{
  "sample_id": 423,
  "geometry_type": "sphere",
  "geometry_parameters": {
    "type": "sphere",
    "radius": 0.6027860529076582,
    "segment_angle": 40.32585961379993
  },
  "rq_target": 0.0017379589870756777,
  "rq_actual": 0.0017379589870756777,
  "ra_actual": 0.001429310895789573,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "random",
  "method": "hybrid",
  "grid_resolution": [
    300,
    101
  ],
  "physical_dimensions": [
    0.1625340001453457,
    0.05031278621650108
  ],
  "curvature_statistics": {
    "mean_slope": 0.00047898513605558013,
    "max_slope": 0.0009169469107538908,
    "height_range": 0.14323623236869135,
    "mean_height": 0.04862512196963657,
    "std_height": 0.043109445431964585
  },
  "generation_timestamp": "2025-11-08T03:13:18.649460",
  "correlation_length_x": 0.023556457938727442,
  "correlation_length_y": 0.0017395232864986416,
  "orientation": 31.89879017289967,
  "anisotropy_ratio": 13.541904337562794,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 6,
    "perlin_persistence": 0.824234612408189,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.4568111133996543,
    "fractal_modes": 92
  }
}