BSplinesCoefficients.EvaluateMuliplyingValues Method

BSplinesCoefficients EvaluateMuliplyingValues Method

Virtual Photonics - VTS Library

Virtual Photonics

Computes the coefficients of the B-spline recursive formula. Based on the Cox - De Boor algorithm. 'The NURBS Book' page 50.

Namespace: Vts.Modeling.ForwardSolvers
Assembly: Vts (in Vts.dll) Version: 1.0.12.0 (1.0.12)

Syntax

C++

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public void EvaluateMuliplyingValues(
	ref double a,
	ref double b,
	ref double c,
	ref double d,
	NurbsValues nurbsValues,
	int degree,
	int j
)

public void EvaluateMuliplyingValues(
	ref double a,
	ref double b,
	ref double c,
	ref double d,
	NurbsValues nurbsValues,
	int degree,
	int j
)

Public Sub EvaluateMuliplyingValues ( 
	ByRef a As Double,
	ByRef b As Double,
	ByRef c As Double,
	ByRef d As Double,
	nurbsValues As NurbsValues,
	degree As Integer,
	j As Integer
)

Public Sub EvaluateMuliplyingValues ( 
	ByRef a As Double,
	ByRef b As Double,
	ByRef c As Double,
	ByRef d As Double,
	nurbsValues As NurbsValues,
	degree As Integer,
	j As Integer
)

public:
void EvaluateMuliplyingValues(
	double% a, 
	double% b, 
	double% c, 
	double% d, 
	NurbsValues^ nurbsValues, 
	int degree, 
	int j
)

public:
void EvaluateMuliplyingValues(
	double% a, 
	double% b, 
	double% c, 
	double% d, 
	NurbsValues^ nurbsValues, 
	int degree, 
	int j
)

Parameters

a: Type: System Double
u_j / (u_j - u_(j+p))

b: Type: System Double
u_(j+p+1) / (u_(j+p+1) - u_(j+1))

c: Type: System Double
1 / (u_(j+p) - u_j)

d: Type: System Double
1 / (u_(j+1) - u_(j+p+1))

nurbsValues: Type: Vts.Modeling.ForwardSolvers NurbsValues
NurbsValues class with the knots vector and degree

degree: Type: System Int32
degree of the iteration of the recursive formula

j: Type: System Int32
knot index