CylinderSensor

  CylinderSensor { 
      exposedField SFBool     autoOffset TRUE
      exposedField SFFloat    diskAngle  0.262       # (0,/2)
      exposedField SFBool     enabled    TRUE
      exposedField SFFloat    maxAngle   -1          # [-2,2]
      exposedField SFFloat    minAngle   0           # [-2,2]
      exposedField SFFloat    offset     0           # (-,)
      eventOut     SFBool     isActive
      eventOut     SFRotation rotation_changed
      eventOut     SFVec3f    trackPoint_changed
    }