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{
  "sample_id": 261,
  "geometry_type": "cone",
  "geometry_parameters": {
    "type": "cone",
    "half_angle": 33.708052100158994,
    "radius": 0.0964079616227339
  },
  "rq_target": 0.0027989120247294487,
  "rq_actual": 0.002798912024729449,
  "ra_actual": 0.0022969436786062624,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "structural_degradation",
  "method": "hybrid",
  "grid_resolution": [
    389,
    148
  ],
  "physical_dimensions": [
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    0.03607107980982651
  ],
  "curvature_statistics": {
    "mean_slope": 0.0009830859785442557,
    "max_slope": 0.000983085978544268,
    "height_range": 0.1445136388460056,
    "mean_height": 0.07225681942300281,
    "std_height": 0.04200032785251957
  },
  "generation_timestamp": "2025-11-08T02:54:23.415689",
  "correlation_length": 0.04179280103011534,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.8107011161701863,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.46592254422447354,
    "fractal_modes": 62
  }
}