{ "sample_id": 18, "geometry_type": "simple_spline", "geometry_parameters": { "type": "simple_spline", "n_control_points": "5", "max_height": 0.1 }, "rq_target": 0.002387284165111497, "rq_actual": 0.0023872841651114973, "ra_actual": 0.0019056936225659191, "severity": "high_corrosion", "is_anisotropic": false, "psd_method": "exponential", "manufacturing_process": "random", "method": "hybrid", "grid_resolution": [ 338, 128 ], "physical_dimensions": [ 0.18407376583006968, 0.06111737282091225 ], "curvature_statistics": { "mean_slope": 0.0008176749295458946, "max_slope": 0.002770643825861077, "height_range": 0.14738903453710198, "mean_height": -0.014170806612422813, "std_height": 0.031890039406274155 }, "generation_timestamp": "2025-11-08T02:23:28.239340", "correlation_length": 0.08124884255845935, "hybrid_parameters": { "w_psd": 0.1, "w_perlin": 0.15, "w_fractal": 0.75, "perlin_octaves": 8, "perlin_persistence": 0.6504212725452163, "perlin_lacunarity": 2.5, "fractal_hurst": 0.32744091079814114, "fractal_modes": 72 } }