# SetNeighbors(Terrain, Terrain, Terrain, Terrain)

> Lets you set up the connection between neighboring Terrain tiles. This ensures LOD matches up on neighboring Terrain tiles.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.6/script-reference/unityengine.md)
* **Assembly:** UnityEngine.TerrainModule

```csharp
public void SetNeighbors(Terrain left, Terrain top, Terrain right, Terrain bottom)
```

### Parameters

**** (\[Terrain]\(/engine/6000.6/script-reference/unityengine/terrain)): The Terrain tile to the left is in the negative X direction.**** (\[Terrain]\(/engine/6000.6/script-reference/unityengine/terrain)): The Terrain tile to the top is in the positive Z direction.**** (\[Terrain]\(/engine/6000.6/script-reference/unityengine/terrain)): The Terrain tile to the right is in the positive X direction.**** (\[Terrain]\(/engine/6000.6/script-reference/unityengine/terrain)): The Terrain tile to the bottom is in the negative Z direction.

### Remarks

Note that it isn't enough to call this function on one Terrain; you need to set the neighbors of each Terrain.