{
  "sample_id": 54,
  "geometry_type": "simple_spline",
  "geometry_parameters": {
    "type": "simple_spline",
    "n_control_points": "5",
    "max_height": 0.1
  },
  "rq_target": 0.0034638186280752064,
  "rq_actual": 0.0034638186280752064,
  "ra_actual": 0.0027993036943286774,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "combined_mechanisms",
  "method": "hybrid",
  "grid_resolution": [
    266,
    100
  ],
  "physical_dimensions": [
    0.1586527642100231,
    0.04416037395376937
  ],
  "curvature_statistics": {
    "mean_slope": 0.0010650454587795412,
    "max_slope": 0.004049817318247287,
    "height_range": 0.08717684882181255,
    "mean_height": -0.035867982558024425,
    "std_height": 0.023367252244153505
  },
  "generation_timestamp": "2025-11-08T02:29:52.997979",
  "correlation_length_x": 0.038192355942335464,
  "correlation_length_y": 0.012238064426443396,
  "orientation": 0.0,
  "anisotropy_ratio": 3.1207840236411353,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 6,
    "perlin_persistence": 0.6565540290010271,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.46491937796348476,
    "fractal_modes": 99
  }
}