/// <summary>
/// Extract the prefabs of the unity terrain and create yapp settings from them.
/// </summary>
private void CreatePrefabSettingsFromUnityTerrain()
{
// get the prefabs
List <GameObject> prefabs = terrainTreeManager.ExtractPrefabs();
// create new settings list
editor.AddPrefabs(Constants.TEMPLATE_NAME_TREE, prefabs, true);
}