{
  "_id": "6a659b6128baeae240e9c32f",
  "Package": "munsellinterpol",
  "Type": "Package",
  "Title": "Interpolate Munsell Renotation Data from Hue Value/Chroma to\nCIE/RGB",
  "Version": "3.4-0",
  "Encoding": "UTF-8",
  "Date": "2026-07-03",
  "Authors@R": "c(person(given = \"Jose\", family = \"Gama\", role = c(\"aut\",\"trl\"), email = \"rxprtgama@gmail.com\"),\nperson(given = \"Paul\", family = \"Centore\", role = c(\"aut\",\"cph\"), email = \"centore@99main.com\"),\nperson(given = \"Glenn\", family = \"Davis\", role = c(\"aut\",\"cre\"), email = \"gdavis@gluonics.com\")  )",
  "Description": "Methods for interpolating data in the Munsell color system\nfollowing the ASTM D-1535 standard. Hues and chromas with\ndecimal values can be interpolated and converted to/from the\nMunsell color system and CIE xyY, CIE XYZ, CIE Lab, CIE Luv, or\nRGB.  Includes ISCC-NBS color block lookup.  Based on the work\nby Paul Centore, \"The Munsell and Kubelka-Munk Toolbox\".",
  "License": "GPL (>= 3)",
  "LazyLoad": "yes",
  "LazyData": "yes",
  "Author": "Jose Gama [aut, trl], Paul Centore [aut, cph], Glenn Davis\n[aut, cre]",
  "Maintainer": "Glenn Davis <gdavis@gluonics.com>",
  "NeedsCompilation": "no",
  "VignetteBuilder": "knitr",
  "BuildVignettes": "yes",
  "Packaged": {
    "Date": "2026-07-26 05:23:58 UTC",
    "User": "root"
  },
  "Repository": "https://glenndavis52.r-universe.dev",
  "Date/Publication": "2026-07-03 14:30:02 UTC",
  "RemoteUrl": "https://github.com/cran/munsellinterpol",
  "RemoteRef": "HEAD",
  "RemoteSha": "539145b8924bb1b7bb42d3bd519ac4b42a8a74a1",
  "_user": "glenndavis52",
  "_type": "src",
  "_file": "munsellinterpol_3.4-0.tar.gz",
  "_fileid": "https://r2.ropensci.org/405d7e0d14ab216513660cc057b4b3064a2d57c9c37330d5a08edf82b792e6a7",
  "_filesize": 2726676,
  "_sha256": "405d7e0d14ab216513660cc057b4b3064a2d57c9c37330d5a08edf82b792e6a7",
  "_expires": "2026-11-03T05:30:06.000Z",
  "_created": "2026-07-26T05:23:58.000Z",
  "_published": "2026-07-26T05:30:09.075Z",
  "_jobs": [
    {
      "job": 89759522670,
      "time": 182,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "8628034863"
    },
    {
      "job": 89759522672,
      "time": 200,
      "config": "linux-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8628037402"
    },
    {
      "job": 89759522667,
      "time": 113,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "8628027961"
    },
    {
      "job": 89759522668,
      "time": 149,
      "config": "macos-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8628054953"
    },
    {
      "job": 89759217403,
      "time": 242,
      "config": "source",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8628008138"
    },
    {
      "job": 89759522677,
      "time": 117,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "8628025688"
    },
    {
      "job": 89759522678,
      "time": 133,
      "config": "windows-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "8628027828"
    },
    {
      "job": 89759522688,
      "time": 152,
      "config": "windows-oldrel-x86_64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "8628030688"
    },
    {
      "job": 89759522694,
      "time": 141,
      "config": "windows-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8628030104"
    }
  ],
  "_host": "GitHub-Actions",
  "_buildurl": "https://github.com/r-universe/glenndavis52/actions/runs/30189209324",
  "_status": "success",
  "_upstream": "https://github.com/cran/munsellinterpol",
  "_commit": {
    "id": "539145b8924bb1b7bb42d3bd519ac4b42a8a74a1",
    "author": "Glenn Davis <gdavis@gluonics.com>",
    "committer": "cran-robot <csardi.gabor+cran@gmail.com>",
    "message": "version 3.4-0\n",
    "time": 1783089002
  },
  "_maintainer": {
    "name": "Glenn Davis",
    "email": "gdavis@gluonics.com",
    "login": "glenndavis52",
    "description": "",
    "uuid": 41178538
  },
  "_distro": "resolute",
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 3.5.0",
      "role": "Depends"
    },
    {
      "package": "rootSolve",
      "role": "Imports"
    },
    {
      "package": "spacesRGB",
      "role": "Imports"
    },
    {
      "package": "spacesXYZ",
      "version": ">= 1.6-0",
      "role": "Imports"
    },
    {
      "package": "logger",
      "role": "Imports"
    },
    {
      "package": "microbenchmark",
      "role": "Suggests"
    },
    {
      "package": "mgcv",
      "role": "Suggests"
    },
    {
      "package": "knitr",
      "role": "Suggests"
    },
    {
      "package": "rmarkdown",
      "role": "Suggests"
    },
    {
      "package": "colorSpec",
      "version": ">= 1.8-0",
      "role": "Suggests"
    },
    {
      "package": "flextable",
      "role": "Suggests"
    },
    {
      "package": "OxSR",
      "role": "Suggests"
    }
  ],
  "_owner": "cran",
  "_selfowned": true,
  "_usedby": 2,
  "_updates": [
    {
      "week": "2026-11",
      "n": 1
    },
    {
      "week": "2026-27",
      "n": 1
    }
  ],
  "_tags": [
    {
      "name": "3.3-2",
      "date": "2026-03-12"
    },
    {
      "name": "3.4-0",
      "date": "2026-07-03"
    }
  ],
  "_stars": 2,
  "_contributors": [
    {
      "user": "glenndavis52",
      "count": 14,
      "uuid": 41178538
    }
  ],
  "_userbio": {
    "uuid": 41178538,
    "type": "user",
    "name": "glenndavis52",
    "followers": 2
  },
  "_downloads": {
    "count": 571,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/munsellinterpol"
  },
  "_searchresults": 48,
  "_rbuild": "4.6.1",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/munsellinterpol.html",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "manual.pdf"
  ],
  "_realowner": "glenndavis52",
  "_cranurl": false,
  "_releases": [
    {
      "version": "1.0.1",
      "date": "2014-06-11"
    },
    {
      "version": "1.0.2",
      "date": "2015-07-23"
    },
    {
      "version": "2.0.1",
      "date": "2018-06-07"
    },
    {
      "version": "2.1-3",
      "date": "2018-07-27"
    },
    {
      "version": "2.2-1",
      "date": "2019-01-30"
    },
    {
      "version": "2.3-1",
      "date": "2019-04-21"
    },
    {
      "version": "2.4-1",
      "date": "2019-05-16"
    },
    {
      "version": "2.5-1",
      "date": "2019-07-20"
    },
    {
      "version": "2.6-1",
      "date": "2020-02-02"
    },
    {
      "version": "2.7-1",
      "date": "2021-12-10"
    },
    {
      "version": "2.8-2",
      "date": "2022-03-04"
    },
    {
      "version": "3.0-0",
      "date": "2022-04-08"
    },
    {
      "version": "3.1-0",
      "date": "2025-01-19"
    },
    {
      "version": "3.2-0",
      "date": "2025-06-18"
    },
    {
      "version": "3.3-2",
      "date": "2026-03-12"
    },
    {
      "version": "3.4-0",
      "date": "2026-07-03"
    }
  ],
  "_exports": [
    "ColorBlockFromMunsell",
    "ColorlabFormatToMunsellSpec",
    "HueNumberFromString",
    "HueStringFromNumber",
    "HVCfromMunsellName",
    "IsWithinMacAdamLimits",
    "LabtoMunsell",
    "LabToMunsell",
    "LuvtoMunsell",
    "LuvToMunsell",
    "MunsellHVC",
    "MunsellNameFromHVC",
    "MunsellSpecToColorlabFormat",
    "MunsellToLab",
    "MunsellToLuv",
    "MunsellToRGB",
    "MunsellTosRGB",
    "MunsellToxyY",
    "MunsellToXYZ",
    "NickersonColorDifference",
    "plotLociHC",
    "plotPatchesH",
    "RGBtoMunsell",
    "roundHVC",
    "sRGBtoMunsell",
    "VfromY",
    "xyYtoMunsell",
    "XYZtoMunsell",
    "YfromV"
  ],
  "_datasets": [
    {
      "name": "CentroidsISCCNBS",
      "title": "Centroid Notations for the Revised ISCC-NBS Color-Name Blocks",
      "object": "munsellinterpol",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Number",
        "Name",
        "MunsellSpec"
      ],
      "rows": 267,
      "table": true,
      "tojson": true
    },
    {
      "name": "Munsell2xy",
      "title": "The Munsell HVC to xy 3D Lookup Table",
      "object": "munsellinterpol",
      "class": [
        "data.frame"
      ],
      "fields": [
        "H",
        "V",
        "C",
        "x",
        "y",
        "real"
      ],
      "rows": 4995,
      "table": true,
      "tojson": true
    },
    {
      "name": "MunsellBooks",
      "title": "The Munsell Chips present in Specialized and Full Munsell Books",
      "object": "munsellinterpol",
      "class": [
        "data.frame"
      ],
      "fields": [
        "HVC",
        "FergusonName",
        "bead",
        "newstudent",
        "plant",
        "rock",
        "soil",
        "glossy",
        "matte"
      ],
      "rows": 1753,
      "table": false,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "CentroidsISCCNBS",
      "title": "Centroid Notations for the Revised ISCC-NBS Color-Name Blocks",
      "topics": [
        "CentroidsISCCNBS"
      ]
    },
    {
      "page": "ColorBlockFromMunsell",
      "title": "Get ISCC-NBS Number and ISCC-NBS Name from Munsell HVC or Munsell Notation",
      "topics": [
        "ColorBlockFromMunsell"
      ]
    },
    {
      "page": "ColorlabFormatToMunsellSpec",
      "title": "Convert Colorlab Munsell Format to Munsell HVC",
      "topics": [
        "ColorlabFormatToMunsellSpec"
      ]
    },
    {
      "page": "HVCfromMunsellName",
      "title": "Convert Munsell Notation to numerical Munsell HVC",
      "topics": [
        "HueNumberFromString",
        "HVCfromMunsellName",
        "MunsellHVC"
      ]
    },
    {
      "page": "IsWithinMacAdamLimits",
      "title": "Test xyY Coordinates for being Inside the MacAdam Limits",
      "topics": [
        "IsWithinMacAdamLimits"
      ]
    },
    {
      "page": "LabtoMunsell",
      "title": "Convert CIE Lab coordinates to Munsell HVC",
      "topics": [
        "LabToMunsell",
        "LabtoMunsell"
      ]
    },
    {
      "page": "LuvtoMunsell",
      "title": "Convert CIE Luv coordinates to Munsell HVC",
      "topics": [
        "LuvToMunsell",
        "LuvtoMunsell"
      ]
    },
    {
      "page": "Munsell2xy",
      "title": "The Munsell HVC to xy 3D Lookup Table",
      "topics": [
        "Munsell2xy"
      ]
    },
    {
      "page": "MunsellBooks",
      "title": "The Munsell Chips present in Specialized and Full Munsell Books",
      "topics": [
        "MunsellBooks"
      ]
    },
    {
      "page": "MunsellNameFromHVC",
      "title": "Convert Munsell Numeric to Munsell String Notation",
      "topics": [
        "HueStringFromNumber",
        "MunsellNameFromHVC"
      ]
    },
    {
      "page": "MunsellSpecToColorlabFormat",
      "title": "Convert Munsell Specification to Colorlab Format",
      "topics": [
        "MunsellSpecToColorlabFormat"
      ]
    },
    {
      "page": "MunsellToLab",
      "title": "Convert a Munsell specification to CIE Lab coordinates",
      "topics": [
        "MunsellToLab"
      ]
    },
    {
      "page": "MunsellToLuv",
      "title": "Convert a Munsell specification to CIE Luv coordinates",
      "topics": [
        "MunsellToLuv"
      ]
    },
    {
      "page": "MunsellToRGB",
      "title": "Convert a Munsell specification to RGB coordinates",
      "topics": [
        "MunsellToRGB"
      ]
    },
    {
      "page": "MunsellTosRGB",
      "title": "Convert a Munsell specification to sRGB coordinates",
      "topics": [
        "MunsellTosRGB"
      ]
    },
    {
      "page": "MunsellToxyY",
      "title": "Convert Munsell HVC to xyY coordinates",
      "topics": [
        "MunsellToxyY"
      ]
    },
    {
      "page": "MunsellToXYZ",
      "title": "Convert a Munsell specification to CIE XYZ coordinates",
      "topics": [
        "MunsellToXYZ"
      ]
    },
    {
      "page": "NickersonColorDifference",
      "title": "Calculate the Nickerson Color Difference between two Colors",
      "topics": [
        "NickersonColorDifference"
      ]
    },
    {
      "page": "plotLociHC",
      "title": "Plot Curves of Constant Munsell Hue and Chroma",
      "topics": [
        "plotLociHC"
      ]
    },
    {
      "page": "plotPatchesH",
      "title": "Plot Colored Patches for a fixed Munsell Hue",
      "topics": [
        "plotPatchesH"
      ]
    },
    {
      "page": "RGBtoMunsell",
      "title": "Convert RGB coordinates to Munsell HVC",
      "topics": [
        "RGBtoMunsell"
      ]
    },
    {
      "page": "round",
      "title": "Round a Given Munsell HVC to the Closest Chip in One or More Books of Chips",
      "topics": [
        "roundHVC"
      ]
    },
    {
      "page": "sRGBtoMunsell",
      "title": "Convert sRGB coordinates to Munsell HVC",
      "topics": [
        "sRGBtoMunsell"
      ]
    },
    {
      "page": "VandY",
      "title": "Convert Munsell Value V to Luminance Factor Y, and back again",
      "topics": [
        "VfromY",
        "YfromV"
      ]
    },
    {
      "page": "xyYtoMunsell",
      "title": "Convert xyY coordinates to Munsell HVC",
      "topics": [
        "xyYtoMunsell"
      ]
    },
    {
      "page": "XYZtoMunsell",
      "title": "Convert XYZ coordinates to Munsell HVC",
      "topics": [
        "XYZtoMunsell"
      ]
    }
  ],
  "_rundeps": [
    "logger",
    "rootSolve",
    "spacesRGB",
    "spacesXYZ"
  ],
  "_vignettes": [
    {
      "source": "dental.Rmd",
      "filename": "dental.html",
      "title": "Dental Shade Guides",
      "author": "Glenn Davis",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Reading and Plotting the Data",
        "Checking the Conversions",
        "ISCC-NBS Color Names",
        "References",
        "Session Information"
      ],
      "created": "2018-07-27 19:40:03",
      "modified": "2019-01-30 17:20:16",
      "commits": 2
    },
    {
      "source": "lociHC.rnw",
      "filename": "lociHC.pdf",
      "title": "Loci of Constant Hue and Chroma",
      "engine": "knitr::knitr",
      "headings": [],
      "created": "2018-06-07 16:43:13",
      "modified": "2026-03-12 18:50:25",
      "commits": 3
    },
    {
      "source": "munsellinterpol-guide.Rmd",
      "filename": "munsellinterpol-guide.html",
      "title": "munsellinterpol User Guide",
      "author": "Glenn Davis and Jose Gama",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Basics",
        "Plotting",
        "ISCC-NBS Color Names",
        "Possible Future Work",
        "References",
        "Appendix A - Munsell Renotation Details",
        "Appendix B - Munsell Renotation Discrepancies",
        "Appendix C - Inversion Details",
        "Appendix D - Glossary",
        "Appendix E - Logging",
        "Session Information"
      ],
      "created": "2018-06-07 16:43:13",
      "modified": "2025-06-18 04:40:11",
      "commits": 5
    },
    {
      "source": "soil.Rmd",
      "filename": "soil.html",
      "title": "Soil Colors",
      "author": "Glenn Davis",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Introduction",
        "Load and Plot Selected Soil Spectra",
        "A Function to Compute XYZ and HVC from Reflectance Spectra",
        "Round to the Nearest Chip in the Munsell Soil Charts",
        "Comparisons",
        "References",
        "Session Information"
      ],
      "created": "2025-06-18 04:40:11",
      "modified": "2026-07-03 14:30:02",
      "commits": 3
    },
    {
      "source": "lightness.rnw",
      "filename": "lightness.pdf",
      "title": "Uniform Lightness Scales",
      "engine": "knitr::knitr",
      "headings": [],
      "created": "2018-06-07 16:43:13",
      "modified": "2026-03-12 18:50:25",
      "commits": 2
    }
  ],
  "_score": 4.760422483423213,
  "_indexed": true,
  "_nocasepkg": "munsellinterpol",
  "_universes": [
    "glenndavis52"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "3.4-0",
      "date": "2026-07-26T05:26:13.000Z",
      "distro": "resolute",
      "commit": "539145b8924bb1b7bb42d3bd519ac4b42a8a74a1",
      "fileid": "https://r2.ropensci.org/f1e345f2289fdb8749c1509b4fe28bc1ab422f7810fd710da4f37e1c1203aaa6",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/glenndavis52/actions/runs/30189209324"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "3.4-0",
      "date": "2026-07-26T05:26:22.000Z",
      "distro": "resolute",
      "commit": "539145b8924bb1b7bb42d3bd519ac4b42a8a74a1",
      "fileid": "https://r2.ropensci.org/034bdb7f8559dacf240a42672fbaa45497e47bb0be73c3fcd8e5d19f1110b480",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/glenndavis52/actions/runs/30189209324"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "3.4-0",
      "date": "2026-07-26T05:25:52.000Z",
      "commit": "539145b8924bb1b7bb42d3bd519ac4b42a8a74a1",
      "fileid": "https://r2.ropensci.org/a227e1f7b8655aa78a327313d15678f709104eaf2e6de2a1d8133529946e92c0",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/glenndavis52/actions/runs/30189209324"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "3.4-0",
      "date": "2026-07-26T05:28:43.000Z",
      "commit": "539145b8924bb1b7bb42d3bd519ac4b42a8a74a1",
      "fileid": "https://r2.ropensci.org/18134ee02cea538d8d400ab9f952f775a700a26048f72a7f128e834dc49e04ea",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/glenndavis52/actions/runs/30189209324"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "3.4-0",
      "date": "2026-07-26T05:26:17.000Z",
      "commit": "539145b8924bb1b7bb42d3bd519ac4b42a8a74a1",
      "fileid": "https://r2.ropensci.org/7da899c46d789e57927cbfa53707d65804a31c53e854082f71d6bc0619c09185",
      "status": "success",
      "buildurl": "https://github.com/r-universe/glenndavis52/actions/runs/30189209324"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "3.4-0",
      "date": "2026-07-26T05:25:15.000Z",
      "commit": "539145b8924bb1b7bb42d3bd519ac4b42a8a74a1",
      "fileid": "https://r2.ropensci.org/fd8327e8349cae292a41b12f4dcf737434bfcda13d29ead671d39ac0e8149f3d",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/glenndavis52/actions/runs/30189209324"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "3.4-0",
      "date": "2026-07-26T05:25:24.000Z",
      "commit": "539145b8924bb1b7bb42d3bd519ac4b42a8a74a1",
      "fileid": "https://r2.ropensci.org/0a51a652ad6731884ffb13ec8bac945d4cf5a47d083deace7b79261cce08a7ec",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/glenndavis52/actions/runs/30189209324"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "3.4-0",
      "date": "2026-07-26T05:25:42.000Z",
      "commit": "539145b8924bb1b7bb42d3bd519ac4b42a8a74a1",
      "fileid": "https://r2.ropensci.org/37c4422e85cf80cc55b2225783304963d9dd257889506365f74f113ce0d26200",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/glenndavis52/actions/runs/30189209324"
    }
  ]
}