| { |
| "adapter": "passive_scalar_coarse", |
| "field_kind": "signed", |
| "quantile": 0.9999, |
| "clip_c": 1.1251138597965493, |
| "range": [ |
| -1.1251138597965493, |
| 1.1251138597965493 |
| ], |
| "n_train_states": 65600, |
| "field_shape": [ |
| 128, |
| 128 |
| ], |
| "pixel_stride": 4, |
| "n_pixel_values": 67174400, |
| "map": "uint8 = rint((clip(w,-c,c)+c)/(2c)*255)", |
| "channels": "3 identical (grayscale scalar field), no colormap", |
| "source": { |
| "packaged_dataset_path": "<dataset>", |
| "block": "vecs_train", |
| "ics": "canonical rows 0..79", |
| "members": "j < 20", |
| "snapshots": "all", |
| "pixel_stride": 4, |
| "n_states": 65600, |
| "rule": "training data only; validation, test and generated data never enter" |
| }, |
| "state": "196-D coarse spectral passive scalar (98 complex modes |k| <= 8, Hermitian half, theta_hat / N^2)", |
| "reconstruction": "exact inverse FFT of the |k| <= 8 modes on a 128x128 grid (alias-free)", |
| "n_disp": 128, |
| "k_c": 8, |
| "clip": "symmetric [-c, c], c = Q_q(|theta|) over the training pool", |
| "physical_diagnostic": "scalar_variance_ratio = mean_gen sum|theta_hat_k|^2 / mean_truth sum|theta_hat_k|^2" |
| } |
|
|
