ParametricCurve2d Class Reference

Inheritance diagram for ParametricCurve2d:

Public Member Functions
synchronized void	delete ()
	ParametricCurve2d (TopoShape topoEdge)
long	GetOwnerId ()
void	SetOwnerId (long val)
boolean	IsValidGeometry ()
boolean	Initialize (TopoShape topoShape)
EnumCurveType	GetCurveType ()
boolean	Is3DCurve ()
double	FirstParameter ()
double	LastParameter ()
int	Continuity ()
boolean	IsClosed ()
boolean	IsPeriodic ()
double	Period ()
GPnt2d	Value (double u)
GPnt2d	D0 (double u)
DerivativeValues2d	D1 (double u)
DerivativeValues2d	D2 (double u)
DerivativeValues2d	D3 (double u)
GVec2d	DN (double u, int n)
GPnt2d	GetStartPoint ()
GPnt2d	GetEndPoint ()
GBBox	GetBBox ()
double	GetLength ()
double	ComputeLength (double u1, double u2)
double	ComputePointByDistance (double u0, double offset)
DoubleList	SplitByUniformLength (double length, double tolerance)
GLin2d	TryLine ()
GCirc2d	TryCircle ()
GElips2d	TryEllipse ()
GHypr2d	TryHyperbola ()
GParab2d	TryParabola ()
Public Member Functions inherited from ParametricGeometry
synchronized void	delete ()
long	GetId ()
void	SetId (long val)
boolean	IsValidGeometry ()
boolean	Initialize (TopoShape topoShape)
TopoShape	GetShape ()

Protected Member Functions
	ParametricCurve2d (long cPtr, boolean cMemoryOwn)
void	swigSetCMemOwn (boolean own)
void	finalize ()
Protected Member Functions inherited from ParametricGeometry
	ParametricGeometry (long cPtr, boolean cMemoryOwn)
void	swigSetCMemOwn (boolean own)
void	finalize ()

Static Protected Member Functions
static long	getCPtr (ParametricCurve2d obj)
Static Protected Member Functions inherited from ParametricGeometry
static long	getCPtr (ParametricGeometry obj)

Detailed Description

BSpline Curve tool that can be used to construct BSpline and get BSpline information.

Member Function Documentation

double ParametricCurve2d.ComputePointByDistance	(	double	u0,
		double	offset
	)

Compute the point with the distance to u0.

Parameters

u0	the parameter of the start point.
offset	the distance.

Returns

the parameter of the point. retun u0 if not found.

int ParametricCurve2d.Continuity

(

)

Continuity.
enum:
C0 = 0,
G1,
C1,
G2,
C2,
C3,
CN

GPnt2d ParametricCurve2d.D0

(

double

u

)

Computes the point of parameter U on the curve.

Parameters

u	the parameter

Returns

the point.

DerivativeValues2d ParametricCurve2d.D1

(

double

u

)

Computes the point and derivative of parameter U on the curve.

Parameters

u	the parameter

Returns

the point and the first derivative. Empty if not C1

DerivativeValues2d ParametricCurve2d.D2

(

double

u

)

Computes the point and derivative of parameter U on the curve.

Parameters

u	the parameter

Returns

the point, the first and second derivative. Empty if not C2.

DerivativeValues2d ParametricCurve2d.D3

(

double

u

)

Computes the point and derivative of parameter U on the curve.

Parameters

u	the parameter

Returns

the point, the first, the second and the third derivative. Empty if not C3.

GVec2d ParametricCurve2d.DN	(	double	u,
		int	n
	)

The returned vector gives the value of the derivative for the order of derivation N.

Parameters

u	the parameter
n	the order of derivation

Returns

the vector. Return zero if not CN or N < 1.

double ParametricCurve2d.FirstParameter

(

)

The first parameter.

GBBox ParametricCurve2d.GetBBox

(

)

Compute the bounding box.

Returns

the box.

EnumCurveType ParametricCurve2d.GetCurveType

(

)

Get the curve type.
enum EnumCurveType

Returns

the point.

GPnt2d ParametricCurve2d.GetEndPoint

(

)

Get the end point position.

Returns

the end point.

GPnt2d ParametricCurve2d.GetStartPoint

(

)

Get the start point position.

Returns

the start point.

boolean ParametricCurve2d.Initialize

(

TopoShape

topoShape

)

Use TopoShape to initialize the geometry, must be Edge.

Parameters

topoShape

the TopoShape

Returns

true if ok.

boolean ParametricCurve2d.Is3DCurve

(

)

Is 3D Curve.

boolean ParametricCurve2d.IsClosed

(

)

Is Closed.

boolean ParametricCurve2d.IsPeriodic

(

)

Is Periodic.

boolean ParametricCurve2d.IsValidGeometry

(

)

Test if valid.

double ParametricCurve2d.LastParameter

(

)

The last parameter.

double ParametricCurve2d.Period

(

)

The period.

DoubleList ParametricCurve2d.SplitByUniformLength	(	double	length,
		double	tolerance
	)

Split the curve to equal parts.

Parameters

length	the length of each part.
tolerance	the tolerance

Returns

the parameters of each part.

GPnt2d ParametricCurve2d.Value

(

double

u

)

Computes the point of parameter U on the curve.

Parameters

u	the parameter

Returns

the point.