{ "sample_id": 788, "geometry_type": "flat", "geometry_parameters": { "type": "flat" }, "rq_target": 0.0032639653076923653, "rq_actual": 0.0032639653076923653, "ra_actual": 0.002678481652816753, "severity": "high_corrosion", "is_anisotropic": true, "psd_method": "exponential", "manufacturing_process": "random", "method": "hybrid", "grid_resolution": [ 358, 152 ], "physical_dimensions": [ 0.1841402503679828, 0.05907572998947216 ], "curvature_statistics": { "mean_slope": 0.0, "max_slope": 0.0, "height_range": 0.0, "mean_height": 0.0, "std_height": 0.0 }, "generation_timestamp": "2025-11-08T03:59:23.390392", "correlation_length_x": 0.0253840908767934, "correlation_length_y": 0.0021249217176100258, "orientation": 72.37661670892058, "anisotropy_ratio": 11.945894602340354, "hybrid_parameters": { "w_psd": 0.1, "w_perlin": 0.15, "w_fractal": 0.75, "perlin_octaves": 6, "perlin_persistence": 0.8146096055450917, "perlin_lacunarity": 2.5, "fractal_hurst": 0.415818100980572, "fractal_modes": 96 } }