{
  "sample_id": 871,
  "geometry_type": "sphere",
  "geometry_parameters": {
    "type": "sphere",
    "radius": 0.5326228521200824,
    "segment_angle": 62.96624879893872
  },
  "rq_target": 0.002638580621396865,
  "rq_actual": 0.002638580621396865,
  "ra_actual": 0.002121034348827541,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "catastrophic_leading_edge",
  "method": "hybrid",
  "grid_resolution": [
    298,
    135
  ],
  "physical_dimensions": [
    0.17438934257113653,
    0.07124893353192567
  ],
  "curvature_statistics": {
    "mean_slope": 0.0009779072583768252,
    "max_slope": 0.0017538311931179495,
    "height_range": 0.2905376242733025,
    "mean_height": 0.1010691869093164,
    "std_height": 0.08821669345848293
  },
  "generation_timestamp": "2025-11-08T04:08:22.807714",
  "correlation_length_x": 0.046123465437398564,
  "correlation_length_y": 0.01347900802449195,
  "orientation": 15.0,
  "anisotropy_ratio": 3.421873876296401,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 7,
    "perlin_persistence": 0.7046764521521905,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.4241599491686372,
    "fractal_modes": 91
  }
}