{ "X3D": {
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    "@version":"4.0",
    "@xsd:noNamespaceSchemaLocation":"https://www.web3d.org/specifications/x3d-4.0.xsd",
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    "head": {
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            "@level":1
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            "@level":1
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            "@level":1
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          {
            "@name":"NURBS",
            "@level":3
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        ],
        "unit": [
          {
            "@name":"DEGREES",
            "@category":"angle",
            "@conversionFactor":0.0174532925167
          },
          {
            "@name":"FEET",
            "@category":"length",
            "@conversionFactor":0.3048
          },
          {
            "@name":"POUNDS_FORCE",
            "@category":"force",
            "@conversionFactor":4.4482
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          {
            "@name":"POUNDS",
            "@category":"mass",
            "@conversionFactor":0.45359237
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        ],
        "meta": [
          {
            "@name":"title",
            "@content":"HeaderProfileComponentUnitMetaExample.x3d"
          },
          {
            "@name":"description",
            "@content":"Simple scene demonstrating X3D header, profile, component unit and meta definitions. The component tags raise the support level from Immersive profile to include other components included in the X3D 3.0 Full profile. Common unit conversion factors change from X3D defaults in radians, meters, Newtons and kilograms."
          },
          {
            "@name":"creator",
            "@content":"Don Brutzman"
          },
          {
            "@name":"created",
            "@content":"11 October 2005"
          },
          {
            "@name":"modified",
            "@content":"28 April 2023"
          },
          {
            "@name":"reference",
            "@content":"https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html#unit"
          },
          {
            "@name":"reference",
            "@content":"Separate example newScene.x3d presents other example meta tags for potential use, authors can delete unused name-value pairs."
          },
          {
            "@name":"reference",
            "@content":"newScene.x3d"
          },
          {
            "@name":"reference",
            "@content":"../Chapter15Metadata/MetadataExamples.x3d"
          },
          {
            "@name":"reference",
            "@content":"https://X3dGraphics.com"
          },
          {
            "@name":"reference",
            "@content":"https://www.web3d.org/x3d/content/examples/X3dResources.html"
          },
          {
            "@name":"rights",
            "@content":"Copyright 2006, Daly Realism and Don Brutzman"
          },
          {
            "@name":"subject",
            "@content":"X3D book, X3D graphics, X3D-Edit, http://www.x3dGraphics.com"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter01TechnicalOverview/HeaderProfileComponentUnitMetaExample.x3d"
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            "@name":"generator",
            "@content":"X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit"
          },
          {
            "@name":"license",
            "@content":"../license.html"
          },
          {
            "@name":"translated",
            "@content":"17 April 2026"
          },
          {
            "@name":"generator",
            "@content":"X3dToJson.xslt, https://www.web3d.org/x3d/stylesheets/X3dToJson.html"
          },
          {
            "@name":"reference",
            "@content":"X3D JSON encoding: https://www.web3d.org/wiki/index.php/X3D_JSON_Encoding"
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              "@DEF":"ModelTitle",
              "@title":"HeaderProfileComponentUnitMetaExample.x3d"
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          { "WorldInfo":
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              "@USE":"ModelTitle"
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          { "Background":
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              "@groundColor":[0.2,0.4,0.6],
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          { "Shape":
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                    "@string":["HeaderProfileComponentMetaExample.x3d","shows example use of","header, profile, component and meta tags"],
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