{"collection":"grad-noise-175k","coord":"t19_x0_u5_b40","data":{"index":137292,"ordinal":"154292464","topo":"o2(x,o2(o1(x),x))","expression":"div(P,eql(sgn(P),P))","image":"frame_expr-137292.png","measured":true,"step":126743,"globalStep":126743,"value_mean":-0.75,"value_positive_fraction":0.125,"value_abs_mean":0.9375,"value_variance":0.3614735007286072,"value_stddev":0.6012266278266907,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.283701777458191,"gradient_energy_x":0.01657857373356819,"gradient_energy_y":0,"gradient_magnitude_mean":0.015873359516263008,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.03177759423851967,"laplacian_abs_mean":0.017723077908158302,"gradient_magnitude_variance":0.016322731971740723,"gradient_magnitude_stddev":0.12776044011116028,"gradient_magnitude_cv":8.048733711242676,"gradient_magnitude_max":2,"gradient_energy_over_variance":0.04586387053132057,"laplacian_energy_over_variance":0.08791127055883408,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.022903554141521454,"scale_diff2_mid":0.10870073735713959,"scale_diff2_far":0.4870321750640869,"scale_diff2_near_over_variance":0.06336163729429245,"scale_diff2_mid_over_variance":0.3007156252861023,"scale_diff2_far_over_variance":1.347352385520935,"value_histogram":[[[0.82421875,0.82421875,0.82421875],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.07421875,0.07421875,0.07421875]]],"scale_curve":[[[0.015625,0.022903554141521454,0.06336163729429245],[0.0625,0.10870073735713959,0.3007156252861023],[0.25,0.4870321750640869,1.347352385520935]]]},"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":"[\"19\",\"0\",\"5\",\"40\"]"}