{ "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": {
        "unit": [
          {
            "@name":"meter",
            "@category":"length",
            "@conversionFactor":1
          }
        ],
        "meta": [
          {
            "@name":"title",
            "@content":"ScannerMetadataExample33.x3d"
          },
          {
            "@name":"description",
            "@content":"Embed example metadata associated with a scanned 3D model using X3D version 3.3 model."
          },
          {
            "@name":"created",
            "@content":"11 November 2019"
          },
          {
            "@name":"modified",
            "@content":"9 August 2024"
          },
          {
            "@name":"reference",
            "@content":"https://docs.google.com/spreadsheets/d/1RKvh6oEsyIgEIFfjDQNgu1U6QoAmsduvHx3ki18Z06A/htmlview#"
          },
          {
            "@name":"creator",
            "@content":"Bill Gutelius, Qntfi https://www.qntfii.com"
          },
          {
            "@name":"translator",
            "@content":"Nicholas Polys, VT"
          },
          {
            "@name":"reference",
            "@content":"ScannerMetadataExample4.x3d"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/Scanning/ScannerMetadataExample33.x3d"
          },
          {
            "@name":"license",
            "@content":"../license.html"
          },
          {
            "@name":"translated",
            "@content":"07 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":[
          { "WorldInfo":
            {
              "@title":"ScannerMetadataExample33.x3d"
            }
          },
          { "MetadataSet":
            {
              "@name":"Scan Information",
              "@reference":"Web3D proposed vocabulary: version 0.1",
              "-value":[
                { "MetadataSet":
                  {
                    "@name":"Acquisition",
                    "@reference":"Hardware",
                    "-value":[
                      { "MetadataString":
                        {
                          "@name":"Scanner",
                          "@value":["Emesent HOVERMAP"]
                        }
                      },
                      { "MetadataString":
                        {
                          "@name":"ScannerModel",
                          "@value":["Model: HF-1"]
                        }
                      },
                      { "MetadataFloat":
                        {
                          "@name":"Pulse rate (kHz)",
                          "@value":[300]
                        }
                      },
                      { "MetadataFloat":
                        {
                          "@name":"Wavelength (nm)",
                          "@value":[903]
                        }
                      },
                      { "MetadataFloat":
                        {
                          "@name":"Max range (m)",
                          "@value":[100]
                        }
                      }
                    ]
                  }
                },
                { "MetadataSet":
                  {
                    "@name":"Scan Session",
                    "-value":[
                      { "MetadataString":
                        {
                          "@name":"acquisition_timestamp",
                          "@value":["2019-11-05T10:15:32.3+0500"]
                        }
                      }
                    ]
                  }
                },
                { "MetadataSet":
                  {
                    "@name":"LAS Fields",
                    "@reference":"http://www.asprs.org/wp-content/uploads/2019/03/LAS_1_4_r14.pdf",
                    "-value":[
                      { "MetadataString":
                        {
                          "@name":"number of points",
                          "@value":["18102106"]
                        }
                      },
                      { "MetadataInteger":
                        {
                          "@name":"point_format",
                          "@value":[1]
                        }
                      },
                      { "MetadataSet":
                        {
                          "@name":"LAS.scalar fields",
                          "-value":[
                            { "MetadataInteger":
                              {
                                "@name":"num.fields",
                                "@value":[3]
                              }
                            },
                            { "MetadataString":
                              {
                                "@name":"scalar1",
                                "@value":["Intensity"]
                              }
                            },
                            { "MetadataString":
                              {
                                "@name":"scalar2",
                                "@value":["ReturnNumber"]
                              }
                            },
                            { "MetadataString":
                              {
                                "@name":"scalar3",
                                "@value":["GpsTime"]
                              }
                            }
                          ]
                        }
                      },
                      { "MetadataFloat":
                        {
                          "@name":"LAS.Global_shift.x",
                          "@value":[131.45]
                        }
                      },
                      { "MetadataFloat":
                        {
                          "@name":"LAS.Global_shift.y",
                          "@value":[91.94]
                        }
                      },
                      { "MetadataFloat":
                        {
                          "@name":"LAS.Global_shift.z",
                          "@value":[3.18]
                        }
                      },
                      { "MetadataInteger":
                        {
                          "@name":"Scalar.fields",
                          "@value":[3]
                        }
                      },
                      { "MetadataInteger":
                        {
                          "@name":"Version.Major",
                          "@value":[1]
                        }
                      },
                      { "MetadataInteger":
                        {
                          "@name":"Version.Minor",
                          "@value":[4]
                        }
                      },
                      { "MetadataFloat":
                        {
                          "@name":"LAS.scale.x",
                          "@value":[2.13564e-7]
                        }
                      },
                      { "MetadataFloat":
                        {
                          "@name":"LAS.scale.y",
                          "@value":[2.35058e-7]
                        }
                      },
                      { "MetadataFloat":
                        {
                          "@name":"LAS.scale.z",
                          "@value":[5.6171e-8]
                        }
                      }
                    ],
                    "-children":[
                      {
                        "#comment":"we should have a double precision version too <MetadataSFVec3f containerField=\"value\" name=\"Global shift\" value='131.45, 91.94, 3.18'/>"
                      }
                    ]
                  }
                },
                { "MetadataSet":
                  {
                    "@name":"Scene Provenance",
                    "-value":[
                      { "MetadataSet":
                        {
                          "@name":"Provenance",
                          "-children":[
                            {
                              "#comment":"omitted value=\"this\""
                            }
                          ],
                          "-value":[
                            { "MetadataSet":
                              {
                                "@name":"this-1",
                                "-value":[
                                  { "MetadataString":
                                    {
                                      "@name":"Last Modified",
                                      "@value":["Jan 1 2019"]
                                    }
                                  },
                                  { "MetadataString":
                                    {
                                      "@name":"Institution",
                                      "@value":["Virginia Tech Visionarium"]
                                    }
                                  },
                                  { "MetadataString":
                                    {
                                      "@name":"Authors",
                                      "@value":["Nicholas Polys"]
                                    }
                                  },
                                  { "MetadataString":
                                    {
                                      "@name":"Tools",
                                      "@value":["LAS2X3D.py"]
                                    }
                                  },
                                  { "MetadataString":
                                    {
                                      "@name":"Algorithms",
                                      "@value":["lexical sampling by interval stride"]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      }
                    ]
                  }
                }
              ]
            }
          },
          { "Anchor":
            {
              "@description":"ScannerMetadataExample33 model page",
              "@parameter":["target=blank"],
              "@url":["https://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/Scanning/ScannerMetadataExample33Index.html"],
              "-children":[
                { "Shape":
                  {
                    "-geometry":
                      { "Text":
                        {
                          "@string":["ScannerMetadataExample33","embed metadata in X3D3.3"],
                          "-fontStyle":
                            { "FontStyle":
                              {
                                "@family":["SANS"],
                                "@justify":["MIDDLE","MIDDLE"],
                                "@size":0.75,
                                "@style":"BOLD"
                              }
                            }
                        }
                      },
                    "-appearance":
                      { "Appearance":
                        {
                          "-material":
                            { "Material":
                              {
                                "@diffuseColor":[0,0.501961,0.109804]
                              }
                            }
                        }
                      }
                  }
                }
              ]
            }
          },
          {
            "#comment":"NFP: Scene node can also take a MetadataSet (?) ... Here considered as a value-added scene from the acquisition the default containerField='value'"
          },
          { "Transform":
            {
              "@translation":[131.45,91.94,3.18],
              "-children":[
                {
                  "#comment":"by global shift value above"
                },
                {
                  "#comment":"could be an LOD"
                },
                { "Switch":
                  {
                    "@bboxCenter":[106.781,117.532,28.0086],
                    "@bboxSize":[213.564,235.058,56.171],
                    "@whichChoice":0,
                    "-children":[
                      { "Group":
                        {
                          "-children":[
                            { "Shape":
                              {
                                "@DEF":"High_Resolution",
                                "-metadata":
                                  { "MetadataSet":
                                    {
                                      "@name":"holder1",
                                      "-value":[
                                        { "MetadataSet":
                                          {
                                            "@name":"LAS Fields",
                                            "@reference":"http://www.asprs.org/wp-content/uploads/2019/03/LAS_1_4_r14.pdf",
                                            "-value":[
                                              { "MetadataString":
                                                {
                                                  "@name":"number of points",
                                                  "@value":["1810210"]
                                                }
                                              }
                                            ]
                                          }
                                        },
                                        { "MetadataSet":
                                          {
                                            "@name":"Permissions",
                                            "-value":[
                                              { "MetadataBoolean":
                                                {
                                                  "@name":"recording",
                                                  "@value":[false]
                                                }
                                              },
                                              { "MetadataBoolean":
                                                {
                                                  "@name":"systematization",
                                                  "@value":[false]
                                                }
                                              },
                                              { "MetadataBoolean":
                                                {
                                                  "@name":"accumulation",
                                                  "@value":[false]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                              }
                            }
                          ]
                        }
                      },
                      { "Group":
                        {
                          "-children":[
                            { "Shape":
                              {
                                "@DEF":"Medium_Resolution",
                                "-metadata":
                                  { "MetadataSet":
                                    {
                                      "@name":"holder3",
                                      "-value":[
                                        { "MetadataSet":
                                          {
                                            "@name":"LAS Fields",
                                            "@reference":"http://www.asprs.org/wp-content/uploads/2019/03/LAS_1_4_r14.pdf",
                                            "-value":[
                                              { "MetadataString":
                                                {
                                                  "@name":"number of points",
                                                  "@value":["181021"]
                                                }
                                              }
                                            ]
                                          }
                                        },
                                        { "MetadataSet":
                                          {
                                            "@name":"Permissions",
                                            "-value":[
                                              { "MetadataBoolean":
                                                {
                                                  "@name":"recording",
                                                  "@value":[false]
                                                }
                                              },
                                              { "MetadataBoolean":
                                                {
                                                  "@name":"systematization",
                                                  "@value":[true]
                                                }
                                              },
                                              { "MetadataBoolean":
                                                {
                                                  "@name":"accumulation",
                                                  "@value":[true]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                              }
                            }
                          ]
                        }
                      },
                      { "Group":
                        {
                          "-children":[
                            { "Shape":
                              {
                                "@DEF":"Low_Resolution",
                                "-metadata":
                                  { "MetadataSet":
                                    {
                                      "@name":"holder3",
                                      "-value":[
                                        { "MetadataSet":
                                          {
                                            "@name":"LAS Fields",
                                            "@reference":"http://www.asprs.org/wp-content/uploads/2019/03/LAS_1_4_r14.pdf",
                                            "-value":[
                                              { "MetadataString":
                                                {
                                                  "@name":"number of points",
                                                  "@value":["72408"]
                                                }
                                              }
                                            ]
                                          }
                                        },
                                        { "MetadataSet":
                                          {
                                            "@name":"Permissions",
                                            "-value":[
                                              { "MetadataBoolean":
                                                {
                                                  "@name":"recording",
                                                  "@value":[true]
                                                }
                                              },
                                              { "MetadataBoolean":
                                                {
                                                  "@name":"systematization",
                                                  "@value":[true]
                                                }
                                              },
                                              { "MetadataBoolean":
                                                {
                                                  "@name":"accumulation",
                                                  "@value":[true]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                              }
                            }
                          ]
                        }
                      }
                    ]
                  }
                }
              ]
            }
          }
        ]
    }
  }
}