metadata/ellipsoid/sample_000069.json

{
  "sample_id": 69,
  "geometry_type": "ellipsoid",
  "geometry_parameters": {
    "type": "ellipsoid",
    "semi_axis_ratios": [
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      1.0,
      1.5
    ]
  },
  "rq_target": 0.0009512222363319044,
  "rq_actual": 0.0009512222363319044,
  "ra_actual": 0.0007792111176775122,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "extreme_pitting_coalescence",
  "method": "hybrid",
  "grid_resolution": [
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    159
  ],
  "physical_dimensions": [
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    0.03556805774397427
  ],
  "curvature_statistics": {
    "mean_slope": 0.005530734547145618,
    "max_slope": 0.008694395928719813,
    "height_range": 1.5,
    "mean_height": 0.9541735769484007,
    "std_height": 0.46319842945922685
  },
  "generation_timestamp": "2025-11-08T02:29:54.598594",
  "correlation_length": 0.036672637380881445,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 6,
    "perlin_persistence": 0.7534749096358571,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.4990806293767551,
    "fractal_modes": 91
  }
}