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{
  "sample_id": 847,
  "geometry_type": "flat",
  "geometry_parameters": {
    "type": "flat"
  },
  "rq_target": 0.0028089961001533997,
  "rq_actual": 0.0028089961001533997,
  "ra_actual": 0.002299457528219583,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "catastrophic_leading_edge",
  "method": "hybrid",
  "grid_resolution": [
    244,
    121
  ],
  "physical_dimensions": [
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    0.03746857259644967
  ],
  "curvature_statistics": {
    "mean_slope": 0.0,
    "max_slope": 0.0,
    "height_range": 0.0,
    "mean_height": 0.0,
    "std_height": 0.0
  },
  "generation_timestamp": "2025-11-08T04:05:26.311607",
  "correlation_length_x": 0.020024959145766574,
  "correlation_length_y": 0.009356715872484624,
  "orientation": 0.0,
  "anisotropy_ratio": 2.140169629886288,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.7931219900220877,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.4270938891067833,
    "fractal_modes": 81
  }
}