarySurfaceToBSplineSurface()

Convert_ElementarySurfaceToBSplineSurface::Convert_ElementarySurfaceToBSplineSurface ( const int theNbUPoles, const int theNbVPoles, const int theNbUKnots, const int theNbVKnots, const int theUDegree, const int theVDegree )

protected

Member Function Documentation

Finalize()

void Convert_ElementarySurfaceToBSplineSurface::Finalize ( )

protected

Resizes internal arrays (poles, weights, knots, multiplicities) to match the actual sizes stored in myNbUPoles, myNbVPoles, myNbUKnots, and myNbVKnots. This is intended to be called at the end of derived class constructors when the base class constructor allocates arrays with maximum possible sizes but the derived constructor uses fewer elements.

IsUPeriodic()

bool Convert_ElementarySurfaceToBSplineSurface::IsUPeriodic ( ) const

nodiscard

Returns true if the surface is periodic in the U parametric direction.

IsVPeriodic()

bool Convert_ElementarySurfaceToBSplineSurface::IsVPeriodic ( ) const

nodiscard

Returns true if the surface is periodic in the V parametric direction.

NbUKnots()

int Convert_ElementarySurfaceToBSplineSurface::NbUKnots ( ) const

nodiscard

Returns the number of knots in the U parametric direction.

NbUPoles()

int Convert_ElementarySurfaceToBSplineSurface::NbUPoles ( ) const

nodiscard

Returns the number of poles in the U parametric direction.

NbVKnots()

int Convert_ElementarySurfaceToBSplineSurface::NbVKnots ( ) const

nodiscard

Returns the number of knots in the V parametric direction.

NbVPoles()

int Convert_ElementarySurfaceToBSplineSurface::NbVPoles ( ) const

nodiscard

Returns the number of poles in the V parametric direction.

Pole()

gp_Pnt Convert_ElementarySurfaceToBSplineSurface::Pole	(	const int	UIndex,
		const int	VIndex ) const

Returns the pole of index (UIndex, VIndex).

Exceptions

Standard_OutOfRange

if indices are out of bounds

Deprecated

("Use Poles() batch accessor instead")

Poles()

const NCollection_Array2< gp_Pnt > & Convert_ElementarySurfaceToBSplineSurface::Poles ( ) const

nodiscard

Returns the poles of the BSpline surface.

UDegree()

int Convert_ElementarySurfaceToBSplineSurface::UDegree ( ) const

nodiscard

Returns the degree in the U parametric direction.

UKnot()

double Convert_ElementarySurfaceToBSplineSurface::UKnot

(

const int

UIndex

)

const

Returns the U-knot of range UIndex.

Exceptions

Standard_OutOfRange

if UIndex is out of bounds

Deprecated

("Use UKnots() batch accessor instead")

UKnots()

const NCollection_Array1< double > & Convert_ElementarySurfaceToBSplineSurface::UKnots ( ) const

nodiscard

Returns the U-knots of the BSpline surface.

UMultiplicities()

const NCollection_Array1< int > & Convert_ElementarySurfaceToBSplineSurface::UMultiplicities ( ) const

nodiscard

Returns the U-multiplicities of the BSpline surface.

UMultiplicity()

int Convert_ElementarySurfaceToBSplineSurface::UMultiplicity

(

const int

UIndex

)

const

Returns the multiplicity of the U-knot of range UIndex.

Exceptions

Standard_OutOfRange

if UIndex is out of bounds

Deprecated

("Use UMultiplicities() batch accessor instead")

VDegree()

int Convert_ElementarySurfaceToBSplineSurface::VDegree ( ) const

nodiscard

Returns the degree in the V parametric direction.

VKnot()

double Convert_ElementarySurfaceToBSplineSurface::VKnot

(

const int

VIndex

)

const

Returns the V-knot of range VIndex.

Exceptions

Standard_OutOfRange

if VIndex is out of bounds

Deprecated

("Use VKnots() batch accessor instead")

VKnots()

const NCollection_Array1< double > & Convert_ElementarySurfaceToBSplineSurface::VKnots ( ) const

nodiscard

Returns the V-knots of the BSpline surface.

VMultiplicities()

const NCollection_Array1< int > & Convert_ElementarySurfaceToBSplineSurface::VMultiplicities ( ) const

nodiscard

Returns the V-multiplicities of the BSpline surface.

VMultiplicity()

int Convert_ElementarySurfaceToBSplineSurface::VMultiplicity

(

const int

VIndex

)

const

Returns the multiplicity of the V-knot of range VIndex.

Exceptions

Standard_OutOfRange

if VIndex is out of bounds

Deprecated

("Use VMultiplicities() batch accessor instead")

Weight()

double Convert_ElementarySurfaceToBSplineSurface::Weight	(	const int	UIndex,
		const int	VIndex ) const

Returns the weight of the pole of index (UIndex, VIndex).

Exceptions

Standard_OutOfRange

if indices are out of bounds

Deprecated

("Use Weights() batch accessor instead")

Weights()

const NCollection_Array2< double > & Convert_ElementarySurfaceToBSplineSurface::Weights ( ) const

nodiscard

Returns the weights of the BSpline surface.

Field Documentation

myIsUPeriodic

bool Convert_ElementarySurfaceToBSplineSurface::myIsUPeriodic = false

protected

myIsVPeriodic

bool Convert_ElementarySurfaceToBSplineSurface::myIsVPeriodic = false

protected

myNbUKnots

int Convert_ElementarySurfaceToBSplineSurface::myNbUKnots

protected

myNbUPoles

int Convert_ElementarySurfaceToBSplineSurface::myNbUPoles

protected

myNbVKnots

int Convert_ElementarySurfaceToBSplineSurface::myNbVKnots

protected

myNbVPoles

int Convert_ElementarySurfaceToBSplineSurface::myNbVPoles

protected

myPoles

NCollection_Array2<gp_Pnt> Convert_ElementarySurfaceToBSplineSurface::myPoles

protected

myUDegree

int Convert_ElementarySurfaceToBSplineSurface::myUDegree = 0

protected

myUKnots

NCollection_Array1<double> Convert_ElementarySurfaceToBSplineSurface::myUKnots

protected

myUMults

NCollection_Array1<int> Convert_ElementarySurfaceToBSplineSurface::myUMults

protected

myVDegree

int Convert_ElementarySurfaceToBSplineSurface::myVDegree = 0

protected

myVKnots

NCollection_Array1<double> Convert_ElementarySurfaceToBSplineSurface::myVKnots

protected

myVMults

NCollection_Array1<int> Convert_ElementarySurfaceToBSplineSurface::myVMults

protected

myWeights

NCollection_Array2<double> Convert_ElementarySurfaceToBSplineSurface::myWeights

protected

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The documentation for this class was generated from the following file:

• Convert_ElementarySurfaceToBSplineSurface.hxx