{
  "sample_id": 212,
  "geometry_type": "simple_spline",
  "geometry_parameters": {
    "type": "simple_spline",
    "n_control_points": "3",
    "max_height": 0.1
  },
  "rq_target": 0.0021189522367842557,
  "rq_actual": 0.0021189522367842557,
  "ra_actual": 0.0017553608171482808,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "random",
  "method": "hybrid",
  "grid_resolution": [
    251,
    121
  ],
  "physical_dimensions": [
    0.1728439503138226,
    0.04570337052178651
  ],
  "curvature_statistics": {
    "mean_slope": 0.0005714101549780028,
    "max_slope": 0.001368897482720205,
    "height_range": 0.11745061044657995,
    "mean_height": 0.015391216830896245,
    "std_height": 0.032760060657878474
  },
  "generation_timestamp": "2025-11-08T02:48:19.638708",
  "correlation_length": 0.03891163863287661,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 6,
    "perlin_persistence": 0.6808502731475096,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.3026773747407036,
    "fractal_modes": 74
  }
}