Published
Edited
Sep 2, 2020
120 forks
Importers
164 stars
Global temperature trendsBeeswarm, Log ScaleContoursDensity contoursBubble chart componentCircle packing componentExploring Data with Vega-LiteStreaming data into VegaVega-Lite Line ChartBrushable scatterplotVega-Lite ScatterplotNight Skies — Lights and Light Pollution WebGL GlobePhysics based t-SNEGraphvizRidgeline plotZoomable sunburstHierarchical edge bundlingMethods of Comparison, ComparedChord diagramA Guide to Guides: Axes & Legends in VegaPSR B1919+21HexbinStacked-to-grouped bars
Tree of Life
Heat indexZoomable circle packingMarimekkoVizsla and Vega-LiteDirectly labelling linesParallel coordinatesCollapsible treeTangled tree visualizationMarey’s TrainsWorld History TimelineSmall multiple chart cartogramThe Real MVP in the NBAAnimated treemapDensity Contour Matrix with BrushingStars and constellationsHertzsprung–Russell diagramThe Coronavirus landscapeGitHub BurndownCandlestick ChartConcentration values vs. TimeA few days of CO2 levels in my homeIrregular bins histogramELD ViewerDistributions and summary statistics - a collection of Plot examplesMermaidBivariate Bubble MapD3 galleryCalendarStacked bar chartDot plotConnected scatterplotCandlestick chartHistogramForce-directed graphDisjoint force-directed graphIndex chartSankey diagramLine chart, percent changeStacked area chartBubble chartArea chartHorizontal bar chartRadial tidy treeCircle packingIcicleStreamgraphTidy treeCluster treeSunburstHorizon chartBox plotScatterplotDifference chartBand chartBar chart transitionsTreemapLine chart, multiple seriesScatterplot matrixBrushable scatterplot matrixPlayfair's Wheat and Wages
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Gallery
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chart = {
const root = d3.hierarchy(data, d => d.branchset)
.sum(d => d.branchset ? 0 : 1)
.sort((a, b) => (a.value - b.value) || d3.ascending(a.data.length, b.data.length));

cluster(root);
setRadius(root, root.data.length = 0, innerRadius / maxLength(root));
setColor(root);

const svg = d3.create("svg")
.attr("viewBox", [-outerRadius, -outerRadius, width, width])
.attr("font-family", "sans-serif")
.attr("font-size", 10);

svg.append("g")
.call(legend);

svg.append("style").text(`

.link--active {
stroke: #000 !important;
stroke-width: 1.5px;
}

.link-extension--active {
stroke-opacity: .6;
}

.label--active {
font-weight: bold;
}

`);

const linkExtension = svg.append("g")
.attr("fill", "none")
.attr("stroke", "#000")
.attr("stroke-opacity", 0.25)
.selectAll("path")
.data(root.links().filter(d => !d.target.children))
.join("path")
.each(function(d) { d.target.linkExtensionNode = this; })
.attr("d", linkExtensionConstant);

const link = svg.append("g")
.attr("fill", "none")
.attr("stroke", "#000")
.selectAll("path")
.data(root.links())
.join("path")
.each(function(d) { d.target.linkNode = this; })
.attr("d", linkConstant)
.attr("stroke", d => d.target.color);

svg.append("g")
.selectAll("text")
.data(root.leaves())
.join("text")
.attr("dy", ".31em")
.attr("transform", d => `rotate(${d.x - 90}) translate(${innerRadius + 4},0)${d.x < 180 ? "" : " rotate(180)"}`)
.attr("text-anchor", d => d.x < 180 ? "start" : "end")
.text(d => d.data.name.replace(/_/g, " "))
.on("mouseover", mouseovered(true))
.on("mouseout", mouseovered(false));

function update(checked) {
const t = d3.transition().duration(750);
linkExtension.transition(t).attr("d", checked ? linkExtensionVariable : linkExtensionConstant);
link.transition(t).attr("d", checked ? linkVariable : linkConstant);
}

function mouseovered(active) {
return function(event, d) {
d3.select(this).classed("label--active", active);
d3.select(d.linkExtensionNode).classed("link-extension--active", active).raise();
do d3.select(d.linkNode).classed("link--active", active).raise();
while (d = d.parent);
};
}

return Object.assign(svg.node(), {update});
}
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update = chart.update(showLength)
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cluster = d3.cluster()
.size([360, innerRadius])
.separation((a, b) => 1)
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color = d3.scaleOrdinal()
.domain(["Bacteria", "Eukaryota", "Archaea"])
.range(d3.schemeCategory10)
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// Compute the maximum cumulative length of any node in the tree.
function maxLength(d) {
return d.data.length + (d.children ? d3.max(d.children, maxLength) : 0);
}
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// Set the radius of each node by recursively summing and scaling the distance from the root.
function setRadius(d, y0, k) {
d.radius = (y0 += d.data.length) * k;
if (d.children) d.children.forEach(d => setRadius(d, y0, k));
}
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// Set the color of each node by recursively inheriting.
function setColor(d) {
var name = d.data.name;
d.color = color.domain().indexOf(name) >= 0 ? color(name) : d.parent ? d.parent.color : null;
if (d.children) d.children.forEach(setColor);
}
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function linkVariable(d) {
return linkStep(d.source.x, d.source.radius, d.target.x, d.target.radius);
}
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function linkConstant(d) {
return linkStep(d.source.x, d.source.y, d.target.x, d.target.y);
}
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function linkExtensionVariable(d) {
return linkStep(d.target.x, d.target.radius, d.target.x, innerRadius);
}
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function linkExtensionConstant(d) {
return linkStep(d.target.x, d.target.y, d.target.x, innerRadius);
}
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function linkStep(startAngle, startRadius, endAngle, endRadius) {
const c0 = Math.cos(startAngle = (startAngle - 90) / 180 * Math.PI);
const s0 = Math.sin(startAngle);
const c1 = Math.cos(endAngle = (endAngle - 90) / 180 * Math.PI);
const s1 = Math.sin(endAngle);
return "M" + startRadius * c0 + "," + startRadius * s0
+ (endAngle === startAngle ? "" : "A" + startRadius + "," + startRadius + " 0 0 " + (endAngle > startAngle ? 1 : 0) + " " + startRadius * c1 + "," + startRadius * s1)
+ "L" + endRadius * c1 + "," + endRadius * s1;
}
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legend = svg => {
const g = svg
.selectAll("g")
.data(color.domain())
.join("g")
.attr("transform", (d, i) => `translate(${-outerRadius},${-outerRadius + i * 20})`);

g.append("rect")
.attr("width", 18)
.attr("height", 18)
.attr("fill", color);

g.append("text")
.attr("x", 24)
.attr("y", 9)
.attr("dy", "0.35em")
.text(d => d);
}
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data = parseNewick(await FileAttachment("life.txt").text())
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width = 954
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outerRadius = width / 2
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innerRadius = outerRadius - 170
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// https://github.com/jasondavies/newick.js
function parseNewick(a){for(var e=[],r={},s=a.split(/\s*(;|\(|\)|,|:)\s*/),t=0;t<s.length;t++){var n=s[t];switch(n){case"(":var c={};r.branchset=[c],e.push(r),r=c;break;case",":var c={};e[e.length-1].branchset.push(c),r=c;break;case")":r=e.pop();break;case":":break;default:var h=s[t-1];")"==h||"("==h||","==h?r.name=n:":"==h&&(r.length=parseFloat(n))}}return r}
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d3 = require("d3@6")
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