RhinoCommon API
Circle Constructor (Point3d, Vector3d, Point3d) |
Initializes a circle from two 3d points and a tangent at the first point.
The start/end of the circle is at point "startPoint".
Namespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll)

public Circle( Point3d startPoint, Vector3d tangentAtP, Point3d pointOnCircle )
Public Sub New ( startPoint As Point3d, tangentAtP As Vector3d, pointOnCircle As Point3d )
Parameters
- startPoint
- Type: Rhino.GeometryPoint3d
Start point of circle. - tangentAtP
- Type: Rhino.GeometryVector3d
Tangent vector at start. - pointOnCircle
- Type: Rhino.GeometryPoint3d
Point coincident with desired circle.

May create an Invalid circle

Rhino for Mac
Supported in: 5.4Rhino for Windows
Supported in: 6.8