{
  "zarr_format": 3,
  "node_type": "group",
  "attributes": {
    "ome": {
      "version": "0.5",
      "multiscales": [
        {
          "version": "0.5",
          "name": "20260319104112-surface-20260413222639-surface-m7-L2-th0.2.zarr",
          "axes": [
            {
              "name": "z",
              "type": "space",
              "unit": "micrometer"
            },
            {
              "name": "y",
              "type": "space",
              "unit": "micrometer"
            },
            {
              "name": "x",
              "type": "space",
              "unit": "micrometer"
            }
          ],
          "datasets": [
            {
              "path": "9.604",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    9.604,
                    9.604,
                    9.604
                  ]
                }
              ]
            },
            {
              "path": "19.208",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    19.208,
                    19.208,
                    19.208
                  ]
                }
              ]
            },
            {
              "path": "38.416",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    38.416,
                    38.416,
                    38.416
                  ]
                }
              ]
            },
            {
              "path": "76.832",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    76.832,
                    76.832,
                    76.832
                  ]
                }
              ]
            },
            {
              "path": "153.664",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    153.664,
                    153.664,
                    153.664
                  ]
                }
              ]
            },
            {
              "path": "307.328",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    307.328,
                    307.328,
                    307.328
                  ]
                }
              ]
            },
            {
              "path": "614.656",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    614.656,
                    614.656,
                    614.656
                  ]
                }
              ]
            },
            {
              "path": "1229.312",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    1229.312,
                    1229.312,
                    1229.312
                  ]
                }
              ]
            }
          ],
          "type": "majority",
          "metadata": {
            "source": "https://vesuvius-challenge-open-data.s3.us-east-1.amazonaws.com/PHerc0009B/representations/predictions/surfaces/20260319104112-surface-20260413222639-surface-m7-L2-th0.2.zarr/",
            "codec": "volcomp",
            "description": "2x2x2 majority pooling of the level below; level 0 is the published grid, unresampled"
          }
        }
      ]
    },
    "volcomp": {
      "source": "https://vesuvius-challenge-open-data.s3.us-east-1.amazonaws.com/PHerc0009B/representations/predictions/surfaces/20260319104112-surface-20260413222639-surface-m7-L2-th0.2.zarr/",
      "source_volume": "https://vesuvius-challenge-open-data.s3.us-east-1.amazonaws.com/PHerc0009B/volumes/20260319104112-2.401um-0.3m-77keV-masked.zarr/",
      "source_level": 2,
      "source_chunk": 192,
      "threshold": 0.2,
      "encoding": {
        "name": "surface-mask-lossless",
        "dmax": 3,
        "storage": "volcomp lossless mask chunk (format revision 3, mode 5): the binary mask of this level at full resolution, coded exactly with the same 12-neighbour context-model range coder the 2x mask mode uses on its pool",
        "decode": "the mask itself, as u8 0 or 255, voxel for voxel; nothing is interpolated",
        "pyramid": "each level is the 2x2x2 majority pool (count*2 >= 8) of the level below, voxels outside the array counting as air",
        "resample": "none: level 0 is the published grid exactly (scale 1)"
      },
      "native_voxel_size_um": 9.604,
      "rung_voxel_size_um": 9.604,
      "resampled": false,
      "resample_scale": 1.0,
      "source_shape": [
        7278,
        7065,
        7065
      ],
      "shape": [
        7278,
        7065,
        7065
      ],
      "levels": [
        {
          "path": "9.604",
          "voxel_size_um": 9.604,
          "shape": [
            7278,
            7065,
            7065
          ],
          "encoding": "mask-lossless",
          "q": 0.0,
          "shard": 1024
        },
        {
          "path": "19.208",
          "voxel_size_um": 19.208,
          "shape": [
            3639,
            3533,
            3533
          ],
          "encoding": "mask-lossless",
          "q": 0.0,
          "shard": 512
        },
        {
          "path": "38.416",
          "voxel_size_um": 38.416,
          "shape": [
            1820,
            1767,
            1767
          ],
          "encoding": "mask-lossless",
          "q": 0.0,
          "shard": 256
        },
        {
          "path": "76.832",
          "voxel_size_um": 76.832,
          "shape": [
            910,
            884,
            884
          ],
          "encoding": "mask-lossless",
          "q": 0.0,
          "shard": 128
        },
        {
          "path": "153.664",
          "voxel_size_um": 153.664,
          "shape": [
            455,
            442,
            442
          ],
          "encoding": "mask-lossless",
          "q": 0.0,
          "shard": 128
        },
        {
          "path": "307.328",
          "voxel_size_um": 307.328,
          "shape": [
            228,
            221,
            221
          ],
          "encoding": "mask-lossless",
          "q": 0.0,
          "shard": 128
        },
        {
          "path": "614.656",
          "voxel_size_um": 614.656,
          "shape": [
            114,
            111,
            111
          ],
          "encoding": "mask-lossless",
          "q": 0.0,
          "shard": 128
        },
        {
          "path": "1229.312",
          "voxel_size_um": 1229.312,
          "shape": [
            57,
            56,
            56
          ],
          "encoding": "mask-lossless",
          "q": 0.0,
          "shard": 128
        }
      ]
    }
  },
  "consolidated_metadata": null
}