{"collection":"grad-noise-175k","coord":"t19_x13_u2_b42","data":{"index":147942,"ordinal":"154817076","topo":"o2(x,o2(o1(x),x))","expression":"div(D,dot(frc(D),D))","image":"frame_expr-147942.png","measured":true,"step":63543,"globalStep":63543,"value_mean":0.38382285833358765,"value_positive_fraction":0.69921875,"value_abs_mean":0.806320309638977,"value_variance":0.6079702377319336,"value_stddev":0.7797244787216187,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":2.862999200820923,"gradient_energy_x":0.38114407658576965,"gradient_energy_y":0.4199850559234619,"gradient_magnitude_mean":0.4496752619743347,"gradient_axis_bias":-0.04848279431462288,"gradient_nonzero_flag":1,"laplacian_mean":0.0003628971753641963,"laplacian_energy":2.969494581222534,"laplacian_abs_mean":0.8673809766769409,"gradient_magnitude_variance":0.5991443395614624,"gradient_magnitude_stddev":0.7740441560745239,"gradient_magnitude_cv":1.7213401794433594,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":1.3177109956741333,"laplacian_energy_over_variance":4.884276390075684,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.6668079495429993,"scale_diff2_mid":1.3419967889785767,"scale_diff2_far":0,"scale_diff2_near_over_variance":1.096777319908142,"scale_diff2_mid_over_variance":2.2073395252227783,"scale_diff2_far_over_variance":0,"value_histogram":[[[0.15625,0.15625,0.15625],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0.015625,0.015625,0.015625],[0.01953125,0.01953125,0.01953125],[0.015625,0.015625,0.015625],[0.015625,0.015625,0.015625],[0.02734375,0.02734375,0.02734375],[0.01953125,0.01953125,0.01953125],[0,0,0],[0.01953125,0.01953125,0.01953125],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0.00390625,0.00390625,0.00390625],[0.53515625,0.53515625,0.53515625]]],"scale_curve":[[[0.015625,0.6668079495429993,1.096777319908142],[0.0625,1.3419967889785767,2.2073395252227783],[0.25,0,0]]]},"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\",\"13\",\"2\",\"42\"]"}