{"content": "winding (spiral) fitter input fields (ufsm src/fit.h), the input of ufsm fit -> ufsm wraps (tifxyz surfaces)",
 "scroll": "PHerc0175B", "scan": "20250521125822-8.640um-1.2m-116keV-masked", "source": "https://dl.ash2txt.org/community-uploads/forrest/volcomp/PHerc0175B/volumes/20250521125822-8.640um-1.2m-116keV-masked.zarr level 0", "input_um": 8.64, "input_level": 0, "input_voxel_um": 8.64,
 "model": "ufsm prod96 winding / unwrap net (9.6 um, 10.7M params, task unwrap), checkpoint step 94872, EMA weights",
 "fit_h": 2, "field_voxel_um": 17.28, "field_origin_zyx_input_voxels": [0, 0, 0], "window": 640, "halo": 64,
 "codec": "zarr v3, sharding_indexed 512^3 shards of 128^3 chunks (losslessly repacked from predict's 128^3 shards by ufsm repack), inner codec volcomp lossy q 8 (all 10 planes)",
 "planes": {"pc": "phase cos: 128 + 127 * mean(2 sigma - 1) of the phase-cos channel over material voxels of the cell (fill 128)",
            "ps": "phase sin: as pc for the phase-sin channel (fill 128)",
            "t0": "n n^T xx: 255 * clamp(mean decoded diagonal)", "t1": "n n^T yy", "t2": "n n^T zz",
            "t3": "n n^T off-diagonal: 255 * clamp(0.5 + mean(sigma - 0.5))", "t4": "n n^T off-diagonal", "t5": "n n^T off-diagonal",
            "sp": "sheet spacing code: round(8 / (h * rho)), rho = winding density per input voxel (0 = unknown)",
            "w": "material fraction of the cell (CT > 0) * 255"},
 "produced": "2026-10-17 on an RTX 5080 (ufsm 7ae7a47 + predict --fit-q / --no-out / slab ring + repack, branch podbatch-fitq 7dafc9e)"}