| adjacent | Run an adjacency and boundary strength analysis |
| aggplot | Plot aggregated reflectance spectra |
| aggspec | Aggregate reflectance spectra |
| as.rimg | Convert data to an rimg object |
| as.rimg.cimg | Convert data to an rimg object |
| as.rimg.default | Convert data to an rimg object |
| as.rspec | Convert data to an rspec object |
| axistetra | Plot reference axes in a static tetrahedral colourspace |
| bootcoldist | Bootstrap colour distance confidence intervals |
| classify | Identify colour classes in an image for adjacency analyses |
| coldist | Colour distances |
| colspace | Model spectra in a colorspace |
| explorespec | Plot spectral curves |
| flowers | Reflectance spectra from a suite of native Australian flowers, collected around Cairns, Queensland. |
| flux2irrad | Converts between irradiance and photon (quantum) flux |
| getimg | Import image data |
| getspec | Import spectra files |
| img_conversion | Convert images between class rimg and cimg or magick-image |
| irrad2flux | Converts between irradiance and photon (quantum) flux |
| is.colspace | Test if object is of class 'colspace' |
| is.rimg | Convert data to an rimg object |
| is.rspec | Convert data to an rspec object |
| is.vismodel | Test if object is of class 'vismodel' |
| jnd2xyz | Convert JND distances into perceptually-corrected Cartesian coordinates |
| legendtetra | Add legend to a static tetrahedral colourspace |
| merge.rspec | Merge two rspec objects |
| peakshape | Peak shape descriptors |
| plot.colspace | Plot spectra in a colourspace |
| plot.rimg | Plot unprocessed or colour-classified images |
| plot.rspec | Plot spectra |
| plot.sensmod | Plot absorbance spectra from 'sensmodel()' |
| plotsmooth | Plot loess smoothed curves |
| points.colspace | Plot points in a colourspace |
| procimg | Process images |
| procspec | Process spectra |
| projplot | 2D projection of a tetrahedral colourspace |
| projpoints | 2D projection of a tetrahedral colourspace |
| rimg2cimg | Convert images between class rimg and cimg or magick-image |
| rimg2magick | Convert images between class rimg and cimg or magick-image |
| sensdata | Retrieve or plot in-built spectral sensitivity data |
| sensmodel | Modeling spectral sensitivity |
| sicalis | Spectral curves from three body regions of stripe-tailed yellow finch (_Sicalis citrina_) males |
| simulate_spec | Simulate a spectrum |
| spec2rgb | Spectrum to rgb colour conversion |
| subset.colspace | Subset rspec, vismodel, and colspace objects |
| subset.rspec | Subset rspec, vismodel, and colspace objects |
| subset.vismodel | Subset rspec, vismodel, and colspace objects |
| summary.colspace | Colourspace data summary |
| summary.rimg | Image summary |
| summary.rspec | Colourimetric variables |
| summary.vismodel | Visual model summary |
| tcsplot | Interactive plot of a tetrahedral colourspace |
| tcspoints | Interactive plot of a tetrahedral colourspace |
| tcsvol | Interactive plot of a tetrahedral colourspace |
| teal | Angle-resolved reflectance data for the iridescent wing patch of a male green-winged teal (_Anas carolinensis_) |
| vismodel | Visual models |
| vol | Plot a tetrahedral colour space |
| voloverlap | Colour volume overlap |