NURBSbasis Class Reference

NURBSbasis function. Used to construct NURBS curves, surfaces and volumes. More...

Public Member Functions
	TypeName ("NURBbasis")
	Runtime type information. More...
	NURBSbasis (const label nCPs, const label degree, const scalarField &knots)
	Construct from number of control points, knot vector and basis order. More...
	NURBSbasis (const label nCPs, const label degree)
	Construct from number of control points and basis order. More...
	NURBSbasis (const dictionary &dict)
	Construct from dictionary. More...
	NURBSbasis (const NURBSbasis &)
	Construct as copy. More...
virtual	~NURBSbasis ()=default
	Destructor. More...
scalar	basisValue (const label iCP, const label degree, const scalar u) const
	Basis value. More...
scalar	basisDerivativeU (const label iCP, const label degree, const scalar u) const
	Basis derivative w.r.t u. More...
scalar	basisDerivativeUU (const label iCP, const label degree, const scalar u) const
	Basis second derivative w.r.t u. More...
bool	checkRange (const scalar u, const label CPI, const label degree) const
	Checks to see if given u is affected by given CP. More...
label	insertKnot (const scalar uBar)
const scalarField &	knots () const
const label &	degree () const
const label &	nCPs () const

Detailed Description

NURBSbasis function. Used to construct NURBS curves, surfaces and volumes.

Source files

• NURBSbasis.H
• NURBSbasis.C
• NURBSbasisTemplates.C
• NURBSbasisI.H

Definition at line 55 of file NURBSbasis.H.

Constructor & Destructor Documentation

NURBSbasis() [1/4]

NURBSbasis	(	const label	nCPs,
		const label	degree,
		const scalarField &	knots
	)

Construct from number of control points, knot vector and basis order.

Definition at line 83 of file NURBSbasis.C.

NURBSbasis() [2/4]

NURBSbasis	(	const label	nCPs,
		const label	degree
	)

Construct from number of control points and basis order.

Assumes uniform knot vector

Definition at line 96 of file NURBSbasis.C.

NURBSbasis() [3/4]

NURBSbasis

(

const dictionary &

dict

)

Construct from dictionary.

Assumes uniform knot vector

Definition at line 110 of file NURBSbasis.C.

NURBSbasis() [4/4]

NURBSbasis

(

const NURBSbasis &

basis

)

Construct as copy.

Definition at line 123 of file NURBSbasis.C.

References DebugInfo, and Foam::endl().

Here is the call graph for this function:

~NURBSbasis()

virtual ~NURBSbasis ( )

virtualdefault

Destructor.

Member Function Documentation

TypeName()

TypeName

(

"NURBbasis"

)

Runtime type information.

basisValue()

scalar basisValue	(	const label	iCP,
		const label	degree,
		const scalar	u
	)		const

Basis value.

Definition at line 139 of file NURBSbasis.C.

References NURBSbasis::basisValue(), NURBSbasis::checkRange(), and NURBSbasis::degree().

Referenced by NURBSbasis::basisDerivativeU(), NURBSbasis::basisValue(), NURBS3DCurve::buildCurve(), NURBS3DSurface::buildSurface(), NURBS3DCurve::curveDerivativeCP(), NURBS3DCurve::curveDerivativeU(), NURBS3DCurve::curveDerivativeUU(), NURBS3DCurve::curveDerivativeWeight(), NURBS3DCurve::curvePoint(), NURBS3DSurface::surfaceDerivativeCP(), NURBS3DSurface::surfaceDerivativeU(), NURBS3DSurface::surfaceDerivativeUU(), NURBS3DSurface::surfaceDerivativeUV(), NURBS3DSurface::surfaceDerivativeV(), NURBS3DSurface::surfaceDerivativeVV(), NURBS3DSurface::surfaceDerivativeW(), NURBS3DSurface::surfacePoint(), NURBS3DCurve::write(), and NURBS3DCurve::writeWParses().

Here is the call graph for this function:

Here is the caller graph for this function:

basisDerivativeU()

scalar basisDerivativeU	(	const label	iCP,
		const label	degree,
		const scalar	u
	)		const

Basis derivative w.r.t u.

Definition at line 189 of file NURBSbasis.C.

References NURBSbasis::basisDerivativeU(), NURBSbasis::basisValue(), NURBSbasis::checkRange(), and NURBSbasis::degree().

Referenced by NURBSbasis::basisDerivativeU(), NURBSbasis::basisDerivativeUU(), NURBS3DCurve::curveDerivativeU(), NURBS3DCurve::curveDerivativeUU(), NURBS3DSurface::surfaceDerivativeU(), NURBS3DSurface::surfaceDerivativeUU(), NURBS3DSurface::surfaceDerivativeUV(), NURBS3DSurface::surfaceDerivativeV(), and NURBS3DSurface::surfaceDerivativeVV().

Here is the call graph for this function:

Here is the caller graph for this function:

basisDerivativeUU()

scalar basisDerivativeUU	(	const label	iCP,
		const label	degree,
		const scalar	u
	)		const

Basis second derivative w.r.t u.

Definition at line 230 of file NURBSbasis.C.

References NURBSbasis::basisDerivativeU(), NURBSbasis::basisDerivativeUU(), NURBSbasis::checkRange(), and NURBSbasis::degree().

Referenced by NURBSbasis::basisDerivativeUU(), NURBS3DCurve::curveDerivativeUU(), NURBS3DSurface::surfaceDerivativeUU(), and NURBS3DSurface::surfaceDerivativeVV().

Here is the call graph for this function:

Here is the caller graph for this function:

checkRange()

bool checkRange	(	const scalar	u,
		const label	CPI,
		const label	degree
	)		const

Checks to see if given u is affected by given CP.

Definition at line 272 of file NURBSbasis.C.

References NURBSbasis::degree().

Referenced by NURBSbasis::basisDerivativeU(), NURBSbasis::basisDerivativeUU(), NURBSbasis::basisValue(), NURBS3DCurve::checkRange(), NURBS3DSurface::checkRangeU(), and NURBS3DSurface::checkRangeV().

Here is the call graph for this function:

Here is the caller graph for this function:

insertKnot()

label insertKnot

(

const scalar

uBar

)

Adds the new knot's u value, increments the nCPs and returns 'k', the index of the newly inserted uValue.

uBar should be pre-bounded between 0,1.

Definition at line 297 of file NURBSbasis.C.

References UList< T >::size(), and Foam::Zero.

Here is the call graph for this function:

knots()

const Foam::scalarField & knots ( ) const

inline

Definition at line 34 of file NURBSbasisI.H.

degree()

const Foam::label & degree ( ) const

inline

Definition at line 40 of file NURBSbasisI.H.

Referenced by NURBSbasis::basisDerivativeU(), NURBSbasis::basisDerivativeUU(), NURBSbasis::basisValue(), NURBS3DCurve::buildCurve(), NURBS3DSurface::buildSurface(), NURBS3DCurve::checkRange(), NURBSbasis::checkRange(), NURBS3DSurface::checkRangeU(), NURBS3DSurface::checkRangeUV(), NURBS3DSurface::checkRangeV(), NURBS3DCurve::curveDerivativeCP(), NURBS3DCurve::curveDerivativeU(), NURBS3DCurve::curveDerivativeUU(), NURBS3DCurve::curveDerivativeWeight(), NURBS3DCurve::curvePoint(), NURBS3DCurve::insertKnot(), NURBS3DSurface::surfaceDerivativeCP(), NURBS3DSurface::surfaceDerivativeU(), NURBS3DSurface::surfaceDerivativeUU(), NURBS3DSurface::surfaceDerivativeUV(), NURBS3DSurface::surfaceDerivativeV(), NURBS3DSurface::surfaceDerivativeVV(), NURBS3DSurface::surfaceDerivativeW(), NURBS3DSurface::surfacePoint(), NURBS3DCurve::write(), and NURBS3DCurve::writeWParses().

Here is the caller graph for this function:

nCPs()

const Foam::label & nCPs ( ) const

inline

Definition at line 46 of file NURBSbasisI.H.

Referenced by NURBS3DSurface::buildSurface(), axisAligned::computeControlPoints(), fromFile::computeControlPoints(), transformBox::computeControlPoints(), NURBS3DSurface::getBoundaryCPIDs(), NURBS3DCurve::insertKnot(), NURBS3DSurface::invertU(), NURBS3DSurface::invertUV(), NURBS3DSurface::invertV(), NURBS3DSurface::surfaceDerivativeCP(), NURBS3DSurface::surfaceDerivativeU(), NURBS3DSurface::surfaceDerivativeUU(), NURBS3DSurface::surfaceDerivativeUV(), NURBS3DSurface::surfaceDerivativeV(), NURBS3DSurface::surfaceDerivativeVV(), NURBS3DSurface::surfaceDerivativeW(), NURBS3DSurface::surfacePoint(), and NURBS3DSurface::writeVTK().

Here is the caller graph for this function:

---

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

• src/optimisation/adjointOptimisation/adjoint/parameterization/NURBS/NURBSbasis/NURBSbasis.H
• src/optimisation/adjointOptimisation/adjoint/parameterization/NURBS/NURBSbasis/NURBSbasis.C
• src/optimisation/adjointOptimisation/adjoint/parameterization/NURBS/NURBSbasis/NURBSbasisI.H