{
 "control_points": [
  {
   "x": 3801.25,
   "y": 6064.7,
   "z": 1943
  },
  {
   "x": 3279.52,
   "y": 4862.07,
   "z": 2831
  },
  {
   "x": 4820.16,
   "y": 2356.56,
   "z": 3718
  },
  {
   "x": 5128.43,
   "y": 1315.32,
   "z": 4605
  },
  {
   "x": 5288.08,
   "y": 716.65,
   "z": 5493
  },
  {
   "x": 5213.86,
   "y": 12.83,
   "z": 8155
  },
  {
   "x": 5028.88,
   "y": 954.68,
   "z": 9930
  },
  {
   "x": 3763.5,
   "y": 3515.6,
   "z": 10817
  },
  {
   "x": 4404.8,
   "y": 599.21,
   "z": 11704
  },
  {
   "x": 3596.68,
   "y": 2919.75,
   "z": 14366
  },
  {
   "x": 6840.03,
   "y": 6810.51,
   "z": 15254
  },
  {
   "x": 3558.3,
   "y": 3739.46,
   "z": 16141
  }
 ],
 "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": 12,
  "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"
 }
}