<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "https://www.web3d.org/specifications/x3d-3.3.dtd">
<X3D profile='Immersive' version='3.3'  xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation =' https://www.web3d.org/specifications/x3d-3.3.xsd '>
<head>
<meta name='title' content='SpotLightVisualization.x3d'/>
<meta name='description' content='Create outline geometry to show SpotLight coverage. Author TODO: use the X3D-Edit SpotLight editor to modify and re-visualize the first SpotLight.'/>
<meta name='creator' content='Don Brutzman'/>
<meta name='created' content='14 November 2009'/>
<meta name='generated' content='14 November 2009'/>
<meta name='modified' content='20 October 2019'/>
<meta name='reference' content='SpotLightVisualization.png'/>
<meta name='identifier' content=' https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter11LightingEnvironmentalEffects/SpotLightVisualization.x3d '/>
<meta name='generator' content='../Chapter09EventUtilitiesScripting/CircleLines.java'/>
<meta name='license' content=' ../license.html'/>
</head>
<!--
Index for DEF nodes : BeamLines, CoordinateAxes, CutOffCone, LeftSide, PolygonalWall, RightSide
Index for Viewpoint images : Viewpoint_1, Viewpoint_2, Viewpoint_3, Viewpoint_4, Viewpoint_5
-->
<Scene>
<WorldInfo title='SpotLightVisualization.x3d'/>
<NavigationInfo headlight='false'/>
<Background skyColor='0.05 0.1 0.2'/>
<Viewpoint centerOfRotation='0 0 -5' description='Two examples of a single SpotLight' position='0 0 15'/>
<Viewpoint centerOfRotation='0 0 -5' description='View from above' orientation='1 0 0 -0.588' position='0 10 10'/>
<Transform DEF='RightSide' translation='6 0 0'>
<!-- Author TODO: use the X3D-Edit SpotLight editor to modify and re-visualize the first SpotLight -->
<SpotLight beamWidth='0.1745' color='0.8 0.8 0.2' cutOffAngle='0.7837' radius='10'/>
<Viewpoint description='View from behind DirectionalLight' orientation='-0.8932 0.4488 0.0279 0.1389' position='0.5 1 8'/>
<Inline DEF='CoordinateAxes'
  url=' "../../X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d" "https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d" "https://savage.nps.edu/Savage/Tools/Authoring/CoordinateAxes.x3d" "../../X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.wrl" "https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.wrl" "https://savage.nps.edu/Savage/Tools/Authoring/CoordinateAxes.wrl" '/>
<Transform DEF='PolygonalWall' rotation='1 0 0 1.57079' translation='-5 5 -5'>
<Shape>
<ElevationGrid solid='false' xDimension='11' zDimension='11' height='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0'/>
<Appearance>
<Material diffuseColor='1 1 1'/>
</Appearance>
</Shape>
</Transform>
</Transform>
<Transform DEF='LeftSide' translation='-6 0 0'>
<!-- Watch out for global scope bugs if you copy a light by DEF/USE -->
<SpotLight beamWidth='0.1745' color='0.8 0.8 0.2' cutOffAngle='0.7837' radius='10'/>
<Viewpoint description='View from behind SpotLight' orientation='-0.8932 0.4488 0.0279 0.1389' position='0.5 1 8'/>
<Viewpoint description='Side view of SpotLight outline' orientation='0 1 0 1.57079' position='12 0 -2.5'/>
<Transform DEF='BeamLines' scale='1 1 5'>
<!-- CircleLines made out of 24 line segments, turned into a cone with 8 side lines -->
<Shape>
<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 25 0 -1 25 3 -1 25 6 -1 25 9 -1 25 12 -1 25 15 -1 25 18 -1 25 21 -1'>
<Coordinate point='0 1 -1 0.259 0.966 -1 0.5 0.866 -1 0.707 0.707 -1 0.866 0.5 -1 0.966 0.259 -1 1 0 -1 0.966 -0.259 -1 0.866 -0.5 -1 0.707 -0.707 -1 0.5 -0.866 -1 0.259 -0.966 -1 0 -1 -1 -0.259 -0.966 -1 -0.5 -0.866 -1 -0.707 -0.707 -1 -0.866 -0.5 -1 -0.966 -0.259 -1 -1 -0 -1 -0.966 0.259 -1 -0.866 0.5 -1 -0.707 0.707 -1 -0.5 0.866 -1 -0.259 0.966 -1 0 1 -1 0 0 0 0 0 -1'/>
</IndexedLineSet>
<Appearance>
<Material emissiveColor='0.8 0.8 0.2'/>
</Appearance>
</Shape>
<Shape>
<IndexedLineSet coordIndex='0 1 -1'>
<Coordinate point='0 0 0 0 0 -1'/>
</IndexedLineSet>
<Appearance>
<Material/>
</Appearance>
</Shape>
</Transform>
<Transform DEF='CutOffCone' scale='5 5 5'>
<Transform rotation='1 0 0 1.57079' translation='0 0 -0.5'>
<Shape>
<Cone bottom='false' height='1'/>
<Appearance>
<Material diffuseColor='0 0 0' emissiveColor='0.4 0.4 0.1' transparency='0.75'/>
</Appearance>
</Shape>
</Transform>
</Transform>
<Inline USE='CoordinateAxes'/>
<Transform USE='PolygonalWall'/>
</Transform>
</Scene>
</X3D>
<!--
Index for DEF nodes : BeamLines, CoordinateAxes, CutOffCone, LeftSide, PolygonalWall, RightSide
Index for Viewpoint images : Viewpoint_1, Viewpoint_2, Viewpoint_3, Viewpoint_4, Viewpoint_5
-->

<!-- Color key: <X3dNode DEF='idName' field='value'/> matches <XmlElement DEF='idName' attribute='value'/>
(Light blue background: behavior node) (Grey background: inserted documentation) (Magenta background: X3D Extensibility)
-->

<!-- For additional help information about X3D scenes, please see X3D Tooltips, X3D Resources and X3D Scene Authoring Hints. -->