{"collection":"grad-noise-175k","coord":"t19_x25_u0_b43","data":{"index":157865,"ordinal":"155301487","topo":"o2(x,o2(o1(x),x))","expression":"div(R,dst(sqt(R),D))","image":"frame_expr-157865.png","measured":true,"step":142927,"globalStep":142927,"value_mean":-0.9941864013671875,"value_positive_fraction":0.00390625,"value_abs_mean":0.9980010986328125,"value_variance":0.00867766235023737,"value_stddev":0.09315396845340729,"value_min":-1,"value_max":0.6534551382064819,"value_range":1.653455138206482,"histogram_probability_sum":1,"histogram_entropy_bits":0.04747336357831955,"gradient_energy_x":0.0011091779451817274,"gradient_energy_y":0.0011204405454918742,"gradient_magnitude_mean":0.0015616640448570251,"gradient_axis_bias":-0.005051357671618462,"gradient_nonzero_flag":1,"laplacian_mean":3.7543870790024414e-11,"laplacian_energy":0.0047258599661290646,"laplacian_abs_mean":0.003009498119354248,"gradient_magnitude_variance":0.002225414849817753,"gradient_magnitude_stddev":0.047174300998449326,"gradient_magnitude_cv":30.207714080810547,"gradient_magnitude_max":1.854600191116333,"gradient_energy_over_variance":0.2569376528263092,"laplacian_energy_over_variance":0.5446005463600159,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.003931200131773949,"scale_diff2_mid":0.015849722549319267,"scale_diff2_far":0.03049551695585251,"scale_diff2_near_over_variance":0.453025221824646,"scale_diff2_mid_over_variance":1.8264967203140259,"scale_diff2_far_over_variance":3.514254570007324,"value_histogram":[[[0.99609375,0.99609375,0.99609375],[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],[0.0002593994140625,0.0002593994140625,0.0002593994140625],[0.0004119873046875,0.0004119873046875,0.0004119873046875],[0.000579833984375,0.000579833984375,0.000579833984375],[0.0007781982421875,0.0007781982421875,0.0007781982421875],[0.0008087158203125,0.0008087158203125,0.0008087158203125],[0.0006866455078125,0.0006866455078125,0.0006866455078125],[0.0003814697265625,0.0003814697265625,0.0003814697265625],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0]]],"scale_curve":[[[0.015625,0.003931200131773949,0.453025221824646],[0.0625,0.015849722549319267,1.8264967203140259],[0.25,0.03049551695585251,3.514254570007324]]]},"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":"[\"19\",\"25\",\"0\",\"43\"]"}