Public
Edited
Aug 1, 2023
Paused
303 forks
Importers
225 stars
Also listed in…
Visualization
Gallery
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chart = {
const width = 954;
const radius = width / 2;

const tree = d3.cluster()
.size([2 * Math.PI, radius - 100]);
const root = tree(bilink(d3.hierarchy(data)
.sort((a, b) => d3.ascending(a.height, b.height) || d3.ascending(a.data.name, b.data.name))));

const svg = d3.create("svg")
.attr("width", width)
.attr("height", width)
.attr("viewBox", [-width / 2, -width / 2, width, width])
.attr("style", "max-width: 100%; height: auto; font: 10px sans-serif;");

const node = svg.append("g")
.selectAll()
.data(root.leaves())
.join("g")
.attr("transform", d => `rotate(${d.x * 180 / Math.PI - 90}) translate(${d.y},0)`)
.append("text")
.attr("dy", "0.31em")
.attr("x", d => d.x < Math.PI ? 6 : -6)
.attr("text-anchor", d => d.x < Math.PI ? "start" : "end")
.attr("transform", d => d.x >= Math.PI ? "rotate(180)" : null)
.text(d => d.data.name)
.each(function(d) { d.text = this; })
.on("mouseover", overed)
.on("mouseout", outed)
.call(text => text.append("title").text(d => `${id(d)}
${d.outgoing.length} outgoing
${d.incoming.length} incoming`));

const line = d3.lineRadial()
.curve(d3.curveBundle.beta(0.85))
.radius(d => d.y)
.angle(d => d.x);

const link = svg.append("g")
.attr("stroke", colornone)
.attr("fill", "none")
.selectAll()
.data(root.leaves().flatMap(leaf => leaf.outgoing))
.join("path")
.style("mix-blend-mode", "multiply")
.attr("d", ([i, o]) => line(i.path(o)))
.each(function(d) { d.path = this; });

function overed(event, d) {
link.style("mix-blend-mode", null);
d3.select(this).attr("font-weight", "bold");
d3.selectAll(d.incoming.map(d => d.path)).attr("stroke", colorin).raise();
d3.selectAll(d.incoming.map(([d]) => d.text)).attr("fill", colorin).attr("font-weight", "bold");
d3.selectAll(d.outgoing.map(d => d.path)).attr("stroke", colorout).raise();
d3.selectAll(d.outgoing.map(([, d]) => d.text)).attr("fill", colorout).attr("font-weight", "bold");
}

function outed(event, d) {
link.style("mix-blend-mode", "multiply");
d3.select(this).attr("font-weight", null);
d3.selectAll(d.incoming.map(d => d.path)).attr("stroke", null);
d3.selectAll(d.incoming.map(([d]) => d.text)).attr("fill", null).attr("font-weight", null);
d3.selectAll(d.outgoing.map(d => d.path)).attr("stroke", null);
d3.selectAll(d.outgoing.map(([, d]) => d.text)).attr("fill", null).attr("font-weight", null);
}

return svg.node();
}
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data = hierarchy(await FileAttachment("flare.json").json())
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function hierarchy(data, delimiter = ".") {
let root;
const map = new Map;
data.forEach(function find(data) {
const {name} = data;
if (map.has(name)) return map.get(name);
const i = name.lastIndexOf(delimiter);
map.set(name, data);
if (i >= 0) {
find({name: name.substring(0, i), children: []}).children.push(data);
data.name = name.substring(i + 1);
} else {
root = data;
}
return data;
});
return root;
}
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function id(node) {
return `${node.parent ? id(node.parent) + "." : ""}${node.data.name}`;
}
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colorin = "#00f"
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colorout = "#f00"
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colornone = "#ccc"
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