{"collection":"grad-noise-175k","coord":"t19_x2_u5_b33","data":{"index":138979,"ordinal":"154373259","topo":"o2(x,o2(o1(x),x))","expression":"div(P,add(sgn(P),R))","image":"frame_expr-138979.png","measured":true,"step":140239,"globalStep":140239,"value_mean":0.9363183379173279,"value_positive_fraction":1,"value_abs_mean":0.9363183379173279,"value_variance":0.04415086656808853,"value_stddev":0.21012108027935028,"value_min":0.00014593293599318713,"value_max":1,"value_range":0.9998540878295898,"histogram_probability_sum":1,"histogram_entropy_bits":0.8703582882881165,"gradient_energy_x":0.0011115327943116426,"gradient_energy_y":0.00020553467038553208,"gradient_magnitude_mean":0.008989794179797173,"gradient_axis_bias":0.6878904700279236,"gradient_nonzero_flag":1,"laplacian_mean":-0.00004319210711400956,"laplacian_energy":0.0006528572412207723,"laplacian_abs_mean":0.0045026508159935474,"gradient_magnitude_variance":0.001236183219589293,"gradient_magnitude_stddev":0.0351593978703022,"gradient_magnitude_cv":3.9110348224639893,"gradient_magnitude_max":0.4845527112483978,"gradient_energy_over_variance":0.029831066727638245,"laplacian_energy_over_variance":0.014786963351070881,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.002750867512077093,"scale_diff2_mid":0.026624133810400963,"scale_diff2_far":0.07243060320615768,"scale_diff2_near_over_variance":0.062306083738803864,"scale_diff2_mid_over_variance":0.6030263304710388,"scale_diff2_far_over_variance":1.6405251026153564,"value_histogram":[[[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],[0.02398681640625,0.02398681640625,0.02398681640625],[0.0071563720703125,0.0071563720703125,0.0071563720703125],[0.005615234375,0.005615234375,0.005615234375],[0.0053558349609375,0.0053558349609375,0.0053558349609375],[0.00445556640625,0.00445556640625,0.00445556640625],[0.0044097900390625,0.0044097900390625,0.0044097900390625],[0.004364013671875,0.004364013671875,0.004364013671875],[0.0047607421875,0.0047607421875,0.0047607421875],[0.007537841796875,0.007537841796875,0.007537841796875],[0.007781982421875,0.007781982421875,0.007781982421875],[0.00689697265625,0.00689697265625,0.00689697265625],[0.005828857421875,0.005828857421875,0.005828857421875],[0.0052490234375,0.0052490234375,0.0052490234375],[0.005096435546875,0.005096435546875,0.005096435546875],[0.0062408447265625,0.0062408447265625,0.0062408447265625],[0.895263671875,0.895263671875,0.895263671875]]],"scale_curve":[[[0.015625,0.002750867512077093,0.062306083738803864],[0.0625,0.026624133810400963,0.6030263304710388],[0.25,0.07243060320615768,1.6405251026153564]]]},"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\",\"2\",\"5\",\"33\"]"}