{ "sample_id": 491, "geometry_type": "sphere", "geometry_parameters": { "type": "sphere", "radius": 0.9027273023215114, "segment_angle": 39.460510566593896 }, "rq_target": 0.0048240595826032845, "rq_actual": 0.0048240595826032845, "ra_actual": 0.004047520539402025, "severity": "high_corrosion", "is_anisotropic": false, "psd_method": "exponential", "manufacturing_process": "random", "method": "hybrid", "grid_resolution": [ 386, 148 ], "physical_dimensions": [ 0.17092311636082272, 0.04656716754677956 ], "curvature_statistics": { "mean_slope": 0.0005344001550575252, "max_slope": 0.0010252049622150872, "height_range": 0.20576513517498377, "mean_height": 0.06977770272949221, "std_height": 0.061865342859703985 }, "generation_timestamp": "2025-11-08T03:22:26.281398", "correlation_length": 0.00789052784469847, "hybrid_parameters": { "w_psd": 0.1, "w_perlin": 0.15, "w_fractal": 0.75, "perlin_octaves": 8, "perlin_persistence": 0.7177810664272152, "perlin_lacunarity": 2.5, "fractal_hurst": 0.35163851838131344, "fractal_modes": 96 } }