@prefix :        <https://www.web3d.org/x3d/content/examples/Savage/Tools/Explosions/ExplodingBuildingPrototype.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 '3.0' ;
  x3do:noNamespaceSchemaLocation 'https://www.web3d.org/specifications/x3d-3.0.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_11, :meta_1_12, :meta_1_13, :meta_1_14, :meta_1_15, :meta_1_16, :meta_1_17, :meta_1_18 .
:meta_1_1 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'ExplodingBuildingPrototype.x3d' ;
  x3do:name 'title' .
:meta_1_2 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'A simple prototype for exploding structure components, experimenting with the "Hello World" of explosions. This prototype demonstrates a simplified and scalable approach for modeling explosions. Each chunk of geometry inside an Exploder prototype is given initial/final position/orientation. Intermediate heights for each polygon are at the same height as the distance traveled over ground.' ;
  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 '1 January 2001' ;
  x3do:name 'created' .
:meta_1_5 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content '28 November 2019' ;
  x3do:name 'modified' .
:meta_1_6 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'Exploding building schematic layout diagram:' ;
  x3do:name 'reference' .
:meta_1_7 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'ExplodingBuildingLayout.pdf' ;
  x3do:name 'Image' .
:meta_1_8 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'ExplodingBuildingSnapshots.pdf' ;
  x3do:name 'Image' .
:meta_1_9 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'ExplodingBuildingMontage.png' ;
  x3do:name 'Image' .
:meta_1_10 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'ExplodingBuildingExampleVideo.mov' ;
  x3do:name 'MovingImage' .
:meta_1_11 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'ExplodingBuildingLargeExample.wrl' ;
  x3do:name 'reference' .
:meta_1_12 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'Rotation calculations performed using the Dizzy utility from Vapour Technologies by James Smith.' ;
  x3do:name 'reference' .
:meta_1_13 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'http://www.vapourtech.com' ;
  x3do:name 'reference' .
:meta_1_14 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'DIS-Java-VRML Working Group' ;
  x3do:name 'reference' .
:meta_1_15 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'https://www.web3d.org/WorkingGroups/vrtp/dis-java-vrml' ;
  x3do:name 'reference' .
:meta_1_16 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'https://www.web3d.org/x3d/content/examples/Savage/Tools/Explosions/ExplodingBuildingPrototype.x3d' ;
  x3do:name 'identifier' .
:meta_1_17 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content 'X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit' ;
  x3do:name 'generator' .
:meta_1_18 a owl:NamedIndividual, x3do:meta ;
  x3do:hasParent :head ;
  x3do:content '../../license.html' ;
  x3do:name 'license' .
:meta dcterms:title "ExplodingBuildingPrototype.x3d" .
:meta dcterms:description "A simple prototype for exploding structure components, experimenting with the \"Hello World\" of explosions. This prototype demonstrates a simplified and scalable approach for modeling explosions. Each chunk of geometry inside an Exploder prototype is given initial/final position/orientation. Intermediate heights for each polygon are at the same height as the distance traveled over ground." .
:meta dcterms:creator "Don Brutzman" .
:meta dcterms:created "1 January 2001" .
:meta dcterms:modified "28 November 2019" .
:meta dcterms:reference "Exploding building schematic layout diagram:" .
:meta dcterms:Image "ExplodingBuildingLayout.pdf" .
:meta dcterms:Image "ExplodingBuildingSnapshots.pdf" .
:meta dcterms:Image "ExplodingBuildingMontage.png" .
:meta dcterms:MovingImage "ExplodingBuildingExampleVideo.mov" .
:meta dcterms:reference "ExplodingBuildingLargeExample.wrl" .
:meta dcterms:reference "Rotation calculations performed using the Dizzy utility from Vapour Technologies by James Smith." .
:meta dcterms:reference "http://www.vapourtech.com" .
:meta dcterms:reference "DIS-Java-VRML Working Group" .
:meta dcterms:reference "https://www.web3d.org/WorkingGroups/vrtp/dis-java-vrml" .
:meta dcterms:identifier "https://www.web3d.org/x3d/content/examples/Savage/Tools/Explosions/ExplodingBuildingPrototype.x3d" .
:meta dcterms:generator "X3D-Edit 3.2, 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_3, :Background_2_4, :Anchor_2_5 ;
  x3do:hasProtoDeclare :ProtoDeclare_2_2 .
:WorldInfo_2_1 a owl:NamedIndividual, x3do:WorldInfo ;
  x3do:hasParent :Scene ;
  x3do:title 'ExplodingBuildingPrototype.x3d' .
:ProtoDeclare_2_2 a owl:NamedIndividual, x3do:ProtoDeclare ;
  x3do:hasParent :Scene ;
  x3do:hasProtoInterface :ProtoInterface_2_2_1 ;
  x3do:hasProtoBody :ProtoBody_2_2_2 ;
  x3do:appinfo 'Explode contained geometry through animation on demand' ;
  x3do:name 'Exploder' .
:ProtoInterface_2_2_1 a owl:NamedIndividual, x3do:ProtoInterface ;
  x3do:hasParent :ProtoDeclare_2_2 ;
  x3do:hasField :field_2_2_1_1, :field_2_2_1_2, :field_2_2_1_3, :field_2_2_1_4, :field_2_2_1_5, :field_2_2_1_6, :field_2_2_1_7 .
:field_2_2_1_1 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoInterface_2_2_1 ;
  x3do:accessType 'initializeOnly' ;
  x3do:appinfo 'geometry node, to be used inside a Shape' ;
  x3do:name 'geometry' ;
  x3do:type 'SFNode' .
:field_2_2_1_2 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoInterface_2_2_1 ;
  x3do:accessType 'initializeOnly' ;
  x3do:appinfo 'Material node for this geometry, to be used inside a Shape' ;
  x3do:name 'material' ;
  x3do:type 'SFNode' .
:field_2_2_1_3 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoInterface_2_2_1 ;
  x3do:accessType 'initializeOnly' ;
  x3do:appinfo 'starting point' ;
  x3do:name 'initialPosition' ;
  x3do:type 'SFVec3f' ;
  x3do:value ( 0 0 0 ) .
:field_2_2_1_4 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoInterface_2_2_1 ;
  x3do:accessType 'initializeOnly' ;
  x3do:appinfo 'finish point' ;
  x3do:name 'finalPosition' ;
  x3do:type 'SFVec3f' ;
  x3do:value ( 0 0 0 ) .
:field_2_2_1_5 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoInterface_2_2_1 ;
  x3do:accessType 'initializeOnly' ;
  x3do:appinfo 'starting point orientation' ;
  x3do:name 'initialOrientation' ;
  x3do:type 'SFRotation' ;
  x3do:value ( 0 1 0 0 ) .
:field_2_2_1_6 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoInterface_2_2_1 ;
  x3do:accessType 'initializeOnly' ;
  x3do:appinfo 'finish point orientation' ;
  x3do:name 'finalOrientation' ;
  x3do:type 'SFRotation' ;
  x3do:value ( 0 1 0 0 ) .
:field_2_2_1_7 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoInterface_2_2_1 ;
  x3do:accessType 'inputOnly' ;
  x3do:appinfo 'animation input' ;
  x3do:name 'set_fraction' ;
  x3do:type 'SFFloat' .
:ProtoBody_2_2_2 a owl:NamedIndividual, x3do:ProtoBody ;
  x3do:hasParent :ProtoDeclare_2_2 ;
  x3do:hasChildren :LocationTransform, :ProtoAnimationScript, :ProtoPositionInterpolator, :ProtoOrientationInterpolator ;
  x3do:hasROUTE :ROUTE_2_2_2_5, :ROUTE_2_2_2_6, :ROUTE_2_2_2_7, :ROUTE_2_2_2_8 .
:LocationTransform a owl:NamedIndividual, x3do:Transform ;
  x3do:hasParent :ProtoBody_2_2_2 ;
  x3do:hasIS :IS_2_2_2_1_1 ;
  x3do:hasChildren :RotationTransform ;
  x3do:DEF 'LocationTransform' .
:IS_2_2_2_1_1 a owl:NamedIndividual, x3do:IS ;
  x3do:hasParent :LocationTransform ;
  x3do:hasConnect :connect_2_2_2_1_1_1 .
:connect_2_2_2_1_1_1 a owl:NamedIndividual, x3do:connect ;
  x3do:hasParent :IS_2_2_2_1_1 ;
  x3do:nodeField 'translation' ;
  x3do:protoField 'initialPosition' .
:RotationTransform a owl:NamedIndividual, x3do:Transform ;
  x3do:hasParent :LocationTransform ;
  x3do:hasIS :IS_2_2_2_1_2_1 ;
  x3do:hasChildren :AnimatedShape ;
  x3do:DEF 'RotationTransform' .
:IS_2_2_2_1_2_1 a owl:NamedIndividual, x3do:IS ;
  x3do:hasParent :RotationTransform ;
  x3do:hasConnect :connect_2_2_2_1_2_1_1 .
:connect_2_2_2_1_2_1_1 a owl:NamedIndividual, x3do:connect ;
  x3do:hasParent :IS_2_2_2_1_2_1 ;
  x3do:nodeField 'rotation' ;
  x3do:protoField 'initialOrientation' .
:AnimatedShape a owl:NamedIndividual, x3do:Shape ;
  x3do:hasParent :RotationTransform ;
  x3do:hasIS :IS_2_2_2_1_2_2_1 ;
  x3do:hasAppearance :AnimatedShapeAppearance ;
  x3do:DEF 'AnimatedShape' .
:IS_2_2_2_1_2_2_1 a owl:NamedIndividual, x3do:IS ;
  x3do:hasParent :AnimatedShape ;
  x3do:hasConnect :connect_2_2_2_1_2_2_1_1 .
:connect_2_2_2_1_2_2_1_1 a owl:NamedIndividual, x3do:connect ;
  x3do:hasParent :IS_2_2_2_1_2_2_1 ;
  x3do:nodeField 'geometry' ;
  x3do:protoField 'geometry' .
:AnimatedShapeAppearance a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :AnimatedShape ;
  x3do:hasIS :IS_2_2_2_1_2_2_2_1 ;
  x3do:DEF 'AnimatedShapeAppearance' .
:IS_2_2_2_1_2_2_2_1 a owl:NamedIndividual, x3do:IS ;
  x3do:hasParent :AnimatedShapeAppearance ;
  x3do:hasConnect :connect_2_2_2_1_2_2_2_1_1 .
:connect_2_2_2_1_2_2_2_1_1 a owl:NamedIndividual, x3do:connect ;
  x3do:hasParent :IS_2_2_2_1_2_2_2_1 ;
  x3do:nodeField 'material' ;
  x3do:protoField 'material' .
:ProtoAnimationScript a owl:NamedIndividual, x3do:Script ;
  x3do:hasParent :ProtoBody_2_2_2 ;
  x3do:hasField :field_2_2_2_2_1, :field_2_2_2_2_2, :field_2_2_2_2_3, :field_2_2_2_2_4, :field_2_2_2_2_5, :field_2_2_2_2_6 ;
  x3do:hasIS :IS_2_2_2_2_7 ;
  x3do:DEF 'ProtoAnimationScript' ;
  x3do:sourceCode """
ecmascript:

function initialize ()
{
	dx = finalPosition.x - initialPosition.x;
	dy = finalPosition.y - initialPosition.y;
	dz = finalPosition.z - initialPosition.z;
//	Browser.println ('dx=' + dx + ', dy=' + dy + ', dz=' + dz);
	distance = Math.sqrt (dx*dx + dy*dy + dz*dz);
//	Browser.println ('distance          =' + distance);
	quarterPoint   = initialPosition.add (new SFVec3f (  dx/4,   dy/4 + 0.707*distance,     dz/4));
	halfwaypoint   = initialPosition.add (new SFVec3f (  dx/2,   dy/2 +       distance,     dz/2));
	three4thsPoint = initialPosition.add (new SFVec3f (3*dx/4, 3*dy/4 + 0.707*distance/2, 3*dz/4));
	position_changeds = new MFVec3f (initialPosition, initialPosition, quarterPoint, halfwaypoint, three4thsPoint, finalPosition);
//	Browser.println ('position_changeds    =' + position_changeds);
	rotationValues = new MFRotation (initialOrientation, finalOrientation);

//	Browser.println ('initialPosition   =' + initialPosition);
//	Browser.println ('finalPosition     =' + finalPosition);
//	Browser.println ('position_changeds    =' + position_changeds);
//	Browser.println ('initialOrientation=' + initialOrientation);
//	Browser.println ('finalOrientation  =' + finalOrientation);
//	Browser.println ('rotationValues=' + rotationValues);
}
""" .
:field_2_2_2_2_1 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoAnimationScript ;
  x3do:accessType 'initializeOnly' ;
  x3do:name 'initialPosition' ;
  x3do:type 'SFVec3f' .
:field_2_2_2_2_2 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoAnimationScript ;
  x3do:accessType 'initializeOnly' ;
  x3do:name 'finalPosition' ;
  x3do:type 'SFVec3f' .
:field_2_2_2_2_3 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoAnimationScript ;
  x3do:accessType 'initializeOnly' ;
  x3do:name 'initialOrientation' ;
  x3do:type 'SFRotation' .
:field_2_2_2_2_4 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoAnimationScript ;
  x3do:accessType 'initializeOnly' ;
  x3do:name 'finalOrientation' ;
  x3do:type 'SFRotation' .
:field_2_2_2_2_5 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoAnimationScript ;
  x3do:accessType 'outputOnly' ;
  x3do:name 'position_changeds' ;
  x3do:type 'MFVec3f' .
:field_2_2_2_2_6 a owl:NamedIndividual, x3do:field ;
  x3do:hasParent :ProtoAnimationScript ;
  x3do:accessType 'outputOnly' ;
  x3do:name 'rotationValues' ;
  x3do:type 'MFRotation' .
:IS_2_2_2_2_7 a owl:NamedIndividual, x3do:IS ;
  x3do:hasParent :ProtoAnimationScript ;
  x3do:hasConnect :connect_2_2_2_2_7_1, :connect_2_2_2_2_7_2, :connect_2_2_2_2_7_3, :connect_2_2_2_2_7_4 .
:connect_2_2_2_2_7_1 a owl:NamedIndividual, x3do:connect ;
  x3do:hasParent :IS_2_2_2_2_7 ;
  x3do:nodeField 'initialPosition' ;
  x3do:protoField 'initialPosition' .
:connect_2_2_2_2_7_2 a owl:NamedIndividual, x3do:connect ;
  x3do:hasParent :IS_2_2_2_2_7 ;
  x3do:nodeField 'finalPosition' ;
  x3do:protoField 'finalPosition' .
:connect_2_2_2_2_7_3 a owl:NamedIndividual, x3do:connect ;
  x3do:hasParent :IS_2_2_2_2_7 ;
  x3do:nodeField 'initialOrientation' ;
  x3do:protoField 'initialOrientation' .
:connect_2_2_2_2_7_4 a owl:NamedIndividual, x3do:connect ;
  x3do:hasParent :IS_2_2_2_2_7 ;
  x3do:nodeField 'finalOrientation' ;
  x3do:protoField 'finalOrientation' .
:ProtoPositionInterpolator a owl:NamedIndividual, x3do:PositionInterpolator ;
  x3do:hasParent :ProtoBody_2_2_2 ;
  x3do:hasIS :IS_2_2_2_3_1 ;
  x3do:DEF 'ProtoPositionInterpolator' ;
  x3do:key ( 0 0.2 0.4 0.6 0.8 1 ) ;
  x3do:keyValue ( 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ) .
:IS_2_2_2_3_1 a owl:NamedIndividual, x3do:IS ;
  x3do:hasParent :ProtoPositionInterpolator ;
  x3do:hasConnect :connect_2_2_2_3_1_1 .
:connect_2_2_2_3_1_1 a owl:NamedIndividual, x3do:connect ;
  x3do:hasParent :IS_2_2_2_3_1 ;
  x3do:nodeField 'set_fraction' ;
  x3do:protoField 'set_fraction' .
:ProtoOrientationInterpolator a owl:NamedIndividual, x3do:OrientationInterpolator ;
  x3do:hasParent :ProtoBody_2_2_2 ;
  x3do:hasIS :IS_2_2_2_4_1 ;
  x3do:DEF 'ProtoOrientationInterpolator' ;
  x3do:key ( 0 1 ) ;
  x3do:keyValue ( 0 1 0 0 0 1 0 0 ) .
:IS_2_2_2_4_1 a owl:NamedIndividual, x3do:IS ;
  x3do:hasParent :ProtoOrientationInterpolator ;
  x3do:hasConnect :connect_2_2_2_4_1_1 .
:connect_2_2_2_4_1_1 a owl:NamedIndividual, x3do:connect ;
  x3do:hasParent :IS_2_2_2_4_1 ;
  x3do:nodeField 'set_fraction' ;
  x3do:protoField 'set_fraction' .
:ROUTE_2_2_2_5 a owl:NamedIndividual, x3do:ROUTE ;
  x3do:hasParent :ProtoBody_2_2_2 ;
  x3do:fromField 'value_changed' ;
  x3do:fromNode 'ProtoPositionInterpolator' ;
  x3do:toField 'translation' ;
  x3do:toNode 'LocationTransform' .
:ROUTE_2_2_2_6 a owl:NamedIndividual, x3do:ROUTE ;
  x3do:hasParent :ProtoBody_2_2_2 ;
  x3do:fromField 'value_changed' ;
  x3do:fromNode 'ProtoOrientationInterpolator' ;
  x3do:toField 'rotation' ;
  x3do:toNode 'RotationTransform' .
:ROUTE_2_2_2_7 a owl:NamedIndividual, x3do:ROUTE ;
  x3do:hasParent :ProtoBody_2_2_2 ;
  x3do:fromField 'position_changeds' ;
  x3do:fromNode 'ProtoAnimationScript' ;
  x3do:toField 'keyValue' ;
  x3do:toNode 'ProtoPositionInterpolator' .
:ROUTE_2_2_2_8 a owl:NamedIndividual, x3do:ROUTE ;
  x3do:hasParent :ProtoBody_2_2_2 ;
  x3do:fromField 'rotationValues' ;
  x3do:fromNode 'ProtoAnimationScript' ;
  x3do:toField 'keyValue' ;
  x3do:toNode 'ProtoOrientationInterpolator' .
:Viewpoint_2_3 a owl:NamedIndividual, x3do:Viewpoint ;
  x3do:hasParent :Scene ;
  x3do:description 'ExplodingBuilding Prototype' ;
  x3do:position ( 0 0 12 ) .
:Background_2_4 a owl:NamedIndividual, x3do:Background ;
  x3do:hasParent :Scene ;
  x3do:groundAngle ( 1.57 ) ;
  x3do:groundColor ( 0.6 0.9 0.6 0.6 0.9 0.6 ) ;
  x3do:skyColor ( 0.6 0.6 0.9 ) .
:Anchor_2_5 a owl:NamedIndividual, x3do:Anchor ;
  x3do:hasParent :Scene ;
  x3do:hasChildren :Shape_2_5_1 ;
  x3do:description 'ExplodingBuilding Example' ;
  x3do:parameter '"target=_blank"' ;
  x3do:url '"ExplodingBuildingExample.x3d" "https://www.web3d.org/x3d/content/examples/Savage/Tools/Explosions/ExplodingBuildingExample.x3d" "ExplodingBuildingExample.wrl" "https://www.web3d.org/x3d/content/examples/Savage/Tools/Explosions/ExplodingBuildingExample.wrl"' .
:Shape_2_5_1 a owl:NamedIndividual, x3do:Shape ;
  x3do:hasParent :Anchor_2_5 ;
  x3do:hasGeometry :Text_2_5_1_1 ;
  x3do:hasAppearance :Appearance_2_5_1_2 .
:Text_2_5_1_1 a owl:NamedIndividual, x3do:Text ;
  x3do:hasParent :Shape_2_5_1 ;
  x3do:hasFontStyle :FontStyle_2_5_1_1_1 ;
  x3do:string '"ExplodingBuildingPrototype" "is a prototype definition file" "" "Click this text to see" "ExplodingBuildingExample"' .
:FontStyle_2_5_1_1_1 a owl:NamedIndividual, x3do:FontStyle ;
  x3do:hasParent :Text_2_5_1_1 ;
  x3do:justify '"MIDDLE" "MIDDLE"' .
:Appearance_2_5_1_2 a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :Shape_2_5_1 ;
  x3do:hasMaterial :Material_2_5_1_2_1 .
:Material_2_5_1_2_1 a owl:NamedIndividual, x3do:Material ;
  x3do:hasParent :Appearance_2_5_1_2 ;
  x3do:diffuseColor ( 0.2 0.2 0.8 ) .