| 1 | 
            <?xml version="1.0" encoding="UTF-8"?>
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| 2 | 
            <!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "https://www.web3d.org/specifications/x3d-3.3.dtd">
          | 
      
| 3 | <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'> | 
| 4 | <head> | 
| 5 | <meta name='title' content=' MetadataNodeExamplesX3D3.x3d '/> | 
| 6 | <meta name='description' content='Simple examples of meta statements, comments, WorldInfo node and typed metadata nodes.'/> | 
| 7 | <meta name='creator' content='Don Brutzman'/> | 
| 8 | <meta name='created' content='30 September 2011'/> | 
| 9 | <meta name='modified' content='30 September 2023'/> | 
| 10 | <meta name='reference' content='Original name MetadataNodeExamples.x3d, renamed since handling of metadata containerField defaults changed in X3D4.'/> | 
| 11 | <meta name='reference' content=' MetadataNodeExamplesX3D4.x3d '/> | 
| 12 | <meta name='specificationSection' content='X3D 4.0 Architecture, ISO/IEC 19775-1:2023, 4 Concepts, 4.3.2 Root nodes'/> | 
| 13 | <meta name='specificationUrl' content='https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/concepts.html#Rootnodes'/> | 
| 14 | <meta name='info' content='Information in head and meta elements is retained after a scene is parsed and loaded, and can be referenced via the Scene Access Interface (SAI) or Document Object Model (DOM)'/> | 
| 15 | <meta name='info' content='Authoring note: MetadataBoolean requires X3D version 3.3, as used in this example scene'/> | 
| 16 | <meta name='reference' content='The following referenced chapter is published online but was not included in the printed book.'/> | 
| 17 | <meta name='reference' content=' Chapter15MetadataInformation.html '/> | 
| 18 | <meta name='reference' content=' https://x3dgraphics.com/chapters/Chapter15MetadataInformation.html '/> | 
| 19 | <meta name='reference' content='https://X3dGraphics.com'/> | 
| 20 | <meta name='reference' content=' https://www.web3d.org/x3d/content/examples/X3dResources.html '/> | 
| 21 | <meta name='rights' content='Copyright 2006, Daly Realism and Don Brutzman'/> | 
| 22 | <meta name='subject' content='X3D book, X3D graphics, X3D-Edit, http://www.x3dGraphics.com'/> | 
| 23 | <meta name='identifier' content=' https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter15Metadata/MetadataNodeExamplesX3D3.x3d '/> | 
| 24 | <meta name='generator' content='X3D-Edit 4.0, https://www.web3d.org/x3d/tools/X3D-Edit'/> | 
| 25 | <meta name='license' content='../license.html'/> | 
| 26 | </head> | 
| 27 | <Scene> | 
| 28 | <!-- May 2017: X3D4 Architecture Specification clarification allows Metadata nodes at top level of Scene graph. --> | 
| 29 | <MetadataString name='TestRootMetadataNode' value='"Check whether scene root Metadata* node is satisfactory." "Note that all SFString values must be quoted."'/> | 
| 30 | <!-- Comments can appear between nodes (XML elements) but are not retained after a scene is parsed, loaded and playing --> | 
| 31 | <WorldInfo DEF='MyWorldInfo' info='"Metadata strings" "can go here" "as string array values"' title='MetadataNodeExamplesX3D3.x3d Example Scene'> | 
| 32 | <!-- Structured information can go in Metadata nodes. Note that any X3D node can contain a single Metadata node with containerField='metadata' --> | 
| 33 | <MetadataSet DEF='MyMetadataSetNode' name='Metadata_name' reference='SomeReferenceStandard 1.2.3c'> | 
| 34 | <MetadataBoolean DEF='MyMetadataBooleanNode' containerField='value' name='Coin Flip' reference='MetadataBoolean supported in X3D v3.3 and later' value='true false true false'/> | 
| 35 | <MetadataDouble DEF='MyMetadataDoubleNode' containerField='value' name='Metadata_name' reference='SomeReferenceStandard 1.2.3c' value='3.141592658 2.71812181'/> | 
| 36 | 
                                     
                                      
 
                    <!-- MetadataFloat
                                    MyMetadataFloatNode is a DEF node that has 1 USE node: USE_1 --> <MetadataFloat DEF='MyMetadataFloatNode' containerField='value' name='Metadata_name' reference='SomeReferenceStandard 1.2.3c' value='9.8 6.023e+23'/>  | 
                              
| 37 | 
                                     
                                      
 
                    <!-- MetadataInteger
                                    MyMetadataIntegerNode is a DEF node that has 1 USE node: USE_1 --> <MetadataInteger DEF='MyMetadataIntegerNode' containerField='value' name='Metadata_name' reference='SomeReferenceStandard 1.2.3c' value='6 28 496'/>  | 
                              
| 38 | 
                                     
                                      
 
                    <!-- MetadataString
                                    MyMetadataStringNode is a DEF node that has 1 USE node: USE_1 --> <MetadataString DEF='MyMetadataStringNode' containerField='value' name='Metadata_name' reference='SomeReferenceStandard 1.2.3c' value='"Part 27" "P27" "p27"'/>  | 
                              
| 39 | <MetadataSet DEF='NestedMetadataSetNode' name='TestNestedMetadataSetNodes'> | 
| 40 | <!-- MetadataSet can also contain multiple Metadata nodes with explicit containerField='value' including USE nodes --> | 
| 41 | <MetadataString USE='MyMetadataStringNode' containerField='value'/> | 
| 42 | <MetadataInteger USE='MyMetadataIntegerNode' containerField='value'/> | 
| 43 | <MetadataFloat USE='MyMetadataFloatNode' containerField='value'/> | 
| 44 | <MetadataFloat containerField='value' name='coefficients' value='3.141592653 2.7128 1 0'/> | 
| 45 | </MetadataSet> | 
| 46 | </MetadataSet> | 
| 47 | </WorldInfo> | 
| 48 | <Background skyColor='0 0.439216 0.760784'/> | 
| 49 | <Viewpoint description='View scene source to see metadata examples' position='0 0 9'/> | 
| 50 | <Anchor description='Load scene index page' parameter='"target=_blank"' url=' "MetadataNodeExamplesIndex.html" "https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter15Metadata/MetadataNodeExamplesIndex.html" '> | 
| 51 | <Shape> | 
| 52 | <Text string='"View scene source" "to see" "metadata examples"'> | 
| 53 | <FontStyle justify='"MIDDLE" "MIDDLE"'/> | 
| 54 | </Text> | 
| 55 | <Appearance> | 
| 56 | <Material diffuseColor='1 0.992157 0.039216'/> | 
| 57 | </Appearance> | 
| 58 | </Shape> | 
| 59 | </Anchor> | 
| 60 | </Scene> | 
| 61 | </X3D> | 
Event Graph ROUTE Table with 0 ROUTE connections total, showing X3D event-model relationships for this scene.
Each row shows an event cascade that may occur during a single timestamp interval between frame renderings, as part of the X3D execution model.
| line 50
                Anchor  | 
            
               description='Load scene index page'  User-interaction hint for this node.  | 
         
         <!--
Color-coding legend: X3D terminology 
<X3dNode
          DEF='idName' field='value'/> 
 matches XML terminology 
<XmlElement
          DEF='idName' attribute='value'/> 
(Light-blue background: event-based behavior node or statement)
(Grey background inside box: inserted documentation)
(Magenta background: X3D Extensibility)
          -->
      
         
            
         
         <!--
For additional help information about X3D scenes, please see X3D Tooltips, X3D Resources, and X3D Scene Authoring Hints.
-->