{"collection":"grad-noise-175k","coord":"t15_x3_u21_b3","data":{"index":71628,"ordinal":"121934442","topo":"o2(x,o1(o1(x)))","expression":"div(D,flr(sqt(P)))","image":"frame_expr-071628.png","measured":true,"step":61031,"globalStep":61031,"value_mean":-0.5580337047576904,"value_positive_fraction":0.23046875,"value_abs_mean":0.5918599367141724,"value_variance":0.2539207935333252,"value_stddev":0.5039055347442627,"value_min":-1,"value_max":0.19221131503582,"value_range":1.1922112703323364,"histogram_probability_sum":1,"histogram_entropy_bits":2.0860981941223145,"gradient_energy_x":0.004596116952598095,"gradient_energy_y":0,"gradient_magnitude_mean":0.014957639388740063,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0.0000790873818914406,"laplacian_energy":0.008050067350268364,"laplacian_abs_mean":0.012310481630265713,"gradient_magnitude_variance":0.004373688250780106,"gradient_magnitude_stddev":0.06613386422395706,"gradient_magnitude_cv":4.42141056060791,"gradient_magnitude_max":1.030958890914917,"gradient_energy_over_variance":0.018100593239068985,"laplacian_energy_over_variance":0.03170306608080864,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.006732973735779524,"scale_diff2_mid":0.031026259064674377,"scale_diff2_far":0.0858580693602562,"scale_diff2_near_over_variance":0.026516038924455643,"scale_diff2_mid_over_variance":0.12218873202800751,"scale_diff2_far_over_variance":0.33812934160232544,"value_histogram":[[[0.5625,0.5625,0.5625],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.0234375,0.0234375,0.0234375],[0.0703125,0.0703125,0.0703125],[0.11328125,0.11328125,0.11328125],[0.10546875,0.10546875,0.10546875],[0.078125,0.078125,0.078125],[0.0390625,0.0390625,0.0390625],[0.0078125,0.0078125,0.0078125],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0]]],"scale_curve":[[[0.015625,0.006732973735779524,0.026516038924455643],[0.0625,0.031026259064674377,0.12218873202800751],[0.25,0.0858580693602562,0.33812934160232544]]]},"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":"[\"15\",\"3\",\"21\",\"3\"]"}