B Spline3D Service

Class full path: NemAll_Python_Geometry.BSpline3DService

3D BSpline service

Functions

AddControlPoint(pointIdx, coords)

add control point to B-Spline

Parameters:

Name	Type	Description	Default
pointIdx	int	index, where new point will be stored	required
coords	Point3D	coordinates of point	required

AddControlPointOnSegment(ray, coords)

add control point to B-Spline's segment given by point

Parameters:

Name	Type	Description	Default
ray	Vector3D	view vector	required
coords	Point3D	coordinates of point	required

Returns:

Type	Description
int	segment index

GetControlPointIndex(param)

calculate control point index from parameter on B-Spline

Parameters:

Name	Type	Description	Default
param	float	parameter on BSpline	required

Returns:

Type	Description
int	control point index

InsertKnot(param, numInsertionsMultiplicity)

Insert knot into bspline knot vector (compute new control points, preserve geometry)

Parameters:

Name	Type	Description	Default
param	float	param to insert	required
numInsertionsMultiplicity	int	multiplicity of new knot	required

IsValid()

Check validity of service data

Returns:

Type	Description
bool	bool valid = true

MoveStartPeriodic(startParam)

Move start point in periodic BSpline

Parameters:

Name	Type	Description	Default
startParam	float	start value for knot interval	required

PointModification(pointsIdx, moveVector, isInterpolated, hSet)

move interpolated or control point of B-Spline

Parameters:

Name	Type	Description	Default
pointsIdx	VecSizeTList	point indexes	required
moveVector	Vector3D	move vector	required
isInterpolated	bool	true if wanted to handle interpolated points	required
hSet	object	healing settings	required

RefineKnots(knotvalues, knotMultiplicities)

Refine knots (insert knots if necessary)

Parameters:

Name	Type	Description	Default
knotvalues	VecDoubleList	knot values to refine	required
knotMultiplicities	VecSizeTList	knot multiplicities	required

RemoveControlPoint(pointIdx)

remove control point from B-Spline

Parameters:

Name	Type	Description	Default
pointIdx	int	point index to remove	required

SetControlPoint(pointIdx, newCoords)

set coordinates of control point of B-Spline

Parameters:

Name	Type	Description	Default
pointIdx	int	point index	required
newCoords	Point3D	new coordinates of point	required

SetDegree(degree)

set degree of B-Spline

Parameters:

Name	Type	Description	Default
degree	int	new degree for B-Spline	required

SetInterpolatedPoint(pointIdx, newCoords)

set coordinates of interpolated point of B-Spline

Parameters:

Name	Type	Description	Default
pointIdx	int	point index	required
newCoords	Point3D	new coordinates of point	required

SetPeriodic(periodic)

set/unset periodic property of B-Spline

Parameters:

Name	Type	Description	Default
periodic	bool	it true, B-Spline will be periodic, otherwise B-Spline will be open	required

__init__(bSpline)

Constructor

Parameters:

Name	Type	Description	Default
bSpline	BSpline3D	BSpline for the services	required