{"collection":"grad-noise-175k","coord":"t18_x47_u0_b163","data":{"index":129976,"ordinal":"148069828","topo":"o2(x,o2(x,o2(x,x)))","expression":"sub(D,div(R,dot(P,R)))","image":"frame_expr-129976.png","measured":true,"step":68215,"globalStep":68215,"value_mean":0.0014801244251430035,"value_positive_fraction":0.494720458984375,"value_abs_mean":0.3231602609157562,"value_variance":0.19723601639270782,"value_stddev":0.444112628698349,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":4.44329309463501,"gradient_energy_x":0.006440667901188135,"gradient_energy_y":0.00449611060321331,"gradient_magnitude_mean":0.057439111173152924,"gradient_axis_bias":0.17779983580112457,"gradient_nonzero_flag":1,"laplacian_mean":-0.000001755194716679398,"laplacian_energy":0.010283902287483215,"laplacian_abs_mean":0.026626864448189735,"gradient_magnitude_variance":0.007637475151568651,"gradient_magnitude_stddev":0.0873926505446434,"gradient_magnitude_cv":1.5214834213256836,"gradient_magnitude_max":2,"gradient_energy_over_variance":0.055450208485126495,"laplacian_energy_over_variance":0.05214008316397667,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.023256951943039894,"scale_diff2_mid":0.1685972809791565,"scale_diff2_far":0.4232960045337677,"scale_diff2_near_over_variance":0.11791432648897171,"scale_diff2_mid_over_variance":0.8547996878623962,"scale_diff2_far_over_variance":2.14613938331604,"value_histogram":[[[0.06158447265625,0.06158447265625,0.06158447265625],[0.0030975341796875,0.0030975341796875,0.0030975341796875],[0.003143310546875,0.003143310546875,0.003143310546875],[0.0042877197265625,0.0042877197265625,0.0042877197265625],[0.0054168701171875,0.0054168701171875,0.0054168701171875],[0.0069732666015625,0.0069732666015625,0.0069732666015625],[0.0087890625,0.0087890625,0.0087890625],[0.00909423828125,0.00909423828125,0.00909423828125],[0.0120391845703125,0.0120391845703125,0.0120391845703125],[0.0181884765625,0.0181884765625,0.0181884765625],[0.0327301025390625,0.0327301025390625,0.0327301025390625],[0.0500946044921875,0.0500946044921875,0.0500946044921875],[0.0634918212890625,0.0634918212890625,0.0634918212890625],[0.068511962890625,0.068511962890625,0.068511962890625],[0.073028564453125,0.073028564453125,0.073028564453125],[0.084716796875,0.084716796875,0.084716796875],[0.0780487060546875,0.0780487060546875,0.0780487060546875],[0.069549560546875,0.069549560546875,0.069549560546875],[0.0614013671875,0.0614013671875,0.0614013671875],[0.057708740234375,0.057708740234375,0.057708740234375],[0.0502166748046875,0.0502166748046875,0.0502166748046875],[0.03240966796875,0.03240966796875,0.03240966796875],[0.0214080810546875,0.0214080810546875,0.0214080810546875],[0.0154571533203125,0.0154571533203125,0.0154571533203125],[0.0112152099609375,0.0112152099609375,0.0112152099609375],[0.0102081298828125,0.0102081298828125,0.0102081298828125],[0.00958251953125,0.00958251953125,0.00958251953125],[0.0089111328125,0.0089111328125,0.0089111328125],[0.00738525390625,0.00738525390625,0.00738525390625],[0.005859375,0.005859375,0.005859375],[0.0045166015625,0.0045166015625,0.0045166015625],[0.050933837890625,0.050933837890625,0.050933837890625]]],"scale_curve":[[[0.015625,0.023256951943039894,0.11791432648897171],[0.0625,0.1685972809791565,0.8547996878623962],[0.25,0.4232960045337677,2.14613938331604]]]},"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":"[\"18\",\"47\",\"0\",\"163\"]"}