# RefitTrimKnotMode 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)

```cs
public enum RefitTrimKnotMode
```

The mode for adding kinots to the surface for fitting

## Values

| Name | Value | Description |
| --- | --- | --- |
| None | 0 | No knots are added |
| UniformEntireSurface | 1 | The entire surface is fit using uniform spacing with the specified number of knots |
| UniformPerSpan | 2 | Each existing span is uniformly spaced with the specified number of knots |
| Custom | 3 | The provided knot vector will be used |