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    <meta content='Figure10.08BlinkingSphere.x3d' name='title'/>
    <meta content='Figure 10.8, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland' name='creator'/>
    <meta content='http://www.wiley.com/legacy/compbooks/vrml2sbk/ch10/10fig08.htm' name='reference'/>
    <meta content='Don Brutzman' name='transcriber'/>
    <meta content='15 August 2000' name='created'/>
    <meta content='1 February 2014' name='modified'/>
    <meta content='A blinking sphere, controlled using a ColorInterpolator.' name='description'/>
    <meta content='http://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter10-Materials/Figure10.08BlinkingSphere.x3d' name='identifier'/>
    <meta content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit' name='generator'/>
    <meta content='../../license.html' name='license'/>
  </head>
  <Scene>
    <Viewpoint description='Blinking ball' position='0 0 4'/>
    <Group>
      <Shape>
        <Appearance>
          <Material DEF='BALL_COLOR' diffuseColor='0.4 0.4 0.4'/>
        </Appearance>
        <Sphere/>
      </Shape>
      <TimeSensor DEF='CLOCK' cycleInterval='2' loop='true'/>
      <ColorInterpolator DEF='COLOR_PATH' key='0.0 0.5 0.5 1.0' keyValue='0 1 0 0 1 0 0 0 1 0 0 1'/>
    </Group>
    <ROUTE fromField='fraction_changed' fromNode='CLOCK' toField='set_fraction' toNode='COLOR_PATH'/>
    <ROUTE fromField='value_changed' fromNode='COLOR_PATH' toField='set_emissiveColor' toNode='BALL_COLOR'/>
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