A_internal_label        Absorbance axis labels
Rfr_specular_label      Reflectance axis labels
SI_pl_format            Formatter for plain labels discounting for SI
                        multipliers
SI_tg_format            Formatter for tagged labels using SI
                        multipliers
Tfr_internal_label      Transmittance axis labels
black_or_white          Chose black vs. white color based on weighted
                        mean of RGB channels
color_chart             Create a color checker chart
counts_label            Raw-counts axis labels
cps_label               Counts-per-second axis labels
exponent2prefix         SI unit prefixes
geom_spct               Spectral data plots.
ggplot                  Create a new ggplot plot from spectral data.
ggspectra-package       ggspectra: Extensions to 'ggplot2' for
                        Radiation Spectra
ggtitle_spct            Add title to a spectral plot
multiplot               Multiple plot function
plot.calibration_spct   Plot method for spectral irradiation
                        calibrations.
plot.cps_spct           Plot method for spectra expressed as detector
                        counts per second.
plot.filter_spct        Plot method for filter spectra.
plot.object_spct        Plot method for object spectra.
plot.raw_spct           Plot method for spectra expressed as raw
                        detector counts.
plot.reflector_spct     Plot method for reflector spectra.
plot.response_spct      Plot method for response spectra.
plot.source_spct        Plot method for light-source spectra.
plot.waveband           Plot method for waveband objects.
s.e.irrad_label         spectral irradiance axis labels
s.e.response_label      spectral response axis labels
scale_x_wl_continuous   Wavelength x-scale
scale_y_A_internal_continuous
                        Absorbance y-scale
scale_y_Rfr_specular_continuous
                        Reflectance y-scale
scale_y_Tfr_internal_continuous
                        Transmittance y-scale
scale_y_counts_continuous
                        Raw-counts y-scale
scale_y_cps_continuous
                        Counts-per-second y-scale
scale_y_s.e.irrad_continuous
                        Spectral irradiance y-scale
scale_y_s.e.response_continuous
                        Spectral response y-scale
sec_axis_w_number       Secondary axes for wavelengths
stat_color              Calculate colours from wavelength.
stat_label_peaks        Label peaks and valleys.
stat_peaks              Find peaks and valleys.
stat_wb_box             Draw colour boxes for wavebands
stat_wb_column          Integrate ranges under curve.
stat_wb_contribution    Integrate ranges under spectral curve.
stat_wb_hbar            Integrate ranges under curve.
stat_wb_irrad           Integrate irradiance for wavebands.
stat_wb_label           Label ranges under spectral curve.
stat_wb_mean            Integrate ranges under curve.
stat_wb_relative        Integrate ranges under spectral curve.
stat_wb_sirrad          Integrate spectral irradiance for wavebands.
stat_wb_total           Integrate ranges under spectral curve.
stat_wl_strip           Calculate colours from wavelength.
stat_wl_summary         Average area under curve for regions.
w_length_label          Wave- axis labels
w_number                Wavelength conversions
