{"collection":"grad-noise-175k","coord":"t18_x37_u0_b155","data":{"index":127958,"ordinal":"147665810","topo":"o2(x,o2(x,o2(x,x)))","expression":"sub(D,div(D,sub(P,D)))","image":"frame_expr-127958.png","measured":true,"step":52071,"globalStep":52071,"value_mean":0.03252715989947319,"value_positive_fraction":0.48046875,"value_abs_mean":0.17532408237457275,"value_variance":0.076044462621212,"value_stddev":0.27576160430908203,"value_min":-0.468147337436676,"value_max":1,"value_range":1.4681472778320312,"histogram_probability_sum":1,"histogram_entropy_bits":3.5093767642974854,"gradient_energy_x":0.0026943793054670095,"gradient_energy_y":0,"gradient_magnitude_mean":0.04289320111274719,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":-0.000032270207157125697,"laplacian_energy":0.0003588251129258424,"laplacian_abs_mean":0.01570672169327736,"gradient_magnitude_variance":0.0008546154131181538,"gradient_magnitude_stddev":0.02923380583524704,"gradient_magnitude_cv":0.6815487146377563,"gradient_magnitude_max":0.14820483326911926,"gradient_energy_over_variance":0.0354316271841526,"laplacian_energy_over_variance":0.00471862219274044,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.005861319601535797,"scale_diff2_mid":0.05503242462873459,"scale_diff2_far":0.1171768307685852,"scale_diff2_near_over_variance":0.07707753032445908,"scale_diff2_mid_over_variance":0.7236874103546143,"scale_diff2_far_over_variance":1.5408987998962402,"value_histogram":[[[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.015625,0.015625,0.015625],[0.01953125,0.01953125,0.01953125],[0.01171875,0.01171875,0.01171875],[0.015625,0.015625,0.015625],[0.04296875,0.04296875,0.04296875],[0.12890625,0.12890625,0.12890625],[0.15625,0.15625,0.15625],[0.12890625,0.12890625,0.12890625],[0.1484375,0.1484375,0.1484375],[0.14453125,0.14453125,0.14453125],[0.08984375,0.08984375,0.08984375],[0,0,0],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.02734375,0.02734375,0.02734375]]],"scale_curve":[[[0.015625,0.005861319601535797,0.07707753032445908],[0.0625,0.05503242462873459,0.7236874103546143],[0.25,0.1171768307685852,1.5408987998962402]]]},"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\",\"37\",\"0\",\"155\"]"}