{"collection":"grad-noise-175k","coord":"t19_x14_u2_b36","data":{"index":148783,"ordinal":"154857471","topo":"o2(x,o2(o1(x),x))","expression":"div(D,div(frc(D),R))","image":"frame_expr-148783.png","measured":true,"step":70271,"globalStep":70271,"value_mean":0.005873604211956263,"value_positive_fraction":0.50921630859375,"value_abs_mean":0.26356035470962524,"value_variance":0.1294851154088974,"value_stddev":0.35984039306640625,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":4.461684703826904,"gradient_energy_x":0.020041361451148987,"gradient_energy_y":0.001866046106442809,"gradient_magnitude_mean":0.08366718143224716,"gradient_axis_bias":0.8296424150466919,"gradient_nonzero_flag":1,"laplacian_mean":0.000057713659771252424,"laplacian_energy":0.0335632748901844,"laplacian_abs_mean":0.06665012985467911,"gradient_magnitude_variance":0.01490747183561325,"gradient_magnitude_stddev":0.12209615856409073,"gradient_magnitude_cv":1.4593076705932617,"gradient_magnitude_max":1.0324139595031738,"gradient_energy_over_variance":0.16918861865997314,"laplacian_energy_over_variance":0.2592056691646576,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.02733207494020462,"scale_diff2_mid":0.18763582408428192,"scale_diff2_far":0.24581706523895264,"scale_diff2_near_over_variance":0.21108275651931763,"scale_diff2_mid_over_variance":1.449091911315918,"scale_diff2_far_over_variance":1.8984194993972778,"value_histogram":[[[0.0027008056640625,0.0027008056640625,0.0027008056640625],[0.0055694580078125,0.0055694580078125,0.0055694580078125],[0.0087738037109375,0.0087738037109375,0.0087738037109375],[0.00994873046875,0.00994873046875,0.00994873046875],[0.0112762451171875,0.0112762451171875,0.0112762451171875],[0.0157623291015625,0.0157623291015625,0.0157623291015625],[0.0169525146484375,0.0169525146484375,0.0169525146484375],[0.01800537109375,0.01800537109375,0.01800537109375],[0.0221405029296875,0.0221405029296875,0.0221405029296875],[0.024383544921875,0.024383544921875,0.024383544921875],[0.0298919677734375,0.0298919677734375,0.0298919677734375],[0.0337066650390625,0.0337066650390625,0.0337066650390625],[0.045562744140625,0.045562744140625,0.045562744140625],[0.0544281005859375,0.0544281005859375,0.0544281005859375],[0.07147216796875,0.07147216796875,0.07147216796875],[0.1197967529296875,0.1197967529296875,0.1197967529296875],[0.1253509521484375,0.1253509521484375,0.1253509521484375],[0.077545166015625,0.077545166015625,0.077545166015625],[0.06109619140625,0.06109619140625,0.06109619140625],[0.0435638427734375,0.0435638427734375,0.0435638427734375],[0.0320892333984375,0.0320892333984375,0.0320892333984375],[0.027587890625,0.027587890625,0.027587890625],[0.024169921875,0.024169921875,0.024169921875],[0.0230865478515625,0.0230865478515625,0.0230865478515625],[0.020782470703125,0.020782470703125,0.020782470703125],[0.0173187255859375,0.0173187255859375,0.0173187255859375],[0.0128021240234375,0.0128021240234375,0.0128021240234375],[0.0106353759765625,0.0106353759765625,0.0106353759765625],[0.011322021484375,0.011322021484375,0.011322021484375],[0.0091094970703125,0.0091094970703125,0.0091094970703125],[0.0066375732421875,0.0066375732421875,0.0066375732421875],[0.00653076171875,0.00653076171875,0.00653076171875]]],"scale_curve":[[[0.015625,0.02733207494020462,0.21108275651931763],[0.0625,0.18763582408428192,1.449091911315918],[0.25,0.24581706523895264,1.8984194993972778]]]},"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\",\"14\",\"2\",\"36\"]"}