{
  "_id": "6a180499acfb0bcc41dac980",
  "Package": "tripack",
  "Version": "1.3-9.3",
  "Title": "Triangulation of Irregularly Spaced Data",
  "Authors@R": "c(person(\"Albrecht\", \"Gebhardt\", role = c(\"aut\", \"cre\", \"cph\"),\nemail = \"albrecht.gebhardt@aau.at\",\ncomment = \"R functions\"),\nperson(\"R. J.\", \"Renka\", role = c(\"aut\"),\ncomment = \"author of underlying Fortran code\"),\nperson(\"Stephen\", \"Eglen\", role = c(\"aut\",\"cph\"),\nemail = \"stephen@anc.ed.ac.uk\",\ncomment = \"contributions\"),\nperson(\"Sergej\", \"Zuyev\", role = c(\"aut\",\"cph\"),\nemail = \"sergei@stams.strath.ac.uk\",\ncomment = \"contributions\"),\nperson(\"Denis\", \"White\", role = c(\"aut\",\"cph\"),\nemail = \"white.denis@epamail.epa.gov\",\ncomment = \"contributions\"))",
  "Maintainer": "Albrecht Gebhardt <albrecht.gebhardt@aau.at>",
  "Description": "A constrained two-dimensional Delaunay triangulation\npackage providing both triangulation and generation of voronoi\nmosaics of irregular spaced data. Please note that most of the\nfunctions are now also covered in package interp, which is a\nre-implementation from scratch under a free license based on a\ndifferent triangulation algorithm.",
  "License": "file LICENSE",
  "Date": "2025-06-02",
  "NeedsCompilation": "yes",
  "License_restricts_use": "yes",
  "Packaged": {
    "Date": "2026-05-28 08:59:23 UTC",
    "User": "root"
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  "Author": "Albrecht Gebhardt [aut, cre, cph] (R functions), R. J. Renka\n[aut] (author of underlying Fortran code), Stephen Eglen [aut,\ncph] (contributions), Sergej Zuyev [aut, cph] (contributions),\nDenis White [aut, cph] (contributions)",
  "Repository": "https://cran.r-universe.dev",
  "Date/Publication": "2025-06-02 13:10:02 UTC",
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    "cells",
    "circles",
    "circum",
    "circumcircle",
    "convex.hull",
    "identify.tri",
    "in.convex.hull",
    "left",
    "neighbours",
    "on.convex.hull",
    "outer.convhull",
    "plot.tri",
    "plot.voronoi",
    "plot.voronoi.polygons",
    "print.summary.tri",
    "print.summary.voronoi",
    "print.tri",
    "print.voronoi",
    "summary.tri",
    "summary.voronoi",
    "tri.dellens",
    "tri.find",
    "tri.mesh",
    "triangles",
    "voronoi.area",
    "voronoi.findrejectsites",
    "voronoi.mosaic",
    "voronoi.polygons"
  ],
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      "name": "circtest",
      "title": "circtest / sample data",
      "object": "circtest",
      "file": "circtest.rda",
      "class": [
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "circtest2",
      "title": "circtest / sample data",
      "object": "circtest2",
      "file": "circtest2.rda",
      "class": [
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "tritest",
      "title": "tritest / sample data",
      "object": "tritest",
      "file": "tritest.rda",
      "class": [
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "tritest2",
      "title": "tritest / sample data",
      "object": "tritest2",
      "file": "tritest2.rda",
      "class": [
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "add.constraint",
      "title": "Add a constraint to an triangulaion object",
      "topics": [
        "add.constraint"
      ]
    },
    {
      "page": "cells",
      "title": "extract info about voronoi cells",
      "topics": [
        "cells"
      ]
    },
    {
      "page": "circles",
      "title": "plot circles",
      "topics": [
        "circles"
      ]
    },
    {
      "page": "circtest",
      "title": "circtest / sample data",
      "topics": [
        "circtest",
        "circtest2"
      ]
    },
    {
      "page": "circum",
      "title": "Determine the circumcircle of a triangle",
      "topics": [
        "circum"
      ]
    },
    {
      "page": "circumcircle",
      "title": "Determine the circumcircle of a set of points",
      "topics": [
        "circumcircle"
      ]
    },
    {
      "page": "convex.hull",
      "title": "Return the convex hull of a triangulation object",
      "topics": [
        "convex.hull"
      ]
    },
    {
      "page": "identify.tri",
      "title": "Identify points in a triangulation plot",
      "topics": [
        "identify.tri"
      ]
    },
    {
      "page": "in.convex.hull",
      "title": "Determines if points are in the convex hull of a triangulation object",
      "topics": [
        "in.convex.hull"
      ]
    },
    {
      "page": "left",
      "title": "Determines whether given points are left of a directed edge.",
      "topics": [
        "is.left.of",
        "left"
      ]
    },
    {
      "page": "neighbours",
      "title": "List of neighbours from a triangulation object",
      "topics": [
        "neighbours"
      ]
    },
    {
      "page": "on.convex.hull",
      "title": "Determines if points are on the convex hull of a triangulation object",
      "topics": [
        "on.convex.hull"
      ]
    },
    {
      "page": "outer.convhull",
      "title": "Version of outer which operates only in a convex hull",
      "topics": [
        "outer.convhull"
      ]
    },
    {
      "page": "plot.tri",
      "title": "Plot a triangulation object",
      "topics": [
        "plot.tri"
      ]
    },
    {
      "page": "plot.voronoi",
      "title": "Plot a voronoi object",
      "topics": [
        "plot.voronoi"
      ]
    },
    {
      "page": "plot.voronoi.polygons",
      "title": "plots an voronoi.polygons object",
      "topics": [
        "plot.voronoi.polygons"
      ]
    },
    {
      "page": "print.summary.tri",
      "title": "Print a summary of a triangulation object",
      "topics": [
        "print.summary.tri"
      ]
    },
    {
      "page": "print.summary.voronoi",
      "title": "Print a summary of a voronoi object",
      "topics": [
        "print.summary.voronoi"
      ]
    },
    {
      "page": "print.tri",
      "title": "Print a triangulation object",
      "topics": [
        "print.tri"
      ]
    },
    {
      "page": "print.voronoi",
      "title": "Print a voronoi object",
      "topics": [
        "print.voronoi"
      ]
    },
    {
      "page": "summary.tri",
      "title": "Return a summary of a triangulation object",
      "topics": [
        "summary.tri"
      ]
    },
    {
      "page": "summary.voronoi",
      "title": "Return a summary of a voronoi object",
      "topics": [
        "summary.voronoi"
      ]
    },
    {
      "page": "tri",
      "title": "A triangulation object",
      "topics": [
        "tri"
      ]
    },
    {
      "page": "tri.dellens",
      "title": "Compute the Delaunay segment lengths",
      "topics": [
        "tri.dellens"
      ]
    },
    {
      "page": "tri.find",
      "title": "Locate a point in a triangulation",
      "topics": [
        "tri.find"
      ]
    },
    {
      "page": "tri.mesh",
      "title": "Create a delaunay triangulation",
      "topics": [
        "tri.mesh"
      ]
    },
    {
      "page": "triangles",
      "title": "Extract a list of triangles from a triangulation object",
      "topics": [
        "triangles"
      ]
    },
    {
      "page": "tripack-internal",
      "title": "Internal functions",
      "topics": [
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        "tri.swap.lowlevel",
        "tri.vordist",
        "voronoi.findvertices",
        "voronoi.polyarea"
      ]
    },
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      "topics": [
        "tritest",
        "tritest2"
      ]
    },
    {
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      "title": "Voronoi object",
      "topics": [
        "voronoi"
      ]
    },
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      "page": "voronoi.area",
      "title": "Calculate area of Voronoi polygons",
      "topics": [
        "voronoi.area"
      ]
    },
    {
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      "topics": [
        "voronoi.findrejectsites"
      ]
    },
    {
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      "title": "Create a Voronoi mosaic",
      "topics": [
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      ]
    },
    {
      "page": "voronoi.polygons",
      "title": "extract polygons from a voronoi mosaic",
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    }
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