@prefix :        <https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter11LightingEnvironmentalEffects/SpotLightVisualization.ttl#> .
@prefix owl:     <http://www.w3.org/2002/07/owl#> .
@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema:  <http://schema.org/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
@prefix x3d:     <https://www.web3d.org/specifications/x3d-4.0.xsd#> .
@prefix x3do:    <https://www.web3d.org/specifications/X3dOntology4.0#> .

:X3D a owl:NamedIndividual, x3do:X3D ;
  x3do:hasHead :head ;
  x3do:hasScene :Scene ;
  x3do:profile 'Immersive' ;
  x3do:version '3.3' ;
  x3do:noNamespaceSchemaLocation 'https://www.web3d.org/specifications/x3d-3.3.xsd' .
:head a owl:NamedIndividual, x3do:head ;
  x3do:hasParent :X3D ;
  x3do:hasMeta :meta_1_1, :meta_1_2, :meta_1_3, :meta_1_4, :meta_1_5, :meta_1_6, :meta_1_7, :meta_1_8, :meta_1_9, :meta_1_10 .
:meta_1_1 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'SpotLightVisualization.x3d' ;
  x3do:name 'title' .
:meta_1_2 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'Create outline geometry to show SpotLight coverage. Author TODO: use the X3D-Edit SpotLight editor to modify and re-visualize the first SpotLight.' ;
  x3do:name 'description' .
:meta_1_3 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'Don Brutzman' ;
  x3do:name 'creator' .
:meta_1_4 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content '14 November 2009' ;
  x3do:name 'created' .
:meta_1_5 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content '14 November 2009' ;
  x3do:name 'generated' .
:meta_1_6 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content '2 March 2026' ;
  x3do:name 'modified' .
:meta_1_7 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'SpotLightVisualization.png' ;
  x3do:name 'reference' .
:meta_1_8 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter11LightingEnvironmentalEffects/SpotLightVisualization.x3d' ;
  x3do:name 'identifier' .
:meta_1_9 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content '../Chapter09EventUtilitiesScripting/CircleLines.java' ;
  x3do:name 'generator' .
:meta_1_10 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content '../license.html' ;
  x3do:name 'license' .
:meta dcterms:title "SpotLightVisualization.x3d" .
:meta dcterms:description "Create outline geometry to show SpotLight coverage. Author TODO: use the X3D-Edit SpotLight editor to modify and re-visualize the first SpotLight." .
:meta dcterms:creator "Don Brutzman" .
:meta dcterms:created "14 November 2009" .
:meta dcterms:modified "2 March 2026" .
:meta dcterms:reference "SpotLightVisualization.png" .
:meta dcterms:identifier "https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter11LightingEnvironmentalEffects/SpotLightVisualization.x3d" .
:meta dcterms:generator "../Chapter09EventUtilitiesScripting/CircleLines.java" .
:meta dcterms:license "../license.html" .
:Scene a owl:NamedIndividual, x3do:Scene ;
  x3do:hasParent :X3D ;
  x3do:hasChildren :WorldInfo_2_1, :NavigationInfo_2_2, :Background_2_3, :Viewpoint_2_4, :Viewpoint_2_5, :RightSide, :LeftSide .
:WorldInfo_2_1 a owl:NamedIndividual, x3do:WorldInfo ;
  x3do:hasParent :Scene ;
  x3do:title 'SpotLightVisualization.x3d' .
:NavigationInfo_2_2 a owl:NamedIndividual, x3do:NavigationInfo ;
  x3do:hasParent :Scene ;
  x3do:headlight false .
:Background_2_3 a owl:NamedIndividual, x3do:Background ;
  x3do:hasParent :Scene ;
  x3do:skyColor ( 0.05 0.1 0.2 ) .
:Viewpoint_2_4 a owl:NamedIndividual, x3do:Viewpoint ;
  x3do:hasParent :Scene ;
  x3do:centerOfRotation ( 0 0 -5 ) ;
  x3do:description 'Two examples of a single SpotLight' ;
  x3do:position ( 0 0 15 ) .
:Viewpoint_2_5 a owl:NamedIndividual, x3do:Viewpoint ;
  x3do:hasParent :Scene ;
  x3do:centerOfRotation ( 0 0 -5 ) ;
  x3do:description 'View from above' ;
  x3do:orientation ( 1 0 0 -0.588 ) ;
  x3do:position ( 0 10 10 ) .
:RightSide a owl:NamedIndividual, x3do:Transform ;
  x3do:hasParent :Scene ;
  x3do:hasChildren :SpotLight_2_6_1, :Viewpoint_2_6_2, :CoordinateAxes, :PolygonalWall ;
  x3do:DEF 'RightSide' ;
  x3do:translation ( 6 0 0 ) .
:SpotLight_2_6_1 a owl:NamedIndividual, x3do:SpotLight ;
  x3do:hasParent :RightSide ;
  x3do:beamWidth 0.1745 ;
  x3do:color ( 0.8 0.8 0.2 ) ;
  x3do:cutOffAngle 0.7837 ;
  x3do:radius 10 .
:Viewpoint_2_6_2 a owl:NamedIndividual, x3do:Viewpoint ;
  x3do:hasParent :RightSide ;
  x3do:description 'View from behind DirectionalLight' ;
  x3do:orientation ( -0.8932 0.4488 0.0279 0.1389 ) ;
  x3do:position ( 0.5 1 8 ) .
:CoordinateAxes a owl:NamedIndividual, x3do:Inline ;
  x3do:hasParent :RightSide ;
  x3do:DEF 'CoordinateAxes' ;
  x3do:url '"../../X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d" "https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d" "https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/CoordinateAxes.x3d" "../../X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.wrl" "https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.wrl" "https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/CoordinateAxes.wrl"' .
:PolygonalWall a owl:NamedIndividual, x3do:Transform ;
  x3do:hasParent :RightSide ;
  x3do:hasChildren :Shape_2_6_4_1 ;
  x3do:DEF 'PolygonalWall' ;
  x3do:rotation ( 1 0 0 1.57079 ) ;
  x3do:translation ( -5 5 -5 ) .
:Shape_2_6_4_1 a owl:NamedIndividual, x3do:Shape ;
  x3do:hasParent :PolygonalWall ;
  x3do:hasGeometry :ElevationGrid_2_6_4_1_1 ;
  x3do:hasAppearance :Appearance_2_6_4_1_2 .
:ElevationGrid_2_6_4_1_1 a owl:NamedIndividual, x3do:ElevationGrid ;
  x3do:hasParent :Shape_2_6_4_1 ;
  x3do: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 ) ;
  x3do:solid false ;
  x3do:xDimension 11 ;
  x3do:zDimension 11 .
:Appearance_2_6_4_1_2 a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :Shape_2_6_4_1 ;
  x3do:hasMaterial :Material_2_6_4_1_2_1 .
:Material_2_6_4_1_2_1 a owl:NamedIndividual, x3do:Material ;
  x3do:hasParent :Appearance_2_6_4_1_2 ;
  x3do:diffuseColor ( 1 1 1 ) .
:LeftSide a owl:NamedIndividual, x3do:Transform ;
  x3do:hasParent :Scene ;
  x3do:hasChildren :SpotLight_2_7_1, :Viewpoint_2_7_2, :Viewpoint_2_7_3, :BeamLines, :CutOffCone, :CoordinateAxes-USE-1, :PolygonalWall-USE-1 ;
  x3do:DEF 'LeftSide' ;
  x3do:translation ( -6 0 0 ) .
:SpotLight_2_7_1 a owl:NamedIndividual, x3do:SpotLight ;
  x3do:hasParent :LeftSide ;
  x3do:beamWidth 0.1745 ;
  x3do:color ( 0.8 0.8 0.2 ) ;
  x3do:cutOffAngle 0.7837 ;
  x3do:radius 10 .
:Viewpoint_2_7_2 a owl:NamedIndividual, x3do:Viewpoint ;
  x3do:hasParent :LeftSide ;
  x3do:description 'View from behind SpotLight' ;
  x3do:orientation ( -0.8932 0.4488 0.0279 0.1389 ) ;
  x3do:position ( 0.5 1 8 ) .
:Viewpoint_2_7_3 a owl:NamedIndividual, x3do:Viewpoint ;
  x3do:hasParent :LeftSide ;
  x3do:description 'Side view of SpotLight outline' ;
  x3do:orientation ( 0 1 0 1.57079 ) ;
  x3do:position ( 12 0 -2.5 ) .
:BeamLines a owl:NamedIndividual, x3do:Transform ;
  x3do:hasParent :LeftSide ;
  x3do:hasChildren :Shape_2_7_4_1, :Shape_2_7_4_2 ;
  x3do:DEF 'BeamLines' ;
  x3do:scale ( 1 1 5 ) .
:Shape_2_7_4_1 a owl:NamedIndividual, x3do:Shape ;
  x3do:hasParent :BeamLines ;
  x3do:hasGeometry :IndexedLineSet_2_7_4_1_1 ;
  x3do:hasAppearance :Appearance_2_7_4_1_2 .
:IndexedLineSet_2_7_4_1_1 a owl:NamedIndividual, x3do:IndexedLineSet ;
  x3do:hasParent :Shape_2_7_4_1 ;
  x3do:hasCoord :Coordinate_2_7_4_1_1_1 ;
  x3do: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_2_7_4_1_1_1 a owl:NamedIndividual, x3do:Coordinate ;
  x3do:hasParent :IndexedLineSet_2_7_4_1_1 ;
  x3do: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 ) .
:Appearance_2_7_4_1_2 a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :Shape_2_7_4_1 ;
  x3do:hasMaterial :Material_2_7_4_1_2_1 .
:Material_2_7_4_1_2_1 a owl:NamedIndividual, x3do:Material ;
  x3do:hasParent :Appearance_2_7_4_1_2 ;
  x3do:emissiveColor ( 0.8 0.8 0.2 ) .
:Shape_2_7_4_2 a owl:NamedIndividual, x3do:Shape ;
  x3do:hasParent :BeamLines ;
  x3do:hasGeometry :IndexedLineSet_2_7_4_2_1 ;
  x3do:hasAppearance :Appearance_2_7_4_2_2 .
:IndexedLineSet_2_7_4_2_1 a owl:NamedIndividual, x3do:IndexedLineSet ;
  x3do:hasParent :Shape_2_7_4_2 ;
  x3do:hasCoord :Coordinate_2_7_4_2_1_1 ;
  x3do:coordIndex ( 0 1 -1 ) .
:Coordinate_2_7_4_2_1_1 a owl:NamedIndividual, x3do:Coordinate ;
  x3do:hasParent :IndexedLineSet_2_7_4_2_1 ;
  x3do:point ( 0 0 0 0 0 -1 ) .
:Appearance_2_7_4_2_2 a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :Shape_2_7_4_2 ;
  x3do:hasMaterial :Material_2_7_4_2_2_1 .
:Material_2_7_4_2_2_1 a owl:NamedIndividual, x3do:Material ;
  x3do:hasParent :Appearance_2_7_4_2_2 .
:CutOffCone a owl:NamedIndividual, x3do:Transform ;
  x3do:hasParent :LeftSide ;
  x3do:hasChildren :Transform_2_7_5_1 ;
  x3do:DEF 'CutOffCone' ;
  x3do:scale ( 5 5 5 ) .
:Transform_2_7_5_1 a owl:NamedIndividual, x3do:Transform ;
  x3do:hasParent :CutOffCone ;
  x3do:hasChildren :Shape_2_7_5_1_1 ;
  x3do:rotation ( 1 0 0 1.57079 ) ;
  x3do:translation ( 0 0 -0.5 ) .
:Shape_2_7_5_1_1 a owl:NamedIndividual, x3do:Shape ;
  x3do:hasParent :Transform_2_7_5_1 ;
  x3do:hasGeometry :Cone_2_7_5_1_1_1 ;
  x3do:hasAppearance :Appearance_2_7_5_1_1_2 .
:Cone_2_7_5_1_1_1 a owl:NamedIndividual, x3do:Cone ;
  x3do:hasParent :Shape_2_7_5_1_1 ;
  x3do:bottom false ;
  x3do:height 1 .
:Appearance_2_7_5_1_1_2 a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :Shape_2_7_5_1_1 ;
  x3do:hasMaterial :Material_2_7_5_1_1_2_1 .
:Material_2_7_5_1_1_2_1 a owl:NamedIndividual, x3do:Material ;
  x3do:hasParent :Appearance_2_7_5_1_1_2 ;
  x3do:diffuseColor ( 0 0 0 ) ;
  x3do:emissiveColor ( 0.4 0.4 0.1 ) ;
  x3do:transparency 0.75 .
:CoordinateAxes-USE-1 a owl:NamedIndividual, x3do:Inline ;
  x3do:hasParent :LeftSide ;
  owl:sameAs :CoordinateAxes . # DEF matching this USE
:PolygonalWall-USE-1 a owl:NamedIndividual, x3do:Transform ;
  x3do:hasParent :LeftSide ;
  owl:sameAs :PolygonalWall . # DEF matching this USE