{"collection":"grad-noise-175k","coord":"t18_x48_u0_b154","data":{"index":130168,"ordinal":"148110220","topo":"o2(x,o2(x,o2(x,x)))","expression":"sub(D,div(R,add(D,P)))","image":"frame_expr-130168.png","measured":true,"step":69751,"globalStep":69751,"value_mean":-0.002029004506766796,"value_positive_fraction":0.5062255859375,"value_abs_mean":0.21700738370418549,"value_variance":0.10887130349874496,"value_stddev":0.3299565017223358,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":3.997932195663452,"gradient_energy_x":0.0196950975805521,"gradient_energy_y":0.002528440672904253,"gradient_magnitude_mean":0.05852899327874184,"gradient_axis_bias":0.772453784942627,"gradient_nonzero_flag":1,"laplacian_mean":0.000010413522431917954,"laplacian_energy":0.03784942626953125,"laplacian_abs_mean":0.035498201847076416,"gradient_magnitude_variance":0.018797190859913826,"gradient_magnitude_stddev":0.13710284233093262,"gradient_magnitude_cv":2.342477321624756,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.20412668585777283,"laplacian_energy_over_variance":0.3476529121398926,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.03499313071370125,"scale_diff2_mid":0.1837860345840454,"scale_diff2_far":0.26326343417167664,"scale_diff2_near_over_variance":0.3214173913002014,"scale_diff2_mid_over_variance":1.6881035566329956,"scale_diff2_far_over_variance":2.4181158542633057,"value_histogram":[[[0.0307159423828125,0.0307159423828125,0.0307159423828125],[0.0019989013671875,0.0019989013671875,0.0019989013671875],[0.0025482177734375,0.0025482177734375,0.0025482177734375],[0.002197265625,0.002197265625,0.002197265625],[0.0026092529296875,0.0026092529296875,0.0026092529296875],[0.004180908203125,0.004180908203125,0.004180908203125],[0.005218505859375,0.005218505859375,0.005218505859375],[0.006591796875,0.006591796875,0.006591796875],[0.008514404296875,0.008514404296875,0.008514404296875],[0.0124359130859375,0.0124359130859375,0.0124359130859375],[0.017578125,0.017578125,0.017578125],[0.0337371826171875,0.0337371826171875,0.0337371826171875],[0.055206298828125,0.055206298828125,0.055206298828125],[0.0762786865234375,0.0762786865234375,0.0762786865234375],[0.107421875,0.107421875,0.107421875],[0.1262664794921875,0.1262664794921875,0.1262664794921875],[0.124847412109375,0.124847412109375,0.124847412109375],[0.106719970703125,0.106719970703125,0.106719970703125],[0.0906829833984375,0.0906829833984375,0.0906829833984375],[0.0653076171875,0.0653076171875,0.0653076171875],[0.0367584228515625,0.0367584228515625,0.0367584228515625],[0.0152435302734375,0.0152435302734375,0.0152435302734375],[0.009979248046875,0.009979248046875,0.009979248046875],[0.0063629150390625,0.0063629150390625,0.0063629150390625],[0.005615234375,0.005615234375,0.005615234375],[0.0045166015625,0.0045166015625,0.0045166015625],[0.0030517578125,0.0030517578125,0.0030517578125],[0.00262451171875,0.00262451171875,0.00262451171875],[0.0026092529296875,0.0026092529296875,0.0026092529296875],[0.0024566650390625,0.0024566650390625,0.0024566650390625],[0.001922607421875,0.001922607421875,0.001922607421875],[0.027801513671875,0.027801513671875,0.027801513671875]]],"scale_curve":[[[0.015625,0.03499313071370125,0.3214173913002014],[0.0625,0.1837860345840454,1.6881035566329956],[0.25,0.26326343417167664,2.4181158542633057]]]},"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\",\"48\",\"0\",\"154\"]"}