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{
  "sample_id": 677,
  "geometry_type": "cone",
  "geometry_parameters": {
    "type": "cone",
    "half_angle": 17.60836422139311,
    "radius": 0.3106094280054095
  },
  "rq_target": 0.004114355394857702,
  "rq_actual": 0.004114355394857702,
  "ra_actual": 0.0032866828992950572,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "end_of_life_corrosion",
  "method": "hybrid",
  "grid_resolution": [
    289,
    197
  ],
  "physical_dimensions": [
    0.16546353506765799,
    0.05720444050568507
  ],
  "curvature_statistics": {
    "mean_slope": 0.004993210487098394,
    "max_slope": 0.004993210487098498,
    "height_range": 0.9786692554712852,
    "mean_height": 0.48933462773564257,
    "std_height": 0.2839552363173287
  },
  "generation_timestamp": "2025-11-08T03:46:47.251981",
  "correlation_length": 0.02299622578982534,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 6,
    "perlin_persistence": 0.6627168989198519,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.3216981339290898,
    "fractal_modes": 77
  }
}