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{
  "sample_id": 172,
  "geometry_type": "simple_spline",
  "geometry_parameters": {
    "type": "simple_spline",
    "n_control_points": "5",
    "max_height": 0.1
  },
  "rq_target": 0.0023823147521336648,
  "rq_actual": 0.0023823147521336648,
  "ra_actual": 0.0019167410543270388,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "catastrophic_leading_edge",
  "method": "hybrid",
  "grid_resolution": [
    287,
    176
  ],
  "physical_dimensions": [
    0.18075015444836248,
    0.0549004474940477
  ],
  "curvature_statistics": {
    "mean_slope": 0.0009602985976956982,
    "max_slope": 0.0029820149759240827,
    "height_range": 0.15132836491546525,
    "mean_height": -0.01828637914130514,
    "std_height": 0.0418641942158457
  },
  "generation_timestamp": "2025-11-08T02:42:12.399508",
  "correlation_length_x": 0.03455902090470982,
  "correlation_length_y": 0.006027570949352914,
  "orientation": 15.0,
  "anisotropy_ratio": 5.73349052132184,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 6,
    "perlin_persistence": 0.7089626843973157,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.39786057817885984,
    "fractal_modes": 98
  }
}