{"collection":"grad-noise-175k","coord":"t19_x20_u6_b43","data":{"index":154356,"ordinal":"155100688","topo":"o2(x,o2(o1(x),x))","expression":"div(R,dst(nrm(P),R))","image":"frame_expr-154356.png","measured":true,"step":114855,"globalStep":114855,"value_mean":-0.005599591415375471,"value_positive_fraction":0.487060546875,"value_abs_mean":0.3511507511138916,"value_variance":0.1994466632604599,"value_stddev":0.4465945065021515,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":4.652258396148682,"gradient_energy_x":0.00413349736481905,"gradient_energy_y":0.004371813032776117,"gradient_magnitude_mean":0.05454716458916664,"gradient_axis_bias":-0.028019631281495094,"gradient_nonzero_flag":1,"laplacian_mean":-0.000010221868251392152,"laplacian_energy":0.007959618233144283,"laplacian_abs_mean":0.018688643351197243,"gradient_magnitude_variance":0.005529479123651981,"gradient_magnitude_stddev":0.07436046749353409,"gradient_magnitude_cv":1.3632324934005737,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.04264453798532486,"laplacian_energy_over_variance":0.039908505976200104,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.015167265199124813,"scale_diff2_mid":0.13302835822105408,"scale_diff2_far":0.3788634240627289,"scale_diff2_near_over_variance":0.07604672014713287,"scale_diff2_mid_over_variance":0.6669871211051941,"scale_diff2_far_over_variance":1.8995726108551025,"value_histogram":[[[0.047760009765625,0.047760009765625,0.047760009765625],[0.004241943359375,0.004241943359375,0.004241943359375],[0.0047607421875,0.0047607421875,0.0047607421875],[0.0063018798828125,0.0063018798828125,0.0063018798828125],[0.0088653564453125,0.0088653564453125,0.0088653564453125],[0.0081787109375,0.0081787109375,0.0081787109375],[0.011322021484375,0.011322021484375,0.011322021484375],[0.01275634765625,0.01275634765625,0.01275634765625],[0.0285186767578125,0.0285186767578125,0.0285186767578125],[0.0402984619140625,0.0402984619140625,0.0402984619140625],[0.050537109375,0.050537109375,0.050537109375],[0.055389404296875,0.055389404296875,0.055389404296875],[0.0600128173828125,0.0600128173828125,0.0600128173828125],[0.0642242431640625,0.0642242431640625,0.0642242431640625],[0.0589141845703125,0.0589141845703125,0.0589141845703125],[0.0508270263671875,0.0508270263671875,0.0508270263671875],[0.0513458251953125,0.0513458251953125,0.0513458251953125],[0.0543212890625,0.0543212890625,0.0543212890625],[0.0506439208984375,0.0506439208984375,0.0506439208984375],[0.051239013671875,0.051239013671875,0.051239013671875],[0.054290771484375,0.054290771484375,0.054290771484375],[0.048583984375,0.048583984375,0.048583984375],[0.0352630615234375,0.0352630615234375,0.0352630615234375],[0.0262451171875,0.0262451171875,0.0262451171875],[0.0187530517578125,0.0187530517578125,0.0187530517578125],[0.015411376953125,0.015411376953125,0.015411376953125],[0.011138916015625,0.011138916015625,0.011138916015625],[0.010986328125,0.010986328125,0.010986328125],[0.012176513671875,0.012176513671875,0.012176513671875],[0.0082550048828125,0.0082550048828125,0.0082550048828125],[0.005767822265625,0.005767822265625,0.005767822265625],[0.0326690673828125,0.0326690673828125,0.0326690673828125]]],"scale_curve":[[[0.015625,0.015167265199124813,0.07604672014713287],[0.0625,0.13302835822105408,0.6669871211051941],[0.25,0.3788634240627289,1.8995726108551025]]]},"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\",\"20\",\"6\",\"43\"]"}