{"collection":"grad-noise-175k","coord":"t18_x71_u0_b163","data":{"index":134800,"ordinal":"149039452","topo":"o2(x,o2(x,o2(x,x)))","expression":"sub(R,div(D,dot(R,R)))","image":"frame_expr-134800.png","measured":true,"step":106807,"globalStep":106807,"value_mean":0.006747279316186905,"value_positive_fraction":0.50311279296875,"value_abs_mean":0.4740416705608368,"value_variance":0.3067530393600464,"value_stddev":0.553852915763855,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":4.973562240600586,"gradient_energy_x":0.011370271444320679,"gradient_energy_y":0.004606816451996565,"gradient_magnitude_mean":0.09634242206811905,"gradient_axis_bias":0.4233221113681793,"gradient_nonzero_flag":1,"laplacian_mean":0.0003653199237305671,"laplacian_energy":0.005756279919296503,"laplacian_abs_mean":0.03173651546239853,"gradient_magnitude_variance":0.006695129442960024,"gradient_magnitude_stddev":0.08182376623153687,"gradient_magnitude_cv":0.8493015170097351,"gradient_magnitude_max":2.0231850147247314,"gradient_energy_over_variance":0.052084531635046005,"laplacian_energy_over_variance":0.018765192478895187,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.025423824787139893,"scale_diff2_mid":0.2619391977787018,"scale_diff2_far":0.5102901458740234,"scale_diff2_near_over_variance":0.0828804299235344,"scale_diff2_mid_over_variance":0.8539090156555176,"scale_diff2_far_over_variance":1.6635210514068604,"value_histogram":[[[0.0405731201171875,0.0405731201171875,0.0405731201171875],[0.01641845703125,0.01641845703125,0.01641845703125],[0.01995849609375,0.01995849609375,0.01995849609375],[0.0264892578125,0.0264892578125,0.0264892578125],[0.0260009765625,0.0260009765625,0.0260009765625],[0.0289764404296875,0.0289764404296875,0.0289764404296875],[0.03106689453125,0.03106689453125,0.03106689453125],[0.031890869140625,0.031890869140625,0.031890869140625],[0.0335693359375,0.0335693359375,0.0335693359375],[0.0321197509765625,0.0321197509765625,0.0321197509765625],[0.0361480712890625,0.0361480712890625,0.0361480712890625],[0.0340118408203125,0.0340118408203125,0.0340118408203125],[0.0338134765625,0.0338134765625,0.0338134765625],[0.0355682373046875,0.0355682373046875,0.0355682373046875],[0.0334625244140625,0.0334625244140625,0.0334625244140625],[0.0367889404296875,0.0367889404296875,0.0367889404296875],[0.03375244140625,0.03375244140625,0.03375244140625],[0.03277587890625,0.03277587890625,0.03277587890625],[0.0340118408203125,0.0340118408203125,0.0340118408203125],[0.03228759765625,0.03228759765625,0.03228759765625],[0.03179931640625,0.03179931640625,0.03179931640625],[0.03265380859375,0.03265380859375,0.03265380859375],[0.034088134765625,0.034088134765625,0.034088134765625],[0.035888671875,0.035888671875,0.035888671875],[0.033294677734375,0.033294677734375,0.033294677734375],[0.033905029296875,0.033905029296875,0.033905029296875],[0.0353240966796875,0.0353240966796875,0.0353240966796875],[0.0351409912109375,0.0351409912109375,0.0351409912109375],[0.028106689453125,0.028106689453125,0.028106689453125],[0.0218658447265625,0.0218658447265625,0.0218658447265625],[0.0156097412109375,0.0156097412109375,0.0156097412109375],[0.0326385498046875,0.0326385498046875,0.0326385498046875]]],"scale_curve":[[[0.015625,0.025423824787139893,0.0828804299235344],[0.0625,0.2619391977787018,0.8539090156555176],[0.25,0.5102901458740234,1.6635210514068604]]]},"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":"[\"18\",\"71\",\"0\",\"163\"]"}