{ "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": {
        "component": [
          {
            "@name":"VolumeRendering",
            "@level":1
          },
          {
            "@name":"Texturing3D",
            "@level":2
          }
        ],
        "meta": [
          {
            "@name":"title",
            "@content":"BasicVentricles.x3d"
          },
          {
            "@name":"description",
            "@content":"Volume rendering of a segmented brain dataset, rendered with default (opacity map) render style"
          },
          {
            "@name":"created",
            "@content":"29 February 2011"
          },
          {
            "@name":"modified",
            "@content":"29 March 2020"
          },
          {
            "@name":"creator",
            "@content":"Andrew Wood, Nicholas Polys: Virginia Tech"
          },
          {
            "@name":"reference",
            "@content":"BasicVentricles.x3d"
          },
          {
            "@name":"reference",
            "@content":"README.txt"
          },
          {
            "@name":"reference",
            "@content":"Get prerequisite dataset, http://snoid.sv.vt.edu/medical/X3DVolumes/examples/datasets/nrrd/mri_ventricles.nrrd"
          },
          {
            "@name":"reference",
            "@content":"All datasets, http://snoid.sv.vt.edu/medical/X3DVolumes/examples/datasets/datasets.zip"
          },
          {
            "@name":"reference",
            "@content":"All datasets, https://savage.nps.edu/Savage/VolumeRendering/datasets/nrrd/datasets.zip"
          },
          {
            "@name":"reference",
            "@content":"Run the download target in the Ant build.xml file to install reference nrrd files locally."
          },
          {
            "@name":"reference",
            "@content":"build.xml"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/Basic/VolumeRendering/BasicVentricles.x3d"
          },
          {
            "@name":"reference",
            "@content":"Volume Data obtained from http://www.volvis.org"
          },
          {
            "@name":"generator",
            "@content":"Nrrd conversion utility located at http://teem.sourceforge.net/unrrdu"
          },
          {
            "@name":"generator",
            "@content":"X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit"
          },
          {
            "@name":"license",
            "@content":"../license.html"
          },
          {
            "@name":"translated",
            "@content":"20 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":"BasicVentricles.x3d"
            }
          },
          { "Group":
            {
              "-children":[
                { "Viewpoint":
                  {
                    "@DEF":"VP",
                    "@description":"Basic Ventricles",
                    "@position":[0,0,0.21]
                  }
                },
                { "Background":
                  {
                    "@DEF":"BG"
                  }
                },
                { "PointLight":
                  {
                    "@intensity":0.4,
                    "@location":[1,0,1]
                  }
                },
                { "Transform":
                  {
                    "@scale":[0.0651042,0.0651042,0.0651042],
                    "-children":[
                      { "VolumeData":
                        {
                          "@dimensions":[2.304,2.304,1.116],
                          "-voxels":
                            { "ImageTexture3D":
                              {
                                "@url":["datasets/nrrd/mri_ventricles.nrrd","http://snoid.sv.vt.edu/medical/X3DVolumes/examples/datasets/nrrd/mri_ventricles.nrrd","https://www.web3d.org/x3d/content/examples/Savage/VolumeRendering/datasets/nrrd/mri_ventricles.nrrd"]
                              }
                            }
                        }
                      }
                    ]
                  }
                }
              ]
            }
          }
        ]
    }
  }
}