{"collection":"grad-noise-175k","coord":"t8_x4_u0_b34","data":{"index":6134,"ordinal":"65126446","topo":"o2(o2(x,x),x)","expression":"div(sub(P,D),D)","image":"frame_expr-006134.png","measured":true,"step":49079,"globalStep":49079,"value_mean":-0.2139851301908493,"value_positive_fraction":0.390625,"value_abs_mean":0.967648446559906,"value_variance":0.9089289903640747,"value_stddev":0.9533776640892029,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.4251296520233154,"gradient_energy_x":0.3568931519985199,"gradient_energy_y":0,"gradient_magnitude_mean":0.2222222536802292,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":1.8884567243304673e-9,"laplacian_energy":0.6300125122070312,"laplacian_abs_mean":0.378696084022522,"gradient_magnitude_variance":0.3075543940067291,"gradient_magnitude_stddev":0.5545758605003357,"gradient_magnitude_cv":2.495591163635254,"gradient_magnitude_max":2,"gradient_energy_over_variance":0.3926524221897125,"laplacian_energy_over_variance":0.6931372284889221,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0,"scale_diff2_mid":0,"scale_diff2_far":0.38591235876083374,"scale_diff2_near_over_variance":0,"scale_diff2_mid_over_variance":0,"scale_diff2_far_over_variance":0.4245792329311371,"value_histogram":[[[0.578125,0.578125,0.578125],[0,0,0],[0,0,0],[0.0078125,0.0078125,0.0078125],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.0078125,0.0078125,0.0078125],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.0078125,0.0078125,0.0078125],[0,0,0],[0,0,0],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0,0,0],[0,0,0],[0,0,0],[0.359375,0.359375,0.359375]]],"scale_curve":[[[0.015625,0,0],[0.0625,0,0],[0.25,0.38591235876083374,0.4245792329311371]]]},"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":"[\"8\",\"4\",\"0\",\"34\"]"}