{"collection":"grad-noise-175k","coord":"t18_x9_u0_b154","data":{"index":122329,"ordinal":"146534581","topo":"o2(x,o2(x,o2(x,x)))","expression":"sub(P,div(D,add(P,P)))","image":"frame_expr-122329.png","measured":true,"step":7039,"globalStep":7039,"value_mean":-0.00041605811566114426,"value_positive_fraction":0.5,"value_abs_mean":0.9995790719985962,"value_variance":0.9991806745529175,"value_stddev":0.9995902180671692,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1,"gradient_energy_x":0.04738347977399826,"gradient_energy_y":0,"gradient_magnitude_mean":0.02400384284555912,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":9.461055272552699e-10,"laplacian_energy":0.09511885792016983,"laplacian_abs_mean":0.047883883118629456,"gradient_magnitude_variance":0.04678768664598465,"gradient_magnitude_stddev":0.21630461513996124,"gradient_magnitude_cv":9.011249542236328,"gradient_magnitude_max":2,"gradient_energy_over_variance":0.04742233455181122,"laplacian_energy_over_variance":0.09519685804843903,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0626109167933464,"scale_diff2_mid":0.2515280544757843,"scale_diff2_far":0.33685970306396484,"scale_diff2_near_over_variance":0.06266225874423981,"scale_diff2_mid_over_variance":0.25173431634902954,"scale_diff2_far_over_variance":0.3371359407901764,"value_histogram":[[[0.5,0.5,0.5],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.5,0.5,0.5]]],"scale_curve":[[[0.015625,0.0626109167933464,0.06266225874423981],[0.0625,0.2515280544757843,0.25173431634902954],[0.25,0.33685970306396484,0.3371359407901764]]]},"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\",\"9\",\"0\",\"154\"]"}