{"collection":"grad-noise-175k","coord":"t20_x31_u0_b192","data":{"index":165939,"ordinal":"163664643","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,lrg(mod(P,D),D))","image":"frame_expr-165939.png","measured":true,"step":35919,"globalStep":35919,"value_mean":-0.47187358140945435,"value_positive_fraction":0.3125,"value_abs_mean":0.5071729421615601,"value_variance":0.2013358622789383,"value_stddev":0.44870465993881226,"value_min":-1,"value_max":0.09671986103057861,"value_range":1.0967198610305786,"histogram_probability_sum":1,"histogram_entropy_bits":2.8996899127960205,"gradient_energy_x":0.09216175973415375,"gradient_energy_y":0,"gradient_magnitude_mean":0.15620103478431702,"gradient_axis_bias":0.9999999403953552,"gradient_nonzero_flag":1,"laplacian_mean":-0.00006835386739112437,"laplacian_energy":0.19473084807395935,"laplacian_abs_mean":0.18709290027618408,"gradient_magnitude_variance":0.06775640696287155,"gradient_magnitude_stddev":0.2603006064891815,"gradient_magnitude_cv":1.6664460897445679,"gradient_magnitude_max":1.0306679010391235,"gradient_energy_over_variance":0.4577513337135315,"laplacian_energy_over_variance":0.9671940207481384,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.08555501699447632,"scale_diff2_mid":0.3680800497531891,"scale_diff2_far":0.0043908217921853065,"scale_diff2_near_over_variance":0.42493680119514465,"scale_diff2_mid_over_variance":1.8281892538070679,"scale_diff2_far_over_variance":0.02180844359099865,"value_histogram":[[[0.30078125,0.30078125,0.30078125],[0.0625,0.0625,0.0625],[0,0,0],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.0625,0.0625,0.0625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.0703125,0.0703125,0.0703125],[0,0,0],[0.125,0.125,0.125],[0.1875,0.1875,0.1875],[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]]],"scale_curve":[[[0.015625,0.08555501699447632,0.42493680119514465],[0.0625,0.3680800497531891,1.8281892538070679],[0.25,0.0043908217921853065,0.02180844359099865]]]},"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":"[\"20\",\"31\",\"0\",\"192\"]"}