{
 "control_points": [
  {
   "x": 3401.25,
   "y": 2146.49,
   "z": 1980
  },
  {
   "x": 2574.52,
   "y": 3510.34,
   "z": 2600
  },
  {
   "x": 3384.79,
   "y": 3466.68,
   "z": 3221
  },
  {
   "x": 3319.66,
   "y": 3398.38,
   "z": 3841
  },
  {
   "x": 3302.37,
   "y": 3342.7,
   "z": 4462
  },
  {
   "x": 4109.1,
   "y": 4871.45,
   "z": 5083
  },
  {
   "x": 4059.1,
   "y": 4816.52,
   "z": 5703
  },
  {
   "x": 4185.4,
   "y": 4521.3,
   "z": 6324
  },
  {
   "x": 5471.46,
   "y": 4497.19,
   "z": 8186
  },
  {
   "x": 4897.79,
   "y": 3632.96,
   "z": 8806
  },
  {
   "x": 4062.49,
   "y": 4116.92,
   "z": 9427
  },
  {
   "x": 4539.56,
   "y": 4045.12,
   "z": 10048
  },
  {
   "x": 4889.65,
   "y": 3940.49,
   "z": 10668
  },
  {
   "x": 3573.71,
   "y": 3515.22,
   "z": 11289
  },
  {
   "x": 3376.86,
   "y": 3601.41,
   "z": 11909
  },
  {
   "x": 3397.15,
   "y": 3595.64,
   "z": 12530
  },
  {
   "x": 3274.45,
   "y": 3726.45,
   "z": 13151
  },
  {
   "x": 3197.2,
   "y": 3872.98,
   "z": 13771
  },
  {
   "x": 2686.58,
   "y": 3729.3,
   "z": 14392
  },
  {
   "x": 2907.37,
   "y": 3297.5,
   "z": 15012
  },
  {
   "x": 2456.25,
   "y": 3193.61,
   "z": 15633
  }
 ],
 "metadata": {
  "origin": "evilaliv3/vesuvius-challenge-pipeline@1761237 results/e89eb7ad-umbilicus-estimator/src/evidence/cpp-positions-24.csv",
  "kind": "automatic (VC3D normal-grid estimator, variant as-is, role position, inside==1 only)",
  "dropped_outside": 3,
  "volume": "PHerc0813/volumes/20250821151723-9.362um-1.2m-113keV-masked.zarr",
  "voxel_um": 9.362,
  "axes": "x = column, y = row, z = slice; level-0 voxels"
 }
}