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{
  "sample_id": 199,
  "geometry_type": "simple_spline",
  "geometry_parameters": {
    "type": "simple_spline",
    "n_control_points": "3",
    "max_height": 0.1
  },
  "rq_target": 0.0027469277340340806,
  "rq_actual": 0.0027469277340340806,
  "ra_actual": 0.002245591794716434,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "combined_mechanisms",
  "method": "hybrid",
  "grid_resolution": [
    236,
    162
  ],
  "physical_dimensions": [
    0.17142041587410908,
    0.040529094544224306
  ],
  "curvature_statistics": {
    "mean_slope": 0.0004015872159257081,
    "max_slope": 0.0008868740018321761,
    "height_range": 0.059220801793133215,
    "mean_height": 0.08395025471211198,
    "std_height": 0.015591475779669496
  },
  "generation_timestamp": "2025-11-08T02:45:33.317725",
  "correlation_length_x": 0.04089471591330696,
  "correlation_length_y": 0.01013799818449741,
  "orientation": 0.0,
  "anisotropy_ratio": 4.033805803579784,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 6,
    "perlin_persistence": 0.6673111074595068,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.39867997122738513,
    "fractal_modes": 96
  }
}