Chapter04-ViewingNavigation.pdf

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X3D Graphics for Web Authors
Chapter 4
Viewing and Navigation
But the eyes, though they are no sailors, will never
be satisfied with any model, however fashionable,
which does not answer all the requisitions of art.
Henry David Thoreau, 1849
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Chapter Overview
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Overview: Viewing and Navigation
Users explore X3D worlds by choosing predefined
viewpoints and navigating through 3D space.
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Bindable nodes , so only one is active at a time
Viewpoint lets authors identify key camera locations
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NavigationInfo provides options for moving around
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Related nodes improve navigability, interaction
Anchor makes geometric shapes linkable
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Billboard keeps child geometry facing the user
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Collision can allow or prevent a user's view from
passing through geometry
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