{
 "control_points": [
  {
   "x": 7160.34,
   "y": 4574.1,
   "z": 1019
  },
  {
   "x": 4709.9,
   "y": 3259.72,
   "z": 1485
  },
  {
   "x": 3760.77,
   "y": 5328.04,
   "z": 1950
  },
  {
   "x": 4267.39,
   "y": 5976.96,
   "z": 2416
  },
  {
   "x": 3706.98,
   "y": 6380.54,
   "z": 2882
  },
  {
   "x": 3759.68,
   "y": 6413.18,
   "z": 3347
  },
  {
   "x": 3924.32,
   "y": 6144.86,
   "z": 3813
  },
  {
   "x": 3975.47,
   "y": 5783.98,
   "z": 4278
  },
  {
   "x": 4019.15,
   "y": 5587.06,
   "z": 4744
  },
  {
   "x": 4077.16,
   "y": 5552.49,
   "z": 5210
  },
  {
   "x": 4126.49,
   "y": 5567.27,
   "z": 5675
  },
  {
   "x": 4167.35,
   "y": 5582.12,
   "z": 6141
  },
  {
   "x": 4273.69,
   "y": 5445.74,
   "z": 6606
  },
  {
   "x": 4287.96,
   "y": 5377.99,
   "z": 7072
  },
  {
   "x": 4436.51,
   "y": 5383.65,
   "z": 7537
  },
  {
   "x": 4745.49,
   "y": 5310.7,
   "z": 8003
  },
  {
   "x": 4825.43,
   "y": 5298.26,
   "z": 8469
  },
  {
   "x": 4614.27,
   "y": 5335.68,
   "z": 8934
  },
  {
   "x": 4871.57,
   "y": 5202.16,
   "z": 9400
  },
  {
   "x": 5033.86,
   "y": 5233.59,
   "z": 9865
  },
  {
   "x": 5105.62,
   "y": 5054.59,
   "z": 10331
  },
  {
   "x": 5129.21,
   "y": 4994.44,
   "z": 10797
  },
  {
   "x": 4081.63,
   "y": 4832.0,
   "z": 11262
  },
  {
   "x": 2526.39,
   "y": 5311.22,
   "z": 11728
  }
 ],
 "metadata": {
  "origin": "evilaliv3/vesuvius-challenge-pipeline@1761237 results/e89eb7ad-umbilicus-estimator/src/evidence/cpp-positions-24.csv",
  "kind": "automatic (VC3D normal-grid estimator, variant no-division, role position, inside==1 only)",
  "dropped_outside": 0,
  "volume": "PHerc0175A/volumes/20250521115057-8.640um-1.2m-116keV-masked.zarr",
  "voxel_um": 8.64,
  "axes": "x = column, y = row, z = slice; level-0 voxels"
 }
}