{"collection":"grad-noise-175k","coord":"t13_x1_u26_b3","data":{"index":42885,"ordinal":"105613443","topo":"o1(o2(o1(x),x))","expression":"flr(div(sgn(P),D))","image":"frame_expr-042885.png","measured":true,"step":2047,"globalStep":2047,"value_mean":-0.14098098874092102,"value_positive_fraction":0.4375,"value_abs_mean":0.8979604840278625,"value_variance":0.8489564061164856,"value_stddev":0.9213882684707642,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.886443853378296,"gradient_energy_x":0.32492032647132874,"gradient_energy_y":0,"gradient_magnitude_mean":0.23015502095222473,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":1.8922110545105397e-9,"laplacian_energy":0.5696402192115784,"laplacian_abs_mean":0.3629099428653717,"gradient_magnitude_variance":0.27185261249542236,"gradient_magnitude_stddev":0.5213948488235474,"gradient_magnitude_cv":2.2654073238372803,"gradient_magnitude_max":2,"gradient_energy_over_variance":0.38272911310195923,"laplacian_energy_over_variance":0.6709887385368347,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.35729706287384033,"scale_diff2_mid":1.5907026529312134,"scale_diff2_far":0.23244181275367737,"scale_diff2_near_over_variance":0.4208661913871765,"scale_diff2_mid_over_variance":1.8737152814865112,"scale_diff2_far_over_variance":0.27379709482192993,"value_histogram":[[[0.5,0.5,0.5],[0.0078125,0.0078125,0.0078125],[0,0,0],[0,0,0],[0,0,0],[0.0078125,0.0078125,0.0078125],[0,0,0],[0,0,0],[0.0078125,0.0078125,0.0078125],[0,0,0],[0,0,0],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.0234375,0.0234375,0.0234375],[0,0,0],[0,0,0],[0,0,0],[0.0546875,0.0546875,0.0546875],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.0546875,0.0546875,0.0546875],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.328125,0.328125,0.328125]]],"scale_curve":[[[0.015625,0.35729706287384033,0.4208661913871765],[0.0625,1.5907026529312134,1.8737152814865112],[0.25,0.23244181275367737,0.27379709482192993]]]},"renderer":1,"first_seen":"2026-09-23T00:00:00.000Z","last_seen":"2026-09-23T00:00:00.000Z","sightings":[{"at":"2026-09-23T00:00:00.000Z","data":null}],"axes":"[\"13\",\"1\",\"26\",\"3\"]"}