{"collection":"grad-noise-175k","coord":"t12_x23_u2_b42","data":{"index":38953,"ordinal":"98376879","topo":"o1(o2(x,o2(x,x)))","expression":"frc(div(R,dot(D,R)))","image":"frame_expr-038953.png","measured":true,"step":141471,"globalStep":141471,"value_mean":0.49795377254486084,"value_positive_fraction":1,"value_abs_mean":0.49795377254486084,"value_variance":0.05165568366646767,"value_stddev":0.22727887332439423,"value_min":0.0008737291791476309,"value_max":0.999205470085144,"value_range":0.9983317255973816,"histogram_probability_sum":1,"histogram_entropy_bits":3.8476500511169434,"gradient_energy_x":0.09706485271453857,"gradient_energy_y":0.09509839862585068,"gradient_magnitude_mean":0.37513455748558044,"gradient_axis_bias":0.010233246721327305,"gradient_nonzero_flag":1,"laplacian_mean":-0.00009965465869754553,"laplacian_energy":0.9763776659965515,"laplacian_abs_mean":0.773651659488678,"gradient_magnitude_variance":0.05144147574901581,"gradient_magnitude_stddev":0.2268071323633194,"gradient_magnitude_cv":0.6046020984649658,"gradient_magnitude_max":1.3316470384597778,"gradient_energy_over_variance":3.7200796604156494,"laplacian_energy_over_variance":18.901649475097656,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.09943709522485733,"scale_diff2_mid":0.09830720722675323,"scale_diff2_far":0.10442673414945602,"scale_diff2_near_over_variance":1.9249980449676514,"scale_diff2_mid_over_variance":1.9031246900558472,"scale_diff2_far_over_variance":2.021592378616333,"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],[0.0136566162109375,0.0136566162109375,0.0136566162109375],[0.0368194580078125,0.0368194580078125,0.0368194580078125],[0.0495147705078125,0.0495147705078125,0.0495147705078125],[0.0623321533203125,0.0623321533203125,0.0623321533203125],[0.0755462646484375,0.0755462646484375,0.0755462646484375],[0.083465576171875,0.083465576171875,0.083465576171875],[0.088226318359375,0.088226318359375,0.088226318359375],[0.0924072265625,0.0924072265625,0.0924072265625],[0.09454345703125,0.09454345703125,0.09454345703125],[0.0883026123046875,0.0883026123046875,0.0883026123046875],[0.0824737548828125,0.0824737548828125,0.0824737548828125],[0.073822021484375,0.073822021484375,0.073822021484375],[0.063812255859375,0.063812255859375,0.063812255859375],[0.0480194091796875,0.0480194091796875,0.0480194091796875],[0.034210205078125,0.034210205078125,0.034210205078125],[0.012847900390625,0.012847900390625,0.012847900390625]]],"scale_curve":[[[0.015625,0.09943709522485733,1.9249980449676514],[0.0625,0.09830720722675323,1.9031246900558472],[0.25,0.10442673414945602,2.021592378616333]]]},"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":"[\"12\",\"23\",\"2\",\"42\"]"}