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NEWS for colorSpec package

Changes for version 1.8-0 [2025-06-08]

• added function referenceSpectraTM30()

Changes for version 1.7-0 [2025-02-11]

• rewrote functions probeOptimalColors(), sectionOptimalColors(), and computeADL() to use package zonohedra, which is a new Import
• rewrote functions plotOptimals3D() and plotOptimals2D() to use package zonohedra
• added new functions sectionSchrodingerColors(), insideSchrodingerColors(), and insideOptimalColors()
• added new function computeTM30() for creating ANSI/IES TM-30 reports

Changes for version 1.6-0 [2025-01-15]

• added function computeCRIdata() and improved the capability of computeCRI()
• all logging done with package logger, which is imported
• improved the wording of some logged messages

Changes for version 1.5-0 [2024-01-28]

• moved initialization of colorSpec options from .onAttach() to .onLoad(), so colorSpec can be used without attaching it; thanks to Pedro Aphalo
• fixed some internal warnings about partial argument match; thanks to Pedro Aphalo
• fixed dimnames() problem in test-organization.R
• removed exportClasses directive

Changes for version 1.4-0 [2022-05-04]

• in function calibrate() added new option for response that is compliant with ASTM and CIE
• modified relevant vignettes to use the new calibration option
• in the man pages, changed mentions of vignettes to hyperlinks
• inactivated some (possibly) invalid URLs
• in User Guide vignette, fixed embedded table problem by replacing cat() with knitr::raw_html()
• increased width of User Guide vignette to match the width of embedded tables
• moved packages MASS and spacesXYZ from Imports to Suggests

Changes for version 1.3-0 [2021-12-20]

• when reading .sp files, use value of MEAS_TYPE to assign the colorSpec quantity
• when reading .sp files, divide spectral values by SPECTRAL_NORM
• fix undefined color problem in some vignettes, caused by change in TeX package xcolor

Changes for version 1.2-1 [2020-04-01]

• in function invert() added new method='TLSS', and updated the vignette Estimating a Spectrum from its Response - Inverse Colorimetry
• in function plot() added new argument type, with custom option type='step', and updated the vignette Convexity and Transitions
• added a README file

Changes for version 1.1-1 [2019-12-07]

• added fix to rotateOrganization() in file test-organization.R; for upcoming change to class(a matrix) in R v 4.0, and when environment variable R_CLASS_MATRIX_ARRAY is set to non-empty

Changes for version 1.0-1 [2019-06-24]

• added new vignette Convexity and Transitions - a strict examination of the CIE inverted-U
• added new functions bandMaterial() and bandRepresentation()
• added new function canonicalOptimalColors()
• added new function responsivityMetrics()
• more efficient computation of zonohedra
• now Suggests package quadprog

Changes for version 0.9-1 [2019-05-31]

• restored missing .R files in folder /inst/doc
• fixed NOTE: “found 1 marked UTF-8 string”
• in computeCCT() suppress warning when spectrum is all 0s

Changes for version 0.8-2 [2019-03-03]

• moved most CCT-related functions to package spacesXYZ, which is now imported
• in probeOptimalColors(), changed to zonohedral representation of the color solid.
• added function sectionOptimalColors()
• changed argument list for plotOptimals3D()
• added function plotOptimals2D()
• in planckSpectra() changed constant c2 unit from nmK to mK to agree with the rest of the literature
• moved RGB-related functions to package spacesRGB, which is now Suggested
• package minpack.lm is no longer needed, or Imported
• added function computeSSI(), requested by Alex Forsythe
• add new theoretical camera ACES.RGB = ACES Reference Input Capture Device, from S-2008-001 Academy Color Encoding Specification.
• added 2 bonus spectra from EBU TECH 3355 - Method for the Assessment of the Colorimetric Properties of Luminaires
• add more keys to recognize CGATS files
• fixed documentation error regarding readSpectraCGATS()
• bug fix in plot(). Spectra with NA values are now skipped.
• in all calls to sprintf(), changed %d to %g, unless obviously integral. Bug found by Dean Attali.

Changes for version 0.7-5 [2018-11-19]

• add new function invert() plus new vignette Estimating a Spectrum from its Response - Inverse Colorimetry
• add new function rectangularMaterial()
• in computeCCT() etc., add new method 'mccamy'
• now Suggests package rootSolve

Changes for version 0.7-3 [2018-04-01]

• add new function actinometric()
• add new function as.data.frame()
• add new function atmosTransmittance()
• add new function CCTfromuv()
• add new functions is.actinometric() and is.radiometric()
• add new function ptransform(), and use it to compute BT.709.RGB and Adobe.RGB
• add new function emulate()
• add new function as.colorSpec()
• add new vignette Emulation of one Camera by another Camera
• add new vignette Photon Counting
• add built-in object luminsivity.1nm
• add new spectra files moths.txt and sunglasses.txt
• add new spectra files Philips-HPS.txt, solar-exposure.txt, P4-phosphor-JEDEC.txt, and Cree-LED.txt
• add “featured functions” to all vignettes
• spectral quantity power is deprecated, and replaced by energy. power still works, but will eventually be removed.
• in colorSpec(), add argument specnames
• in resample(), add arguments extrapolation and clamp
• in photometric() add arguments photopic, scotopic, and multiplier
• in cs.options(), partial matching of the option name is enabled
• in radiometric(), add arguments multiplier and warn
• in metadata()<- add argument add
• in extradata()<- add argument add, and allow value to be NULL
• in product(), add argument integration, and added an ambiguity warning
• in summary(), the displayed Integral now works for irregular wavelengths
• in summary(), print attribute ptransform if present
• in plotPatchesRGB(), allow background to be linear RGB, fixed bug for shape
• in planckSpectra(), added new argument c2
• in computeCCT() and CCTfromXYZ() and CCTfromuv(), added new arguments method, strict, and c2
• in computeCRI(), CCT is now computed with method='lm'
• in calibrate(), fix special case when there is only 1 spectrum
• in plot(), fixed warning when ylab is an expression
• in bind(), fixed bug when binding the extradata
• colorSpec options are now stored in the global option list, and start with 'colorSpec.'
• in vignette Phenol Red - pH Indicator, now display RGB matrix explicity, both before and after scaling
• additions and improvements to colorSpec User Guide
• now Imports package minpack.lm

Changes for version 0.6-2 [2017-12-03]

• bug fix: print.colorSpec() and summary.colorSpec() were sending output to stderr(), instead of stdout()
• improved reading of CGATS files with standard whitespace convention
• in all sample CGATS files, changed spaces in field names to underscores

Changes for version 0.6-1 [2017-11-16]

• renamed proofs.Rmd to proofs.txt - to avoid “Files named as vignettes but with no recognized vignette engine:”

Changes for version 0.6 [2017-11-16]

• updated colorSpec-guide.odt to colorSpec-guide.Rmd (rmarkdown v 2)
• for physical models in colorSpec-guide.Rmd, replaced \(L^2\) by \(L^\infty\) and \(L^1\), and added proofs
• added 4 new files with reflectance spectra
• added new function interpolate()
• added new vignette - an investigation of phenol red
• in plot.colorSpec(), compute automatic margin line for ylab, depending on the width of y-axis labels
• in bind.colorSpec(), add check for distinct specnames()
• bug fix to "extradata<-.colorSpec"; specnames() was not being preserved
• in logging mechanism, changed output from stdout() to stderr(), for better compatibility with RStudio
• export function readCGATS(), for easy access to non-spectral data in CGATS files

Changes for version 0.5-3 [2016-05-16]

• Fixed filename case problem on non-Windows platforms and resubmitted

Changes for version 0.5-2 [2016-05-15]

• Fixed 2 NOTEs and resubmitted

Version: 0.5-1 [2016-05-14, the first submission]

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They may not be fully stable and should be used with caution. We make no claims about them.
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