The hardware and bandwidth for this mirror is donated by METANET, the Webhosting and Full Service-Cloud Provider.
If you wish to report a bug, or if you are interested in having us mirror your free-software or open-source project, please feel free to contact us at mirror[@]metanet.ch.

NEWS for colorSpec package

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]

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.