# CurveGraphObject.XAxis enum

Namespace: [Grasshopper2.Parameters.Special](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.parameters.special.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public enum CurveGraphObject.XAxis
```

Selects what quantity is plotted on the graph's x-axis.

## Values

| Name | Value | Description |
| --- | --- | --- |
| Parameter | 0 | Curve parameter (native domain). |
| Length | 1 | Curve arc-length. |