{"collection":"grad-noise-175k","coord":"t20_x13_u0_b143","data":{"index":162272,"ordinal":"162937376","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(P,mlt(add(D,D),D))","image":"frame_expr-162272.png","measured":true,"step":6583,"globalStep":6583,"value_mean":-0.029760237783193588,"value_positive_fraction":0.46875,"value_abs_mean":0.9374999403953552,"value_variance":0.9235889315605164,"value_stddev":0.9610353112220764,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.7351720333099365,"gradient_energy_x":0.0013061906211078167,"gradient_energy_y":0,"gradient_magnitude_mean":0.010310416109859943,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":-4.730527636276349e-10,"laplacian_energy":0.00017851553275249898,"laplacian_abs_mean":0.004197902977466583,"gradient_magnitude_variance":0.00120018539018929,"gradient_magnitude_stddev":0.034643691033124924,"gradient_magnitude_cv":3.360067129135132,"gradient_magnitude_max":0.18368205428123474,"gradient_energy_over_variance":0.0014142554719001055,"laplacian_energy_over_variance":0.00019328462076373398,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0033464739099144936,"scale_diff2_mid":0.03289518877863884,"scale_diff2_far":0.23549731075763702,"scale_diff2_near_over_variance":0.0036233370192348957,"scale_diff2_mid_over_variance":0.03561669960618019,"scale_diff2_far_over_variance":0.2549806535243988,"value_histogram":[[[0.46875,0.46875,0.46875],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0.0234375,0.0234375,0.0234375],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0.4296875,0.4296875,0.4296875]]],"scale_curve":[[[0.015625,0.0033464739099144936,0.0036233370192348957],[0.0625,0.03289518877863884,0.03561669960618019],[0.25,0.23549731075763702,0.2549806535243988]]]},"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":"[\"20\",\"13\",\"0\",\"143\"]"}