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    "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json",
    "head": {
        "meta": [
          {
            "@name":"title",
            "@content":"WheelsRearLeftPrototype.x3d"
          },
          {
            "@name":"description",
            "@content":"This prototype performs the movement to raise and lower rear left wheels and axle. The clickable axle triggers an animation."
          },
          {
            "@name":"creator",
            "@content":"Etsuko Lippi"
          },
          {
            "@name":"created",
            "@content":"18 October 2001"
          },
          {
            "@name":"modified",
            "@content":"20 October 2019"
          },
          {
            "@name":"generator",
            "@content":"X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/Savage/AircraftFixedWing/F18BlueAngelUnitedStates/WheelsRearLeftPrototype.x3d"
          },
          {
            "@name":"subject",
            "@content":"rear left wheel Prototype, gear up and down animation"
          },
          {
            "@name":"license",
            "@content":"../../license.html"
          },
          {
            "@name":"translated",
            "@content":"30 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":"WheelsRearLeftPrototype.x3d"
            }
          },
          { "ProtoDeclare":
            {
              "@name":"WheelsRearLeft",
              "ProtoInterface": {
                  "field": [
                    {
                      "@name":"gearup",
                      "@accessType":"inputOnly",
                      "@appinfo":"boolean eventIn: true = wheels up false = wheels down.",
                      "@type":"SFBool"
                    },
                    {
                      "@name":"animationStartTime",
                      "@accessType":"inputOnly",
                      "@type":"SFTime"
                    },
                    {
                      "@name":"gearupOut",
                      "@accessType":"outputOnly",
                      "@type":"SFBool"
                    },
                    {
                      "@name":"traceEnabled",
                      "@accessType":"initializeOnly",
                      "@type":"SFBool",
                      "@value":false
                    }
                  ]
              },
              "ProtoBody": {
                  "-children":[
                    { "Group":
                      {
                        "-children":[
                          { "Transform":
                            {
                              "@DEF":"WheelsRearTransform",
                              "@center":[0,3.8,0],
                              "-children":[
                                { "Transform":
                                  {
                                    "@DEF":"WheelsRearAxleTransform",
                                    "@center":[0.02,0.2,1.72],
                                    "-children":[
                                      { "Group":
                                        {
                                          "-children":[
                                            {
                                              "#comment":"wheels axis connecting to fuselage"
                                            },
                                            { "Transform":
                                              {
                                                "@DEF":"WheelTransform",
                                                "@scale":[1.2,1.2,1.2],
                                                "-children":[
                                                  { "Transform":
                                                    {
                                                      "@scale":[0.3,0.3,0.3],
                                                      "-children":[
                                                        { "Transform":
                                                          {
                                                            "@rotation":[0,1,0,1.571],
                                                            "-children":[
                                                              { "Shape":
                                                                {
                                                                  "@DEF":"wheel",
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "-material":
                                                                          { "Material":
                                                                            {
                                                                              "@DEF":"black1",
                                                                              "@diffuseColor":[0,0,0],
                                                                              "@shininess":0.125,
                                                                              "@specularColor":[0.2,0.2,0.2]
                                                                            }
                                                                          }
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Extrusion":
                                                                      {
                                                                        "@creaseAngle":3.14,
                                                                        "@crossSection":[0.00,1.30,0.494,1.196,0.923,0.923,1.196,0.494,1.30,0.00,1.196,-0.494,0.923,-0.923,0.494,-1.196,0.00,-1.30],
                                                                        "@spine":[0,0,1.30,0,0.494,1.196,0,0.923,0.923,0,1.196,0.494,0,1.30,0.00,0,1.196,-0.494,0,0.923,-0.923,0,0.494,-1.196,0,0.00,-1.30,0,-0.494,-1.196,0,-0.923,-0.923,0,-1.196,-0.494,0,-1.30,0,0,-1.196,0.494,0,-0.923,0.923,0,-0.494,1.196,0,0.00,1.30]
                                                                      }
                                                                    }
                                                                }
                                                              },
                                                              { "Shape":
                                                                {
                                                                  "@DEF":"inside_wheel",
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "@DEF":"white1",
                                                                        "-material":
                                                                          { "Material":
                                                                            {
                                                                              "@diffuseColor":[1,1,1]
                                                                            }
                                                                          }
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Extrusion":
                                                                      {
                                                                        "@crossSection":[0.00,1.30,0.10,1.30,0.10,0.00,0.10,-1.30,0.00,-1.30,0.00,0.00,0.00,1.30],
                                                                        "@spine":[0,0,1.30,0,0.494,1.196,0,0.923,0.923,0,1.196,0.494,0,1.30,0.00,0,1.196,-0.494,0,0.923,-0.923,0,0.494,-1.196,0,0.00,-1.30,0,-0.494,-1.196,0,-0.923,-0.923,0,-1.196,-0.494,0,-1.30,0,0,-1.196,0.494,0,-0.923,0.923,0,-0.494,1.196,0,0.00,1.30]
                                                                      }
                                                                    }
                                                                }
                                                              }
                                                            ]
                                                          }
                                                        },
                                                        { "Transform":
                                                          {
                                                            "@rotation":[0,1,0,1.571],
                                                            "-children":[
                                                              { "Shape":
                                                                {
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "@USE":"white1"
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Extrusion":
                                                                      {
                                                                        "@crossSection":[-0.10,1.30,0.00,1.30,0.00,0.00,0.00,-1.30,-0.10,-1.30,-0.10,0.00,-0.10,1.30],
                                                                        "@spine":[0,0,1.30,0,0.494,1.196,0,0.923,0.923,0,1.196,0.494,0,1.30,0.00,0,1.196,-0.494,0,0.923,-0.923,0,0.494,-1.196,0,0.00,-1.30,0,-0.494,-1.196,0,-0.923,-0.923,0,-1.196,-0.494,0,-1.30,0,0,-1.196,0.494,0,-0.923,0.923,0,-0.494,1.196,0,0.00,1.30]
                                                                      }
                                                                    }
                                                                }
                                                              }
                                                            ]
                                                          }
                                                        },
                                                        { "Transform":
                                                          {
                                                            "@rotation":[0,1,0,1.571],
                                                            "-children":[
                                                              { "Shape":
                                                                {
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "-material":
                                                                          { "Material":
                                                                            {
                                                                              "@diffuseColor":[0,0.25,0.5]
                                                                            }
                                                                          }
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Extrusion":
                                                                      {
                                                                        "@crossSection":[-0.30,1.30,-0.10,1.30,-0.10,0.00,-0.10,-1.30,-0.30,-1.30,-0.30,0.00,-0.30,1.30],
                                                                        "@spine":[0,0,1.30,0,0.494,1.196,0,0.923,0.923,0,1.196,0.494,0,1.30,0.00,0,1.196,-0.494,0,0.923,-0.923,0,0.494,-1.196,0,0.00,-1.30,0,-0.494,-1.196,0,-0.923,-0.923,0,-1.196,-0.494,0,-1.30,0,0,-1.196,0.494,0,-0.923,0.923,0,-0.494,1.196,0,0.00,1.30]
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                                                                    }
                                                                }
                                                              }
                                                            ]
                                                          }
                                                        }
                                                      ]
                                                    }
                                                  },
                                                  { "Transform":
                                                    {
                                                      "@translation":[0,0,0.30],
                                                      "-children":[
                                                        { "Inline":
                                                          {
                                                            "@DEF":"Hub",
                                                            "@url":["Hub.wrl","https://www.web3d.org/x3d/content/examples/Savage/AircraftFixedWing/F18BlueAngelUnitedStates/Hub.wrl","Hub.x3d","https://www.web3d.org/x3d/content/examples/Savage/AircraftFixedWing/F18BlueAngelUnitedStates/Hub.x3d"]
                                                          }
                                                        }
                                                      ]
                                                    }
                                                  },
                                                  { "Transform":
                                                    {
                                                      "@translation":[0,0,-0.30],
                                                      "-children":[
                                                        { "Inline":
                                                          {
                                                            "@USE":"Hub"
                                                          }
                                                        }
                                                      ]
                                                    }
                                                  },
                                                  { "TouchSensor":
                                                    {
                                                      "@DEF":"WheelTouchSensor",
                                                      "@description":"pointer spins wheel"
                                                    }
                                                  },
                                                  { "TimeSensor":
                                                    {
                                                      "@DEF":"Clock",
                                                      "@cycleInterval":0.5,
                                                      "@enabled":false,
                                                      "@loop":true
                                                    }
                                                  },
                                                  { "OrientationInterpolator":
                                                    {
                                                      "@DEF":"WheelInterpolator",
                                                      "@key":[0,0.5,1.0],
                                                      "@keyValue":[0,0,1,0.0,0,0,1,3.14,0,0,1,6.28]
                                                    }
                                                  },
                                                  { "ROUTE":
                                                    {
                                                      "@fromField":"isOver",
                                                      "@fromNode":"WheelTouchSensor",
                                                      "@toField":"set_enabled",
                                                      "@toNode":"Clock"
                                                    }
                                                  },
                                                  { "ROUTE":
                                                    {
                                                      "@fromField":"fraction_changed",
                                                      "@fromNode":"Clock",
                                                      "@toField":"set_fraction",
                                                      "@toNode":"WheelInterpolator"
                                                    }
                                                  },
                                                  { "ROUTE":
                                                    {
                                                      "@fromField":"value_changed",
                                                      "@fromNode":"WheelInterpolator",
                                                      "@toField":"set_rotation",
                                                      "@toNode":"WheelTransform"
                                                    }
                                                  }
                                                ]
                                              }
                                            }
                                          ]
                                        }
                                      },
                                      { "Group":
                                        {
                                          "-children":[
                                            { "Transform":
                                              {
                                                "@DEF":"JointsAxisAndAssistantsTest",
                                                "-children":[
                                                  { "Group":
                                                    {
                                                      "@DEF":"JointsAxisAndAssistants",
                                                      "-children":[
                                                        { "Transform":
                                                          {
                                                            "@rotation":[-0.13,0.98,-0.13,1.59],
                                                            "@scale":[0.1,0.1,0.1],
                                                            "@translation":[0,0.15,1.55],
                                                            "-children":[
                                                              {
                                                                "#comment":"Joint center"
                                                              },
                                                              { "Shape":
                                                                {
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "@DEF":"AxleColor",
                                                                        "-material":
                                                                          { "Material":
                                                                            {
                                                                              "@ambientIntensity":0.3,
                                                                              "@diffuseColor":[0.3,0.3,0.3],
                                                                              "@shininess":0.20,
                                                                              "@specularColor":[0.50,0.50,0.60]
                                                                            }
                                                                          }
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Extrusion":
                                                                      {
                                                                        "@DEF":"joint",
                                                                        "@creaseAngle":2.5,
                                                                        "@crossSection":[0.00,1.30,0.494,1.196,0.923,0.923,1.196,0.494,1.30,0.00,1.196,-0.494,0.923,-0.923,0.494,-1.196,0.00,-1.30,-0.494,-1.196,-0.923,-0.923,-1.196,-0.494,-1.30,-0.00,-1.196,0.494,-0.923,0.923,-0.494,1.196,0.00,1.30],
                                                                        "@spine":[-2.5,1.5,0,-2.5,1,0,-2,0,0,-2,0,0,-1.5,-1,0,-0.5,-1.5,0,0.5,-1.5,0,1.5,-1.5,0,2,-1.0,0]
                                                                      }
                                                                    }
                                                                }
                                                              }
                                                            ]
                                                          }
                                                        },
                                                        { "Transform":
                                                          {
                                                            "@rotation":[-0.13,0.98,-0.13,1.59],
                                                            "@scale":[0.07,0.07,0.07],
                                                            "@translation":[0.30,0.15,1.55],
                                                            "-children":[
                                                              {
                                                                "#comment":"Joint side"
                                                              },
                                                              { "Shape":
                                                                {
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "@USE":"AxleColor"
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Extrusion":
                                                                      {
                                                                        "@USE":"joint"
                                                                      }
                                                                    }
                                                                }
                                                              }
                                                            ]
                                                          }
                                                        },
                                                        { "Transform":
                                                          {
                                                            "@rotation":[-0.13,0.98,-0.13,1.59],
                                                            "@scale":[0.07,0.07,0.07],
                                                            "@translation":[-0.30,0.15,1.55],
                                                            "-children":[
                                                              {
                                                                "#comment":"Joint side"
                                                              },
                                                              { "Shape":
                                                                {
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "@USE":"AxleColor"
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Extrusion":
                                                                      {
                                                                        "@USE":"joint"
                                                                      }
                                                                    }
                                                                }
                                                              }
                                                            ]
                                                          }
                                                        },
                                                        { "Transform":
                                                          {
                                                            "@rotation":[1,0,0,1.57],
                                                            "@scale":[0.7,0.7,0.7],
                                                            "@translation":[0,0,0.5],
                                                            "-children":[
                                                              {
                                                                "#comment":"Wheel connected axis. (black)"
                                                              },
                                                              { "Shape":
                                                                {
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "@USE":"AxleColor"
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Cylinder":
                                                                      {
                                                                        "@height":1.0,
                                                                        "@radius":0.1
                                                                      }
                                                                    }
                                                                }
                                                              }
                                                            ]
                                                          }
                                                        },
                                                        { "Transform":
                                                          {
                                                            "@rotation":[1,0,0,1.57],
                                                            "@scale":[0.7,0.7,0.7],
                                                            "@translation":[0,0,0.65],
                                                            "-children":[
                                                              {
                                                                "#comment":"The second axis. (black)"
                                                              },
                                                              { "Shape":
                                                                {
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "@USE":"AxleColor"
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Cylinder":
                                                                      {
                                                                        "@height":0.4,
                                                                        "@radius":0.25
                                                                      }
                                                                    }
                                                                }
                                                              }
                                                            ]
                                                          }
                                                        },
                                                        { "Transform":
                                                          {
                                                            "@rotation":[1,0,0,1.57],
                                                            "@scale":[0.7,0.7,0.7],
                                                            "@translation":[0,0,1.1],
                                                            "-children":[
                                                              {
                                                                "#comment":"assistant axle for rear wheel(white)"
                                                              },
                                                              { "Shape":
                                                                {
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "-material":
                                                                          { "Material":
                                                                            {
                                                                              "@diffuseColor":[1.0,1.0,1.0]
                                                                            }
                                                                          }
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Cylinder":
                                                                      {
                                                                        "@height":1,
                                                                        "@radius":0.3
                                                                      }
                                                                    }
                                                                }
                                                              }
                                                            ]
                                                          }
                                                        },
                                                        { "Transform":
                                                          {
                                                            "@rotation":[1,0,0,1.57],
                                                            "@scale":[0.7,0.7,0.7],
                                                            "@translation":[0.3,0,1.1],
                                                            "-children":[
                                                              {
                                                                "#comment":"assistant axle for rear wheel(white)"
                                                              },
                                                              { "Shape":
                                                                {
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "@DEF":"AssistantAxleColor",
                                                                        "-material":
                                                                          { "Material":
                                                                            {
                                                                              "@diffuseColor":[1.0,1.0,1.0]
                                                                            }
                                                                          }
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Cylinder":
                                                                      {
                                                                        "@height":1,
                                                                        "@radius":0.3
                                                                      }
                                                                    }
                                                                }
                                                              }
                                                            ]
                                                          }
                                                        },
                                                        { "Transform":
                                                          {
                                                            "@rotation":[1,0,0,1.57],
                                                            "@scale":[0.7,0.7,0.7],
                                                            "@translation":[-0.3,0,1.1],
                                                            "-children":[
                                                              {
                                                                "#comment":"assistant axle for rear wheel(white)"
                                                              },
                                                              { "Shape":
                                                                {
                                                                  "-appearance":
                                                                    { "Appearance":
                                                                      {
                                                                        "@USE":"AssistantAxleColor"
                                                                      }
                                                                    },
                                                                  "-geometry":
                                                                    { "Cylinder":
                                                                      {
                                                                        "@height":1,
                                                                        "@radius":0.3
                                                                      }
                                                                    }
                                                                }
                                                              }
                                                            ]
                                                          }
                                                        }
                                                      ]
                                                    }
                                                  }
                                                ]
                                              }
                                            }
                                          ]
                                        }
                                      }
                                    ]
                                  }
                                },
                                { "Transform":
                                  {
                                    "-children":[
                                      { "Group":
                                        {
                                          "@DEF":"RearAxles",
                                          "-children":[
                                            { "Transform":
                                              {
                                                "@rotation":[1,0,0,0.44],
                                                "@scale":[0.7,0.7,0.7],
                                                "@translation":[0,1.05,2.15],
                                                "-children":[
                                                  {
                                                    "#comment":"main axle for rear wheels (white)"
                                                  },
                                                  { "Shape":
                                                    {
                                                      "-appearance":
                                                        { "Appearance":
                                                          {
                                                            "@USE":"AssistantAxleColor"
                                                          }
                                                        },
                                                      "-geometry":
                                                        { "Box":
                                                          {
                                                            "@size":[0.5,3,0.5]
                                                          }
                                                        }
                                                    }
                                                  }
                                                ]
                                              }
                                            },
                                            { "Transform":
                                              {
                                                "@rotation":[1,0,0,0.44],
                                                "@scale":[0.7,0.7,0.7],
                                                "@translation":[0.3,0.8,2],
                                                "-children":[
                                                  {
                                                    "#comment":"assistant axle for rear wheel (white)"
                                                  },
                                                  { "Shape":
                                                    {
                                                      "-appearance":
                                                        { "Appearance":
                                                          {
                                                            "@USE":"AssistantAxleColor"
                                                          }
                                                        },
                                                      "-geometry":
                                                        { "Cylinder":
                                                          {
                                                            "@radius":0.2
                                                          }
                                                        }
                                                    }
                                                  }
                                                ]
                                              }
                                            },
                                            { "Transform":
                                              {
                                                "@rotation":[1,0,0,0.44],
                                                "@scale":[0.7,0.7,0.7],
                                                "@translation":[0.3,1.5,2.3],
                                                "-children":[
                                                  {
                                                    "#comment":"assistant axle for rear wheel (white)"
                                                  },
                                                  { "Shape":
                                                    {
                                                      "-appearance":
                                                        { "Appearance":
                                                          {
                                                            "@USE":"AssistantAxleColor"
                                                          }
                                                        },
                                                      "-geometry":
                                                        { "Cylinder":
                                                          {
                                                            "@radius":0.3
                                                          }
                                                        }
                                                    }
                                                  }
                                                ]
                                              }
                                            },
                                            { "Transform":
                                              {
                                                "@rotation":[1,0,0,0.44],
                                                "@scale":[0.7,0.7,0.7],
                                                "@translation":[-0.3,0.8,2],
                                                "-children":[
                                                  {
                                                    "#comment":"assistant axle for rear wheel (white)"
                                                  },
                                                  { "Shape":
                                                    {
                                                      "-appearance":
                                                        { "Appearance":
                                                          {
                                                            "@USE":"AssistantAxleColor"
                                                          }
                                                        },
                                                      "-geometry":
                                                        { "Cylinder":
                                                          {
                                                            "@radius":0.2
                                                          }
                                                        }
                                                    }
                                                  }
                                                ]
                                              }
                                            },
                                            { "Transform":
                                              {
                                                "@rotation":[1,0,0,0.44],
                                                "@scale":[0.7,0.7,0.7],
                                                "@translation":[-0.3,1.5,2.3],
                                                "-children":[
                                                  {
                                                    "#comment":"assistant axle for rear wheel (white)"
                                                  },
                                                  { "Shape":
                                                    {
                                                      "-appearance":
                                                        { "Appearance":
                                                          {
                                                            "@USE":"AssistantAxleColor"
                                                          }
                                                        },
                                                      "-geometry":
                                                        { "Cylinder":
                                                          {
                                                            "@radius":0.3
                                                          }
                                                        }
                                                    }
                                                  }
                                                ]
                                              }
                                            },
                                            { "Transform":
                                              {
                                                "@rotation":[1,0,0,0.44],
                                                "@scale":[0.5,0.5,0.5],
                                                "@translation":[-0.3,0.2,1.72],
                                                "-children":[
                                                  {
                                                    "#comment":"assistant axis under axle (black)"
                                                  },
                                                  { "Shape":
                                                    {
                                                      "-appearance":
                                                        { "Appearance":
                                                          {
                                                            "@USE":"AxleColor"
                                                          }
                                                        },
                                                      "-geometry":
                                                        { "Cylinder":
                                                          {
                                                            "@height":0.7,
                                                            "@radius":0.2
                                                          }
                                                        }
                                                    }
                                                  }
                                                ]
                                              }
                                            },
                                            { "Transform":
                                              {
                                                "@rotation":[1,0,0,0.44],
                                                "@scale":[0.5,0.5,0.5],
                                                "@translation":[0,0.2,1.72],
                                                "-children":[
                                                  {
                                                    "#comment":"assistant axis under axle (black)"
                                                  },
                                                  { "Shape":
                                                    {
                                                      "-appearance":
                                                        { "Appearance":
                                                          {
                                                            "@USE":"AxleColor"
                                                          }
                                                        },
                                                      "-geometry":
                                                        { "Cylinder":
                                                          {
                                                            "@height":0.7,
                                                            "@radius":0.2
                                                          }
                                                        }
                                                    }
                                                  }
                                                ]
                                              }
                                            },
                                            { "Transform":
                                              {
                                                "@rotation":[1,0,0,0.44],
                                                "@scale":[0.5,0.5,0.5],
                                                "@translation":[0.3,0.2,1.72],
                                                "-children":[
                                                  {
                                                    "#comment":"assistant axis under axle (black)"
                                                  },
                                                  { "Shape":
                                                    {
                                                      "-appearance":
                                                        { "Appearance":
                                                          {
                                                            "@USE":"AxleColor"
                                                          }
                                                        },
                                                      "-geometry":
                                                        { "Cylinder":
                                                          {
                                                            "@height":0.7,
                                                            "@radius":0.2
                                                          }
                                                        }
                                                    }
                                                  }
                                                ]
                                              }
                                            }
                                          ]
                                        }
                                      }
                                    ]
                                  }
                                },
                                { "Script":
                                  {
                                    "@DEF":"GearUpDownScript",
                                    "field": [
                                      {
                                        "@name":"gearup",
                                        "@accessType":"inputOnly",
                                        "@appinfo":"eventIn: boolean true: wheels up false: wheels down",
                                        "@type":"SFBool"
                                      },
                                      {
                                        "@name":"gearupOut",
                                        "@accessType":"outputOnly",
                                        "@type":"SFBool"
                                      },
                                      {
                                        "@name":"keyValue",
                                        "@accessType":"outputOnly",
                                        "@type":"MFRotation"
                                      },
                                      {
                                        "@name":"keyValue2",
                                        "@accessType":"outputOnly",
                                        "@type":"MFRotation"
                                      },
                                      {
                                        "@name":"kV1",
                                        "@accessType":"initializeOnly",
                                        "@type":"SFRotation"
                                      },
                                      {
                                        "@name":"kV1Second",
                                        "@accessType":"initializeOnly",
                                        "@type":"SFRotation"
                                      },
                                      {
                                        "@name":"kV2",
                                        "@accessType":"initializeOnly",
                                        "@type":"SFRotation"
                                      },
                                      {
                                        "@name":"kV2Second",
                                        "@accessType":"initializeOnly",
                                        "@type":"SFRotation"
                                      },
                                      {
                                        "@name":"kV3",
                                        "@accessType":"initializeOnly",
                                        "@type":"SFRotation"
                                      },
                                      {
                                        "@name":"kV3Second",
                                        "@accessType":"initializeOnly",
                                        "@type":"SFRotation"
                                      },
                                      {
                                        "@name":"kV4",
                                        "@accessType":"initializeOnly",
                                        "@type":"SFRotation"
                                      },
                                      {
                                        "@name":"kV4Second",
                                        "@accessType":"initializeOnly",
                                        "@type":"SFRotation"
                                      },
                                      {
                                        "@name":"set_fraction",
                                        "@accessType":"inputOnly",
                                        "@type":"SFFloat"
                                      },
                                      {
                                        "@name":"animationStartTime",
                                        "@accessType":"inputOnly",
                                        "@type":"SFTime"
                                      },
                                      {
                                        "@name":"clockStartTime",
                                        "@accessType":"outputOnly",
                                        "@type":"SFTime"
                                      },
                                      {
                                        "@name":"traceEnabled",
                                        "@accessType":"initializeOnly",
                                        "@type":"SFBool"
                                      }
                                    ],
                                    "IS": {
                                        "connect": [
                                          {
                                            "@nodeField":"gearup",
                                            "@protoField":"gearup"
                                          },
                                          {
                                            "@nodeField":"animationStartTime",
                                            "@protoField":"animationStartTime"
                                          },
                                          {
                                            "@nodeField":"gearupOut",
                                            "@protoField":"gearupOut"
                                          },
                                          {
                                            "@nodeField":"traceEnabled",
                                            "@protoField":"traceEnabled"
                                          }
                                        ]
                                    },
                                    "#sourceCode":[
"",
"",
"ecmascript:",
"",
"function gearup(value, timeStamp) {",
"",
" if (value == true)       //Gear Up",
" {",
"      \ttracePrint ('[GearUp] ' );",
"      \ttracePrint ('value = ' + value);",
"      \tgearupOut = true;    \t",
"",
"      \tkV1 = new SFRotation (new SFVec3f (0, 1, 0), 0.0);  ",
"     \tkV2 = new SFRotation (new SFVec3f (0, 1, 0), 0.44);",
"      \tkV3 = new SFRotation(new SFVec3f (0, 1, 0), 1.22);",
"        kV4 = new SFRotation(new SFVec3f (0.21, 0.95, 0.21), 1.62);",
"      \tkeyValue = new MFRotation(kV1, kV2, kV3, kV4);  ",
"",
"\tkV1Second = new SFRotation (new SFVec3f (0, 0, 1), 0.0);  ",
"     \tkV2Second = new SFRotation (new SFVec3f (0, 0, 1), 0.44);",
"      \tkV3Second = new SFRotation(new SFVec3f (0, 0, 1), 1.22);",
"        kV4Second = new SFRotation(new SFVec3f (-0.21, -0.21, 0.95), 1.62);",
"      \tkeyValue2 = new MFRotation(kV1Second, kV2Second, kV3Second, kV4Second);  ",
"      \t//tracePrint ('[keyValue = ]' + keyValue);      ",
"",
" }",
" else        //Gear Down",
" {",
"      \ttracePrint ('[GearDown] ' );",
"      \ttracePrint ('value = ' + value);",
"      \tgearupOut = true;",
"     \t",
"      \tkeyValue = new MFRotation(kV4, kV3, kV2, kV1);  ",
"        keyValue2 = new MFRotation(kV4Second, kV3Second, kV2Second, kV1Second);  ",
"      \t//tracePrint ('[keyValue = ]' + keyValue);             ",
" }",
"",
"}",
"",
"function set_fraction (value, timeStamp)",
"{",
"\t//tracePrint('time fraction = ' + value);",
"}",
"",
"function animationStartTime(value, timeStamp)",
"{\t",
"\ttracePrint('The Start Time is: ' + value);",
"\tclockStartTime = value;",
"}",
"",
"function tracePrint (outputString)",
"{",
"\tif (traceEnabled) Browser.println ('[WheelsRearLeftPrototype] ' + outputString);",
"}",
"",
""
]
                                  }
                                },
                                { "OrientationInterpolator":
                                  {
                                    "@DEF":"GearUpDownInterpolator",
                                    "@key":[0,0.5,0.75,1.0],
                                    "@keyValue":[0,1,0,0.0,0,1,0,0.44,0,1,0,1.22,0.21,0.95,0.21,1.62]
                                  }
                                },
                                { "OrientationInterpolator":
                                  {
                                    "@DEF":"GearUpDownInterpolator2",
                                    "@key":[0,0.25,0.5,1.0],
                                    "@keyValue":[0,0,1,0.0,0,0,1,0.44,0,0,1,0.80,-0.21,-0.21,0.95,1.62]
                                  }
                                },
                                { "TimeSensor":
                                  {
                                    "@DEF":"ClockAxleGearUpDownFirst",
                                    "@cycleInterval":4
                                  }
                                },
                                { "TimeSensor":
                                  {
                                    "@DEF":"ClockAxleGearUpDownSecond",
                                    "@cycleInterval":8
                                  }
                                },
                                { "ROUTE":
                                  {
                                    "@fromField":"clockStartTime",
                                    "@fromNode":"GearUpDownScript",
                                    "@toField":"set_startTime",
                                    "@toNode":"ClockAxleGearUpDownFirst"
                                  }
                                },
                                { "ROUTE":
                                  {
                                    "@fromField":"clockStartTime",
                                    "@fromNode":"GearUpDownScript",
                                    "@toField":"set_startTime",
                                    "@toNode":"ClockAxleGearUpDownSecond"
                                  }
                                },
                                { "ROUTE":
                                  {
                                    "@fromField":"gearupOut",
                                    "@fromNode":"GearUpDownScript",
                                    "@toField":"set_enabled",
                                    "@toNode":"ClockAxleGearUpDownFirst"
                                  }
                                },
                                { "ROUTE":
                                  {
                                    "@fromField":"gearupOut",
                                    "@fromNode":"GearUpDownScript",
                                    "@toField":"set_enabled",
                                    "@toNode":"ClockAxleGearUpDownSecond"
                                  }
                                },
                                { "ROUTE":
                                  {
                                    "@fromField":"keyValue",
                                    "@fromNode":"GearUpDownScript",
                                    "@toField":"set_keyValue",
                                    "@toNode":"GearUpDownInterpolator"
                                  }
                                },
                                { "ROUTE":
                                  {
                                    "@fromField":"keyValue2",
                                    "@fromNode":"GearUpDownScript",
                                    "@toField":"set_keyValue",
                                    "@toNode":"GearUpDownInterpolator2"
                                  }
                                },
                                { "ROUTE":
                                  {
                                    "@fromField":"fraction_changed",
                                    "@fromNode":"ClockAxleGearUpDownFirst",
                                    "@toField":"set_fraction",
                                    "@toNode":"GearUpDownInterpolator"
                                  }
                                },
                                { "ROUTE":
                                  {
                                    "@fromField":"fraction_changed",
                                    "@fromNode":"ClockAxleGearUpDownSecond",
                                    "@toField":"set_fraction",
                                    "@toNode":"GearUpDownInterpolator2"
                                  }
                                },
                                { "ROUTE":
                                  {
                                    "@fromField":"fraction_changed",
                                    "@fromNode":"ClockAxleGearUpDownFirst",
                                    "@toField":"set_fraction",
                                    "@toNode":"GearUpDownScript"
                                  }
                                },
                                { "ROUTE":
                                  {
                                    "@fromField":"value_changed",
                                    "@fromNode":"GearUpDownInterpolator",
                                    "@toField":"set_rotation",
                                    "@toNode":"WheelsRearAxleTransform"
                                  }
                                },
                                { "ROUTE":
                                  {
                                    "@fromField":"value_changed",
                                    "@fromNode":"GearUpDownInterpolator2",
                                    "@toField":"set_rotation",
                                    "@toNode":"WheelsRearTransform"
                                  }
                                }
                              ]
                            }
                          }
                        ]
                      }
                    }
                  ]
              }
            }
          },
          { "Background":
            {
              "@skyColor":[0.7,0.7,0.7]
            }
          },
          { "Anchor":
            {
              "@description":"WheelsRearLeftExample",
              "@parameter":["target=_blank"],
              "@url":["WheelsRearLeftExample.wrl","../../AircraftFixedWing/F18BlueAngelUnitedStates/WheelsRearLeftExample.wrl","https://www.web3d.org/x3d/content/examples/Savage/AircraftFixedWing/F18BlueAngelUnitedStates/WheelsRearLeftExample.wrl","WheelsRearLeftExample.x3d","../../AircraftFixedWing/F18BlueAngelUnitedStates/WheelsRearLeftExample.x3d","https://www.web3d.org/x3d/content/examples/Savage/AircraftFixedWing/F18BlueAngelUnitedStates/WheelsRearLeftExample.x3d"],
              "-children":[
                { "Shape":
                  {
                    "-geometry":
                      { "Text":
                        {
                          "@string":["WheelsRearLeftPrototype","is a prototype definition file","","To see an example scene","click on this text and view","WheelsRearLeftExample"],
                          "-fontStyle":
                            { "FontStyle":
                              {
                                "@justify":["MIDDLE","MIDDLE"]
                              }
                            }
                        }
                      },
                    "-appearance":
                      { "Appearance":
                        {
                        }
                      }
                  }
                }
              ]
            }
          }
        ]
    }
  }
}