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{
  "sample_id": 815,
  "geometry_type": "cone",
  "geometry_parameters": {
    "type": "cone",
    "half_angle": 25.585419978249217,
    "radius": 0.20412312805988314
  },
  "rq_target": 0.0029340626147056465,
  "rq_actual": 0.002934062614705647,
  "ra_actual": 0.00239355105809686,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "structural_degradation",
  "method": "hybrid",
  "grid_resolution": [
    348,
    158
  ],
  "physical_dimensions": [
    0.15672387927211912,
    0.04726388314303068
  ],
  "curvature_statistics": {
    "mean_slope": 0.0027153898151440277,
    "max_slope": 0.002715389815144076,
    "height_range": 0.42631620097761236,
    "mean_height": 0.21315810048880623,
    "std_height": 0.12384827160559374
  },
  "generation_timestamp": "2025-11-08T04:02:35.474281",
  "correlation_length": 0.01646252478629281,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 7,
    "perlin_persistence": 0.7859806446261839,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.42416297237833483,
    "fractal_modes": 78
  }
}