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    "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json",
    "head": {
        "meta": [
          {
            "@name":"title",
            "@content":"Cowling.x3d"
          },
          {
            "@name":"description",
            "@content":"This file defines a cowling that is inlined to create a helicopter"
          },
          {
            "@name":"creator",
            "@content":"Jane Wu (adapted from the original cowling.wrl created for vrtp demo helicopter)"
          },
          {
            "@name":"created",
            "@content":"12 January 2001"
          },
          {
            "@name":"modified",
            "@content":"20 October 2019"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/HelicopterUnitedStates/Cowling.x3d"
          },
          {
            "@name":"generator",
            "@content":"X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit"
          },
          {
            "@name":"license",
            "@content":"../../license.html"
          },
          {
            "@name":"translated",
            "@content":"21 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"
          }
        ]
    },
    "Scene": {
        "-children":[
          { "WorldInfo":
            {
              "@title":"Cowling.x3d"
            }
          },
          { "Group":
            {
              "-children":[
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                  {
                    "@groundAngle":[1.309,1.570796],
                    "@groundColor":[0.1,0.1,0.0,0.4,0.25,0.2,0.6,0.6,0.6],
                    "@skyAngle":[1.309,1.571],
                    "@skyColor":[0.0,0.2,0.7,0.0,0.5,1.0,1.0,1.0,1.0]
                  }
                },
                { "Shape":
                  {
                    "-appearance":
                      { "Appearance":
                        {
                          "@DEF":"GREEN",
                          "-material":
                            { "Material":
                              {
                                "@diffuseColor":[0.0,0.5,0.0]
                              }
                            }
                        }
                      },
                    "-geometry":
                      { "IndexedFaceSet":
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                },
                { "Transform":
                  {
                    "@translation":[1.5,1.04,-0.25],
                    "-children":[
                      { "Shape":
                        {
                          "-appearance":
                            { "Appearance":
                              {
                                "-material":
                                  { "Material":
                                    {
                                      "@DEF":"BALL_COLOR",
                                      "@diffuseColor":[0.4,0.4,0.4]
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                                  }
                              }
                            },
                          "-geometry":
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                                "@radius":0.04
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                      }
                    ]
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                },
                { "Transform":
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                    "-children":[
                      { "Shape":
                        {
                          "-appearance":
                            { "Appearance":
                              {
                                "-material":
                                  { "Material":
                                    {
                                      "@diffuseColor":[0.1,0.1,0.1]
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                          "-geometry":
                            { "Cylinder":
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          },
          { "ROUTE":
            {
              "@fromField":"fraction_changed",
              "@fromNode":"CLOCK",
              "@toField":"set_fraction",
              "@toNode":"COLOR_PATH"
            }
          },
          { "ROUTE":
            {
              "@fromField":"value_changed",
              "@fromNode":"COLOR_PATH",
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          }
        ]
    }
  }
}