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<a href="index.html"><img alt="Anchor bookmarked-Viewpoint comparison, view from front" title="Anchor bookmarked-Viewpoint comparison, view from front" border="0" hspace="10" src="AnchorComparisonFrontViewpoint.png" width="142" height="121" align="middle"/></a>
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Authors can design scenes to help users navigate to Viewpoints of interest,
and also create user-selectable geometry links using an Anchor (just like HTML).
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<p>
<a href="https://www.web3d.org/x3d/content/X3dTooltips.html#Viewpoint" target="X3dTooltips" title="X3D Tooltip">Viewpoint</a>
nodes are the primary means for users to explore a scene.
<a href="https://www.web3d.org/x3d/content/X3dTooltips.html#NavigationInfo" target="X3dTooltips" title="X3D Tooltip">NavigationInfo</a>
nodes enable different user-interaction styles (FLY, WALK, EXAMINE etc.) as appropriate.
Only one Viewpoint and one NavigationInfo node can each be active a time,
with order of selection controlled via a binding stack.
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<p>
The supporting
<a href="https://x3dGraphics.com/slidesets/X3dForWebAuthors/Chapter04ViewingNavigation.pdf" target="X3dChapterSlideset">Chapter 4 slideset</a>
and course videos
(<a href="https://www.movesinstitute.org/Video/Courses/X3dForWebAuthors/X3dForWebAuthorsVideo.html#4" target="X3dChapterVideos">NPS</a>,
<a href="https://www.youtube.com/playlist?list=PLuSIsM-86siktIQeGO8EEJmNork1OIEbu" target="X3dChapterYouTubeVideos">YouTube</a>)
for <i>X3D for Web Authors</i> are available online via
<a href="https://x3dGraphics.com" target="_blank">X3dGraphics.com</a>.
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Also available:
<a href="https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html#Viewpoints" target="_blank">X3D Scene Authoring Hints: Viewpoints and Navigation</a>.
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