{"collection":"grad-noise-175k","coord":"t18_x4_u0_b163","data":{"index":121333,"ordinal":"146332585","topo":"o2(x,o2(x,o2(x,x)))","expression":"sub(P,div(P,dot(D,D)))","image":"frame_expr-121333.png","measured":true,"step":130671,"globalStep":130671,"value_mean":0,"value_positive_fraction":0.49560546875,"value_abs_mean":0.9483465552330017,"value_variance":0.9428451061248779,"value_stddev":0.9710021018981934,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.496479868888855,"gradient_energy_x":0.0020114202052354813,"gradient_energy_y":0.00015281743253581226,"gradient_magnitude_mean":0.00830315612256527,"gradient_axis_bias":0.8587793707847595,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.0014646778581663966,"laplacian_abs_mean":0.006417199969291687,"gradient_magnitude_variance":0.0020953668281435966,"gradient_magnitude_stddev":0.04577517509460449,"gradient_magnitude_cv":5.512984752655029,"gradient_magnitude_max":0.4628598392009735,"gradient_energy_over_variance":0.0022954328451305628,"laplacian_energy_over_variance":0.0015534660778939724,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.004929773975163698,"scale_diff2_mid":0.03664833679795265,"scale_diff2_far":0.2597503662109375,"scale_diff2_near_over_variance":0.005228614900261164,"scale_diff2_mid_over_variance":0.0388699434697628,"scale_diff2_far_over_variance":0.27549633383750916,"value_histogram":[[[0.46875,0.46875,0.46875],[0.00048828125,0.00048828125,0.00048828125],[0.00048828125,0.00048828125,0.00048828125],[0,0,0],[0.00048828125,0.00048828125,0.00048828125],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0,0,0],[0.00244140625,0.00244140625,0.00244140625],[0.00146484375,0.00146484375,0.00146484375],[0.0009765625,0.0009765625,0.0009765625],[0.00341796875,0.00341796875,0.00341796875],[0.0166015625,0.0166015625,0.0166015625],[0.0166015625,0.0166015625,0.0166015625],[0.00341796875,0.00341796875,0.00341796875],[0.0009765625,0.0009765625,0.0009765625],[0.00146484375,0.00146484375,0.00146484375],[0.00244140625,0.00244140625,0.00244140625],[0,0,0],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0.00048828125,0.00048828125,0.00048828125],[0,0,0],[0.00048828125,0.00048828125,0.00048828125],[0.00048828125,0.00048828125,0.00048828125],[0.46875,0.46875,0.46875]]],"scale_curve":[[[0.015625,0.004929773975163698,0.005228614900261164],[0.0625,0.03664833679795265,0.0388699434697628],[0.25,0.2597503662109375,0.27549633383750916]]]},"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\",\"4\",\"0\",\"163\"]"}