HyPyRameter 0.3.0

0.3.0— 2026-09-30

A rewrite around a pure, array-based core. The old classes still work.

Added

• hypyrameter.compute(cube, wavelengths, names, progress=None): evaluate any
  parameters on an image cube, a table of spectra or a single spectrum
  (wavelength axis last, nm or µm). valid_parameters(wavelengths) and the
  PARAMETERS registry (name, wavelength range, description, group,
  dependencies) replace the old introspection of class methods.
• hypyrameter.bands: band, closest_band, closest_wavelength,
  bands_between, to_nanometres, apply_bad_bands,
  fill_nans_along_spectrum (vectorised; replaces interpNans).
• hypyrameter.fits: vectorised polynomial peak / integral and spline area.
• hypyrameter.browse: browse-product definitions from a bundled CSV,
  browse_image, write_browse_products (PNG via imageio, [browse] extra).
• hypyrameter.io: read_envi, write_envi.
• parameters=[...] on both calculator classes to compute a subset.
• Point-spectra names D460, ISLOPE, IRR2 are now parameters for cubes too.
• Packaging with pyproject.toml; published on PyPI; CI on Python 3.10–3.13.

Fixed

• The band median window: kwidth=5 used to take the four bands
  [centre-2, centre+1] and wrapped around to the end of the spectrum near
  band 0. It is now the symmetric centre ± 2, clamped at the ends.
• NaN handling: parameters no longer replace NaN and ±inf with the image
  minimum; missing data stays NaN.
• BDI1000VIS declares its dependency on RPEAK1 instead of relying on call
  order.
• RPEAK1_2 and the point-spectrum BDI1000VIS now use the same definitions
  as the cube versions (BDI1000VIS: 833–989 nm, 4th-order polynomial).

Changed

• RPEAK1_2 smooths with a Savitzky–Golay filter and fits a polynomial
  instead of a per-pixel smoothing spline (UnivariateSpline(k=5, s=0.1)).
  Peak positions agree to within a few nm on smooth spectra but are not
  bit-identical.
• Cube parameters are computed in one vectorised pass per parameter; no
  multiprocessing pools or tqdm bars. Progress goes through logging
  and the progress callback.
• cubeParamCalculator only opens tkinter dialogs when in_file / outdir
  are omitted; denoise=True now raises and points at iovf_generic.
• Optional dependencies moved to extras: [browse] (imageio),
  [denoise] (outlier-utils, tqdm, matplotlib), [notebooks]. OpenCV and
  openpyxl are no longer needed.
• hypyrameter.utils cube helpers (getBand, getBandDepth, …) delegate to
  the new core; the .sed/USGS readers and getRvalue* helpers are unchanged.

Removed

• interpNans.py, setup.py, meta.yaml, environment.yml, the conda
  recipe files and bin/browseDefinitions.xlsx (now data/browse_products.csv).

Install: pip install hypyrameter (once on PyPI) or pip install https://github.com/Michael-S-Phillips/HyPyRameter/releases/download/v0.3.0/hypyrameter-0.3.0-py3-none-any.whl

HyPyRameter v0.2.0

First release of HyPyRameter ahead of publication.

Full Changelog: https://github.com/Michael-S-Phillips/HyPyRameter/commits/v0.2.0