# None

> Does not synchronize the height data nor the LOD data.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine](/engine/6000.5/script-reference/unityengine.md)
* **Assembly:** UnityEngine.TerrainModule

```csharp
None = 0
```

### Remarks

This option forces the tessellation level to maximum on the modified heightmap region. Use [TerrainData.SyncHeightmap](/engine/6000.5/script-reference/unityengine/terraindata/syncheightmap.md) afterward to readback height data from the heightmap texture, and rectify the tessellation.