Node Concepts
- The VRML scene is composed of nodes and routes
- Each node can have the following:
- A unique name for routing or re-use
- A type
- A number of associated events both incoming and outgoing
- A number of fields which hold the data for the node
- In addition, group nodes can have many other nodes as children
- Certain nodes have an associated stack within the scene graph that allows
them to be pushed and popped according to certain rules (bindable nodes)
- One special node (script) can hold a program to control behaviour in the
scene
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