Smooth tour example 4.0 smooth -121.303179 45.993041 0 -27.923387 71.600075 22570.546801 relativeToGround 4.0 smooth -121.475387 46.221911 0 -71.951521 68.691278 14448.998713 relativeToGround 4.0 smooth -122.039669 47.150637 0 -42.695643 70.730178 70732.558341 relativeToGround 4.0 smooth -121.849107 46.986296 0 149.864810 58.696527 9562.267238 relativeToGround