{ "sample_id": 765, "geometry_type": "flat", "geometry_parameters": { "type": "flat" }, "rq_target": 0.0012451655560065738, "rq_actual": 0.0012451655560065738, "ra_actual": 0.0010147415051881127, "severity": "high_corrosion", "is_anisotropic": false, "psd_method": "exponential", "manufacturing_process": "random", "method": "hybrid", "grid_resolution": [ 384, 126 ], "physical_dimensions": [ 0.16449611042221127, 0.0470713261230633 ], "curvature_statistics": { "mean_slope": 0.0, "max_slope": 0.0, "height_range": 0.0, "mean_height": 0.0, "std_height": 0.0 }, "generation_timestamp": "2025-11-08T03:56:01.678838", "correlation_length": 0.033923743328197746, "hybrid_parameters": { "w_psd": 0.1, "w_perlin": 0.15, "w_fractal": 0.75, "perlin_octaves": 8, "perlin_persistence": 0.8452560234557773, "perlin_lacunarity": 2.5, "fractal_hurst": 0.44085649333465576, "fractal_modes": 82 } }