Version: Unity 6.1 Alpha (6000.1)
Language : English
Performance tips for trees
Root node reference

Tree Hierarchy view UI reference

The Tree Hierarchy view shows the groups arranged in vertical levels. For example, in this structure there is a single trunk, and a branch group in a level above it, with eight branches:

The Tree Hierarchy view showing the tree root node, above it a single trunk, and above that a branch group with eight branches.
The Tree Hierarchy view showing the tree root node, above it a single trunk, and above that a branch group with eight branches.

Each level shows its group type with an icon, and has lines connecting it to other levels. The number in the top-right corner is the number of branches or leaves that exist in the group. The eye icon just below the number controls the visibility of the group in the SceneA Scene contains the environments and menus of your game. Think of each unique Scene file as a unique level. In each Scene, you place your environments, obstacles, and decorations, essentially designing and building your game in pieces. More info
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view. Click the eye to toggle visibility on or off.

A single group. The icon is a branch icon, showing the group type. The number, 8, is the number of branches in the group. The eye shows the group is visible. When the group isnt visible, the eye is crossed out.
A single group. The icon is a branch icon, showing the group type. The number, 8, is the number of branches in the group. The eye shows the group is visible. When the group isn’t visible, the eye is crossed out.

Additional resources

Performance tips for trees
Root node reference