{"collection":"grad-noise-175k","coord":"t19_x2_u1_b34","data":{"index":138496,"ordinal":"154372456","topo":"o2(x,o2(o1(x),x))","expression":"div(P,sub(log(P),R))","image":"frame_expr-138496.png","measured":true,"step":136375,"globalStep":136375,"value_mean":-0.12077521532773972,"value_positive_fraction":0.43670654296875,"value_abs_mean":0.9681925773620605,"value_variance":0.9472753405570984,"value_stddev":0.9732807278633118,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.4440057277679443,"gradient_energy_x":0.007279573008418083,"gradient_energy_y":0.004650969058275223,"gradient_magnitude_mean":0.01884099468588829,"gradient_axis_bias":0.22032560408115387,"gradient_nonzero_flag":1,"laplacian_mean":0.000004511887254921021,"laplacian_energy":0.015679020434617996,"laplacian_abs_mean":0.018797293305397034,"gradient_magnitude_variance":0.011582461185753345,"gradient_magnitude_stddev":0.10762184113264084,"gradient_magnitude_cv":5.7121100425720215,"gradient_magnitude_max":2.0534090995788574,"gradient_energy_over_variance":0.012594587169587612,"laplacian_energy_over_variance":0.016551703214645386,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.02206757850944996,"scale_diff2_mid":0.1357727199792862,"scale_diff2_far":0.4381349980831146,"scale_diff2_near_over_variance":0.023295843973755836,"scale_diff2_mid_over_variance":0.14332973957061768,"scale_diff2_far_over_variance":0.4625212848186493,"value_histogram":[[[0.534912109375,0.534912109375,0.534912109375],[0.0011444091796875,0.0011444091796875,0.0011444091796875],[0.00140380859375,0.00140380859375,0.00140380859375],[0.0012664794921875,0.0012664794921875,0.0012664794921875],[0.0013427734375,0.0013427734375,0.0013427734375],[0.001373291015625,0.001373291015625,0.001373291015625],[0.0013275146484375,0.0013275146484375,0.0013275146484375],[0.001190185546875,0.001190185546875,0.001190185546875],[0.00140380859375,0.00140380859375,0.00140380859375],[0.0009918212890625,0.0009918212890625,0.0009918212890625],[0.0014801025390625,0.0014801025390625,0.0014801025390625],[0.0016632080078125,0.0016632080078125,0.0016632080078125],[0.0017852783203125,0.0017852783203125,0.0017852783203125],[0.002166748046875,0.002166748046875,0.002166748046875],[0.00250244140625,0.00250244140625,0.00250244140625],[0.00726318359375,0.00726318359375,0.00726318359375],[0.004791259765625,0.004791259765625,0.004791259765625],[0.0017242431640625,0.0017242431640625,0.0017242431640625],[0.0013427734375,0.0013427734375,0.0013427734375],[0.00140380859375,0.00140380859375,0.00140380859375],[0.00103759765625,0.00103759765625,0.00103759765625],[0.0012054443359375,0.0012054443359375,0.0012054443359375],[0.0010223388671875,0.0010223388671875,0.0010223388671875],[0.00079345703125,0.00079345703125,0.00079345703125],[0.001129150390625,0.001129150390625,0.001129150390625],[0.001068115234375,0.001068115234375,0.001068115234375],[0.001007080078125,0.001007080078125,0.001007080078125],[0.0009307861328125,0.0009307861328125,0.0009307861328125],[0.0008392333984375,0.0008392333984375,0.0008392333984375],[0.0009002685546875,0.0009002685546875,0.0009002685546875],[0.0009002685546875,0.0009002685546875,0.0009002685546875],[0.41668701171875,0.41668701171875,0.41668701171875]]],"scale_curve":[[[0.015625,0.02206757850944996,0.023295843973755836],[0.0625,0.1357727199792862,0.14332973957061768],[0.25,0.4381349980831146,0.4625212848186493]]]},"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\",\"2\",\"1\",\"34\"]"}