Before we can use the HLOD tool, we must enable it:
- Go the World Settings menu by going to Settings | World Settings.
- From the World Settings tab, scroll down to the LODSystem section and check the Enable Hierarchical LODSystem property.
You should notice that the Hierachical LODSetup property changes to now show 1 Array elements.
- Go to Window | Hierarchical LOD Outliner:
You should notice from the menu that pops up that the left hand side of the screen looks very similar to the LODSystem section of the World Settings menu. Open up the Hierachical LODSetup property and the HLOD Level 0 and Cluster generation settings arrows ...