VRML

Useful concepts

Transform

The Transform node performs the operations in the following order:

1. scale
2. rotation
3. translation

Source: http://www.web3d.org/x3d/specifications/vrml/vrml97/part1/nodesRef.html#Transform

Idioms

Define a node without using it

To DEFine a node without USEing it, put the definition inside a Switch. Switch { choice [ DEF Reflector Inline { url ["reflector.wrl"] } ] }

Source: http://castle-engine.sourceforge.net/vrml_engine_doc/output/xsl/html/section.def_use.html

Other Sources

Vrml spec