2d:null 2e:["$","title",null,{"children":"COVID-19 case doubling world choropleth map | antejan | Observable"}] 33:T482,chart = { const svg = d3.create("svg") .style("display", "block") .attr("viewBox", [0, 0, width, height]) .attr("class", "map"); const defs = svg.append("defs"); defs.append("path") .attr("id", "outline") .attr("d", path(outline)); defs.append("clipPath") .attr("id", "clip") .append("use") .attr("xlink:href", new URL("#outline", location)); const g = svg.append("g") .attr("clip-path", `url(${new URL("#clip", location)})`) .attr("class", "map-wrapper");; g.append("use") .attr("xlink:href", new URL("#outline", location)) .attr("fill", "white"); g.append("g") .selectAll("path") .data(countries.features) .join("path") .attr("fill", d => color(data.get(d.properties.name))) .attr("d", path) .append("title") .text(d => title(d.properties.name)); g.append("path") .datum(topojson.mesh(world, world.objects.countries, (a, b) => a !== b)) .attr("fill", "none") .attr("stroke", "white") .attr("class", "map-borders") .attr("stroke-linejoin", "round") .attr("d", path); return svg.node(); }34:T56e,rename = new Map([ ["Antigua and Barbuda", "Antigua and Barb."], ["Bolivia (Plurinational State of)", "Bolivia"], ["Bosnia and Herzegovina", "Bosnia and Herz."], ["Brunei Darussalam", "Brunei"], ["Central African Republic", "Central African Rep."], ["Cook Islands", "Cook Is."], ["Czech Republic", "Czechia"], ["Democratic People's Republic of Korea", "North Korea"], ["Democratic Republic of the Congo", "Dem. Rep. Congo"], ["Dominican Republic", "Dominican Rep."], ["Equatorial Guinea", "Eq. Guinea"], ["Iran (Islamic Republic of)", "Iran"], ["Lao People's Democratic Republic", "Laos"], ["Marshall Islands", "Marshall Is."], ["Micronesia (Federated States of)", "Micronesia"], ["Republic of Korea", "South Korea"], ["Republic of Moldova", "Moldova"], ["Russian Federation", "Russia"], ["Saint Kitts and Nevis", "St. Kitts and Nevis"], ["Saint Vincent and the Grenadines", "St. Vin. and Gren."], ["Sao Tome and Principe", "São Tomé and Principe"], ["Solomon Islands", "Solomon Is."], ["South Sudan", "S. Sudan"], ["Swaziland", "eSwatini"], ["Syrian Arab Republic", "Syria"], ["The former Yugoslav Republic of Macedonia", "Macedonia"], // ["Tuvalu", ?], ["United Republic of Tanzania", "Tanzania"], ["United States", "United States of America"], ["Venezuela (Bolivarian Republic of)", "Venezuela"], ["Viet Nam", "Vietnam"] ])35:[{"id":"105124169f32536c2c86c7d6a237673814f21444a667f2cb8c4e2b3f7b3cfae56fac5346a6ac7fd5cc02b63fcda1b08ac4e86a7c86896e5eeb37b51ccceb8f69","href":"https://static.observableusercontent.com/files/105124169f32536c2c86c7d6a237673814f21444a667f2cb8c4e2b3f7b3cfae56fac5346a6ac7fd5cc02b63fcda1b08ac4e86a7c86896e5eeb37b51ccceb8f69","name":"countries-50m.json","type":"application/octet-stream","lastModified":1584214627827.308,"size":756420}] 31:{"id":"2eab58ae9bed984a","slug":"covid-19-case-doubling-world-choropleth","title":"COVID-19 case doubling world choropleth map","thumbnail":"6516472e566ded161161deb65ce078ba1db22a59449d662e684422e68c508748","access_level":"public","create_time":"$D2020-03-14T19:37:07.827Z","update_time":"$D2020-03-29T22:43:14.385Z","view_time":null,"first_public_time":"$D2020-03-14T22:11:03.689Z","has_unpublished_edits":null,"fork":true,"stars":5,"starred":false,"owner":{"type":"team","id":"8219cd6ab84b2e09","login":"antejan","name":"","avatar_url":"https://avatars-next.observableusercontent.com/540a9e91288ecdf1be9efc20b6156c808d9ece2f7f2ce231d74dbc012e509116","tier":"starter_2024"},"version":601,"publish_version":601,"role":null,"authored":false,"authors":[{"type":"individual","id":"0c268d12d186d928","login":"antejan","name":"","avatar_url":"https://avatars-next.observableusercontent.com/540a9e91288ecdf1be9efc20b6156c808d9ece2f7f2ce231d74dbc012e509116","tier":null}],"members":[{"type":"individual","id":"0c268d12d186d928","login":"antejan","name":"","avatar_url":"https://avatars-next.observableusercontent.com/540a9e91288ecdf1be9efc20b6156c808d9ece2f7f2ce231d74dbc012e509116","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":10,"collection":null,"type":"notebook","body":{"title":"COVID-19 case doubling world choropleth map","cells":[{"id":0,"value":"md`# COVID-19 case doubling world choropleth map\n\nData: [OurWorldInData.org](https://ourworldindata.org/coronavirus-source-data), [ECDC](https://www.ecdc.europa.eu/en/coronavirus). Last update ${rawDataEcdc[rawDataEcdc.length - 1].date}.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":536,"value":"viewof settings = form(html``)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":126,"value":"legend({color, title: data.title})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":14,"value":"$33","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":16,"value":"data = Object.assign(new Map(Object.keys(countryDoublingCases).map((key) => [key, countryDoublingCases[key]])), {title: \"COVID-19 case count doubling in days\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":293,"value":"countryDoublingCases = Object.keys(countryData).reduce((res, item) => {\n res[item] = doublingCases(countryData[item]);\n return res;\n}, {})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":287,"value":"countryData = parsedEcdc.reduce((res, item) => {\n let key = rename.get(item.location) || item.location;\n res[key] = (res[key] || []).concat([item]);\n return res;\n}, {})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":285,"value":"rawData = d3.csv(\"https://covid.ourworldindata.org/data/full_data.csv\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":577,"value":"rawDataEcdc = d3.csv(\"https://covid.ourworldindata.org/data/ecdc/total_cases.csv\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":580,"value":"parsedEcdc = rawDataEcdc.reduce((data, day) => {\n let date = String(day.date);\n Object.keys(day).map(location => {\n if (location !== 'date') {\n data.push({date, location, total_cases: +day[location]})\n }\n });\n return data;\n}, [])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":295,"value":"doublingCases = (countryData) => {\n let lastDay = countryData[countryData.length - 1];\n let lastDayCasesCount = lastDay.total_cases;\n if (lastDayCasesCount && lastDayCasesCount < 10) {\n return \"Less than 10 confirmed cases\";\n }\n let daysLessOrEqualHalfCases = countryData.filter((d) => d.total_cases <= lastDayCasesCount/2);\n if (!daysLessOrEqualHalfCases.length) {\n return \"No cases\";\n }\n let lastHalfCasesDay = daysLessOrEqualHalfCases[daysLessOrEqualHalfCases.length-1];\n return dateDiffInDays(lastDay.date, lastHalfCasesDay.date);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":296,"value":"dateDiffInDays = (d1, d2) => {\n\tconst MS_IN_DAY=864e5;\n const dd1 = new Date(d1);\n const dd2 = new Date(d2);\n\tconst t1 = Date.UTC(dd1.getFullYear(), dd1.getMonth(), dd1.getDate());\n\tconst t2 = Date.UTC(dd2.getFullYear(), dd2.getMonth(), dd2.getDate());\n\treturn Math.floor((t1 - t2) / MS_IN_DAY);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":463,"value":"title = function (key) {\n const daysData = countryData[key];\n const caseCount = daysData && daysData[daysData.length - 1].total_cases;\n const casesStr = daysData && caseCount >= 10 ? ' - ' + caseCount + ' confirmed case' + plural(caseCount) : '';\n const doublingStr = (typeof data.get(key) === 'number' ? 'Doubled in ' : '') + data.get(key) + (typeof data.get(key) === 'number' ? ' day' + plural(data.get(key)) : '');\n return `${key}${casesStr}\n${data.has(key) ? doublingStr : \"No cases\"}`;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":468,"value":"plural = (n) => +n !== 1 ? 's' : '';","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":231,"value":"$34","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":69,"value":"color = d3.scaleSequentialSymlog()\n .domain([1, 30])\n .interpolator(d3.interpolateRgbBasis([\"#660000\", \"#a50026\", \"#b91427\", \"#f16f44\", \"#fdc878\", \"#fdc878\"]))\n .unknown(\"#ccc\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":174,"value":"projection = d3.geoEqualEarth()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":190,"value":"path = d3.geoPath(projection)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":179,"value":"width = 975","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":181,"value":"height = {\n const [[x0, y0], [x1, y1]] = d3.geoPath(projection.fitWidth(width, outline)).bounds(outline);\n const dy = Math.ceil(y1 - y0), l = Math.min(Math.ceil(x1 - x0), dy);\n projection.scale(projection.scale() * (l - 1) / l).precision(0.2);\n return dy;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":186,"value":"outline = ({type: \"Sphere\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":183,"value":"countries = topojson.feature(world, world.objects.countries)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":8,"value":"world = FileAttachment(\"countries-50m.json\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":6,"value":"topojson = require(\"topojson-client@3\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3,"value":"d3 = require(\"d3@5\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":258,"value":"import {legend} from \"@d3/color-legend\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":538,"value":"import {form} from \"@mbostock/form-input\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":562,"value":"styleEmbed = html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W35","stdlib":"1","titling":"auto"}} 32:"$31:body"