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{
  "sample_id": 204,
  "geometry_type": "simple_spline",
  "geometry_parameters": {
    "type": "simple_spline",
    "n_control_points": "3",
    "max_height": 0.1
  },
  "rq_target": 0.0035327023094163194,
  "rq_actual": 0.0035327023094163194,
  "ra_actual": 0.0029055402814388612,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "combined_mechanisms",
  "method": "hybrid",
  "grid_resolution": [
    361,
    109
  ],
  "physical_dimensions": [
    0.1596628908898023,
    0.04407531140746243
  ],
  "curvature_statistics": {
    "mean_slope": 0.00039304529047016633,
    "max_slope": 0.0009372148620636483,
    "height_range": 0.12852049753292505,
    "mean_height": -0.005523878137950823,
    "std_height": 0.03742312191013764
  },
  "generation_timestamp": "2025-11-08T02:48:18.774775",
  "correlation_length_x": 0.028946073060954643,
  "correlation_length_y": 0.013652310211619834,
  "orientation": 90.0,
  "anisotropy_ratio": 2.120232591573981,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 6,
    "perlin_persistence": 0.6879869458814569,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.40388290031945,
    "fractal_modes": 64
  }
}