{"collection":"grad-noise-175k","coord":"t19_x6_u4_b40","data":{"index":142253,"ordinal":"154534669","topo":"o2(x,o2(o1(x),x))","expression":"div(P,eql(cil(R),P))","image":"frame_expr-142253.png","measured":true,"step":18031,"globalStep":18031,"value_mean":-0.96875,"value_positive_fraction":0.01953125,"value_abs_mean":0.9921875,"value_variance":0.052020054310560226,"value_stddev":0.22807905077934265,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.1993788182735443,"gradient_energy_x":0.007143716793507338,"gradient_energy_y":0.002914363518357277,"gradient_magnitude_mean":0.0067361569963395596,"gradient_axis_bias":0.42049306631088257,"gradient_nonzero_flag":1,"laplacian_mean":-5.631580618503662e-11,"laplacian_energy":0.02072170190513134,"laplacian_abs_mean":0.011766724288463593,"gradient_magnitude_variance":0.010010112076997757,"gradient_magnitude_stddev":0.10005054622888565,"gradient_magnitude_cv":14.852763175964355,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.19335007667541504,"laplacian_energy_over_variance":0.3983406722545624,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.014089302159845829,"scale_diff2_mid":0.056873153895139694,"scale_diff2_far":0.12469477951526642,"scale_diff2_near_over_variance":0.2708436846733093,"scale_diff2_mid_over_variance":1.0932929515838623,"scale_diff2_far_over_variance":2.397052049636841,"value_histogram":[[[0.98046875,0.98046875,0.98046875],[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],[0.0029296875,0.0029296875,0.0029296875],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0,0,0],[0.0009765625,0.0009765625,0.0009765625],[0,0,0],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0,0,0],[0.0009765625,0.0009765625,0.0009765625],[0,0,0],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0.0009765625,0.0009765625,0.0009765625],[0.0068359375,0.0068359375,0.0068359375]]],"scale_curve":[[[0.015625,0.014089302159845829,0.2708436846733093],[0.0625,0.056873153895139694,1.0932929515838623],[0.25,0.12469477951526642,2.397052049636841]]]},"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\",\"6\",\"4\",\"40\"]"}