{"collection":"grad-noise-175k","coord":"t19_x20_u1_b42","data":{"index":153750,"ordinal":"155099682","topo":"o2(x,o2(o1(x),x))","expression":"div(R,dot(log(P),R))","image":"frame_expr-153750.png","measured":true,"step":110007,"globalStep":110007,"value_mean":-0.8046875,"value_positive_fraction":0,"value_abs_mean":0.8046875,"value_variance":0.15712949633598328,"value_stddev":0.39639562368392944,"value_min":-1,"value_max":0,"value_range":1,"histogram_probability_sum":1,"histogram_entropy_bits":0.7124534249305725,"gradient_energy_x":0.0017321744235232472,"gradient_energy_y":0.0022360796574503183,"gradient_magnitude_mean":0.003968254197388887,"gradient_axis_bias":-0.126984104514122,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.00803099013864994,"laplacian_abs_mean":0.007936508394777775,"gradient_magnitude_variance":0.003952296916395426,"gradient_magnitude_stddev":0.06286729872226715,"gradient_magnitude_cv":15.842557907104492,"gradient_magnitude_max":1,"gradient_energy_over_variance":0.02525467425584793,"laplacian_energy_over_variance":0.0511106476187706,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.005263158120214939,"scale_diff2_mid":0.021052632480859756,"scale_diff2_far":0.07711911201477051,"scale_diff2_near_over_variance":0.033495672047138214,"scale_diff2_mid_over_variance":0.13398268818855286,"scale_diff2_far_over_variance":0.4907997250556946,"value_histogram":[[[0.8046875,0.8046875,0.8046875],[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],[0.1953125,0.1953125,0.1953125],[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]]],"scale_curve":[[[0.015625,0.005263158120214939,0.033495672047138214],[0.0625,0.021052632480859756,0.13398268818855286],[0.25,0.07711911201477051,0.4907997250556946]]]},"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\",\"20\",\"1\",\"42\"]"}