Public
Edited
Aug 22, 2023
Paused
17 forks
47 stars
Revenue by music format, 1973–2018New Zealand tourists, 1921–2018Sea ice extent, 1978–2017
U.S. population by State, 1790–1990
Hertzsprung–Russell diagramSpilhaus shoreline mapWalmart’s growthInequality in American citiesU.S. state choroplethWorld choroplethScatterplot matrixLine chart, multiple seriesLine chart with tooltipTreemapBar chart transitionsBand chartCancer survival ratesSlope chartDifference chartDiverging bar chartDiverging stacked bar chartScatterplotSpike mapBubble mapBox plotPSR B1919+21Normalized stacked area chartDirected chord diagramChord dependency diagramVolcano contoursRadial area chartRadial stacked bar chart, sortedRadial stacked bar chartHorizon chartSunburstStreamgraphTidy treeCluster treeRadial cluster treeBeeswarmIciclePie chartCircle packingRadial tidy treeHorizontal bar chartBubble chartStacked area chartLine chart, percent changeSankey diagramIndex chartDisjoint force-directed graphForce-directed graphHistogramBollinger bandsCandlestick chartConnected scatterplotDot plotGrouped bar chartStacked bar chart, normalizedStacked bar chart, horizontalStacked bar chartDonut chartLine chart, missing dataArea chart with missing dataArea chartChoroplethCalendarLine chartColor SchemesWord cloudd3.packEncloseNon-contiguous cartogramStar mapSolar pathSolar TerminatorWorld airports VoronoiU.S. airports VoronoiGeoTIFF contours IIVector fieldRaster & vectorClipped map tilesVector tilesRaster tilesWeb Mercator tilesTissot’s indicatrixProjection comparisonWorld map (canvas)Bivariate choroplethColor legendStyled axesGraticule labels (stereographic)Voronoi labelsPie chart componentBubble chart componentScatterplot with shapesRealtime horizon chartRidgeline plotParallel coordinatesThreshold encodingGradient encodingVariable-color lineMarey’s TrainsMarimekkoChord diagramHierarchical edge bundling IIHierarchical edge bundlingArc diagramMobile patent suitsForce-directed treeTree of LifeIndented treeCircle packing componentNested treemapCascaded treemapParallel setsNormal quantile plotQ–Q PlotHexbin mapHexbin (area)HexbinContoursDensity contoursKernel density estimationMoving averageSeamless zoomable map tilesZoomable bar chartZoomable area chartPannable chartBrushable scatterplot matrixBrushable scatterplotVersor draggingZoomable sunburstZoomable icicleCollapsible treeZoomable circle packingZoomable treemapHierarchical bar chartWorld tourOrthographic to equirectangularZoom to bounding boxSmooth zoomingStreamgraph transitionsStacked-to-grouped barsBar Chart RaceScatterplot tourTemporal force-directed graphAnimated treemap
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chart = {

// Declare the chart dimensions and margins.
const width = 928;
const height = 720;
const marginTop = 10;
const marginRight = 10;
const marginBottom = 30;
const marginLeft = 40;
// Declare the scales.
const x = d3.scaleUtc()
.domain(d3.extent(data, d => d.date))
.range([marginLeft, width - marginRight]);

const y = d3.scaleLinear()
.range([height - marginBottom, marginTop]);
const color = d3.scaleOrdinal()
.domain(regionRank)
.range(d3.schemeCategory10)
.unknown("gray");

// Create the SVG container.
const svg = d3.create("svg")
.attr("width", width)
.attr("height", height)
.attr("viewBox", [0, 0, width, height])
.attr("style", "max-width: 100%; height: auto;");

// Create the areas
const area = d3.area()
.x(d => x(d.data.date))
.y0(d => y(d[0]))
.y1(d => y(d[1]));
svg.append("g")
.attr("fill-opacity", 0.8)
.selectAll("path")
.data(series)
.join("path")
.attr("fill", ({key}) => color(regionByState.get(key)))
.attr("d", area)
.append("title")
.text(({key}) => key);

// Create the lines.
const midline = d3.line()
.curve(d3.curveBasis)
.x(d => x(d.data.date))
.y(d => y((d[0] + d[1]) / 2));

svg.append("g")
.attr("fill", "none")
.attr("stroke-width", 0.75)
.selectAll("path")
.data(series)
.join("path")
.attr("stroke", ({key}) => d3.lab(color(regionByState.get(key))).darker())
.attr("d", area.lineY1());

// Append a path for text labels
svg.append("defs")
.selectAll("path")
.data(series)
.join("path")
.attr("id", d => (d.id = DOM.uid("state")).id)
.attr("d", midline);

// Append the labels.
svg.append("g")
.style("font", "10px sans-serif")
.attr("text-anchor", "middle")
.selectAll("text")
.data(series)
.join("text")
.attr("dy", "0.35em")
.append("textPath")
.attr("href", d => d.id.href)
.attr("startOffset", d => `${Math.max(0.05, Math.min(0.95, d.offset = d3.maxIndex(d, d => d[1] - d[0]) / (d.length - 1))) * 100}%`)
.text(d => d.key);

// Append the axes.
svg.append("g")
.attr("transform", `translate(0,${height - marginBottom})`)
.call(d3.axisBottom(x).ticks(width / 80).tickSizeOuter(0));

svg.append("g")
.attr("transform", `translate(${marginLeft},0)`)
.call(d3.axisLeft(y).ticks(10, "%"))
.call(g => g.select(".domain").remove());

return Object.assign(svg.node(), {scales: {color}});
}
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data = {
const years = d3.range(1790, 2000, 10);
const states = d3.tsvParse(await FileAttachment("population.tsv").text(), (d, i) => i === 0 ? null : ({name: d[""], values: years.map(y => +d[y].replace(/,/g, "") || 0)}));
states.sort((a, b) => d3.ascending(regionRank.indexOf(regionByState.get(a.name)), regionRank.indexOf(regionByState.get(b.name))) || d3.descending(d3.sum(a.values), d3.sum(b.values)));
return Object.assign(years.map((y, i) => Object.fromEntries([["date", new Date(Date.UTC(y, 0, 1))]].concat(states.map(s => [s.name, s.values[i]])))), {columns: ["date", ...states.map(s => s.name)]});
}
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series = d3.stack()
.keys(data.columns.slice(1))
.offset(d3.stackOffsetExpand)
(data)
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regionRank = [
"New England",
"Middle Atlantic",
"South Atlantic",
"East South Central",
"West South Central",
"East North Central",
"West North Central",
"Mountain",
"Pacific"
]
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regionByState = {
const regions = await d3.csv("https://raw.githubusercontent.com/cphalpert/census-regions/7bdc6aa1cb0892361e90ce9ad54983041c2ad015/us%20census%20bureau%20regions%20and%20divisions.csv");
return new Map(regions.map(d => [d.State, d.Division]));
}
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