| { |
| "adapter": "nlkg_coarse_u", |
| "field_kind": "signed", |
| "quantile": 0.9999, |
| "clip_c": 0.5955045945108044, |
| "range": [ |
| -0.5955045945108044, |
| 0.5955045945108044 |
| ], |
| "n_train_states": 1600, |
| "field_shape": [ |
| 128, |
| 128 |
| ], |
| "pixel_stride": 1, |
| "n_pixel_values": 26214400, |
| "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": [ |
| 40 |
| ], |
| "pixel_stride": 1, |
| "n_states": 1600, |
| "rule": "training data only; validation, test and generated data never enter" |
| }, |
| "state": "392-D coarse state (196-D u + 196-D v/4, house coarse operator |k| <= 8 on each); the image reads ONLY the first component u -- identical reconstruction to euler_coarse_vorticity", |
| "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(|u_coarse|) over the training pool's final-time fields", |
| "physical_diagnostic": "coarse_u_variance_ratio, gradient_energy_ratio (on u), coarse_v_variance_ratio (on v/4)" |
| } |
|
|
