{"collection":"grad-noise-175k","coord":"t13_x1_u21_b1","data":{"index":42828,"ordinal":"105612436","topo":"o1(o2(o1(x),x))","expression":"flr(sub(sqt(P),D))","image":"frame_expr-042828.png","measured":true,"step":1591,"globalStep":1591,"value_mean":-0.0914999470114708,"value_positive_fraction":0.46875,"value_abs_mean":0.9515377283096313,"value_variance":0.9268643260002136,"value_stddev":0.9627379179000854,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.7372117042541504,"gradient_energy_x":0.0062911310233175755,"gradient_energy_y":0,"gradient_magnitude_mean":0.01908063143491745,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":-2.838316470743507e-9,"laplacian_energy":0.00978074036538601,"laplacian_abs_mean":0.016831329092383385,"gradient_magnitude_variance":0.00592839065939188,"gradient_magnitude_stddev":0.07699604332447052,"gradient_magnitude_cv":4.035298824310303,"gradient_magnitude_max":0.9988358020782471,"gradient_energy_over_variance":0.006787542253732681,"laplacian_energy_over_variance":0.010552505031228065,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.010201980359852314,"scale_diff2_mid":0.05768435075879097,"scale_diff2_far":0.2514341473579407,"scale_diff2_near_over_variance":0.011006982997059822,"scale_diff2_mid_over_variance":0.06223602220416069,"scale_diff2_far_over_variance":0.2712739408016205,"value_histogram":[[[0.51171875,0.51171875,0.51171875],[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],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0.390625,0.390625,0.390625]]],"scale_curve":[[[0.015625,0.010201980359852314,0.011006982997059822],[0.0625,0.05768435075879097,0.06223602220416069],[0.25,0.2514341473579407,0.2712739408016205]]]},"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\",\"21\",\"1\"]"}