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{
  "sample_id": 589,
  "geometry_type": "sphere",
  "geometry_parameters": {
    "type": "sphere",
    "radius": 0.9960635268601024,
    "segment_angle": 104.0600772005477
  },
  "rq_target": 0.001516999835910232,
  "rq_actual": 0.001516999835910232,
  "ra_actual": 0.0012379752829695253,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "random",
  "method": "hybrid",
  "grid_resolution": [
    242,
    157
  ],
  "physical_dimensions": [
    0.16059311917789487,
    0.0790452952008143
  ],
  "curvature_statistics": {
    "mean_slope": 0.005131011016562689,
    "max_slope": 0.007506284788901585,
    "height_range": 1.238046364489499,
    "mean_height": 0.4647012145907193,
    "std_height": 0.3869696209966758
  },
  "generation_timestamp": "2025-11-08T03:34:51.483587",
  "correlation_length_x": 0.0429550386501324,
  "correlation_length_y": 0.01487222617548966,
  "orientation": 101.9216089652196,
  "anisotropy_ratio": 2.8882722830644503,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.6736038562885072,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.4955894794489814,
    "fractal_modes": 84
  }
}