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X3D Graphics for Web
Authors
Chapter 3
Grouping Nodes
A Working Group is a technical committee that researches and
proposes solutions to specific technical problems relating to X3D.
Web3D Consortium
Contents
Chapter Overview
and
Concepts
X3D Nodes and Examples
Additional Resources
Chapter Summary
and
Suggested Exercises
References
Chapter Overview
Overview: grouping nodes
Concepts:
DEF/USE
,
units of measure
,
coordinate
systems
,
right-hand rule
,
and
bounding boxes
Grouping nodes organize objects in an X3D world
•
Group
,
StaticGroup
collect related nodes together
•
Transform
controls position, orientation and scale
•
Inline
loads other X3D scenes
•
LOD
(level of detail) provides different levels of
geometry quality according to the user's viewpoint
•
Switch
can be animated to select different children,
one (or none) at a time
Other grouping nodes are covered in Chapter 4
•
Anchor, Billboard, Collision
back to Table of Contents
Concepts
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