{
  "_id": "6ac8ec54de46216d5edd9335",
  "Package": "alcyon",
  "Type": "Package",
  "Title": "Spatial Network Analysis",
  "Version": "0.10.0",
  "Authors@R": "c(\nperson(given = \"Petros\",\nfamily = \"Koutsolampros\",\nemail = \"r-devel@pklampros.net\",\nrole = c(\"cre\", \"aut\"),\ncomment = c(ORCID = \"0000-0003-2842-9899\",\n\"'sala' library contributor through 'depthmapX'\")),\nperson(given = \"Fani\",\nfamily = \"Kostourou\",\nrole = c(\"ctb\"),\ncomment = c(ORCID = \"0000-0002-6544-7693\")),\nperson(given = \"Kimon\",\nfamily = \"Krenz\",\nrole = c(\"ctb\"),\ncomment = c(ORCID = \"0000-0001-6077-7282\")),\nperson(given = \"Alasdair\",\nfamily = \"Turner\",\nrole = c(\"ctb\"),\ncomment = c(\"'sala' library contributor through 'depthmapX'\")),\nperson(given = \"Tasos\",\nfamily = \"Varoudis\",\nrole = c(\"ctb\"),\ncomment = c(ORCID = \"0000-0001-7790-5623\",\n\"'sala' library contributor through 'depthmapX'\")),\nperson(given = \"Christian\",\nfamily = \"Sailer\",\nrole = c(\"ctb\"),\ncomment = c(\"'sala' library contributor through 'depthmapX'\")),\nperson(given = \"Eva\",\nfamily = \"Friedrich\",\nrole = c(\"ctb\"),\ncomment = c(\"'sala' library contributor through 'depthmapX'\")),\nperson(given = \"University College London\",\nrole = c(\"fnd\", \"cph\"),\ncomment = c(\"2015 - 2020\")),\nperson(given = \"Spacelab UK\",\nrole = \"fnd\",\ncomment = c(\"2015 - 2020\")))",
  "Description": "Interface package for 'sala', the spatial network analysis\nlibrary from the 'depthmapX' software application. The R parts\nof the code are based on the 'rdepthmap' package. Allows for\nthe analysis of urban and building-scale networks and provides\nmetrics and methods usually found within the Space Syntax\ndomain. Methods in this package are described by K. Al-Sayed,\nA. Turner, B. Hillier, S. Iida and A. Penn (2014) \"Space Syntax\nmethodology\", and also by A. Turner (2004)\n<https://discovery.ucl.ac.uk/id/eprint/2651> \"Depthmap 4: a\nresearcher's handbook\".",
  "License": "GPL-3",
  "Encoding": "UTF-8",
  "SystemRequirements": "C++17",
  "VignetteBuilder": "knitr",
  "Collate": "'generics.R' 'rcppRoxygen.R' 'helper-loadMapsRoxygen.R'\n'helper-processResult.R' 'coercion.R' 'ShapeMap.R'\n'AxialShapeGraph.R' 'AllLineShapeGraph.R' 'SegmentShapeGraph.R'\n'LatticeMap.R' 'TraversalType.R' 'AgentLookMode.R'\n'RcppExports.R' 'agentAnalysis.R' 'allFewestLineMap.R'\n'axialAnalysis.R' 'generateRandomCapString.R'\n'getTopFeatures.R' 'isovist.R' 'matchPointsToLines.R'\n'palettes.R' 'prepareVGA.R' 'readMetaGraph.R' 'refIDtoIndex.R'\n'segmentAnalysis.R' 'segmentTulipLeafChoice.R'\n'sfConversions.R' 'shapegraphToGraphData.R'\n'oneToOneTraverse.R' 'oneToAllTraverse.R' 'allToAllTraverse.R'\n'vgaLocal.R'",
  "Language": "en-GB",
  "URL": "https://github.com/spatialnous/alcyon,\nhttps://spatialnous.github.io/alcyon/",
  "Config/roxygen2/version": "8.1.0",
  "BugReports": "https://github.com/spatialnous/alcyon/issues",
  "Config/pak/sysreqs": "libabsl-dev cmake libgdal-dev gdal-bin libgeos-dev\nlibssl-dev libproj-dev libsqlite3-dev libudunits2-dev",
  "Repository": "https://spatialnous.r-universe.dev",
  "Date/Publication": "2026-10-05 21:04:16 UTC",
  "RemoteUrl": "https://github.com/spatialnous/alcyon",
  "RemoteRef": "HEAD",
  "RemoteSha": "cac9e7f4324083c54342649358a88b9778c9c4ba",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-10-09 13:14:03 UTC",
    "User": "root"
  },
  "Author": "Petros Koutsolampros [cre, aut] (ORCID:\n<https://orcid.org/0000-0003-2842-9899>, 'sala' library contributor\nthrough 'depthmapX'),\nFani Kostourou [ctb] (ORCID: <https://orcid.org/0000-0002-6544-7693>),\nKimon Krenz [ctb] (ORCID: <https://orcid.org/0000-0001-6077-7282>),\nAlasdair Turner [ctb] ('sala' library contributor through 'depthmapX'),\nTasos Varoudis [ctb] (ORCID: <https://orcid.org/0000-0001-7790-5623>,\n'sala' library contributor through 'depthmapX'),\nChristian Sailer [ctb] ('sala' library contributor through 'depthmapX'),\nEva Friedrich [ctb] ('sala' library contributor through 'depthmapX'),\nUniversity College London [fnd, cph] (2015 - 2020),\nSpacelab UK [fnd] (2015 - 2020)",
  "Maintainer": "Petros Koutsolampros <r-devel@pklampros.net>",
  "_user": "spatialnous",
  "_type": "src",
  "_file": "alcyon_0.10.0.tar.gz",
  "_fileid": "https://r2.ropensci.org/bf83209be41efe70c579190117a6bb569ff19378f202bcd79cbe4ae61cb80047",
  "_filesize": 2484707,
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  "_expires": "2027-01-17T13:29:54.000Z",
  "_created": "2026-10-09T13:14:03.000Z",
  "_published": "2026-10-09T13:29:56.077Z",
  "_buildurl": "https://github.com/r-universe/spatialnous/actions/runs/37934596752",
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    "author": "Petros Koutsolampros <commits@orange-vertex.net>",
    "committer": "Petros Koutsolampros <commits@orange-vertex.net>",
    "message": "Update to latest sala\n",
    "time": 1791234256
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    "email": "r-devel@pklampros.net",
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  "_tags": [
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    "type": "organization",
    "name": "Spatial Nous",
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  "_downloads": {
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    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/alcyon"
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  "_devurl": "https://github.com/spatialnous/alcyon",
  "_pkgdown": "https://spatialnous.github.io/alcyon/",
  "_searchresults": 19,
  "_topics": [
    "cpp",
    "openmp"
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  "_rbuild": "4.6.1",
  "_assets": [
    "extra/alcyon.html",
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/manual.pdf",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/readme.html",
    "extra/readme.md"
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  "_homeurl": "https://github.com/spatialnous/alcyon",
  "_realowner": "spatialnous",
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  "_releases": [
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  ],
  "_exports": [
    "agentAnalysis",
    "AgentLookMode",
    "allToAllTraverse",
    "axialAnalysisLocal",
    "axialToSegmentShapeGraph",
    "blockLines",
    "connections",
    "createGrid",
    "depthmap.axmanesque.colour",
    "depthmap.bluered.colour",
    "depthmap.classic.colour",
    "depthmap.grayscale.colour",
    "depthmap.nicehsb.colour",
    "depthmap.purpleorange.colour",
    "fillGrid",
    "getTopFeatures",
    "indexToRefID",
    "isovist",
    "isovist2pts",
    "linkCoords",
    "linkRefs",
    "links",
    "makeAllLineMap",
    "makeAxmanesqueColour",
    "makeBlueRedColour",
    "makeDepthmapClassicColour",
    "makeGreyScaleColour",
    "makeNiceHSBColour",
    "makePurpleOrangeColour",
    "makeVGAGraph",
    "makeVGALatticeMap",
    "matchPointsToLines",
    "name",
    "oneToAllTraverse",
    "oneToOneTraverse",
    "readMetaGraph",
    "reduceToFewest",
    "refIDtoIndex",
    "segmentTulipLeafChoice",
    "shapegraphToGraphData",
    "shapeMapToPolygonSf",
    "TraversalType",
    "unlinkAtCrossPoint",
    "unlinkCoords",
    "unlinkRefs",
    "unmakeVGAGraph",
    "vgaIsovist",
    "VGALocalAlgorithm",
    "vgaThroughVision",
    "vgaVisualLocal"
  ],
  "_help": [
    {
      "page": "agentAnalysis",
      "title": "Agent Analysis",
      "topics": [
        "agentAnalysis"
      ]
    },
    {
      "page": "AgentLookMode",
      "title": "Agent look modes.",
      "topics": [
        "AgentLookMode"
      ]
    },
    {
      "page": "alcyon-coercion",
      "title": "Coercion between sf and alcyon map classes",
      "concept": [
        "AxialShapeGraph",
        "SegmentShapeGraph",
        "ShapeMap"
      ],
      "topics": [
        "alcyon-coercion",
        "coerce,sf,AxialShapeGraph-method",
        "coerce,sf,SegmentShapeGraph-method",
        "coerce,sf,ShapeMap-method",
        "coerce,ShapeMap,AxialShapeGraph-method",
        "coerce,ShapeMap,SegmentShapeGraph-method",
        "coerce,ShapeMap,sf-method"
      ]
    },
    {
      "page": "AllLineShapeGraph-class",
      "title": "All-line Axial ShapeGraph",
      "topics": [
        "AllLineShapeGraph-class"
      ]
    },
    {
      "page": "allToAllTraverse",
      "title": "All-to-all traversal",
      "topics": [
        "allToAllTraverse"
      ]
    },
    {
      "page": "axialAnalysisLocal",
      "title": "Axial analysis - local metrics",
      "topics": [
        "axialAnalysisLocal"
      ]
    },
    {
      "page": "AxialShapeGraph_subset",
      "title": "Subset AxialShapeGraph objects",
      "topics": [
        "AxialShapeGraph_subset",
        "[.AxialShapeGraph",
        "[<-.AxialShapeGraph"
      ]
    },
    {
      "page": "AxialShapeGraph-class",
      "title": "Axial ShapeGraph",
      "concept": [
        "AxialShapeGraph"
      ],
      "topics": [
        "AxialShapeGraph",
        "AxialShapeGraph-class"
      ]
    },
    {
      "page": "axialToSegmentShapeGraph",
      "title": "Axial to Segment ShapeGraph",
      "topics": [
        "axialToSegmentShapeGraph"
      ]
    },
    {
      "page": "blockLines",
      "title": "Block lines on a LatticeMap",
      "topics": [
        "blockLines"
      ]
    },
    {
      "page": "connections",
      "title": "Get map connections",
      "topics": [
        "connections"
      ]
    },
    {
      "page": "connections-AxialShapeGraph-method",
      "title": "Get the Axial ShapeGraph connections",
      "topics": [
        "connections,AxialShapeGraph-method"
      ]
    },
    {
      "page": "connections-LatticeMap-method",
      "title": "Get the LatticeMap connections",
      "topics": [
        "connections,LatticeMap-method"
      ]
    },
    {
      "page": "connections-SegmentShapeGraph-method",
      "title": "Get the Segment ShapeGraph connections",
      "topics": [
        "connections,SegmentShapeGraph-method"
      ]
    },
    {
      "page": "createGrid",
      "title": "Create a LatticeMap through a grid",
      "topics": [
        "createGrid"
      ]
    },
    {
      "page": "fillGrid",
      "title": "Fill a LatticeMap's grid starting from one or more points",
      "topics": [
        "fillGrid"
      ]
    },
    {
      "page": "getTopFeatures",
      "title": "Extract top x percent of features",
      "topics": [
        "getTopFeatures"
      ]
    },
    {
      "page": "isovist",
      "title": "Create isovists at point and direction angle",
      "topics": [
        "isovist"
      ]
    },
    {
      "page": "isovist2pts",
      "title": "Create isovists using two points",
      "topics": [
        "isovist2pts"
      ]
    },
    {
      "page": "LatticeMap_subset",
      "title": "Subset LatticeMap objects",
      "topics": [
        "LatticeMap_subset",
        "[.LatticeMap",
        "[<-.LatticeMap"
      ]
    },
    {
      "page": "LatticeMap-class",
      "title": "LatticeMap",
      "concept": [
        "LatticeMap"
      ],
      "topics": [
        "LatticeMap",
        "LatticeMap-class"
      ]
    },
    {
      "page": "linkCoords",
      "title": "Link map points/lines as if selecting them using points",
      "topics": [
        "linkCoords"
      ]
    },
    {
      "page": "linkCoords-AxialShapeGraph-method",
      "title": "Link two Axial Lines (coordinates)",
      "topics": [
        "linkCoords,AxialShapeGraph-method"
      ]
    },
    {
      "page": "linkCoords-LatticeMap-method",
      "title": "Link two LatticeMap Cells (coordinates)",
      "topics": [
        "linkCoords,LatticeMap-method"
      ]
    },
    {
      "page": "linkRefs",
      "title": "Link map points/lines using their refs",
      "topics": [
        "linkRefs"
      ]
    },
    {
      "page": "linkRefs-AxialShapeGraph-method",
      "title": "Link two Axial Lines (refs)",
      "topics": [
        "linkRefs,AxialShapeGraph-method"
      ]
    },
    {
      "page": "linkRefs-LatticeMap-method",
      "title": "Link two LatticeMap Cells (refs)",
      "topics": [
        "linkRefs,LatticeMap-method"
      ]
    },
    {
      "page": "links",
      "title": "Get map links",
      "topics": [
        "links"
      ]
    },
    {
      "page": "links-AxialShapeGraph-method",
      "title": "Get the Axial ShapeGraph links",
      "topics": [
        "links,AxialShapeGraph-method"
      ]
    },
    {
      "page": "links-LatticeMap-method",
      "title": "Get the LatticeMap links",
      "topics": [
        "links,LatticeMap-method"
      ]
    },
    {
      "page": "makeAllLineMap",
      "title": "Create an All-line Map",
      "topics": [
        "makeAllLineMap"
      ]
    },
    {
      "page": "makeColour",
      "title": "Single Colour from depthmapX's Palettes",
      "topics": [
        "makeAxmanesqueColour",
        "makeBlueRedColour",
        "makeColour",
        "makeDepthmapClassicColour",
        "makeGreyScaleColour",
        "makeNiceHSBColour",
        "makePurpleOrangeColour"
      ]
    },
    {
      "page": "makeVGAGraph",
      "title": "Create a graph between visible cells in the LatticeMap",
      "topics": [
        "makeVGAGraph"
      ]
    },
    {
      "page": "makeVGALatticeMap",
      "title": "Create a LatticeMap grid, fill it and make the graph",
      "topics": [
        "makeVGALatticeMap"
      ]
    },
    {
      "page": "matchPointsToLines",
      "title": "Match points to lines",
      "topics": [
        "matchPointsToLines"
      ]
    },
    {
      "page": "name",
      "title": "Get map name",
      "topics": [
        "name"
      ]
    },
    {
      "page": "name-LatticeMap-method",
      "title": "Get the LatticeMap name",
      "topics": [
        "name,LatticeMap-method"
      ]
    },
    {
      "page": "name-ShapeMap-method",
      "title": "Get the ShapeMap name",
      "topics": [
        "name,ShapeMap-method"
      ]
    },
    {
      "page": "oneToAllTraverse",
      "title": "One-to-all traversal",
      "topics": [
        "oneToAllTraverse"
      ]
    },
    {
      "page": "oneToOneTraverse",
      "title": "One-to-one traversal",
      "topics": [
        "oneToOneTraverse"
      ]
    },
    {
      "page": "palettes",
      "title": "Colour Palettes from depthmapX",
      "topics": [
        "depthmap.axmanesque.colour",
        "depthmap.bluered.colour",
        "depthmap.classic.colour",
        "depthmap.grayscale.colour",
        "depthmap.nicehsb.colour",
        "depthmap.purpleorange.colour",
        "palettes"
      ]
    },
    {
      "page": "plot.LatticeMap",
      "title": "plot a LatticeMap",
      "topics": [
        "plot.LatticeMap"
      ]
    },
    {
      "page": "readMetaGraph",
      "title": "Read MetaGraph",
      "topics": [
        "readMetaGraph"
      ]
    },
    {
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