{ "X3D": {
    "encoding":"UTF-8",
    "@profile":"Immersive",
    "@version":"3.3",
    "@xsd:noNamespaceSchemaLocation":"https://www.web3d.org/specifications/x3d-3.3.xsd",
    "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json",
    "head": {
        "meta": [
          {
            "@name":"title",
            "@content":"MetadataRootNodeTest.x3d"
          },
          {
            "@name":"description",
            "@content":"The MetadataSet node is allowed as a root node in X3D4, following development and evaluation of examples considered in this demonstration scene. Original inquiry: is a Metadata node legal as the root node in a scene? X3D model metadata sets need to be portable since they might be saved and reused via multiple files."
          },
          {
            "@name":"creator",
            "@content":"Don Brutzman and X3D Working Group"
          },
          {
            "@name":"created",
            "@content":"8 December 2016"
          },
          {
            "@name":"modified",
            "@content":"31 August 2024"
          },
          {
            "@name":"specificationSection",
            "@content":"X3D 4.0 Architecture, ISO/IEC 19775-1:2023, clause 4 Concepts, 4.3.2 Root nodes"
          },
          {
            "@name":"specificationUrl",
            "@content":"https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/concepts.html#Rootnodes"
          },
          {
            "@name":"reference",
            "@content":"http://web3d.org/pipermail/x3d-public_web3d.org/2016-December/005680.html"
          },
          {
            "@name":"reference",
            "@content":"X3D Specification Mantis Issue (member access required) https://www.web3d.org/member-only/mantis/view.php?id=1092"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/AdditiveManufacturing/MetadataRootNodeTest.x3d"
          },
          {
            "@name":"generator",
            "@content":"X3D-Edit 4.0, https://www.web3d.org/x3d/tools/X3D-Edit"
          },
          {
            "@name":"license",
            "@content":"../license.html"
          },
          {
            "@name":"translated",
            "@content":"31 August 2025"
          },
          {
            "@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":"============================="
          },
          {
            "#comment":"Option 1: root node of scene"
          },
          { "MetadataSet":
            {
              "@name":"MetadataCollection1",
              "@DEF":"MetadataHolderOption1",
              "-children":[
                {
                  "#comment":"can enter other Metadata nodes here"
                }
              ]
            }
          },
          { "Background":
            {
              "@skyColor":[0.498039,1,0.831373]
            }
          },
          {
            "#comment":"============================="
          },
          {
            "#comment":"Option 2: contained within WorldInfo, though direct translation to VRML97 is not valid"
          },
          { "WorldInfo":
            {
              "@DEF":"MetadataHolderOption2",
              "@title":"Test scene for containing X3D Metadata* nodes, with no other content",
              "-metadata":
                { "MetadataSet":
                  {
                    "@name":"MetadataCollection2",
                    "-children":[
                      {
                        "#comment":"can enter other Metadata nodes here"
                      }
                    ]
                  }
                }
            }
          },
          {
            "#comment":"============================="
          },
          {
            "#comment":"Option 3: contained within top-level Group, scope for all contained nodes is unambiguous"
          },
          { "Group":
            {
              "@DEF":"MetadataHolderOption3",
              "-metadata":
                { "MetadataSet":
                  {
                    "@name":"MetadataCollection3",
                    "-children":[
                      {
                        "#comment":"can enter other Metadata nodes here"
                      }
                    ]
                  }
                }
            }
          },
          {
            "#comment":"============================="
          },
          {
            "#comment":"Viewing a Mantis issue first requires Web3D Consortium member login"
          },
          { "Anchor":
            {
              "@description":"Web3D Consortium members can select text to view Mantis issue 1092",
              "@parameter":["target=blank"],
              "@url":["https://www.web3d.org/member-only/mantis/view.php?id=1092"],
              "-children":[
                {
                  "#comment":"Selectable Text design pattern has transparent Box and TouchSensor description as a tooltip"
                },
                { "Group":
                  {
                    "-children":[
                      { "Shape":
                        {
                          "-geometry":
                            { "Text":
                              {
                                "@string":["Metadata nodes","tested as children","of scene root","(mantis issue 1092)"],
                                "-fontStyle":
                                  { "FontStyle":
                                    {
                                      "@family":["SANS"],
                                      "@justify":["MIDDLE","MIDDLE"],
                                      "@style":"BOLD"
                                    }
                                  }
                              }
                            },
                          "-appearance":
                            { "Appearance":
                              {
                                "-material":
                                  { "Material":
                                    {
                                      "@diffuseColor":[0,0.501961,0.109804]
                                    }
                                  }
                              }
                            }
                        }
                      },
                      { "Shape":
                        {
                          "-children":[
                            {
                              "#comment":"Author adjustment: resize transparent Box as text-selection assist, set width and height to match size, then set transparency='1' to make invisible."
                            }
                          ],
                          "-geometry":
                            { "Box":
                              {
                                "@size":[8,4,0.001]
                              }
                            },
                          "-appearance":
                            { "Appearance":
                              {
                                "-material":
                                  { "Material":
                                    {
                                      "@transparency":1
                                    }
                                  }
                              }
                            }
                        }
                      }
                    ]
                  }
                }
              ]
            }
          }
        ]
    }
  }
}