# HeightAndLod

> Synchronizes height data of the heightmap texture from the GPU back to CPU memory. Then computes LOD data, used for determining the tessellation level, from the height data.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.TerrainModule

```csharp
HeightAndLod = 2
```