28:null 29:["$","title",null,{"children":"Forward sortation areas (Postal codes) | Naël Shiab | Observable"}] 2e:[{"id":"e1c994da3b029ddfad024963c2f779427d7bd00fcb3d0da46a4acaac17075ee4a872833490f02c5b37de037e25415315c981ddeecca992f0c6e26d23424551be","href":"https://static.observableusercontent.com/files/e1c994da3b029ddfad024963c2f779427d7bd00fcb3d0da46a4acaac17075ee4a872833490f02c5b37de037e25415315c981ddeecca992f0c6e26d23424551be","name":"geojson@1.json","type":"application/json","lastModified":1689082050988.635,"size":4403668}] 2c:{"id":"21994812df8b14ee","slug":"postal-codes","title":"Forward sortation areas (Postal codes)","thumbnail":"31e5aa1c2e3ffe74f6da6129720fd4489692a32ec3b4e4f290df5c4b8c1fca84","access_level":"public","create_time":"$D2023-07-10T19:25:55.369Z","update_time":"$D2023-10-13T18:49:27.761Z","view_time":null,"first_public_time":"$D2023-08-23T18:57:08.054Z","has_unpublished_edits":null,"fork":false,"stars":0,"starred":false,"owner":{"type":"team","id":"0fe3b933647fb61f","login":"nshiab","name":"Naël Shiab","avatar_url":"https://avatars-next.observableusercontent.com/31f810f6b0b585b397a840bca419abec764dea4c181c2f7bff37141afa2814a6","tier":"starter_2024"},"version":310,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"c1a406ad24d83947","login":"nshiab","name":"Naël Shiab","avatar_url":"https://avatars-next.observableusercontent.com/31f810f6b0b585b397a840bca419abec764dea4c181c2f7bff37141afa2814a6","tier":null}],"members":[{"type":"individual","id":"c1a406ad24d83947","login":"nshiab","name":"Naël Shiab","avatar_url":"https://avatars-next.observableusercontent.com/31f810f6b0b585b397a840bca419abec764dea4c181c2f7bff37141afa2814a6","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":{"id":"0b255c51ada7bd23","slug":"useful-data","title":"Data and code snippets","owner":{"id":"0fe3b933647fb61f","login":"nshiab","name":"Naël Shiab"}},"type":"notebook","body":{"title":"Forward sortation areas (Postal codes)","cells":[{"id":0,"value":"# Forward sortation areas (Postal codes)","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":3,"value":"[Census Forward Sortation Area Boundary File](https://www150.statcan.gc.ca/n1/en/catalogue/92-179-X), Census year 2021, released on September 21, 2022.\n\nSimplified with [mapshaper](https://mapshaper.org/) (1%).","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":165,"value":"## Polygons","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":146,"value":"geojsonFSA = {\n const geo = structuredClone(geojson);\n\n for (const feature of geo.features) {\n feature.properties = {\n fsa: feature.properties.CFSAUID,\n prov: provincesAndTerritories.find(\n (d) => d.code === feature.properties.PRUID\n )\n };\n }\n\n return geo;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":124,"value":"{\n const container = yield htl.html`

`;\n const map = L.map(container);\n const layer = L.geoJSON(geojsonFSA, {\n style: {\n weight: 1,\n opacity: 1,\n color: \"white\",\n fillOpacity: 0.3,\n fillColor: \"purple\"\n },\n onEachFeature: addPopup\n }).addTo(map);\n map.setView([65, -100], 3);\n L.tileLayer(\"https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png\", {\n attribution:\n \"© OpenStreetMap contributors\"\n }).addTo(map);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":213,"value":"topojsonFSA = topojsonServer.topology({ fsa: geojsonFSA }, topojsonQuantization)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":236,"value":"{\n const container = yield htl.html`

`;\n const map = L.map(container);\n const layer = L.geoJSON(topojsonClient.feature(topojsonFSA, \"fsa\"), {\n style: {\n weight: 1,\n opacity: 1,\n color: \"white\",\n fillOpacity: 0.3,\n fillColor: \"purple\"\n },\n onEachFeature: addPopup\n }).addTo(map);\n L.tileLayer(\"https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png\", {\n attribution:\n \"© OpenStreetMap contributors\"\n }).addTo(map);\n map.setView([45.5, -73.7], 10);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":167,"value":"## Centroids","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":178,"value":"geojsonFSACentroids = {\n const geo = structuredClone(geojsonFSA);\n\n for (let i = 0; i < geo.features.length; i++) {\n const feature = geo.features[i];\n const properties = feature.properties;\n geo.features[i] = turf.centroid(geo.features[i]);\n geo.features[i].properties = properties;\n }\n\n return geo;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":282,"value":"topojsonFSACentroids = topojsonServer.topology(\n { fsa: geojsonFSACentroids },\n topojsonQuantization\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":193,"value":"{\n const container = yield htl.html`

`;\n const map = L.map(container);\n const layer = L.geoJSON(geojsonFSACentroids, {\n onEachFeature: addPopup\n }).addTo(map);\n map.fitBounds(layer.getBounds(), { maxZoom: 9 });\n L.tileLayer(\"https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png\", {\n attribution:\n \"© OpenStreetMap contributors\"\n }).addTo(map);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":101,"value":"## Appendix","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":305,"value":"topojsonQuantization = 15000","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":97,"value":"geojson = FileAttachment(\"geojson@1.json\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":149,"value":"import { provincesAndTerritories } from \"@nshiab/provinces-and-territories\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":170,"value":"turf = require(\"@turf/turf@6\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":210,"value":"topojsonServer = require(\"topojson-server\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":226,"value":"topojsonClient = require(\"topojson-client\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":197,"value":"function addPopup(feature, layer) {\n layer.bindPopup(\n `

${feature.properties.fsa}

${feature.properties.prov.full.en}

`\n );\n layer.on(\"mouseover\", function (e) {\n this.openPopup(e.latlng);\n });\n layer.on(\"mouseout\", function (e) {\n this.closePopup();\n });\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W2e","stdlib":"1","titling":"auto"}} 2d:"$2c:body"