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{
  "sample_id": 12,
  "geometry_type": "simple_spline",
  "geometry_parameters": {
    "type": "simple_spline",
    "n_control_points": "5",
    "max_height": 0.1
  },
  "rq_target": 0.002673992916423682,
  "rq_actual": 0.0026739929164236818,
  "ra_actual": 0.0021660464686092877,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "random",
  "method": "hybrid",
  "grid_resolution": [
    264,
    115
  ],
  "physical_dimensions": [
    0.15439721117961364,
    0.034982550932548526
  ],
  "curvature_statistics": {
    "mean_slope": 0.0021056249088379866,
    "max_slope": 0.008590205264825568,
    "height_range": 0.1874233616494285,
    "mean_height": 0.01854745981929801,
    "std_height": 0.04738766690220633
  },
  "generation_timestamp": "2025-11-08T02:23:27.388433",
  "correlation_length_x": 0.029756759803949224,
  "correlation_length_y": 0.0016916151498556709,
  "orientation": 144.90762794620673,
  "anisotropy_ratio": 17.590738535587175,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 6,
    "perlin_persistence": 0.763191470566693,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.4971192156913291,
    "fractal_modes": 65
  }
}