{"collection":"grad-noise-175k","coord":"t19_x4_u3_b20","data":{"index":140418,"ordinal":"154453646","topo":"o2(x,o2(o1(x),x))","expression":"sub(P,dot(flr(D),D))","image":"frame_expr-140418.png","measured":true,"step":3351,"globalStep":3351,"value_mean":-0.03575458750128746,"value_positive_fraction":0.476318359375,"value_abs_mean":0.9375,"value_variance":0.9184480309486389,"value_stddev":0.9583569169044495,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.9222193956375122,"gradient_energy_x":0.0006730875466018915,"gradient_energy_y":0.00018233519222121686,"gradient_magnitude_mean":0.009707730263471603,"gradient_axis_bias":0.5736956596374512,"gradient_nonzero_flag":1,"laplacian_mean":0.00003888822902808897,"laplacian_energy":0.00011002251994796097,"laplacian_abs_mean":0.0029541465919464827,"gradient_magnitude_variance":0.0007613198831677437,"gradient_magnitude_stddev":0.027592025697231293,"gradient_magnitude_cv":2.842273473739624,"gradient_magnitude_max":0.12661179900169373,"gradient_energy_over_variance":0.0009313785703852773,"laplacian_energy_over_variance":0.00011979178088949993,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.00220935489051044,"scale_diff2_mid":0.025521688163280487,"scale_diff2_far":0.22837236523628235,"scale_diff2_near_over_variance":0.002405530773103237,"scale_diff2_mid_over_variance":0.027787841856479645,"scale_diff2_far_over_variance":0.24865029752254486,"value_histogram":[[[0.466552734375,0.466552734375,0.466552734375],[0.002197265625,0.002197265625,0.002197265625],[0.0029296875,0.0029296875,0.0029296875],[0.002685546875,0.002685546875,0.002685546875],[0.00244140625,0.00244140625,0.00244140625],[0.002197265625,0.002197265625,0.002197265625],[0.001953125,0.001953125,0.001953125],[0.00244140625,0.00244140625,0.00244140625],[0.00244140625,0.00244140625,0.00244140625],[0.002685546875,0.002685546875,0.002685546875],[0.002197265625,0.002197265625,0.002197265625],[0.006103515625,0.006103515625,0.006103515625],[0.007568359375,0.007568359375,0.007568359375],[0.00634765625,0.00634765625,0.00634765625],[0.00537109375,0.00537109375,0.00537109375],[0.007568359375,0.007568359375,0.007568359375],[0.00537109375,0.00537109375,0.00537109375],[0.002197265625,0.002197265625,0.002197265625],[0.0029296875,0.0029296875,0.0029296875],[0.002685546875,0.002685546875,0.002685546875],[0.00244140625,0.00244140625,0.00244140625],[0.002197265625,0.002197265625,0.002197265625],[0.001953125,0.001953125,0.001953125],[0.00244140625,0.00244140625,0.00244140625],[0.00244140625,0.00244140625,0.00244140625],[0.002685546875,0.002685546875,0.002685546875],[0.002197265625,0.002197265625,0.002197265625],[0.006103515625,0.006103515625,0.006103515625],[0.007568359375,0.007568359375,0.007568359375],[0.00634765625,0.00634765625,0.00634765625],[0.00537109375,0.00537109375,0.00537109375],[0.42138671875,0.42138671875,0.42138671875]]],"scale_curve":[[[0.015625,0.00220935489051044,0.002405530773103237],[0.0625,0.025521688163280487,0.027787841856479645],[0.25,0.22837236523628235,0.24865029752254486]]]},"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\",\"4\",\"3\",\"20\"]"}