{
  "_id": "6a1025d0acfb0bcc41c8ee38",
  "Package": "alcyon",
  "Type": "Package",
  "Title": "Spatial Network Analysis",
  "Version": "0.8.1",
  "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' 'ShapeMap.R' 'AxialShapeGraph.R'\n'AllLineShapeGraph.R' 'SegmentShapeGraph.R' 'LatticeMap.R'\n'TraversalType.R' 'AgentLookMode.R' 'RcppExports.R'\n'agentAnalysis.R' 'allFewestLineMap.R' 'axialAnalysis.R'\n'generateRandomCapString.R' 'getTopFeatures.R' 'isovist.R'\n'matchPointsToLines.R' 'palettes.R' 'prepareVGA.R'\n'readMetaGraph.R' 'refIDtoIndex.R' 'segmentAnalysis.R'\n'segmentTulipLeafChoice.R' 'sfConversions.R'\n'shapegraphToGraphData.R' 'oneToOneTraverse.R'\n'oneToAllTraverse.R' 'allToAllTraverse.R' 'vgaLocal.R'",
  "RoxygenNote": "7.3.2",
  "Language": "en-GB",
  "URL": "https://github.com/spatialnous/alcyon,\nhttps://spatialnous.github.io/alcyon/",
  "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": "2026-04-13 18:52:39 UTC",
  "RemoteUrl": "https://github.com/spatialnous/alcyon",
  "RemoteRef": "HEAD",
  "RemoteSha": "74c2486560d5413dc567fce8ff4e921e78441fb7",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-05-13 09:40:35 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>",
  "MD5sum": "a990c80813b699c75738374cd6cf6a8a",
  "_user": "spatialnous",
  "_type": "src",
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  "_created": "2026-05-13T09:40:35.000Z",
  "_published": "2026-05-22T09:45:52.073Z",
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    "message": "Merge pull request #11 from spatialnous/dependabot/github_actions/actions-94e51db8ca\n\nBump JamesIves/github-pages-deploy-action from 4.7.4 to 4.8.0 in the actions group",
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  "_devurl": "https://github.com/spatialnous/alcyon",
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  "_topics": [
    "cpp",
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  "_rbuild": "4.6.0",
  "_assets": [
    "extra/alcyon.html",
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/readme.html",
    "extra/readme.md",
    "manual.pdf"
  ],
  "_homeurl": "https://github.com/spatialnous/alcyon",
  "_realowner": "spatialnous",
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  "_releases": [
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    },
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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": "AllLineShapeGraph-class",
      "title": "All-line Axial ShapeGraph",
      "topics": [
        "AllLineShapeGraph-class"
      ]
    },
    {
      "page": "allToAllTraverse",
      "title": "All-to-all traversal",
      "topics": [
        "allToAllTraverse"
      ]
    },
    {
      "page": "as",
      "title": "as(\"sf\", \"ShapeMap\")",
      "concept": [
        "AxialShapeGraph",
        "SegmentShapeGraph",
        "ShapeMap"
      ],
      "topics": [
        "as"
      ]
    },
    {
      "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"
      ]
    },
    {
      "page": "reduceToFewest",
      "title": "Reduce an All-line Map to two types of fewest-line maps",
      "topics": [
        "reduceToFewest"
      ]
    },
    {
      "page": "refIdToIndexAndBack",
      "title": "Ref ID to index and vice-versa",
      "topics": [
        "indexToRefID",
        "refIDtoIndex",
        "refIdToIndexAndBack"
      ]
    },
    {
      "page": "SegmentShapeGraph_subset",
      "title": "Subset SegmentShapeGraph objects",
      "topics": [
        "SegmentShapeGraph_subset",
        "[.SegmentShapeGraph",
        "[<-.SegmentShapeGraph"
      ]
    },
    {
      "page": "SegmentShapeGraph-class",
      "title": "Segment ShapeGraph",
      "concept": [
        "SegmentShapeGraph"
      ],
      "topics": [
        "SegmentShapeGraph",
        "SegmentShapeGraph-class"
      ]
    },
    {
      "page": "segmentTulipLeafChoice",
      "title": "Segment Tulip Leaf Choice",
      "topics": [
        "segmentTulipLeafChoice"
      ]
    },
    {
      "page": "shapegraphToGraphData",
      "title": "Conversion of shapegraph to graph data",
      "topics": [
        "shapegraphToGraphData"
      ]
    },
    {
      "page": "ShapeMap_subset",
      "title": "Subset ShapeMap objects",
      "topics": [
        "ShapeMap_subset",
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