{"collection":"grad-noise-175k","coord":"t19_x3_u6_b42","data":{"index":139956,"ordinal":"154413870","topo":"o2(x,o2(o1(x),x))","expression":"div(P,dot(nrm(D),P))","image":"frame_expr-139956.png","measured":true,"step":148055,"globalStep":148055,"value_mean":-0.021667446941137314,"value_positive_fraction":0.48828125,"value_abs_mean":0.6282497644424438,"value_variance":0.5281288623809814,"value_stddev":0.7267247438430786,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":4.274510383605957,"gradient_energy_x":0.339718222618103,"gradient_energy_y":0.2973833680152893,"gradient_magnitude_mean":0.4471243619918823,"gradient_axis_bias":0.06644914299249649,"gradient_nonzero_flag":1,"laplacian_mean":-6.570177180087455e-10,"laplacian_energy":2.3118844032287598,"laplacian_abs_mean":0.7249386310577393,"gradient_magnitude_variance":0.437173068523407,"gradient_magnitude_stddev":0.6611906290054321,"gradient_magnitude_cv":1.478762149810791,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":1.2063374519348145,"laplacian_energy_over_variance":4.377500534057617,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.5825757384300232,"scale_diff2_mid":1.267307996749878,"scale_diff2_far":0.6751260757446289,"scale_diff2_near_over_variance":1.1030939817428589,"scale_diff2_mid_over_variance":2.3996188640594482,"scale_diff2_far_over_variance":1.2783359289169312,"value_histogram":[[[0.209869384765625,0.209869384765625,0.209869384765625],[0.010528564453125,0.010528564453125,0.010528564453125],[0.01263427734375,0.01263427734375,0.01263427734375],[0.014678955078125,0.014678955078125,0.014678955078125],[0.01513671875,0.01513671875,0.01513671875],[0.016387939453125,0.016387939453125,0.016387939453125],[0.015960693359375,0.015960693359375,0.015960693359375],[0.01806640625,0.01806640625,0.01806640625],[0.01934814453125,0.01934814453125,0.01934814453125],[0.0196533203125,0.0196533203125,0.0196533203125],[0.021453857421875,0.021453857421875,0.021453857421875],[0.02191162109375,0.02191162109375,0.02191162109375],[0.0213623046875,0.0213623046875,0.0213623046875],[0.0264892578125,0.0264892578125,0.0264892578125],[0.029571533203125,0.029571533203125,0.029571533203125],[0.03778076171875,0.03778076171875,0.03778076171875],[0.03778076171875,0.03778076171875,0.03778076171875],[0.029571533203125,0.029571533203125,0.029571533203125],[0.0264892578125,0.0264892578125,0.0264892578125],[0.0213623046875,0.0213623046875,0.0213623046875],[0.02191162109375,0.02191162109375,0.02191162109375],[0.021453857421875,0.021453857421875,0.021453857421875],[0.0196533203125,0.0196533203125,0.0196533203125],[0.01934814453125,0.01934814453125,0.01934814453125],[0.01806640625,0.01806640625,0.01806640625],[0.015960693359375,0.015960693359375,0.015960693359375],[0.016387939453125,0.016387939453125,0.016387939453125],[0.01513671875,0.01513671875,0.01513671875],[0.014678955078125,0.014678955078125,0.014678955078125],[0.01263427734375,0.01263427734375,0.01263427734375],[0.010528564453125,0.010528564453125,0.010528564453125],[0.188201904296875,0.188201904296875,0.188201904296875]]],"scale_curve":[[[0.015625,0.5825757384300232,1.1030939817428589],[0.0625,1.267307996749878,2.3996188640594482],[0.25,0.6751260757446289,1.2783359289169312]]]},"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\",\"3\",\"6\",\"42\"]"}