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    <meta content='CircleLinesSphereLatitude.x3d' name='title'/>
    <meta content='Build a sphere outline by using multiple CircleLine circles as latitude rings, with actual semitransparent Sphere and axes added as a visualization hint.' name='description'/>
    <meta content='Don Brutzman and Ben Cheng' name='creator'/>
    <meta content='12 August 2013' name='created'/>
    <meta content='20 October 2019' name='modified'/>
    <meta content='CircleLinesSphereCalculations.jpg' name='drawing'/>
    <meta content='CircleLinesExample.x3d' name='reference'/>
    <meta content='CircleLinesSphereLongitude.x3d' name='reference'/>
    <meta content='https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter09EventUtilitiesScripting/CircleLinesSphereLatitude.x3d' name='identifier'/>
    <meta content='X3D-Edit, https://www.web3d.org/x3d/tools/X3D-Edit' name='generator'/>
    <meta content='../license.html' name='license'/>
  </head>
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    <WorldInfo title='CircleLinesSphereLatitude.x3d'/>
    <Viewpoint description='CircleLines Example' position='0 0 4'/>
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        <Material diffuseColor='1 1 1' transparency='0.4'/>
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    <!-- CircleLines is an IndexedLineSet made out of 24 line segments -->
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      <Shape DEF='CircleLines'>
        <IndexedLineSet coordIndex='0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 -1'>
          <Coordinate point='0.000 1.000 0.0 0.259 0.966 0.0 0.500 0.866 0.0 0.707 0.707 0.0 0.866 0.500 0.0 0.966 0.259 0.0 1.000 0.000 0.0 0.966 -0.259 0.0 0.866 -0.500 0.0 0.707 -0.707 0.0 0.500 -0.866 0.0 0.259 -0.966 0.0 0.000 -1.000 0.0 -0.259 -0.966 0.0 -0.500 -0.866 0.0 -0.707 -0.707 0.0 -0.866 -0.500 0.0 -0.966 -0.259 0.0 -1.000 -0.000 0.0 -0.966 0.259 0.0 -0.866 0.500 0.0 -0.707 0.707 0.0 -0.500 0.866 0.0 -0.259 0.966 0.0 0 1 0 0 -1 0 1 0 0 -1 0 0'/>
        </IndexedLineSet>
        <Appearance DEF='CircleAppearance'>
          <Material emissiveColor='1 .5 .2'/>
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    <Group DEF='CircleLatitudes'>
      <Transform scale='0.9682 0.9682 0.9682' translation='0 .25 0'>
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      <Transform scale='0.8660 0.8660 0.8660' translation='0 .5 0'>
        <Transform USE='CircleEquator'/>
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      <Transform scale='0.6614 0.6614 0.6614' translation='0 .75 0'>
        <Transform USE='CircleEquator'/>
      </Transform>
      <Transform scale='0.3122 0.3122 0.3122' translation='0 .95 0'>
        <Transform USE='CircleEquator'/>
      </Transform>
      <Shape DEF='TipTop'>
        <PointSet>
          <Coordinate point='0 1 0'/>
        </PointSet>
        <Appearance USE='CircleAppearance'/>
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    <Transform rotation='1 0 0 3.141593'>
      <Group USE='CircleLatitudes'/>
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      <Transform DEF='ScaleFeetToMeters' scale='0.4 0.4 0.4'>
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