<?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='def_use.x3d' name='title'/>
    <meta content='def_use-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='Three instances (DEFs) of the same VisibilitySensor are associated with a Spherer geometry. Entering any one of the three instances should generate events that are routed to a common TimeSensor, ColorInterpolator and Transform node. The result is, when entering any of the bounding boxes, the Sphere geometry should change color from red to blue.' name='description'/>
    <meta content='https://www.web3d.org/x3d/content/examples/ConformanceNist/Sensors/VisibilitySensor/def_use.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='def_use.x3d'/>
    <Viewpoint description='Outside Center'/>
    <Viewpoint description='Inside Center VisibilitySensor' position='0 0 0'/>
    <Viewpoint description='Behind Center VisibilitySensor' position='0 0 -5'/>
    <Viewpoint description='Outside Center VisibilitySensor'/>
    <Viewpoint description='Outside Left VisibilitySensor' position='-10 0 5'/>
    <Viewpoint description='Inside Left VisibilitySensor' position='-10 0 0'/>
    <Viewpoint description='Behind Left VisibilitySensor' position='-9 0 -5'/>
    <Viewpoint description='Outside Center VisibilitySensor'/>
    <Viewpoint description='Outside Right VisibilitySensors' position='10 0 5'/>
    <Viewpoint description='Inside Right VisibilitySensor' position='10 0 0'/>
    <Viewpoint description='Behind Right VisibilitySensor' position='9 0 -5'/>
    <Viewpoint description='Outside Center VisibilitySensor'/>
    <Group>
      <TimeSensor DEF='TIME' cycleInterval='2' enabled='false' loop='true'/>
      <ColorInterpolator DEF='INTERP_COLOR' key='0 0.5 1' keyValue='1 0 0 0 1 0 0 0 1'/>
      <Transform>
        <VisibilitySensor DEF='VIS_SENSOR' size='4 4 4'/>
        <Shape DEF='FRAME'>
          <Appearance>
            <Material emissiveColor='1 1 1'/>
          </Appearance>
          <IndexedLineSet coordIndex='0 1 -1 1 2 -1 2 3 -1 3 0 -1 4 5 -1 5 6 -1 6 7 -1 7 4 -1 1 5 -1 2 6 -1 0 4 -1 7 3 -1'>
            <Coordinate point='-2 -2 -2 2 -2 -2 2 2 -2 -2 2 -2 -2 -2 2 2 -2 2 2 2 2 -2 2 2'/>
          </IndexedLineSet>
        </Shape>
        <Transform translation='0 0 -20'>
          <Shape>
            <Appearance>
              <Material DEF='COLOR' diffuseColor='1 0 0'/>
            </Appearance>
            <Sphere radius='2'/>
          </Shape>
        </Transform>
      </Transform>
      <Transform translation='8 0 0'>
        <VisibilitySensor USE='VIS_SENSOR'/>
        <Shape USE='FRAME'/>
      </Transform>
      <Transform translation='-8 0 0'>
        <VisibilitySensor USE='VIS_SENSOR'/>
        <Shape USE='FRAME'/>
      </Transform>
    </Group>
    <ROUTE fromField='isActive' fromNode='VIS_SENSOR' toField='enabled' toNode='TIME'/>
    <ROUTE fromField='fraction_changed' fromNode='TIME' toField='set_fraction' toNode='INTERP_COLOR'/>
    <ROUTE fromField='value_changed' fromNode='INTERP_COLOR' toField='diffuseColor' toNode='COLOR'/>
  </Scene>
</X3D>