@prefix :        <https://www.web3d.org/x3d/content/examples/Basic/NURBS/HoleCentered.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 '3.2' ;
  x3do:noNamespaceSchemaLocation 'https://www.web3d.org/specifications/x3d-3.2.xsd' .
:head a owl:NamedIndividual, x3do:head ;
  x3do:hasParent :X3D ;
  x3do:hasComponent :component_1_1 ;
  x3do:hasMeta :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_11, :meta_1_12, :meta_1_13, :meta_1_14 .
:component_1_1 a owl:NamedIndividual, x3do:component ;
  x3do:hasParent :head ;
  x3do:level 4 ;
  x3do:name 'NURBS' .
:meta_1_2 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'HoleCentered.x3d' ;
  x3do:name 'title' .
:meta_1_3 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'A NurbsTrimmedSurface node rendering a square centered on the origin in the x-y plane; with sides 8 units length. A trimming curve is used to cut out a circle of radius 1 unit centered on the origin. Red (x), Green (y) and Blue (z) line segments represent the x-y-z unit axes.' ;
  x3do:name 'description' .
:meta_1_4 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'HoleCentered.jpg' ;
  x3do:name 'Image' .
:meta_1_5 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'Vincent Marchetti' ;
  x3do:name 'creator' .
:meta_1_6 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content '10 February 2012' ;
  x3do:name 'created' .
:meta_1_7 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content '20 October 2019' ;
  x3do:name 'modified' .
:meta_1_8 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'images/HoleCenteredInstantReality.png' ;
  x3do:name 'Image' .
:meta_1_9 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'images/HoleCenteredXj3D.png' ;
  x3do:name 'Image' .
:meta_1_10 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'http://www.kshell.com/pages/trimmed_nurbs_demo' ;
  x3do:name 'reference' .
:meta_1_11 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'https://www.web3d.org/x3d/content/examples/Basic/NURBS/HoleCentered.x3d' ;
  x3do:name 'identifier' .
:meta_1_12 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'Python language scripting' ;
  x3do:name 'generator' .
:meta_1_13 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit' ;
  x3do:name 'generator' .
:meta_1_14 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content '../license.html' ;
  x3do:name 'license' .
:meta dcterms:title "HoleCentered.x3d" .
:meta dcterms:description "A NurbsTrimmedSurface node rendering a square centered on the origin in the x-y plane; with sides 8 units length. A trimming curve is used to cut out a circle of radius 1 unit centered on the origin. Red (x), Green (y) and Blue (z) line segments represent the x-y-z unit axes." .
:meta dcterms:Image "HoleCentered.jpg" .
:meta dcterms:creator "Vincent Marchetti" .
:meta dcterms:created "10 February 2012" .
:meta dcterms:modified "20 October 2019" .
:meta dcterms:Image "images/HoleCenteredInstantReality.png" .
:meta dcterms:Image "images/HoleCenteredXj3D.png" .
:meta dcterms:reference "http://www.kshell.com/pages/trimmed_nurbs_demo" .
:meta dcterms:identifier "https://www.web3d.org/x3d/content/examples/Basic/NURBS/HoleCentered.x3d" .
:meta dcterms:generator "Python language scripting" .
:meta dcterms:generator "X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit" .
:meta dcterms:license "../license.html" .
:Scene a owl:NamedIndividual, x3do:Scene ;
  x3do:hasParent :X3D ;
  x3do:hasChildren :WorldInfo_2_1, :Viewpoint_2_2, :Background_2_3, :Group_2_4, :Shape_2_5 .
:WorldInfo_2_1 a owl:NamedIndividual, x3do:WorldInfo ;
  x3do:hasParent :Scene ;
  x3do:title 'HoleCentered.x3d' .
:Viewpoint_2_2 a owl:NamedIndividual, x3do:Viewpoint ;
  x3do:hasParent :Scene ;
  x3do:description 'NurbsTrimmedSurface Hole Centered' ;
  x3do:position ( 0 0 12 ) .
:Background_2_3 a owl:NamedIndividual, x3do:Background ;
  x3do:hasParent :Scene ;
  x3do:skyColor ( 1 1 1 ) .
:Group_2_4 a owl:NamedIndividual, x3do:Group ;
  x3do:hasParent :Scene ;
  x3do:hasChildren :Shape_2_4_1, :Shape_2_4_2, :Shape_2_4_3 .
:Shape_2_4_1 a owl:NamedIndividual, x3do:Shape ;
  x3do:hasParent :Group_2_4 ;
  x3do:hasGeometry :LineSet_2_4_1_1 ;
  x3do:hasAppearance :Appearance_2_4_1_2 .
:LineSet_2_4_1_1 a owl:NamedIndividual, x3do:LineSet ;
  x3do:hasParent :Shape_2_4_1 ;
  x3do:hasCoord :Coordinate_2_4_1_1_1 ;
  x3do:vertexCount ( 2 ) .
:Coordinate_2_4_1_1_1 a owl:NamedIndividual, x3do:Coordinate ;
  x3do:hasParent :LineSet_2_4_1_1 ;
  x3do:point ( 0 0 0 1 0 0 ) .
:Appearance_2_4_1_2 a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :Shape_2_4_1 ;
  x3do:hasMaterial :Material_2_4_1_2_1 ;
  x3do:hasLineProperties :LineProperties_2_4_1_2_2 .
:Material_2_4_1_2_1 a owl:NamedIndividual, x3do:Material ;
  x3do:hasParent :Appearance_2_4_1_2 ;
  x3do:emissiveColor ( 1 0 0 ) .
:LineProperties_2_4_1_2_2 a owl:NamedIndividual, x3do:LineProperties ;
  x3do:hasParent :Appearance_2_4_1_2 ;
  x3do:linewidthScaleFactor 2 .
:Shape_2_4_2 a owl:NamedIndividual, x3do:Shape ;
  x3do:hasParent :Group_2_4 ;
  x3do:hasGeometry :LineSet_2_4_2_1 ;
  x3do:hasAppearance :Appearance_2_4_2_2 .
:LineSet_2_4_2_1 a owl:NamedIndividual, x3do:LineSet ;
  x3do:hasParent :Shape_2_4_2 ;
  x3do:hasCoord :Coordinate_2_4_2_1_1 ;
  x3do:vertexCount ( 2 ) .
:Coordinate_2_4_2_1_1 a owl:NamedIndividual, x3do:Coordinate ;
  x3do:hasParent :LineSet_2_4_2_1 ;
  x3do:point ( 0 0 0 0 1 0 ) .
:Appearance_2_4_2_2 a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :Shape_2_4_2 ;
  x3do:hasMaterial :Material_2_4_2_2_1 ;
  x3do:hasLineProperties :LineProperties_2_4_2_2_2 .
:Material_2_4_2_2_1 a owl:NamedIndividual, x3do:Material ;
  x3do:hasParent :Appearance_2_4_2_2 ;
  x3do:emissiveColor ( 0 1 0 ) .
:LineProperties_2_4_2_2_2 a owl:NamedIndividual, x3do:LineProperties ;
  x3do:hasParent :Appearance_2_4_2_2 ;
  x3do:linewidthScaleFactor 2 .
:Shape_2_4_3 a owl:NamedIndividual, x3do:Shape ;
  x3do:hasParent :Group_2_4 ;
  x3do:hasGeometry :LineSet_2_4_3_1 ;
  x3do:hasAppearance :Appearance_2_4_3_2 .
:LineSet_2_4_3_1 a owl:NamedIndividual, x3do:LineSet ;
  x3do:hasParent :Shape_2_4_3 ;
  x3do:hasCoord :Coordinate_2_4_3_1_1 ;
  x3do:vertexCount ( 2 ) .
:Coordinate_2_4_3_1_1 a owl:NamedIndividual, x3do:Coordinate ;
  x3do:hasParent :LineSet_2_4_3_1 ;
  x3do:point ( 0 0 0 0 0 1 ) .
:Appearance_2_4_3_2 a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :Shape_2_4_3 ;
  x3do:hasMaterial :Material_2_4_3_2_1 ;
  x3do:hasLineProperties :LineProperties_2_4_3_2_2 .
:Material_2_4_3_2_1 a owl:NamedIndividual, x3do:Material ;
  x3do:hasParent :Appearance_2_4_3_2 ;
  x3do:emissiveColor ( 0 0 1 ) .
:LineProperties_2_4_3_2_2 a owl:NamedIndividual, x3do:LineProperties ;
  x3do:hasParent :Appearance_2_4_3_2 ;
  x3do:linewidthScaleFactor 2 .
:Shape_2_5 a owl:NamedIndividual, x3do:Shape ;
  x3do:hasParent :Scene ;
  x3do:hasGeometry :NurbsTrimmedSurface_2_5_1 ;
  x3do:hasAppearance :ksh_appearance_1 .
:NurbsTrimmedSurface_2_5_1 a owl:NamedIndividual, x3do:NurbsTrimmedSurface ;
  x3do:hasParent :Shape_2_5 ;
  x3do:hasControlPoint :Coordinate_2_5_1_1 ;
  x3do:hasTrimmingContour :Contour2D_2_5_1_2, :Contour2D_2_5_1_3 ;
  x3do:solid false ;
  x3do:uDimension 2 ;
  x3do:uKnot ( -4 -4 4 4 ) ;
  x3do:uOrder 2 ;
  x3do:vDimension 2 ;
  x3do:vKnot ( -4 -4 4 4 ) ;
  x3do:vOrder 2 ;
  x3do:weight ( 1 1 1 1 ) .
:Coordinate_2_5_1_1 a owl:NamedIndividual, x3do:Coordinate ;
  x3do:hasParent :NurbsTrimmedSurface_2_5_1 ;
  x3do:point ( -4 -4 0 4 -4 0 -4 4 0 4 4 0 ) .
:Contour2D_2_5_1_2 a owl:NamedIndividual, x3do:Contour2D ;
  x3do:hasParent :NurbsTrimmedSurface_2_5_1 ;
  x3do:hasChildren :NurbsCurve2D_2_5_1_2_1 .
:NurbsCurve2D_2_5_1_2_1 a owl:NamedIndividual, x3do:NurbsCurve2D ;
  x3do:hasParent :Contour2D_2_5_1_2 ;
  x3do:controlPoint ( -4 -4 4 -4 4 4 -4 4 -4 -4 ) ;
  x3do:knot ( 0 0 0.25 0.5 0.75 1 1 ) ;
  x3do:order 2 ;
  x3do:weight ( 1 1 1 1 1 ) .
:Contour2D_2_5_1_3 a owl:NamedIndividual, x3do:Contour2D ;
  x3do:hasParent :NurbsTrimmedSurface_2_5_1 ;
  x3do:hasChildren :NurbsCurve2D_2_5_1_3_1 .
:NurbsCurve2D_2_5_1_3_1 a owl:NamedIndividual, x3do:NurbsCurve2D ;
  x3do:hasParent :Contour2D_2_5_1_3 ;
  x3do:controlPoint ( 1 0 0.7071 -0.7071 0 -1 -0.7071 -0.7071 -1 0 -0.7071 0.7071 0 1 0.7071 0.7071 1 0 ) ;
  x3do:knot ( 0 0 0 0.25 0.25 0.5 0.5 0.75 0.75 1 1 1 ) ;
  x3do:weight ( 1 0.7071 1 0.7071 1 0.7071 1 0.7071 1 ) .
:ksh_appearance_1 a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :Shape_2_5 ;
  x3do:hasMaterial :Material_2_5_2_1 ;
  x3do:DEF 'ksh_appearance_1' .
:Material_2_5_2_1 a owl:NamedIndividual, x3do:Material ;
  x3do:hasParent :ksh_appearance_1 ;
  x3do:diffuseColor ( 0 0 1 ) .