# TransformSimilarityType 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 TransformSimilarityType
```

Lists all possible outcomes for transform similarity.

## Values

| Name | Value | Description |
| --- | --- | --- |
| OrientationReversing | -1 | Similarity is preserved, but orientation is flipped. |
| NotSimilarity | 0 | Similarity is not preserved. Geometry needs to be deformable for this Transform to operate correctly. |
| OrientationPreserving | 1 | Similarity and orientation are preserved. |