# CurveOrientation enum

Namespace: [Rhino.Geometry](https://developer.rhino3d.com/api/rhinocommon/namespace/rhino.geometry.md) · Assembly: [RhinoCommon](https://developer.rhino3d.com/api/rhinocommon/assembly/rhinocommon.md) · Since v5.0

```cs
public enum CurveOrientation
```

Defines enumerated values for closed curve orientations.

## Values

| Name | Value | Description |
| --- | --- | --- |
| Clockwise | -1 | The curve's orientation is clockwise in the XY plane. |
| Undefined | 0 | Unable to compute the curve's orientation. |
| CounterClockwise | 1 | The curve's orientation is counter clockwise in the XY plane. |