45:["$","title",null,{"children":"Make your own map! | Brody Smith | Observable"}] 4d:T6e6,viewof map = { let chart = d3.create("svg") .attr("width", w) .attr("height", w*aspectRatio) .attr("viewBox", `0 0 ${w} ${w*aspectRatio}`) let group = d3.create("g") let ocean = `` let border = `` let outline = `` let gratpath = showGraticule ? `` : null let lands = `` let fillCountries = { type: "FeatureCollection", features: countriesTopo.features .filter(f => countries.find(c => c.name === f.properties.name)) } let nations = fillCountries.features.map(f => ``) let points = cities .reduce((a,b) => { let p = transform([+b.lng, +b.lat]) return a + ` ${b.name}` }, "") points = cities.length && `${points}` let components = [ ocean, lands, border, nations, outline, gratpath, points ].filter(c => c) group.node().innerHTML = `${components.reduce((a,b) => a + b)}` chart.node().innerHTML = group.node().outerHTML const zoom = d3.zoom() .scaleExtent([0.1, 16]) .on('zoom', ({transform}) => chart.node().firstChild.setAttribute('transform', transform) ) chart.call(zoom); return chart.node() 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49:{"id":"6401712e21557dd2","slug":"map-generator-export-to-svg","title":"Make your own map!","thumbnail":"403e7dfe1cb8f084f5ed0365f602e82d68929e10d0596944ab10829de1b73735","access_level":"public","create_time":"$D2021-05-19T04:34:02.496Z","update_time":"$D2022-08-17T04:02:26.356Z","view_time":null,"first_public_time":"$D2021-05-19T05:26:28.819Z","has_unpublished_edits":null,"fork":{"id":"f953a78d1bc65df2","slug":"orthographic-globe-export-to-svg","title":"Orthographic globe: export to SVG","owner":{"id":"6591f25561a896fa","login":"brodysmith1","name":"Brody Smith"}},"stars":0,"starred":false,"owner":{"type":"team","id":"6591f25561a896fa","login":"brodysmith1","name":"Brody 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your own map!","cells":[{"id":1,"value":"md`# Make your own map!\nUse this to generate your own simple custom maps.
Easily add cities and customise your projection, colors, zoom, and map center.
\nExport as PNG for publishing, or to SVG for web apps or to refine in Illustrator.\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1223,"value":"md`

\n\n# Output\n\nScroll and pan the map area to position the map.
\nConfiguration settings are below the map area for greater customisation.
\nSelect the three dots on the left of the map cell to export to PNG or SVG.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":11,"value":"$4d","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1189,"value":"md`\n

\n# Settings\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1430,"value":"viewof aspectRatio = Inputs.radio(new Map([[\"9:16\",16/9],[\"4:5\",1.25],[\"1:1\",1],[\"5:4\",0.8],[\"16:9\",9/16]]), {label: \"Aspect Ratio\", value: 9/16})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1445,"value":"viewof showGraticule = Inputs.toggle({label: \"Graticule?\", value: true})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1458,"value":"viewof rotation = Inputs.select(rotations, {label: 'Rotation'})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1475,"value":"viewof projection = Inputs.select(projections,{label: \"Map Projection\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1523,"value":"viewof color = Inputs.select(colors, {label: 'Color scheme', format: e => e.name})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1021,"value":"md`

\n# Annotate cities\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1794,"value":"viewof activeCities = {\n const reset = () => mutable cities = []\n let render = html`No cities currently annotated on map.`\n \n if (cities.length) {\n let clrBtn = html``\n let btns = cities\n .map(c => html``)\n .reduce((a,b) => a + b.outerHTML,'')\n \n btns = html`${btns}`\n render = html`Active cities: ${btns}${clrBtn}`\n console.log(render)\n render.querySelectorAll('button').forEach(b => b.onclick = rmCity)\n render.querySelector('#btn-reset').onclick = reset\n }\n\n return render\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1012,"value":"viewof cityquery = html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1028,"value":"viewof searchResults = {\n let render\n let list = cityquery ? cities1000pop.filter(c => new RegExp(cityquery,\"gi\").test(c.name)) : \"\"\n \n if (!list) {\n render = md`Search for a city above (regex friendly).`\n } else if (list.length < 20) {\n render = html`

Matches:

\n ${list.reduce((a,b) => a +\n ``, \"\"\n )}`\n } else {\n render = html`

${list.length} results.

`\n }\n\n if (render)\n render.querySelectorAll('button').forEach(btn => btn.onclick = addCity)\n \n return render\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1943,"value":"md`

\n# Annotate countries\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1946,"value":"viewof activeCountries = {\n const reset = () => mutable countries = []\n let render = html`No countries currently annotated on map.`\n \n if (countries.length) {\n let clrBtn = html``\n let btns = countries\n .map(c => html``)\n .reduce((a,b) => a + b.outerHTML,'')\n \n btns = html`${btns}`\n render = html`Active countries: ${btns}${clrBtn}`\n render.querySelectorAll('button').forEach(b => b.onclick = rmCountry)\n render.querySelector('#btn-reset').onclick = reset\n }\n\n return render\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1969,"value":"viewof countryquery = html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1963,"value":"viewof searchResultsCountry = {\n let render\n let list = countryquery ? countriesTopo.features.filter(c => new RegExp(countryquery,\"gi\").test(c.properties.name)) : \"\"\n \n if (!list) {\n render = md`Search for a country above (regex friendly).`\n } else if (list.length < 20) {\n render = html`

Matches:

\n ${list.reduce((a,b) => a +\n ``, \"\"\n )}`\n } else {\n render = html`

${list.length} results.

`\n }\n\n if (render)\n render.querySelectorAll('button').forEach(btn => btn.onclick = addCountry)\n \n return render\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1769,"value":"md`

\n# Load custom datasets`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1360,"value":"regions = FileAttachment(\"regions-1.json\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1410,"value":"md`\n

\n# Appendix\n

\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1937,"value":"md`## Mutable variables`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1135,"value":"mutable cities = []","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1953,"value":"mutable countries = []","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1515,"value":"md`## Style attributes`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1519,"value":"colors = [\n {\n name: \"Muted Blue\",\n seaFill: \"#EAEFF1\",\n landFill: \"#A7B6C1\",\n landStrk: \"#C8D2D9\",\n gratStrk: \"#576F7C88\",\n },\n {\n name: \"Brown Earth\",\n seaFill: \"#D4C7B9\",\n landFill: \"#ECE6DF\",\n landStrk: \"#F8F6F4\",\n gratStrk: \"#EEE4D9\",\n },\n {\n name: \"Greyscale Light\",\n seaFill: \"#eee\",\n landFill: \"#bbb\",\n landStrk: \"#eee\",\n gratStrk: \"#bbb8\",\n },\n {\n name: \"Greyscale Dark\",\n seaFill: \"#252F3F\",\n landFill: \"#1C2737\",\n landStrk: \"#414F5F\",\n gratStrk: \"#414F5Faa\",\n }\n]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1393,"value":"md`## Basemap assets`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":79,"value":"sphere = ({type: \"Sphere\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":36,"value":"graticule = d3.geoGraticule10()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":414,"value":"borders = topojson.mesh(countries50m, countries50m.objects.countries, (a, b) => a !== b)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":38,"value":"land = topojson.feature(land50m, land50m.objects.land)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":819,"value":"countriesTopo = topojson.feature(countries50m, countries50m.objects.countries)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1401,"value":"md`## Geo functions and defaults`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":111,"value":"path = d3.geoPath(transform)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":16,"value":"transform = d3[projection]()\n .scale(scale)\n .rotate(rotation)\n .center(center)\n .precision(0.1)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1498,"value":"center = [0,0]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1501,"value":"scale = 300","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1375,"value":"md`## Geo data`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1492,"value":"projections = [\"geoEquirectangular\",\"geoOrthographic\",\"geoMercator\",\"geoNaturalEarth1\"]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1453,"value":"rotations = new Map([\n ['Default', [0, 0]],\n ['United States', [-80, -20]],\n ['Australia', [-130, 10]],\n ['Pacific', [-160, 0]],\n ['India', [-80, -20]],\n ['Myanmar', [-100, -20]],\n ['Middle-east', [-65, -20]],\n ['South China Sea', [-110, -10]],\n ['N Polar', [0, -90]],\n ['S Polar', [0, 90]],\n])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":2012,"value":"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":876,"value":"cities1000pop = FileAttachment(\"cities.json\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":7,"value":"countries50m = FileAttachment(\"countries-50m.json\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":2005,"value":"land110m = FileAttachment(\"land-110m.json\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":2016,"value":"land50m = FileAttachment(\"land-50m.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1774,"value":"md`## Other functions`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1139,"value":"function addCity(e) {\n if (cities.find(c => c.name === e.target.dataset.name)) return\n cities.push(Object.assign({}, e.target.dataset))\n mutable cities = mutable cities\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1819,"value":"function rmCity(e) { \n let filtered = cities.filter(c => c.name !== e.target.dataset.name)\n mutable cities = filtered\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1951,"value":"function addCountry(e) {\n if (countries.find(c => c.name === e.target.dataset.name)) return\n countries.push(Object.assign({}, e.target.dataset))\n mutable countries = mutable countries\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1949,"value":"function rmCountry(e) { \n let filtered = countries.filter(c => c.name !== e.target.dataset.name)\n mutable countries = filtered\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1369,"value":"md`## Libraries`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":13,"value":"topojson = require(\"topojson-client@3\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":3,"value":"d3 = require(\"d3@6\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1720,"value":"md`\n## Resources\n\n- Need to rewind a geojson file? Go [here](https://observablehq.com/@bumbeishvili/rewind-geojson).\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1364,"value":"md`## Misc.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1623,"value":"w = width","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":462,"value":"html`\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W4e","stdlib":"1"}} 44:null