{
 "control_points": [
  {
   "x": 2555.25,
   "y": 3601.7,
   "z": 1943
  },
  {
   "x": 3286.52,
   "y": 4845.07,
   "z": 2831
  },
  {
   "x": 3257.16,
   "y": 4764.56,
   "z": 3718
  },
  {
   "x": 3627.43,
   "y": 4653.32,
   "z": 4605
  },
  {
   "x": 3345.08,
   "y": 4416.65,
   "z": 5493
  },
  {
   "x": 3461.15,
   "y": 4137.41,
   "z": 6380
  },
  {
   "x": 3591.95,
   "y": 3793.62,
   "z": 7267
  },
  {
   "x": 4026.86,
   "y": 3575.83,
   "z": 8155
  },
  {
   "x": 3898.91,
   "y": 3643.22,
   "z": 9042
  },
  {
   "x": 3891.88,
   "y": 4006.68,
   "z": 9930
  },
  {
   "x": 3795.5,
   "y": 3520.6,
   "z": 10817
  },
  {
   "x": 3861.8,
   "y": 3661.21,
   "z": 11704
  },
  {
   "x": 3793.38,
   "y": 3333.43,
   "z": 12592
  },
  {
   "x": 3536.62,
   "y": 3170.85,
   "z": 13479
  },
  {
   "x": 3628.68,
   "y": 2929.75,
   "z": 14366
  },
  {
   "x": 3456.03,
   "y": 3236.51,
   "z": 15254
  },
  {
   "x": 3561.3,
   "y": 3705.46,
   "z": 16141
  },
  {
   "x": 3707.85,
   "y": 4094.93,
   "z": 17029
  },
  {
   "x": 3216.81,
   "y": 4842.3,
   "z": 17916
  },
  {
   "x": 3824.96,
   "y": 5180.32,
   "z": 18803
  },
  {
   "x": 3683.71,
   "y": 5442.63,
   "z": 19691
  },
  {
   "x": 3031.79,
   "y": 5255.74,
   "z": 20578
  },
  {
   "x": 3801.8,
   "y": 4208.43,
   "z": 21465
  },
  {
   "x": 4291.44,
   "y": 3702.66,
   "z": 22353
  }
 ],
 "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": "PHerc1447/volumes/20250521151220-8.640um-1.2m-116keV-masked.zarr",
  "voxel_um": 8.64,
  "axes": "x = column, y = row, z = slice; level-0 voxels"
 }
}