X3D Model Documentation: MetadataExamples.x3d

  1  <?xml version="1.0" encoding="UTF-8"?>
  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=' MetadataExamples.x3d '/>
  6            <meta name='description' content='Examples showing use of new X3D Metadata nodes in Core component (MetadataDouble MetadataFloat MetadataInteger MetadataSet MetadataString). Also provided: external prototype definitions for backwards compatibility with VRML 97.'/>
  7            <meta name='hint' content='Metadata nodes may be repositioned by a few lines if VRML97 parent node does not support the children field.'/>
  8            <meta name='creator' content='Don Brutzman'/>
  9            <meta name='created' content='17 November 2003'/>
 10            <meta name='modified' content='20 January 2020'/>
 11            <meta name=' warning ' content=' The external prototype declarations in this file are only intended for use with browsers that do not already support the Metadata nodes. '/>
 12            <meta name='reference' content=' MetadataPrototypes.x3d '/>
 13            <meta name='subject' content='Metadata nodes, X3D Core component (MetadataBoolean MetadataDouble MetadataFloat MetadataInteger MetadataSet MetadataString)'/>
 14            <meta name='reference' content='https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/core.html#Metadata'/>
 15            <meta name='reference' content='https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/core.html#X3DMetadataObject'/>
 16            <meta name='reference' content='https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/core.html#Nodereference'/>
 17            <meta name='identifier' content=' https://www.web3d.org/x3d/content/examples/Basic/development/MetadataExamples.x3d '/>
 18            <meta name='generator' content='X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit'/>
 19            <meta name='license' content='../license.html'/>
 20       </head>
<!--
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Event Graph ROUTE Table shows event connections.
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<!-- to top DEF nodes index: LinkToExamples, MetadataBooleanInstance, MetadataDoubleInstance, TestMetadataChild

Index for ExternProtoDeclare definitions: MetadataBoolean, MetadataDouble, MetadataFloat, MetadataInteger, MetadataSet, MetadataString
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 21       <Scene>
 22            <!-- ==================== -->
 23            <!-- Do not copy these ExternProtoDeclare statements, they are only included for preparation of X3dToVrml97.xslt stylesheet mappings for backwards compatibility. -->
 24            <!-- ==================== -->
 25            <ExternProtoDeclare name='MetadataBoolean' appinfo='MetadataBoolean contains a list of booleans in the value field.'   url=' "MetadataPrototypes.x3d#MetadataBoolean" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.x3d#MetadataBoolean" "MetadataPrototypes.wrl#MetadataBoolean" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.wrl#MetadataBoolean" '>
 26                 <field name='name' type='SFString' accessType='inputOutput'
                appinfo='default value'/>
 27                 <field name='value' type='MFBool' accessType='inputOutput'
                appinfo='default value'/>
 28                 <field name='reference' type='SFString' accessType='inputOutput'
                appinfo='default value'/>
 29                 <field name='metadata' type='SFNode' accessType='inputOutput'
                appinfo='Metadata node only'/>
 30            </ExternProtoDeclare>
 31            <ExternProtoDeclare name='MetadataDouble' appinfo='MetadataDouble contains a list of double-precision floating-point numbers in the value field.'   url=' "MetadataPrototypes.x3d#MetadataDouble" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.x3d#MetadataDouble" "MetadataPrototypes.wrl#MetadataDouble" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.wrl#MetadataDouble" '>
 32                 <field name='name' type='SFString' accessType='inputOutput'/>
 33                 <field name='value' type='MFDouble' accessType='inputOutput'/>
 34                 <field name='reference' type='SFString' accessType='inputOutput'/>
 35                 <field name='metadata' type='SFNode' accessType='inputOutput'/>
 36            </ExternProtoDeclare>
 37            <ExternProtoDeclare name='MetadataFloat' appinfo='MetadataFloat contains a list of floating-point numbers in the value field.'   url=' "MetadataPrototypes.x3d#MetadataFloat" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.x3d#MetadataFloat" "MetadataPrototypes.wrl#MetadataFloat" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.wrl#MetadataFloat" '>
 38                 <field name='name' type='SFString' accessType='inputOutput'/>
 39                 <field name='value' type='MFFloat' accessType='inputOutput'/>
 40                 <field name='reference' type='SFString' accessType='inputOutput'/>
 41                 <field name='metadata' type='SFNode' accessType='inputOutput'/>
 42            </ExternProtoDeclare>
 43            <ExternProtoDeclare name='MetadataInteger' appinfo='MetadataInteger contains a list of 32-bit integer numbers in the value field.'   url=' "MetadataPrototypes.x3d#MetadataInteger" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.x3d#MetadataInteger" "MetadataPrototypes.wrl#MetadataInteger" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.wrl#MetadataInteger" '>
 44                 <field name='name' type='SFString' accessType='inputOutput'/>
 45                 <field name='value' type='MFInt32' accessType='initializeOnly'/>
 46                 <field name='set_value' type='MFInt32' accessType='inputOnly'/>
 47                 <field name='reference' type='SFString' accessType='inputOutput'/>
 48                 <field name='metadata' type='SFNode' accessType='inputOutput'/>
 49            </ExternProtoDeclare>
 50            <ExternProtoDeclare name='MetadataSet' appinfo='MetadataSet contains a list of nodes in the value field.'   url=' "MetadataPrototypes.x3d#MetadataSet" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.x3d#MetadataSet" "MetadataPrototypes.wrl#MetadataSet" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.wrl#MetadataSet" '>
 51                 <field name='name' type='SFString' accessType='inputOutput'/>
 52                 <field name='value' type='MFNode' accessType='inputOutput'/>
 53                 <field name='reference' type='SFString' accessType='inputOutput'/>
 54                 <field name='metadata' type='SFNode' accessType='inputOutput'/>
 55            </ExternProtoDeclare>
 56            <ExternProtoDeclare name='MetadataString' appinfo='MetadataString contains a set of strings in the value field.'   url=' "MetadataPrototypes.x3d#MetadataString" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.x3d#MetadataString" "MetadataPrototypes.wrl#MetadataString" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataPrototypes.wrl#MetadataString" '>
 57                 <field name='name' type='SFString' accessType='inputOutput'/>
 58                 <field name='value' type='MFString' accessType='inputOutput'/>
 59                 <field name='reference' type='SFString' accessType='inputOutput'/>
 60                 <field name='metadata' type='SFNode' accessType='inputOutput'/>
 61            </ExternProtoDeclare>
 62            <!-- =========================== -->
 63            <!-- Example Metadata node usage -->
 64            <!-- =========================== -->
 65            <Group>
 66                 <MetadataBoolean DEF='MetadataBooleanInstance' name='sample boolean data' reference='https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/core.html#MetadataBoolean' value='true false true'/>
 67                 <Transform>
 68 
                    <!-- MetadataDouble MetadataDoubleInstance is a DEF node that has 1 USE node: USE_1 -->
                     <MetadataDouble DEF='MetadataDoubleInstance' name='sample double data' reference='https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/core.html#MetadataDouble' value='1.0 2.0 3.0'/>
 69                 </Transform>
 70                 <Transform>
 71                      <MetadataFloat name='sample float data' reference='https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/core.html#MetadataFloat' value='1.0 2.0 3.0'>
 72                           <MetadataDouble USE='MetadataDoubleInstance'/>
 73                           <!-- metadata child of metadata node (also note nested PROTO here, when translated) -->
 74                      </MetadataFloat>
 75                 </Transform>
 76                 <Transform>
 77                      <MetadataInteger name='sample integer data' reference='https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/core.html#MetadataInteger' value='1 2 3'/>
 78                 </Transform>
 79                 <Transform>
 80                      <MetadataSet name='sample data' reference='https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/core.html#MetadataSet'>
 81                           <MetadataString name='containerFieldDefaultTest' value='"This initial node is containerField=metadata on the MetadataSet, not part of the containerField=value set"'/>
 82                           <!-- be sure to set containerField='value' for all members of the contained set! -->
 83                           <MetadataBoolean containerField='value' name='MetadataSetValue1' value='true false true'/>
 84                           <MetadataDouble containerField='value' name='MetadataSetValue2' value='0 1 2'/>
 85                           <MetadataFloat containerField='value' name='MetadataSetValue3' value='3 4 5'/>
 86                           <MetadataInteger containerField='value' name='MetadataSetValue4' value='6 7 8'/>
 87                           <MetadataString containerField='value' name='MetadataSetValue5' value='"string1" "string2"'/>
 88                      </MetadataSet>
 89                 </Transform>
 90                 <Transform>
 91                      <MetadataString name='sample string data' reference='https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/core.html#MetadataString' value='"one two three" "four five six"'/>
 92                 </Transform>
 93                 <Group>
 94                      <WorldInfo DEF='TestMetadataChild'>
 95                           <MetadataString name='Backwards compatibility note' value='"Metadata nodes are converted into comments when children [ ] field is not available in parent node"'/>
 96                      </WorldInfo>
 97                 </Group>
 98            </Group>
 99            <!-- ==================== -->
100            <Anchor DEF='LinkToExamples' description='link to examples' parameter='"target=_blank"'   url=' "MetadataExamples.html" "https://www.web3d.org/x3d/content/examples/Basic/development/MetadataExamplesIndex.html" '>
101                 <Shape>
102                      <Appearance>
103                           <Material diffuseColor='0.8 0.6 0.2'/>
104                      </Appearance>
105                      <Text string='"MetadataExamples is a developmental file to define" "EXTERNPROTO signatures in VRML 97 syntax" "Example usage of Metadata nodes also included." "" "Click text to view source"'>
106                           <FontStyle justify='"MIDDLE" "MIDDLE"' size='0.5'/>
107                      </Text>
108                 </Shape>
109            </Anchor>
110       </Scene>
111  </X3D>
<!--
<!--
Event Graph ROUTE Table shows event connections.
-->
<!-- to top DEF nodes index: LinkToExamples, MetadataBooleanInstance, MetadataDoubleInstance, TestMetadataChild

Index for ExternProtoDeclare definitions: MetadataBoolean, MetadataDouble, MetadataFloat, MetadataInteger, MetadataSet, MetadataString
-->
X3D Tooltips element index: Anchor, Appearance, ExternProtoDeclare, field, FontStyle, Group, head, Material, meta, MetadataBoolean, MetadataDouble, MetadataFloat, MetadataInteger, MetadataSet, MetadataString, Scene, Shape, Text, Transform, WorldInfo, X3D, plus documentation for accessType definitions, type definitions, XML data types, and field types

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LinkToExamples
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description='link to examples' 
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Additional guidance on X3D animation can be found in the 10-Step Animation Design Process and Event Tracing hint sheets. Have fun with X3D! 😀
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