ShaderBall
Generates scenes suitable for rendering shader balls.
user
Container for user-defined plugs. Nodes should never make their own plugs here, so users are free to do as they wish.
out
The output scene.
enabled
The on/off state of the node. When it is off, the node outputs an empty scene.
shader
The shader to be rendered.
resolution
The resolution of the shader ball image, which is always a square.