# DefinedViewportProjection enum

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

```cs
public enum DefinedViewportProjection
```

Parallel and perspective projections that are "standard" in Rhino

## Values

| Name | Value | Description |
| --- | --- | --- |
| None | 0 |  |
| Top | 1 |  |
| Bottom | 2 |  |
| Left | 3 |  |
| Right | 4 |  |
| Front | 5 |  |
| Back | 6 |  |
| Perspective | 7 |  |
| TwoPointPerspective | 8 |  |
| ParallelReflected | 9 |  |