{"collection":"grad-noise-175k","coord":"t20_x51_u0_b50","data":{"index":169817,"ordinal":"164472521","topo":"o2(x,o2(o2(x,x),x))","expression":"add(D,pow(lrg(R,R),P))","image":"frame_expr-169817.png","measured":true,"step":66943,"globalStep":66943,"value_mean":-0.4698530435562134,"value_positive_fraction":0.26171875,"value_abs_mean":0.5736361145973206,"value_variance":0.3112676739692688,"value_stddev":0.5579136610031128,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":2.4627480506896973,"gradient_energy_x":0.017212744802236557,"gradient_energy_y":0,"gradient_magnitude_mean":0.028488390147686005,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0.00015817330859135836,"laplacian_energy":0.03194017708301544,"laplacian_abs_mean":0.023844556882977486,"gradient_magnitude_variance":0.016395559534430504,"gradient_magnitude_stddev":0.12804514169692993,"gradient_magnitude_cv":4.494643211364746,"gradient_magnitude_max":2,"gradient_energy_over_variance":0.05529884994029999,"laplacian_energy_over_variance":0.10261321067810059,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.02399471215903759,"scale_diff2_mid":0.10219309478998184,"scale_diff2_far":0.15874625742435455,"scale_diff2_near_over_variance":0.07708706706762314,"scale_diff2_mid_over_variance":0.32831257581710815,"scale_diff2_far_over_variance":0.50999915599823,"value_histogram":[[[0.5,0.5,0.5],[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],[0.08203125,0.08203125,0.08203125],[0.09375,0.09375,0.09375],[0.0625,0.0625,0.0625],[0.0546875,0.0546875,0.0546875],[0.0859375,0.0859375,0.0859375],[0.08203125,0.08203125,0.08203125],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.01953125,0.01953125,0.01953125]]],"scale_curve":[[[0.015625,0.02399471215903759,0.07708706706762314],[0.0625,0.10219309478998184,0.32831257581710815],[0.25,0.15874625742435455,0.50999915599823]]]},"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":"[\"20\",\"51\",\"0\",\"50\"]"}