Classes
struct	SPreviousCache

Public Types
typedef TINOSVector< N >	_array_vector[DF_INOS_NURBSCURVE_MAX_DEGREE+1]
	get auLevel derivative at param 'adU' (The NURBS book, page 93, A3.2)

Public Member Functions
void	AddPoint (CINOSNurbsPoint< N > &aPoint)
	add control point to curve

void	AddPoint (TINOSVector< N > &aPoint)
	add control point to curve

void	AddKnot (double adKnot, uint32 auMultiplicity)
	add knot to curve

void	SetPoints (uint32 auPoints)
	set number of control points

uint32	GetPoints ()
	get number of control points

void	SetInterpolationPoints (uint32 auInterpolationPoints)
	set number of interpolation points

uint32	Check ()
	check curve

double	GetLength ()
	get curve length

uint32	Prepare ()

virtual void	GetPosition (double adP, TINOSVector< N > &ovPos)
	get position at 'adP'

virtual void	GetPosition (double adP, TINOSVector< N > &ovPos, uint32 &auSegment)
	get position at 'adP'

virtual void	GetPositionFirst (TINOSVector< N > &ovPos)
	get first position

virtual void	GetPositionLast (TINOSVector< N > &ovPos)
	get last position

void	GetLocalPositionU (double adU, TINOSVector< N > &ovPos)
	get position at param 'adU' (The NURBS book, page 124, A4.1)

void	GetPositionU (double adU, TINOSVector< N > &ovPos)
	get position at param 'adU' (The NURBS book, page 124, A4.1)

virtual void	GetPositionU (double adU, TINOSVector< N > &ovPos, uint32 auUSpan)
	get position at param 'adU' (The NURBS book, page 124, A4.1)

virtual void	GetDerivative (uint32 auLevel, double adP, TINOSVector< N > &ovDer)
	get auLevel derivative at 'adP'

virtual void	GetDerivativeBgn (uint32 auLevel, TINOSVector< N > &ovDer)
	get auLevel derivative at curve begin

virtual void	GetDerivativeEnd (uint32 auLevel, TINOSVector< N > &ovDer)
	get auLevel derivative at curve end

virtual void	GetDerivativeU (uint32 auLevel, double adU, TINOSVector< N > &ovDer)

virtual void	GetD2max (TINOSVector< N > &ovD2Max)
	get max. second derivative over the whole curve

virtual void	GetD3max (TINOSVector< N > &ovD3Max)
	get max. 3rd derivative over the whole curve

double	GetGlobalU (double adP)
	approximately project P tu U

double	GetLocalU (double adP, uint32 auChannel)

	CINOSNurbsCurve (uint32 auDegree=DF_INOS_NURBSCURVE_MAX_DEGREE, uint32 auInterpolationPoints=DF_INOS_NURBSCURVE_INTERPOLATION_POINTS, uint32 auLengthMask=0xFFFFFFF8)
	constructor

virtual	~CINOSNurbsCurve ()
	destructor

Static Public Attributes
static constexpr double	d43 = 4.0/3.0

static constexpr double	d13 = 1.0/3.0

Protected Types
enum	{ eFlgPrepared = 0x00000001 , eFlgCustomWeight = 0x00000002 , eFlgZeroWeight = 0x00000004 , eFlgCurveValid = 0x00000008 }

enum	{ eCnsMaxChannels = 4 }

Protected Member Functions
uint32	FindSpan (double u) const
	determine the knot span index (The NURBS book, page 68, A2.1)

void	BasisFuns (double u, uint32 i, _vector &Nb) const
	compute the nonvanishing basis functions (The NURBS book, page 70, A2.2)

void	DersBasisFuns (uint32 n, double u, uint32 span, _matrix &ders) const
	compute nonzero basis functions and their derivatives (The NURBS book, page 72, A2.3)

void	CurveDerivs (double u, uint32 d, _array_vector &ck)
	compute curve derivatives (The NURBS book, page 93, A3.2)

uint32	GetSegment (uint32 auChannel, double adP, TINOSVector< N > &ovPos)

	DECLARE_DYNAMIC_N (CINOSNurbsCurve, N)

Protected Attributes
uint32	m_uFlags = eFlgZeroWeight
	flags

uint32	D = 1
	curve degree

const uint32	m_uLengthMask = 0xFFFFFFF8
	length mask (bit = 1 -> axis is not length relevant)

uint32	m_uInterpolationPoints = DF_INOS_NURBSCURVE_INTERPOLATION_POINTS
	curve interpolation points

double	m_dLength = std::numeric_limits<double>::quiet_NaN()
	curve length

inos_std::vector< CINOSNurbsPoint< N > >	P
	control points

inos_std::vector< double >	U
	knot vector

uint8	m_uLengthDims [N]
	length relevant dimensions indices

uint8	m_uNoLengthDims
	numeber of length relevant dimensions

struct CINOSNurbsCurve::SPreviousCache	m_sPreviousCache [eCnsMaxChannels]

inos_std::vector< CINOSSpline * >	m_UofPs

Friends
class	CINOSMovePath

Member Function Documentation

◆ CurveDerivs()

template<int N>

void CINOSNurbsCurve< N >::CurveDerivs	(	double	u,
		uint32	d,
		_array_vector &	ck
	)

inlineprotected

compute curve derivatives (The NURBS book, page 93, A3.2)

compute ratinal curve derivatives (The NURBS book, page 127, A4.2)

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

/home/jenkins/workspace/inos_doxygen/os/inos/inc/cinosnurbscurve.h

Classes

Public Types

Public Member Functions

Static Public Attributes

Protected Types

Protected Member Functions

Protected Attributes

Friends

Member Function Documentation

◆ CurveDerivs()