2d:null 2e:["$","title",null,{"children":"MD Zip New Cases Map | Adam Chazan | Observable"}] 33:Td22,chart = { const width = 975; const height = 550; const zoom = d3.zoom() .scaleExtent([1, 4]) .on("zoom", zoomed); const root = d3.create("div") .attr("class", "root"); const svg = root.append("svg") .attr("viewBox", [0, -20, width, height]) .on("click", reset); const g = svg.append("g"); const projection = d3.geoAlbersUsa() .fitSize([width, height], topojson.feature(maryland, maryland.objects.Maryland_Zip_Codes)) const path = d3.geoPath() .projection(projection); const tooltip = root .append("div") .attr("class", "cooltip"); svg.append("g") .attr("transform", "translate(20,35)") .append(() => legend({ color: scale, // this needs to go from scaleLow to scaleHigh somehow title: "Change in new cases", tickFormat: "+r", width: 300, ascending: true })); g.append("g") .attr("cursor", "pointer") .attr("stroke", "grey") .attr("stroke-width", 0.75) .attr("fill", "white") .selectAll("path") .data(topojson.feature(maryland, maryland.objects.Maryland_Zip_Codes).features) .join("path") .attr("fill", d => scale(diff[(d.properties.ZIP_CODE)])) .on("click", clicked) .attr("d", path) .on('mouseover', function (d) { this.classList.add('hovered') d3.select(this) .attr("stroke", "black") .attr("stroke-width", 3) .raise() tooltip.style('display', ''); let node = tooltip.node(); node.innerHTML = ""; node.appendChild(getTooltipContents(d)); renderLineChart(tooltip, d, root); }) .on('mousemove', function () { const rootBounds = root.node().getBoundingClientRect(); const mouseX = d3.event.pageX - rootBounds.left; const mouseY = d3.event.pageY - rootBounds.top; // console.log(Math.min((mouseY - 10), root.node().offsetHeight - 225) + 'px', mouseY); // console.log(mouseY - 10, root.node().offsetHeight - 225); tooltip .style('top', Math.min((mouseY - 10), root.node().offsetHeight - 225) + 'px') .style('left', (mouseX + 160 <= root.node().offsetWidth ? (mouseX + 10) : (mouseX - 190)) + 'px') .style('display', 'block') }) .on('mouseout', function () { this.classList.remove('hovered') d3.select(this) .attr("stroke", null) .attr("stroke-width", 1) .lower() tooltip.style('display', 'none') }); svg.call(zoom); function reset() { svg.transition().duration(750).call( zoom.transform, d3.zoomIdentity, d3.zoomTransform(svg.node()).invert([width / 2, height / 2]) ); } function clicked(d) { const [[x0, y0], [x1, y1]] = path.bounds(d); d3.event.stopPropagation(); svg.transition().duration(750).call( zoom.transform, d3.zoomIdentity .translate(width / 2, height / 2) .scale(Math.min(3, 0.9 / Math.max((x1 - x0) / width, (y1 - y0) / height))) .translate(-(x0 + x1) / 2, -(y0 + y1) / 2), d3.mouse(svg.node()) ); } function zoomed() { const {transform} = d3.event; g.attr("transform", transform); g.attr("stroke-width", 1 / transform.k); } window.addEventListener("resize", () => resized(width, root, svg)); setTimeout(() => resized(width, root, svg), 12); return root.node(); }34:T5f5,renderLineChart = (tooltip, d, root) => { const svg = root.select(".lineChart"); const data = caseTrend.filter(({zip}) => zip == d.properties.ZIP_CODE).map(rollingAvg).filter(d => d != null) const slice = data.slice(data.length - 14, data.length) const margin = ({top: 10, right: 0, bottom: 10, left: 20}) const x = d3.scaleUtc() .domain(d3.extent(slice, d => d.date)) .range([margin.left + 5, lineChartWidth]); const y = d3.scaleLinear() .domain([d3.min(slice, d => d.new_cases), d3.max(slice, d => d.new_cases)]).nice() .range([lineChartHeight - margin.bottom, margin.top]); const yAxis = g => g .attr("transform", `translate(${margin.left},0)`) .call( d3 .axisLeft(y) .tickFormat(t => (t ? t : "")) .tickSize(0) //.tickValues(d3.range(d3.min(data, d => d.value), d3.max(data, d => d.value))) .ticks(2) ) .call(g => g.select(".domain").remove()); svg.append("g").call(yAxis); const line = d3.line() .defined(d => !isNaN(d.new_cases)) .x(d => x(d.date)) .y(d => y(d.new_cases)); const lineFill = diff[(d.properties.ZIP_CODE)] > 0 ? Math.max(diff[(d.properties.ZIP_CODE)], extent[1]/2) : Math.min(diff[(d.properties.ZIP_CODE)], extent[0]/2) svg.append("path") .datum(slice) .attr("fill", "none") .attr("stroke", scale(lineFill)) .attr("stroke-width", 4) .attr("stroke-linejoin", "round") .attr("stroke-linecap", "round") .attr("d", line); }35:[{"id":"311eb0ace0076c06ded15661926914b16c51cddf00ccd624ab224d066dc48cd2d26f8779d1ab626f07d8ec8f99d0c0406ec2f6929bfaff88c675257ef7268455","href":"https://static.observableusercontent.com/files/311eb0ace0076c06ded15661926914b16c51cddf00ccd624ab224d066dc48cd2d26f8779d1ab626f07d8ec8f99d0c0406ec2f6929bfaff88c675257ef7268455","name":"mdzip.json","type":"application/json","lastModified":1595207846675.535,"size":170896}] 31:{"id":"08e5fc3a5ca0fa98","slug":"md-zip-new-cases-map","title":"MD Zip New Cases Map","thumbnail":"50928b3783900ea9a6e395bb8c43221ad6c43da141bfb406cae14ce32cc5ef85","access_level":"public","create_time":"$D2020-07-20T01:16:58.165Z","update_time":"$D2020-10-23T20:05:11.865Z","view_time":null,"first_public_time":"$D2020-07-20T01:47:19.482Z","fork":{"id":"44ce79ba170e8d63","slug":"md-counties-new-cases-map","title":"MD Counties New Cases Map","owner":{"id":"66b1fb28757b26dc","login":"adamchzn","name":"Adam Chazan"}},"stars":0,"starred":false,"owner":{"type":"team","id":"66b1fb28757b26dc","login":"adamchzn","name":"Adam Chazan","avatar_url":"https://avatars-next.observableusercontent.com/e94e73c3a979df4c4a4f695cbab39b9be67575b46e085ceca4413e319c2fbc21","tier":"starter_2024"},"version":1139,"publish_version":1139,"role":null,"authored":false,"authors":[{"type":"individual","id":"254eb01f4d862ede","login":"adamchzn","name":"Adam Chazan","avatar_url":"https://avatars-next.observableusercontent.com/e94e73c3a979df4c4a4f695cbab39b9be67575b46e085ceca4413e319c2fbc21","tier":null}],"members":[{"type":"individual","id":"254eb01f4d862ede","login":"adamchzn","name":"Adam Chazan","avatar_url":"https://avatars-next.observableusercontent.com/e94e73c3a979df4c4a4f695cbab39b9be67575b46e085ceca4413e319c2fbc21","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":4,"collection":{"id":"d107462a60fcb0c2","slug":"coronavirus-dashboard","title":"Coronavirus Dashboard","owner":{"id":"66b1fb28757b26dc","login":"adamchzn","name":"Adam Chazan"}},"type":"notebook","body":{"title":"MD Zip New Cases Map","cells":[{"id":0,"value":"md`# MD Zip New Cases Map`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":83,"value":"$33","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1063,"value":"function resized(width, root, svg) {\n let measuredWidth = root.node().getBoundingClientRect().width;\n if (measuredWidth == 0) {\n setTimeout(() => resized(width, root, svg), 12);\n return;\n }\n let scale = width / measuredWidth;\n svg.selectAll(\"line\").attr(\"stroke-width\", scale + \"px\");\n svg.selectAll(\"text\").attr(\"transform\", \"scale(\" + scale + \" \" + scale + \")\");\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":298,"value":"$34","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":816,"value":" function rollingAvg (b, index, array) {\n let count = 0;\n if (index < 6)\n return null;\n for (let i = 0; i < 7; ++i) {\n count += array[index - i].new_cases;\n };\n return {...b, new_cases: count/7};\n };","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":264,"value":"getTooltipContents = d => {\n \n return html`

\n \n

${d.properties.NAME}

\n ${d.properties.ZIP_CODE} \n \n

New Cases (7 Day Avg.)

\n \n

Today: ${avgCases[(d.properties.ZIP_CODE)]}

Two weeks ago: ${twoWeeks[(d.properties.ZIP_CODE)]}

\n\n

14-Day Trend

\n \n

`\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":308,"value":"lineChartWidth = 125","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":310,"value":"lineChartHeight = 50","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":247,"value":"css =\n\nhtml` \n\n`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1036,"value":"scale = d3.scaleDiverging().domain([maxBlue, 0, maxRed]).interpolator(t => (d3.interpolateRdBu(1 - t)))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1038,"value":"maxBlue = Math.min(Math.min(extent[0], -extent[1]), -10)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1125,"value":"maxRed = Math.max(Math.max(-extent[0], extent[1]), 10)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":204,"value":"log = l => Math.log(l+1)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":207,"value":"extent = d3.extent(Object.values(diff))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":6,"value":"maryland = FileAttachment(\"mdzip.json\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":872,"value":"diff = {\n \n const diff = {}\n for (const zipCode of mdcases.keys()) {\n const dailyAvg = caseTrend.filter(({zip}) => zip == zipCode).map(rollingAvg).filter(d => d != null).map(({new_cases}) => Math.round(new_cases));\n diff[zipCode] = avgCases[zipCode] - twoWeeks[zipCode];\n }\n \n return diff;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":824,"value":"avgCases = {\n \n const avgCases = {}\n for (const zipCode of mdcases.keys()) {\n const dailyAvg = caseTrend.filter(({zip}) => zip == zipCode).map(rollingAvg).filter(d => d != null).map(({new_cases}) => Math.round(new_cases));\n avgCases[zipCode] = dailyAvg[dailyAvg.length - 1];\n }\n \n return avgCases;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":858,"value":"twoWeeks = {\n \n const twoWeeks = {}\n for (const zipCode of mdcases.keys()) {\n const dailyAvg = caseTrend.filter(({zip}) => zip == zipCode).map(rollingAvg).filter(d => d != null).map(({new_cases}) => Math.round(new_cases));\n twoWeeks[zipCode] = dailyAvg[dailyAvg.length - 15];\n }\n \n return twoWeeks;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":317,"value":"caseTrend = Object.assign(await d3.csv(\"https://raw.githubusercontent.com/prayaggordy/D3-covid-map/master/data/md_zips.csv\", d3.autoType)).map(({date, zip, new_cases}) => ({date, zip, new_cases: +new_cases}))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":121,"value":"mdcases = Object.assign(new Map(await d3.csv(\"https://raw.githubusercontent.com/prayaggordy/D3-covid-map/master/data/md_zips_today.csv\", ({zip, cases}) => [zip, +cases])), {title: \"Maryland Cases\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":16,"value":"projection = d3.geoAlbersUsa().scale(1300).translate([487.5, 305])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":12,"value":"path = d3.geoPath()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":7,"value":"topojson = require(\"topojson-client@3\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":10,"value":"d3 = require(\"d3@5\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1054,"value":"import {legend} from \"@d3/color-legend\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"}],"files":"$W35","stdlib":"1","titling":"auto"}} 32:"$31:body"