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1.4.0 (unreleased)

New Features

API Changes

Bug Fixes

  • Output 1D spectra from Background no longer include NaNs. Output 1D

spectra from BoxcarExtract no longer include NaNs when none are present in the extraction window. NaNs in the window will still propagate to BoxcarExtract's extracted 1D spectrum. [#159]

  • Backgrounds using median statistic properly ignore zero-weighted pixels

[#159]

1.3.0 (2022-12-05)

New Features

  • The new FitTrace class (see "API Changes" below) introduces the ability to take a polynomial trace of an image [#128]

API Changes

  • Renamed KosmosTrace as FitTrace, a conglomerate class for traces that are fit to images instead of predetermined [#128]
  • The default number of bins for FitTrace is now its associated image's number of dispersion pixels instead of 20. Its default peak_method is now 'max' [#128]
  • All operations now accept Spectrum1D and Quantity-type images. All accepted image types are now processed internally as Spectrum1D objects [#144, #154]
  • All operations' image attributes are now coerced Spectrum1D objects [#144, #154]
  • HorneExtract can now handle non-flat traces [#148]

Bug Fixes

  • Fixed passing a single Trace object to Background [#146]
  • Moved away from creating image masks with numpy's mask_invalid() function after change to upstream API. This will make specreduce be compatible with numpy 1.24 or later. [#155]

1.2.0 (2022-10-04)

New Features

  • Background has new methods for exposing the 1D spectrum of the background or background-subtracted regions [#143]

Bug Fixes

  • Improved errors/warnings when background region extends beyond bounds of image [#127]
  • Fixed boxcar weighting bug that often resulted in peak pixels having weight above 1 and erroneously triggered overlapping background errors [#125]
  • Fixed boxcar weighting to handle zero width and edge of image cases [#141]

1.1.0 (2022-08-18)

New Features

  • peak_method as an optional argument to KosmosTrace [#115]

API Changes

  • HorneExtract no longer requires mask and unit arguments [#105]
  • BoxcarExtract and HorneExtract now accept parameters (and require the image and trace) at initialization, and allow overriding any input parameters when calling [#117]

Bug Fixes

  • Corrected the default mask created in HorneExtract/OptimalExtract when a user doesn't specify one and gives their image as a numpy array [#118]

1.0.0 (2022-03-29)

New Features

  • Added Trace classes
  • Added basic synthetic data routines
  • Added BoxcarExtract
  • Added HorneExtract, a.k.a. OptimalExtract
  • Added basic Background subtraction

Bug Fixes

  • Update codecov-action to v2
  • Change default branch from master to main
  • Test fixes; bump CI to python 3.8 and 3.9 and deprecate support for 3.7