{
  "format": "tifxyz",
  "type": "seg",
  "uuid": "band-seed8974794-20260730-000837-828.tifxyz",
  "scale": [
    0.05,
    0.05
  ],
  "bbox": [
    [
      2215.3994140625,
      6386.69384765625,
      16527.1796875
    ],
    [
      3742.349365234375,
      7075.20849609375,
      17463.931640625
    ]
  ],
  "source": "band grower prototype (crossing-corroborated UV)",
  "area_vx2": 1034972.9034400561,
  "area_cm2": 0.9538310278103557,
  "seed_track_row": 8974794,
  "tracks_path": "/mnt/raid_nvme/spiral_dataset_working/tracks/2um_ds2_ps256_surf_v2.dbm.vctracks",
  "mode": "graph",
  "accepted_tracks": 334,
  "surface_points": 57422,
  "min_size_cm2": 0.05,
  "max_size_cm2": 10.0,
  "sheet_gate_tol": 9.0,
  "anchor_reach": 40.0,
  "slip_ridge_tol": 0.0,
  "lattice": {
    "min_connect": 4,
    "evidence_spacing": 6.0,
    "rail_agree_frac": 0.5,
    "rail_min_votes": 3,
    "proposal_agree_frac": 0.0,
    "trust_gap": 60.0,
    "fill_gap": 60.0,
    "gap_publish_tol": 5.0,
    "discarded_rails": 12
  },
  "graph": {
    "span_witnesses": 1,
    "witness_min_offset": 4.0,
    "witness_max_offset": 150.0,
    "witness_shear_tol": 8.0,
    "graph_trim": "bridges",
    "max_span": 200.0,
    "blind_gap": 0.0,
    "growth_min_span": 50.0
  },
  "quality": {
    "thick_cell_frac": 0.0,
    "thickness_cells": 2367
  },
  "uv_refine": {
    "nodes": 2361,
    "median_shift": 7.805479783681882,
    "p95_shift": 19.370134897233587
  },
  "raster": {
    "grid_shape": [
      281,
      383
    ],
    "valid_vertices": 50822,
    "support_radius": 35.0,
    "spacing": 5.0,
    "input_points": 123280,
    "triangulated_points": 123280,
    "thin_spacing": 0.0,
    "fill_points": 67409,
    "gap_windows_published": 282,
    "slim": {
      "slim_iterations": 8,
      "mesh_vertices": 15757,
      "sd_energy_mean_before": 4.271395873737479,
      "sd_energy_p95_before": 4.703861419641523,
      "sd_energy_mean_after": 4.001134181529938,
      "sd_energy_p95_after": 4.004546749514711,
      "reraster_source": "decimated_slim_mesh",
      "reraster_valid_vertices": 51083,
      "fold_masked_vertices": 261
    },
    "fold_masked_vertices": 9,
    "trimmed_fraction": 0.02701055344641423,
    "min_valid_vertices_at_spacing": 3201,
    "resample": {
      "fine_edge_vx": 4.998900549372362,
      "factor": 4.000879753951318,
      "border_erode_px": 1,
      "coarse_valid_vertices": 2767
    },
    "area_cm2": 0.953831143450361
  },
  "timings_seconds": {
    "grow": 0.588,
    "refine_uv": 0.034,
    "trim_and_publish": 1.695,
    "fill": 0.441,
    "rasterize": 2.328,
    "smooth_and_slim": 1.855,
    "cleanup_and_resample": 0.012
  },
  "diagnostics": {
    "bootstrap_accepted": 15,
    "obs_extrapolation_limit": 98506,
    "lattice_underconnected": 9253,
    "graph_growth_narrow_reject": 363,
    "accepted": 330,
    "knitted_anchors": 2599,
    "rail_discarded": 12,
    "lattice_lost_support": 1,
    "obs_outside_radius": 94,
    "iterations": 76,
    "growth_cycles": 38,
    "growth_stop_exhausted": 1,
    "grow_seconds": 0.5,
    "graph_fixpoint_iterations": 2,
    "graph_span_published": 4351,
    "graph_span_rejected": 29,
    "graph_finalize_seconds": 0.1,
    "end_window_published": 281,
    "gap_window_published": 1
  }
}