<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "https://www.web3d.org/specifications/x3d-3.0.dtd">
<X3D profile='Immersive' version='3.0' xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.0.xsd'>
  <head>
    <meta content='test_beamWidthsim1.x3d' name='title'/>
    <meta content='test-beamWidthsim1-movie.mpg' name='MovingImage'/>
    <meta content='http://www.nist.gov/vrml.html' name='reference'/>
    <meta content='http://www.itl.nist.gov/div897/ctg/vrml/vrml.html' name='reference'/>
    <meta content='http://www.itl.nist.gov/div897/ctg/vrml/members.html' name='creator'/>
    <meta content='This file was provided by the National Institute of Standards and Technology, and is part of the X3D Conformance Test Suite, available at http://www.nist.gov/vrml.html The information contained within this file is provided for use in establishing conformance to the ISO VRML97 Specification. Conformance to this test does not imply recommendation or endorsement by the National Institute of Standards and Technology (NIST). This software can be redistributed and/or modified freely provided that any derivative works bear some notice that they are derived from it, and any modified versions bear some notice that they have been modified.' name='disclaimer'/>
    <meta content='Interactive Conformance Testing for VRML, Mary Brady and Lynn Rosenthal, NIST, created 8 September 2010 and updated 25 August 2016, https://www.nist.gov/itl/ssd/information-systems-group/interactive-conformance-testing-vrml' name='reference'/>
    <meta content='Correct definition and compliance of this conformance scene is maintained by the X3D Working Group, https://www.web3d.org/working-groups/x3d' name='info'/>
    <meta content='Michael Kass NIST' name='creator'/>
    <meta content='Don Brutzman' name='translator'/>
    <meta content='21 January 2001' name='translated'/>
    <meta content='28 August 2023' name='modified'/>
    <meta content='Test browser to set the beamWidth field to a range of values on a set of a simple geometry (sphere) Seven rows of spheres are drawn in the local coordinate system and a single SpotLight is defined at the center. The lights beamWidth is increased as the animation progesses. The animation is started by clicking on the text above the geometry. The cutOffAngle is set to 1.570796 for the light and is never changed. This should cause the whole area illuminated by the light to be lighted at full intensity gradually as the beamWidth is increased. The area of illumination shall be no larger than the maximum value for the cutOffAngle (1.570796). A browser may choose to ignore the beamWidth field.' name='description'/>
    <meta content='https://www.web3d.org/x3d/content/examples/ConformanceNist/Lights/SpotLight/test_beamWidthsim1.x3d' name='identifier'/>
    <meta content='Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html' name='generator'/>
    <meta content='X3D-Edit 4.0, https://www.web3d.org/x3d/tools/X3D-Edit' name='generator'/>
    <meta content='../../license.html' name='license'/>
  </head>
  <Scene>
    <WorldInfo title='test_beamWidthsim1.x3d'/>
    <Group>
      <Viewpoint description='Front View' position='0 0 15'/>
    </Group>
    <Background groundColor='0 0 0' skyColor='1 0 0'/>
    <NavigationInfo headlight='false' type='"EXAMINE" "WALK" "FLY" "ANY"'/>
    <PointLight on='false'/>
    <DirectionalLight on='false'/>
    <Transform scale='0.02 0.02 0.02' translation='-3.4 4 0'>
      <Shape>
        <Appearance>
          <Material DEF='the-click' ambientIntensity='1' emissiveColor='0 0 1'/>
        </Appearance>
        <Text string='"CLICK HERE TO START"'>
          <FontStyle size='32' style='BOLD'/>
        </Text>
      </Shape>
      <TouchSensor DEF='the-touch' description='touch to activate'/>
    </Transform>
    <SpotLight DEF='the-light' beamWidth='0.01' cutOffAngle='1.57079' location='0 0 7' radius='7'/>
    <TimeSensor DEF='text-time'/>
    <TimeSensor DEF='the-time' cycleInterval='8'/>
    <ScalarInterpolator DEF='the-width' key='0 0.2 0.4 0.6 0.8 1' keyValue='0.1 0.15 0.18 0.2 0.25 0.3'/>
    <ColorInterpolator DEF='text-color' key='0 0.5 1' keyValue='0 0 1 1 1 1 0 0 1'/>
    <Transform translation='-4 0 0'>
      <Shape>
        <Appearance DEF='the-appearance'>
          <Material/>
        </Appearance>
        <Sphere DEF='the-sphere' radius='0.4'/>
      </Shape>
    </Transform>
    <Transform translation='-3 0 0'>
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        <Appearance USE='the-appearance'/>
        <Sphere USE='the-sphere'/>
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    </Transform>
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    </Transform>
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    </Transform>
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    </Transform>
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    </Transform>
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        <Sphere USE='the-sphere'/>
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    </Transform>
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        <Appearance USE='the-appearance'/>
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      </Shape>
    </Transform>
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      </Shape>
    </Transform>
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        <Appearance USE='the-appearance'/>
        <Sphere USE='the-sphere'/>
      </Shape>
    </Transform>
    <Transform translation='4 -3 0'>
      <Shape>
        <Appearance USE='the-appearance'/>
        <Sphere USE='the-sphere'/>
      </Shape>
    </Transform>
    <ROUTE fromField='touchTime' fromNode='the-touch' toField='startTime' toNode='text-time'/>
    <ROUTE fromField='fraction_changed' fromNode='text-time' toField='set_fraction' toNode='text-color'/>
    <ROUTE fromField='value_changed' fromNode='text-color' toField='emissiveColor' toNode='the-click'/>
    <ROUTE fromField='touchTime' fromNode='the-touch' toField='startTime' toNode='the-time'/>
    <ROUTE fromField='fraction_changed' fromNode='the-time' toField='set_fraction' toNode='the-width'/>
    <ROUTE fromField='value_changed' fromNode='the-width' toField='beamWidth' toNode='the-light'/>
  </Scene>
</X3D>