Changes in version 0.5.1                        

  - Add sun_hourly_ozone.spct with simulated spectral data for
    terrestrial solar radiation computed for climatology mean ozone
    column and for a 20% depletion, both under clear sky.
  - Add sun_elevation.spct with spectral data from TUV simulations under
    clear sky conditions for different sun elevation angles.
  - Add four_days_1min.data containing data for photon irradiances of
    UV-B, UV-A2, UV-A1, Blue, Red, Far-red and PAR and energy irradiance
    of global radiation for four days logged at a frequency of 1 min.

                 Changes in version 0.5.0 (2024-04-01)                  

This update may break some existing code because of changes to naming of
factor levels and addition of attributes.

  - Fix scaling error (106) in ASTM E490 AM0 spectrum included in
    sun_reference.mspct.
  - Rebuild data objects with 'photobiology' 0.11.2 adding metadata and
    spct.idx when previsously missing.
  - Add some examples to documentation.

                 Changes in version 0.4.1 (2019-03-27)                  

  - Rebuild data objects with 'photobiology' 0.9.26 to fix minor bugs.
  - Replace non-ASCII characters in documentation.

                 Changes in version 0.4.0 (2018-02-27)                  

  - Group reference spectra into a collection.
  - Rebuild all data objects adding metadata.
  - New vignette.
  - First CRAN version.

                        Changes in version 0.3.7                        

  - Convert vignette to R markdown.
  - Use 'pkgdown'.

                        Changes in version 0.3.6                        

  - Update for 'photobiology' 0.9.1, 'ggspectra' 0.1.0 and
    'ggplot2' 2.0.0.

  - Add irradiance example time-series data.

                        Changes in version 0.3.5                        

  - Rebuild with 'photobiology' 0.8.5.

                        Changes in version 0.3.4                        

  - Add gap.mspct data.

                        Changes in version 0.3.3                        

  - Rebuild with 'photobiology' 0.8.0.

                        Changes in version 0.3.2                        

  - Added hourly spectral data for August.
  - Updated vignette.

                        Changes in version 0.3.1                        

  - Added hourly spectral data.
  - Updated vignette with an example of the use of these data.

                        Changes in version 0.3.0                        

  - Data rebuilt with 'photobiology' 0.6.0

                        Changes in version 0.2.1                        

  - Updated required version of 'photobiology' package to 0.5.15
  - Edited the vignette to use new high level functions from
    'photobiologygg' 0.2.8

                        Changes in version 0.2.0                        

  - Updated required version of 'photobiology' package to 0.5.7
  - Edited the vignette to use new high level functions from
    'photobiologygg' 0.2.5

                        Changes in version 0.1.4                        

  - Updated required version of 'photobiology' package.

                        Changes in version 0.1.3                        

  - Edited the script to use .spct as name tag for spectra instead of
    .dt.
  - Rebuilt with current versions of 'photobiology' and 'MayaCalc'
    packages.
  - Edited the vignette to make use of the new function
    plot.source.spct() specializing the plot() generic.

                        Changes in version 0.1.2                        

  - Now spectra are in data.frame and data.table compatible
    "source.spct" objects.

                        Changes in version 0.1.1                        

  - Added several standard spectra for extraterrestrial and terrestrial
    solar spectrum from WMO and ASTM. All data frames now include both
    spectral photon irradiance and spectral energy irradiance values.

                        Changes in version 0.1.0                        

  - Just one example spectrum.