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

#include <APIGeomCurve2d.h>

类 AnyCAD::API::GeomCurve2d 继承关系图:

Public 成员函数
virtual bool	IsValidGeomey () const

virtual bool	Initialize (const TopoShape &topoShape)

EnumCurveType	GetCurveType () const

Real	Tolerance () const

Real	FirstParameter () const

Real	LastParameter () const

int	Continuity () const

bool	IsClosed () const

bool	IsPeriodic () const

Real	Period () const

Vector2	Value (Real u) const

Vector2	D0 (Real u) const

Vector2List	D1 (Real u) const

Vector2List	D2 (Real u) const

Vector2List	D3 (Real u) const

Vector2	DN (Real u, int n) const

详细描述

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

成员函数说明

int AnyCAD::API::GeomCurve2d::Continuity ( ) const

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

Vector2 AnyCAD::API::GeomCurve2d::D0 ( Real u ) const

Computes the point of parameter U on the curve.

参数

u	the parameter

返回: the point.

Vector2List AnyCAD::API::GeomCurve2d::D1 ( Real u ) const

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

参数

u	the parameter

返回: the point and the first derivative. Empty if not C1

Vector2List AnyCAD::API::GeomCurve2d::D2 ( Real u ) const

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

参数

u	the parameter

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

Vector2List AnyCAD::API::GeomCurve2d::D3 ( Real u ) const

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

参数

u	the parameter

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

Vector2 AnyCAD::API::GeomCurve2d::DN	(	Real	u,
		int	n
	)		const

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

参数

u	the parameter
n	the order of derivation

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

Real AnyCAD::API::GeomCurve2d::FirstParameter ( ) const

The first parameter.

EnumCurveType AnyCAD::API::GeomCurve2d::GetCurveType ( ) const

Get the curve type. enum EnumCurveType

返回: the point.

virtual bool AnyCAD::API::GeomCurve2d::Initialize ( const TopoShape & topoShape )

virtual

Use TopoShape to initialize the geometry, must be Edge.

参数

topoShape the TopoShape

返回: true if ok.

重载 AnyCAD::API::GeomBase .

bool AnyCAD::API::GeomCurve2d::IsClosed ( ) const

Is Closed.

bool AnyCAD::API::GeomCurve2d::IsPeriodic ( ) const

Is Periodic.

virtual bool AnyCAD::API::GeomCurve2d::IsValidGeomey ( ) const

virtual

Test if valid.

重载 AnyCAD::API::GeomBase .

Real AnyCAD::API::GeomCurve2d::LastParameter ( ) const

The last parameter.

Real AnyCAD::API::GeomCurve2d::Period ( ) const

The period.

Real AnyCAD::API::GeomCurve2d::Tolerance ( ) const

tolerance.

Vector2 AnyCAD::API::GeomCurve2d::Value ( Real u ) const

Computes the point of parameter U on the curve.

参数

u	the parameter

返回: the point.

该类的文档由以下文件生成:

E:/Depot/sdk.cpp.ent/inc/Core/APIGeomCurve2d.h

Public 成员函数

详细描述

成员函数说明