Autodesk Mudbox 2013 SDK Documentation > Mudbox Scenes >

# Scene Graph

The scene manages a child-parent hierarchy of all TreeNode derived objects in the scene. The root node is the Scene object itself, which is derived from TreeNode. This hierarchy is a directed acyclic graph (DAG) - or in other words, a tree.

The following objects have a child-parent relationship in the scene graph:

- Transformation - A transform is a parent of a Camera, Geometry, or Light, and indicates its scale, rotation, and translation.
- Mesh - A mesh is a parent of any MeshGrid, MeshRenderer, SurfaceSmoother, or TangentGenerator object in the scene.
- Geometry - A geometry may have child SubdivisionLevel nodes.

The following classes are also part of the scene graph by virtue of deriving from TreeNode.

- Layer and ViewPort - Layers are organized in child-parent relationships independently of the scene graph, which are managed by a LayerContainer.
- LayerContainer and ViewPort
- LayerMeshData
- Material
- Picker