{"collection":"grad-noise-175k","coord":"t19_x14_u4_b42","data":{"index":149031,"ordinal":"154857879","topo":"o2(x,o2(o1(x),x))","expression":"div(D,dot(cil(D),R))","image":"frame_expr-149031.png","measured":true,"step":72255,"globalStep":72255,"value_mean":-0.5,"value_positive_fraction":0.25,"value_abs_mean":1,"value_variance":0.75,"value_stddev":0.8660253882408142,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.8112781047821045,"gradient_energy_x":0.0803728923201561,"gradient_energy_y":0.09498614817857742,"gradient_magnitude_mean":0.08701537549495697,"gradient_axis_bias":-0.08333335071802139,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.3701184391975403,"laplacian_abs_mean":0.17535904049873352,"gradient_magnitude_variance":0.16792427003383636,"gradient_magnitude_stddev":0.4097856283187866,"gradient_magnitude_cv":4.709347248077393,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.23381203413009644,"laplacian_energy_over_variance":0.4934912323951721,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.17019391059875488,"scale_diff2_mid":0.6940720081329346,"scale_diff2_far":1.445041537284851,"scale_diff2_near_over_variance":0.22692519426345825,"scale_diff2_mid_over_variance":0.9254292845726013,"scale_diff2_far_over_variance":1.9267219305038452,"value_histogram":[[[0.75,0.75,0.75],[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],[0,0,0],[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],[0.25,0.25,0.25]]],"scale_curve":[[[0.015625,0.17019391059875488,0.22692519426345825],[0.0625,0.6940720081329346,0.9254292845726013],[0.25,1.445041537284851,1.9267219305038452]]]},"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\",\"14\",\"4\",\"42\"]"}