Performer Scene Graphs
Node types:
- pfGroup
- pfSCS - static transformation
- pfDCS - dynamic transformation
- pfSwitch - selects one, all, or none of its children
- pfLOD - level-of-detail switcher
- pfSequence - animates series of child nodes
- Leaf nodes
- pfLightSource - light
- pfGeode - geometry; contains geosets
- pfBillboard - billboarded geode
- pfText - text