29:null 2a:["$","title",null,{"children":"Post Office Locations | Tim | Observable"}] 2f:T73b,postOfficesMap = { let container = DOM.element("div", { style: `min-width:${width}px;height:1080px` }); yield container; // Now we create a map object and add a layer to it. let map = L.map(container); let osmLayer = L.tileLayer( "https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png", { attribution: '© OpenStreetMap contributors', maxZoom: 25 } ).addTo(map); let ausPostLayer = L.geoJson( turf.featureCollection(bboxedAusPost.features.filter(isPostOffice)), { pointToLayer: function (feature, latlng) { return new L.CircleMarker(latlng, { radius: 10, color: joinedPoints.has(feature) ? "#36b436" : "#dc1928", weight: 1, opacity: 1 }); }, onEachFeature: function (feature, layer) { layer.bindPopup( "Auspost Data

" +
            JSON.stringify(
              R.omit(
                ["geo_location", "hours", "service_codes"],
                feature.properties
              ),
              null,
              2
            ) +
            "

" ); } } ).addTo(map); let osmDataLayer = L.geoJson( turf.featureCollection(postOfficesGeoJson.features.filter(isPostOffice)), { pointToLayer: function (feature, latlng) { return new L.CircleMarker(latlng, { radius: 10, color: joinedPoints.has(feature.id) ? "#36b436" : "#75cff0", weight: 1, opacity: 1 }); }, onEachFeature: function (feature, layer) { layer.bindPopup( "OSM

" +
            JSON.stringify(R.omit([], feature.properties), null, 2) +
            "

" ); } } ).addTo(map); map.locate({ setView: true }); }30:[{"id":"c1756645a94ff412fb01fbaed0303865e82c071b61b1ad5f5945cb5b5e2cc5338d6b6d174f85b4e171575ecb367d385fea46cf91cc8f54f63496ffd970af8082","href":"https://static.observableusercontent.com/files/c1756645a94ff412fb01fbaed0303865e82c071b61b1ad5f5945cb5b5e2cc5338d6b6d174f85b4e171575ecb367d385fea46cf91cc8f54f63496ffd970af8082","name":"metro-perth-geojson.json","type":"application/json","lastModified":1652259290755.728,"size":2151992}] 2d:{"id":"c61ace0171237b04","slug":null,"title":"Post Office Locations","thumbnail":"19d1bf184c05ca44f38cbb36ce92076411a75ae108a7f21570cc9feeb09aef9e","access_level":"unlisted","create_time":"$D2022-05-11T08:52:46.918Z","update_time":"$D2022-05-12T00:26:12.042Z","view_time":null,"first_public_time":null,"fork":false,"stars":0,"starred":false,"owner":{"type":"team","id":"24dd3a7c2be00525","login":"georift","name":"Tim","avatar_url":"https://avatars-next.observableusercontent.com/e287a49affbfc2534d3d658160b166c38fb3165109f76e1e64886c24d1e640a2","tier":"starter_2024"},"version":137,"publish_version":137,"role":null,"authored":false,"authors":[{"type":"individual","id":"3c9706a7e049728b","login":"georift","name":"Tim","avatar_url":"https://avatars-next.observableusercontent.com/e287a49affbfc2534d3d658160b166c38fb3165109f76e1e64886c24d1e640a2","tier":null}],"members":[{"type":"individual","id":"3c9706a7e049728b","login":"georift","name":"Tim","avatar_url":"https://avatars-next.observableusercontent.com/e287a49affbfc2534d3d658160b166c38fb3165109f76e1e64886c24d1e640a2","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"title":"Post Office Locations","cells":[{"id":0,"value":"# Post Office Locations","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined"},{"id":94,"value":"fullscreen = htl.html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":12,"value":"$2f","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":14,"value":"postOffices = (\n await fetch(\"https://overpass-api.de/api/interpreter\", {\n method: \"POST\",\n body: `\n[out:json];\n(\n nwr[\"amenity\"=\"post_office\"](-32.14567625378891,115.69255828857422,-31.87522527511162,116.08222961425781);\n nwr[\"amenity\"=\"post_box\"](-32.14567625378891,115.69255828857422,-31.87522527511162,116.08222961425781);\n);\n(._;>>;);\nout;`\n })\n).json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":42,"value":"ausPostData = FileAttachment(\"metro-perth-geojson.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":45,"value":"bboxedAusPost = turf.pointsWithinPolygon(ausPostData, boundingBox)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":112,"value":"joinedPoints = {\n const osmPoints = postOfficesGeoJson.features.filter(isPostOffice);\n const ausPostPoints = bboxedAusPost.features.filter(isPostOffice);\n\n console.log(osmPoints, ausPostPoints);\n const set = new Set();\n\n ausPostPoints.forEach((p) => {\n const nearest = turf.nearest(\n p,\n turf.featureCollection(osmPoints.filter((o) => !set.has(o)))\n );\n\n console.log(turf.distance(nearest, p));\n\n if (turf.distance(nearest, p) <= 0.5) {\n set.add(p);\n set.add(nearest.id); // turf clones the nearest object so we need to do strings\n }\n });\n\n return set;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":123,"value":"turf.point([1, 1])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":5,"value":"L = require(\"leaflet@1.8.0\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":25,"value":"postOfficesGeoJson = osmtogeojson(postOffices)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":8,"value":"html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":16,"value":"osmtogeojson = require('https://bundle.run/osmtogeojson@3.0.0-beta.4')","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":36,"value":"turf = require(\"@turf/turf\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":44,"value":"boundingBox = ({\n type: \"Feature\",\n properties: {},\n geometry: {\n type: \"Polygon\",\n coordinates: [\n [\n [115.69255828857422, -32.14567625378891],\n [116.08222961425781, -32.14567625378891],\n [116.08222961425781, -31.87522527511162],\n [115.69255828857422, -31.87522527511162],\n [115.69255828857422, -32.14567625378891]\n ]\n ]\n }\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":108,"value":"isPostOffice = (obj) =>\n (obj.properties.type === \"PO\" || obj.properties.amenity === \"post_office\") &&\n obj.geometry.type === \"Point\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":64,"value":"R = require(\"ramda\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"}],"files":"$W30","stdlib":"1","titling":"auto"}} 2e:"$2d:body"