Public
Edited
Sep 23
132 forks
Importers
97 stars
Revenue by music format, 1973–2018New Zealand tourists, 1921–2018Sea ice extent, 1978–2017U.S. population by State, 1790–1990Hertzsprung–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 tree
Circle packing component
Nested 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 = Pack(flare, {
value: d => d.size, // size of each node (file); null for internal nodes (folders)
label: (d, n) => [...d.name.split(/(?=[A-Z][a-z])/g), n.value.toLocaleString("en")].join("\n"),
title: (d, n) => `${n.ancestors().reverse().map(({data: d}) => d.name).join(".")}\n${n.value.toLocaleString("en")}`,
link: (d, n) => n.children
? `https://github.com/prefuse/Flare/tree/master/flare/src/${n.ancestors().reverse().map(d => d.data.name).join("/")}`
: `https://github.com/prefuse/Flare/blob/master/flare/src/${n.ancestors().reverse().map(d => d.data.name).join("/")}.as`,
width: 1152,
height: 1152
})
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flare = FileAttachment("flare.json").json()
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// Copyright 2021-2023 Observable, Inc.
// Released under the ISC license.
// https://observablehq.com/@d3/pack
function Pack(data, { // data is either tabular (array of objects) or hierarchy (nested objects)
path, // as an alternative to id and parentId, returns an array identifier, imputing internal nodes
id = Array.isArray(data) ? d => d.id : null, // if tabular data, given a d in data, returns a unique identifier (string)
parentId = Array.isArray(data) ? d => d.parentId : null, // if tabular data, given a node d, returns its parent’s identifier
children, // if hierarchical data, given a d in data, returns its children
value, // given a node d, returns a quantitative value (for area encoding; null for count)
sort = (a, b) => d3.descending(a.value, b.value), // how to sort nodes prior to layout
label, // given a leaf node d, returns the display name
title, // given a node d, returns its hover text
link, // given a node d, its link (if any)
linkTarget = "_blank", // the target attribute for links, if any
width = 640, // outer width, in pixels
height = 400, // outer height, in pixels
margin = 1, // shorthand for margins
marginTop = margin, // top margin, in pixels
marginRight = margin, // right margin, in pixels
marginBottom = margin, // bottom margin, in pixels
marginLeft = margin, // left margin, in pixels
padding = 3, // separation between circles
fill = "#ddd", // fill for leaf circles
fillOpacity, // fill opacity for leaf circles
stroke = "#bbb", // stroke for internal circles
strokeWidth, // stroke width for internal circles
strokeOpacity, // stroke opacity for internal circles
} = {}) {

// If id and parentId options are specified, or the path option, use d3.stratify
// to convert tabular data to a hierarchy; otherwise we assume that the data is
// specified as an object {children} with nested objects (a.k.a. the “flare.json”
// format), and use d3.hierarchy.
const root = path != null ? d3.stratify().path(path)(data)
: id != null || parentId != null ? d3.stratify().id(id).parentId(parentId)(data)
: d3.hierarchy(data, children);

// Compute the values of internal nodes by aggregating from the leaves.
value == null ? root.count() : root.sum(d => Math.max(0, value(d)));

// Compute labels and titles.
const descendants = root.descendants();
const leaves = descendants.filter(d => !d.children);
leaves.forEach((d, i) => d.index = i);
const L = label == null ? null : leaves.map(d => label(d.data, d));
const T = title == null ? null : descendants.map(d => title(d.data, d));

// Sort the leaves (typically by descending value for a pleasing layout).
if (sort != null) root.sort(sort);

// Compute the layout.
d3.pack()
.size([width - marginLeft - marginRight, height - marginTop - marginBottom])
.padding(padding)
(root);

const svg = d3.create("svg")
.attr("viewBox", [-marginLeft, -marginTop, width, height])
.attr("width", width)
.attr("height", height)
.attr("style", "max-width: 100%; height: auto; height: intrinsic;")
.attr("font-family", "sans-serif")
.attr("font-size", 10)
.attr("text-anchor", "middle");

const node = svg.selectAll("a")
.data(descendants)
.join("a")
.attr("xlink:href", link == null ? null : (d, i) => link(d.data, d))
.attr("target", link == null ? null : linkTarget)
.attr("transform", d => `translate(${d.x},${d.y})`);

node.append("circle")
.attr("fill", d => d.children ? "#fff" : fill)
.attr("fill-opacity", d => d.children ? null : fillOpacity)
.attr("stroke", d => d.children ? stroke : null)
.attr("stroke-width", d => d.children ? strokeWidth : null)
.attr("stroke-opacity", d => d.children ? strokeOpacity : null)
.attr("r", d => d.r);

if (T) node.append("title").text((d, i) => T[i]);

if (L) {
// A unique identifier for clip paths (to avoid conflicts).
const uid = `O-${Math.random().toString(16).slice(2)}`;

const leaf = node
.filter(d => !d.children && d.r > 10 && L[d.index] != null);

leaf.append("clipPath")
.attr("id", d => `${uid}-clip-${d.index}`)
.append("circle")
.attr("r", d => d.r);

leaf.append("text")
.attr("clip-path", d => `url(${new URL(`#${uid}-clip-${d.index}`, location)})`)
.selectAll("tspan")
.data(d => `${L[d.index]}`.split(/\n/g))
.join("tspan")
.attr("x", 0)
.attr("y", (d, i, D) => `${(i - D.length / 2) + 0.85}em`)
.attr("fill-opacity", (d, i, D) => i === D.length - 1 ? 0.7 : null)
.text(d => d);
}

return svg.node();
}
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CirclePacking = Pack // deprecated alias
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import {howto} from "@d3/example-components"
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