{ "X3D": {
    "encoding":"UTF-8",
    "@profile":"Core",
    "@version":"4.0",
    "@xsd:noNamespaceSchemaLocation":"https://www.web3d.org/specifications/x3d-4.0.xsd",
    "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json",
    "head": {
        "meta": [
          {
            "@name":"title",
            "@content":"EmptySceneCoreProfile.x3d"
          },
          {
            "@name":"description",
            "@content":"Illustrate a minimalist scene using only Core profile nodes. Root nodes must either be allowed children nodes of a Grouping node, or a LayerSet node. Note that DOCTYPE, head/meta and Group/Metadata* elements can be deleted without losing scene validity."
          },
          {
            "@name":"creator",
            "@content":"Leonard Daly, Don Brutzman"
          },
          {
            "@name":"created",
            "@content":"24 February 2014"
          },
          {
            "@name":"modified",
            "@content":"3 August 2024"
          },
          {
            "@name":"reference",
            "@content":"EmptyScene.x3d"
          },
          {
            "@name":"TODO",
            "@content":"should Metadata nodes inherit from X3DNode or X3DChildNode?"
          },
          {
            "@name":"info",
            "@content":"WorldInfo is in Core Profile or higher"
          },
          {
            "@name":"TODO",
            "@content":"ProtoInstance requires Core component level 1, complete prototype support requires Core component level 2 (or is optional in level 1)"
          },
          {
            "@name":"specificationSection",
            "@content":"X3D 4.0 Architecture, ISO/IEC 19775-1:2023, 7 Core Component, Table 7.2 — Core component support levels"
          },
          {
            "@name":"specificationUrl",
            "@content":"https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/core.html#t-CoresupportLevels"
          },
          {
            "@name":"TODO",
            "@content":"Mantis issue 1448 https://www.web3d.org/member-only/mantis/view.php?id=1448"
          },
          {
            "@name":"specificationSection",
            "@content":"X3D 4.0 Architecture, ISO/IEC 19775-1:2023, Annex A Core Profile, Table A.3 — Nodes for conforming to the Core profile"
          },
          {
            "@name":"specificationUrl",
            "@content":"https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/coreprofile.html#t-NodesForConformingToCoreProfile"
          },
          {
            "@name":"reference",
            "@content":"https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/concepts.html#Rootnodes"
          },
          {
            "@name":"info",
            "@content":"Increase X3D profile (or add component statements) to match if any other X3D nodes are added to this scene."
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter01TechnicalOverview/EmptySceneCoreProfile.x3d"
          },
          {
            "@name":"reference",
            "@content":"https://x3dgraphics.com/chapters/Chapter15MetadataInformation.html"
          },
          {
            "@name":"reference",
            "@content":"https://X3dGraphics.com"
          },
          {
            "@name":"generator",
            "@content":"X3D-Edit 4.0, 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"
          }
        ]
    },
    "Scene": {
        "-children":[
          {
            "#comment":"Core profile can only contain WorldInfo and Metadata nodes."
          },
          { "WorldInfo":
            {
              "@title":"EmptySceneCoreProfile.x3d"
            }
          },
          { "WorldInfo":
            {
              "-metadata":
                { "MetadataSet":
                  {
                    "@name":"NodeSet",
                    "-value":[
                      { "MetadataBoolean":
                        {
                          "@name":"BooleanData",
                          "@value":[true,false]
                        }
                      },
                      { "MetadataDouble":
                        {
                          "@name":"DoubleData",
                          "@value":[1,2,3]
                        }
                      },
                      { "MetadataFloat":
                        {
                          "@name":"FloatData",
                          "@value":[4,5,6]
                        }
                      },
                      { "MetadataInteger":
                        {
                          "@name":"IntegerData",
                          "@value":[7,8,9]
                        }
                      },
                      { "MetadataString":
                        {
                          "@name":"StringData",
                          "@value":["Empty Scene","Core Profile"]
                        }
                      }
                    ]
                  }
                }
            }
          }
        ]
    }
  }
}