Class CCircle3

Namespace

AT.Librarys.Container.Toolkit.Vision

Assembly

AT.Librarys.Container.dll

圆(位于某一平面内)：中心 + 半径 + 姿态(R=RzRyRx)

• Center：圆心(世界坐标)
• Radius：半径(>0)
• RotX/RotY/RotZ：圆所在平面的姿态(度)，法向为旋转矩阵的第3列 说明：仅做几何计算；显示时可用 GetPolyline 采样为折线。

public sealed class CCircle3

Inheritance

object

CCircle3

Inherited Members

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

object.GetType()

Extension Methods

ExtensionCustom.ToCObject(object)

Constructors

CCircle3()

构造

public CCircle3()

CCircle3(CPoint3, double, double, double, double)

构造

public CCircle3(CPoint3 center, double rotXDeg, double rotYDeg, double rotZDeg, double radius)

Parameters

center CPoint3

rotXDeg double

rotYDeg double

rotZDeg double

radius double

Properties

Center

中心点

public CPoint3 Center { get; set; }

Property Value

CPoint3

Radius

半径

public double Radius { get; set; }

Property Value

double

RotX

X轴旋转

public double RotX { get; set; }

Property Value

double

RotY

Y轴旋转

public double RotY { get; set; }

Property Value

double

RotZ

Z轴旋转

public double RotZ { get; set; }

Property Value

double

Methods

GetAabb()

近似世界坐标 AABB

public double[] GetAabb()

Returns

double[]

GetNormal()

圆所在平面的单位法向

public (double nx, double ny, double nz) GetNormal()

Returns

(double nx, double ny, double nz)

GetPlaneBasis()

获取圆平面内的一组正交基 (ex, ey)，用于参数化圆周

public (double[] ex, double[] ey) GetPlaneBasis()

Returns

(double[] ex, double[] ey)

GetPolyline(int)

采样圆周折线，resolution≥3

public CPoint3[] GetPolyline(int resolution = 64)

Parameters

resolution int

Returns

CPoint3[]

IsOnCircle(CPoint3, double)

点是否在圆上(既在所在平面且半径匹配)；tol 平面距离/半径误差容差

public bool IsOnCircle(CPoint3 p, double tol = 0.001)

Parameters

p CPoint3

tol double

Returns

bool

ProjectToPerimeter(CPoint3)

点投影到圆平面，并映射到圆周(最近点)

public CPoint3 ProjectToPerimeter(CPoint3 p)

Parameters

p CPoint3

Returns

CPoint3

ToCircle3(double, double, double, double, double, double, double, double)

public static CCircle3 ToCircle3(double px, double py, double pz, double nx, double ny, double nz, double radius, double parallelThreshold = 0.97)

Parameters

px double

py double

pz double

nx double

ny double

nz double

radius double

parallelThreshold double

Returns

CCircle3