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    "head": {
        "meta": [
          {
            "@name":"title",
            "@content":"pelvis.x3d"
          },
          {
            "@name":"description",
            "@content":"pelvis includes l_hip_bone, r_hip_bone, pubic_symphysis, coccyx. Note that sacrum is considered part of pelvis anatomy, but sacrum is modeled in LOA-0 as segment for parent humanoid_root joint"
          },
          {
            "@name":"creator",
            "@content":"Don Brutzman, Joe Williams"
          },
          {
            "@name":"created",
            "@content":"15 March 2026"
          },
          {
            "@name":"modified",
            "@content":"29 March 2026"
          },
          {
            "@name":"reference",
            "@content":"https://en.wikipedia.org/wiki/Pelvis"
          },
          {
            "@name":"reference",
            "@content":"usage examples https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Medical"
          },
          {
            "@name":"generator",
            "@content":"X3D-Edit 4.0, https://www.web3d.org/x3d/tools/X3D-Edit"
          },
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            "@content":"X3D Tidy, https://www.web3d.org/x3d/stylesheets/X3dTidy.html"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Bones/pelvis.x3d"
          },
          {
            "@name":"license",
            "@content":"../license.html"
          },
          {
            "@name":"translated",
            "@content":"29 March 2026"
          },
          {
            "@name":"generator",
            "@content":"X3dToJson.xslt, https://www.web3d.org/x3d/stylesheets/X3dToJson.html"
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          {
            "@name":"reference",
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        ]
    },
    "Scene": {
        "-children":[
          { "WorldInfo":
            {
              "@title":"pelvis.x3d"
            }
          },
          {
            "#comment":"user hover lights bone and reveals description, user selection/deselection temporarily binds/unbinds close-up hidden viewpoint"
          },
          { "TouchSensor":
            {
              "@DEF":"UserTouchSensor",
              "@description":"pelvis: l_hip_bone, r_hip_bone, sacrum"
            }
          },
          {
            "#comment":"vertical offset to max height of l_hip_bone"
          },
          { "Transform":
            {
              "@DEF":"pelvis",
              "@translation":[0,0.9525,0],
              "-children":[
                { "ViewpointGroup":
                  {
                    "@DEF":"ViewpointGroupPelvis",
                    "@description":"pelvis model",
                    "@retainUserOffsets":true,
                    "-children":[
                      { "Viewpoint":
                        {
                          "@DEF":"ViewFromFront",
                          "@description":"pelvis front",
                          "@nearDistance":0.001,
                          "@position":[0,0,0.4],
                          "@retainUserOffsets":true
                        }
                      },
                      { "Viewpoint":
                        {
                          "@DEF":"ViewFromBehind",
                          "@description":"pelvis from left side",
                          "@nearDistance":0.001,
                          "@orientation":[0,1,0,1.5708],
                          "@position":[0.4,0,0],
                          "@retainUserOffsets":true
                        }
                      },
                      { "Viewpoint":
                        {
                          "@DEF":"ViewFromLeft",
                          "@description":"pelvis from behind",
                          "@nearDistance":0.001,
                          "@orientation":[0,1,0,3.1416],
                          "@position":[0,0,-0.4],
                          "@retainUserOffsets":true
                        }
                      },
                      { "Viewpoint":
                        {
                          "@DEF":"ViewFromRight",
                          "@description":"pelvis from right side",
                          "@nearDistance":0.001,
                          "@orientation":[0,1,0,-1.5708],
                          "@position":[-0.4,0,0],
                          "@retainUserOffsets":true
                        }
                      },
                      { "Viewpoint":
                        {
                          "@DEF":"ViewFromAbove",
                          "@description":"pelvis from above",
                          "@nearDistance":0.001,
                          "@orientation":[1,0,0,-1.5708],
                          "@position":[0,0.4,0],
                          "@retainUserOffsets":true
                        }
                      },
                      { "Viewpoint":
                        {
                          "@DEF":"ViewFromBelow",
                          "@description":"pelvis from below",
                          "@nearDistance":0.001,
                          "@orientation":[1,0,0,1.5708],
                          "@position":[0,-0.4,0],
                          "@retainUserOffsets":true
                        }
                      }
                    ]
                  }
                },
                {
                  "#comment":"nevertheless, TouchSensor interfaces from each of the Inline models are closer, taking priority and overriding this interface"
                },
                { "Viewpoint":
                  {
                    "@DEF":"HiddenViewpoint",
                    "@nearDistance":0.001,
                    "@position":[0,0,0.3],
                    "@retainUserOffsets":true,
                    "-navigationInfo":[
                      { "NavigationInfo":
                        {
                          "@transitionType":["ANIMATE"],
                          "@type":["EXAMINE"]
                        }
                      }
                    ]
                  }
                },
                { "ROUTE":
                  {
                    "@fromField":"isActive",
                    "@fromNode":"UserTouchSensor",
                    "@toField":"set_bind",
                    "@toNode":"HiddenViewpoint"
                  }
                },
                { "DirectionalLight":
                  {
                    "@DEF":"HiddenLight",
                    "@ambientIntensity":1,
                    "@color":[0.1,0.1,1],
                    "@on":false
                  }
                },
                { "ROUTE":
                  {
                    "@fromField":"isOver",
                    "@fromNode":"UserTouchSensor",
                    "@toField":"on",
                    "@toNode":"HiddenLight"
                  }
                }
              ]
            }
          },
          { "Inline":
            {
              "@DEF":"l_humerus",
              "@url":["l_hip_bone.x3d","https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Bones/l_hip_bone.x3d","l_hip_bone.wrl","https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Bones/l_hip_bone.wrl"]
            }
          },
          { "Inline":
            {
              "@DEF":"r_hip_bone",
              "@url":["r_hip_bone.x3d","https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Bones/r_hip_bone.x3d","r_hip_bone.wrl","https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Bones/r_hip_bone.wrl"]
            }
          },
          { "Inline":
            {
              "@DEF":"pubic_symphysis",
              "@url":["pubic_symphysis.x3d","https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Bones/pubic_symphysis.x3d","pubic_symphysis.wrl","https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Bones/pubic_symphysis.wrl"]
            }
          },
          { "Inline":
            {
              "@DEF":"coccyx",
              "@url":["coccyx.x3d","https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Bones/coccyx.x3d","coccyx.wrl","https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Bones/coccyx.wrl"]
            }
          }
        ]
    }
  }
}