2c:null 2d:["$","title",null,{"children":"Italy Coronavirus Daily Cases Map (COVID-19) | Jeremy Ashkenas | Observable"}] 32:Tc2a,map = { const svg = d3 .create("svg") .attr("width", w) .attr("height", h) .attr("viewBox", [0, 0, w, h]) .attr("class", "italy"); const legend = svg .append("g") .attr("class", "legend") .attr("fill", "#777") .attr( "transform", `translate(${w > breakpoint ? [w - w / 3.5, h / 3.5] : [10, h - 15]})` ); legend .append("text") .attr("class", "legend-title") .text("No. confirmed cases") .attr("dy", -maxRadius * 2.9); const legendBubbles = legend .selectAll("g") .data(legendRadii) .join("g"); let margin = 0; legendBubbles .attr("transform", (d, i) => { margin += i === 0 ? 0 : radius(legendBubbles.data()[i - 1]) * 2 + 15; return `translate(${margin + radius(d)}, 0)`; }) .append("circle") .attr("class", "legend-bubble") .attr("fill", d => colorScale(d)) .attr("cy", d => -radius(d)) .attr("r", radius); legendBubbles .append("text") .attr("dy", "1.3em") .text(w > breakpoint ? numFormat : sFormat); svg .append("path") .datum(provinces) .attr("d", path); svg .selectAll(".subunit") .data(provinces.features) .enter() .append("path") .attr("class", function(d) { return "subunit"; }) .attr("d", path); const bubble = svg .selectAll(".bubble") .data(data[mutable index]) .enter() .append("circle") .attr("transform", function(d) { return "translate(" + projection([d.long, d.lat]) + ")"; }) .attr("class", "bubble") .attr("fill-opacity", 0.5) .attr("fill", d => colorScale(+d.totale_casi)) .attr("r", d => radius(+d.totale_casi)); bubble.append("title"); svg .selectAll("place") .data(places.features) .enter() .append("circle") .attr("class", "place") .attr("r", 2.5) .attr("transform", function(d) { return "translate(" + projection(d.geometry.coordinates) + ")"; }); svg .selectAll(".place-label") .data(places.features) .enter() .append("text") .attr("class", "place-label") .attr("transform", function(d) { return "translate(" + projection(d.geometry.coordinates) + ")"; }) .attr("dy", ".35em") .text(function(d) { return d.properties.name; }) .attr("x", function(d) { return d.geometry.coordinates[0] > -1 ? 6 : -6; }) .style("text-anchor", function(d) { return d.geometry.coordinates[0] > -1 ? "start" : "end"; }); const wrapper = html`

`; wrapper.append(svg.node()); return Object.assign(wrapper, { update(i) { const t = svg .transition() .duration(i === 0 ? 0 : delay) .ease(d3.easeLinear); bubble .data(data[i]) .call(b => { b.transition(t) .attr("fill", d => colorScale(+d.totale_casi)) .attr("r", d => radius(+d.totale_casi)); }) .select("title") .text( d => `${d.denominazione_provincia}: ${numFormat(+d.totale_casi)} cases` ); } }); }33:[{"id":"9132b2f74dffe9214d02351c3945352c687c42e3f06c6afd5c6438b6780f206b56f52ec15398c6d5677ade3d81811a692ff945fa5007ca8d53dd65acd6ea63d6","href":"https://static.observableusercontent.com/files/9132b2f74dffe9214d02351c3945352c687c42e3f06c6afd5c6438b6780f206b56f52ec15398c6d5677ade3d81811a692ff945fa5007ca8d53dd65acd6ea63d6","name":"italy2@1.json","type":"application/json","lastModified":1583790826284.965,"size":98808}] 30:{"id":"a92586907406b61c","slug":"italy-coronavirus-daily-cases-map-covid-19","title":"Italy Coronavirus Daily Cases Map (COVID-19)","thumbnail":"716719e1cb30dd5e37d66256bc910f9a107d18d4224691e3a37dceee9648af24","access_level":"public","create_time":"$D2020-03-09T21:34:54.719Z","update_time":"$D2022-04-29T18:25:38.671Z","view_time":null,"first_public_time":"$D2020-03-10T02:31:27.918Z","has_unpublished_edits":null,"fork":false,"stars":56,"starred":false,"owner":{"type":"team","id":"172cc08ef8a18a4b","login":"jashkenas","name":"Jeremy Ashkenas","avatar_url":"https://avatars-next.observableusercontent.com/fa1903f8171d4621ef49de28e0ff1fb965960ec87df175d8b543c4b09508b45b","tier":"starter_2024"},"version":826,"publish_version":826,"role":null,"authored":false,"authors":[{"type":"individual","id":"783616ba9fb55f5d","login":"jashkenas","name":"Jeremy Ashkenas","avatar_url":"https://avatars-next.observableusercontent.com/fa1903f8171d4621ef49de28e0ff1fb965960ec87df175d8b543c4b09508b45b","tier":null}],"members":[{"type":"individual","id":"783616ba9fb55f5d","login":"jashkenas","name":"Jeremy Ashkenas","avatar_url":"https://avatars-next.observableusercontent.com/fa1903f8171d4621ef49de28e0ff1fb965960ec87df175d8b543c4b09508b45b","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":true,"trashed":false,"lapsed":null,"subscribed":null,"forks":57,"collection":{"id":"e7cc41ec60819d92","slug":"coronavirus","title":"Coronavirus","owner":{"id":"f35c755083683fe5","login":"observablehq","name":"Observable"}},"type":"notebook","body":{"titling":"auto","title":"Italy Coronavirus Daily Cases Map (COVID-19)","cells":[{"id":0,"value":"md`# Italy Coronavirus Daily Cases Map (COVID-19)\n\nEvery evening, the Italian government publishes daily counts of confirmed coronavirus cases in each province. On the day this map was published (March 9), Italy announced travel restrictions on civilian movement across the entire country. Special permission is now needed to move between regions, and all public gatherings — including weddings and funerals — have been forbidden.\n\n*Source: [Dipartimento della Protezione Civile](https://github.com/pcm-dpc/COVID-19) *\n\n*This notebook has been finalized to display cases between February 24 and June 24, 2020, when the government changed the format of the dataset.*`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":248,"value":"viewof day = Scrubber(dates.slice(0, data.length), {\n delay,\n loop: false,\n format: d => d.toLocaleDateString()\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":12,"value":"$32","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":738,"value":"md`

\n\n## Appendix\n\n*The implementation of this notebook lies below. It is not yet organized or commented.*\n\n---\n\n

`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":55,"value":"{\n const c = `rgb(255, 255, 255, 0.5)`;\n return html``;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":791,"value":"legendRadii = [10, 500, 2000, 10000]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":620,"value":"map.update(index)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":434,"value":"w = Math.min(width, 700)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":436,"value":"h = Math.round(w * 1.2)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":294,"value":"maxLegend = Math.round(maxCases / magnitude) * magnitude","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":292,"value":"magnitude = toMagnitude(maxCases)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":284,"value":"function toMagnitude(n) {\n var order = Math.floor(Math.log(n) / Math.LN10 + 0.000000001);\n return Math.pow(10, order);\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":703,"value":"mutable index = 0","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":257,"value":"{\n mutable index = dates.indexOf(day);\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":165,"value":"radius = d3\n .scaleSqrt()\n .domain([0, maxCases])\n .range([0, maxRadius])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":185,"value":"colorScale = d3\n .scaleSqrt()\n .domain([0, maxCases])\n .range([`hsla(57, 100%, 50%, 0.36)`, `hsla(7, 100%, 50%, 0.57)`])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":246,"value":"delay = 100","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":166,"value":"maxCases = d3.max(recentData.map(d => +d.totale_casi))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":156,"value":"data = responses.map(r => d3.csvParse(r))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":521,"value":"breakpoint = 500","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":384,"value":"maxRadius = w > breakpoint ? 30 : 18","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":158,"value":"recentData = data[data.length - 1]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":143,"value":"responses = Promise.all(urls.map(u => fetch(u))).then(responses =>\n Promise.all(responses.filter(r => r.ok).map(r => r.text()))\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":134,"value":"csvs = Promise.all(urls.map(u => fetch(u).then(u => u.text())))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":132,"value":"urls = dateStrings.map(d => baseUrl.replace(\"DATE\", d))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":114,"value":"baseUrl = \"https://raw.githubusercontent.com/pcm-dpc/COVID-19/master/dati-province/dpc-covid19-ita-province-DATE.csv\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":118,"value":"startDate = new Date(\"2020-02-24T11:00:00Z\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":816,"value":"endDate = new Date(\"2020-06-25T11:00:00Z\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":126,"value":"dateStrings = dates.map(\n d =>\n d\n .toISOString()\n .replace(/-/g, '')\n .split(\"T\")[0]\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":123,"value":"dates = dateRange(startDate, endDate)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":121,"value":"function dateRange(start, end) {\n const duration = 1000 * 60 * 60 * 24;\n const dates = [];\n let ms = start * 1;\n while (ms < end * 1) {\n dates.push(new Date(ms));\n ms += duration;\n }\n return dates;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":90,"value":"allProvinces = topojson.feature(italy, italy.objects.subunits)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":559,"value":"provinces = ({\n ...allProvinces,\n // Nix Pantelleria\n features: allProvinces.features.filter(\n f => d3.min(f.geometry.coordinates.flat(10).filter(d => d > 30)) > 36\n )\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":93,"value":"places = topojson.feature(italy, italy.objects.places)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":782,"value":"sFormat = d3.format(\".1s\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":726,"value":"numFormat = d3.format(\",\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":30,"value":"path = d3.geoPath().projection(projection)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":32,"value":"projection = d3\n .geoAlbers()\n .rotate([-12.8, 0])\n .parallels([40, 50])\n .fitExtent([[0, 0], [w, h]], provinces)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":27,"value":"italy = FileAttachment(\"italy2@1.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":244,"value":"import { Scrubber } from \"@mbostock/scrubber\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":17,"value":"topojson = require(\"topojson-client@3\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9,"value":"d3 = require(\"d3@5\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W33","stdlib":"1"}} 31:"$30:body"