2f:T1001,chart = { // Specify the chart’s dimensions. const width = 928; const height = width; const radius = width / 6; // Create the color scale. const color = d3.scaleOrdinal(d3.quantize(d3.interpolateRainbow, data.children.length + 1)); // Compute the layout. const hierarchy = d3.hierarchy(data) .sum(d => d.value) .sort((a, b) => b.value - a.value); const root = d3.partition() .size([2 * Math.PI, hierarchy.height + 1]) (hierarchy); root.each(d => d.current = d); // Create the arc generator. const arc = d3.arc() .startAngle(d => d.x0) .endAngle(d => d.x1) .padAngle(d => Math.min((d.x1 - d.x0) / 2, 0.005)) .padRadius(radius * 1.5) .innerRadius(d => d.y0 * radius) .outerRadius(d => Math.max(d.y0 * radius, d.y1 * radius - 1)) // Create the SVG container. const svg = d3.create("svg") .attr("viewBox", [-width / 2, -height / 2, width, width]) .style("font", "10px sans-serif"); // Append the arcs. const path = svg.append("g") .selectAll("path") .data(root.descendants().slice(1)) .join("path") .attr("fill", d => { while (d.depth > 1) d = d.parent; return color(d.data.name); }) .attr("fill-opacity", d => arcVisible(d.current) ? (d.children ? 0.6 : 0.4) : 0) .attr("pointer-events", d => arcVisible(d.current) ? "auto" : "none") .attr("d", d => arc(d.current)); // Make them clickable if they have children. path.filter(d => d.children) .style("cursor", "pointer") .on("click", clicked); const format = d3.format(",d"); path.append("title") .text(d => `${d.ancestors().map(d => d.data.name).reverse().join("/")}\n${format(d.value)}`); const label = svg.append("g") .attr("pointer-events", "none") .attr("text-anchor", "middle") .style("user-select", "none") .selectAll("text") .data(root.descendants().slice(1)) .join("text") .attr("dy", "0.35em") .attr("fill-opacity", d => +labelVisible(d.current)) .attr("transform", d => labelTransform(d.current)) .text(d => d.data.name); const parent = svg.append("circle") .datum(root) .attr("r", radius) .attr("fill", "none") .attr("pointer-events", "all") .on("click", clicked); // Handle zoom on click. function clicked(event, p) { parent.datum(p.parent || root); root.each(d => d.target = { x0: Math.max(0, Math.min(1, (d.x0 - p.x0) / (p.x1 - p.x0))) * 2 * Math.PI, x1: Math.max(0, Math.min(1, (d.x1 - p.x0) / (p.x1 - p.x0))) * 2 * Math.PI, y0: Math.max(0, d.y0 - p.depth), y1: Math.max(0, d.y1 - p.depth) }); const t = svg.transition().duration(750); // Transition the data on all arcs, even the ones that aren’t visible, // so that if this transition is interrupted, entering arcs will start // the next transition from the desired position. path.transition(t) .tween("data", d => { const i = d3.interpolate(d.current, d.target); return t => d.current = i(t); }) .filter(function(d) { return +this.getAttribute("fill-opacity") || arcVisible(d.target); }) .attr("fill-opacity", d => arcVisible(d.target) ? (d.children ? 0.6 : 0.4) : 0) .attr("pointer-events", d => arcVisible(d.target) ? "auto" : "none") .attrTween("d", d => () => arc(d.current)); label.filter(function(d) { return +this.getAttribute("fill-opacity") || labelVisible(d.target); }).transition(t) .attr("fill-opacity", d => +labelVisible(d.target)) .attrTween("transform", d => () => labelTransform(d.current)); } function arcVisible(d) { return d.y1 <= 3 && d.y0 >= 1 && d.x1 > d.x0; } function labelVisible(d) { return d.y1 <= 3 && d.y0 >= 1 && (d.y1 - d.y0) * (d.x1 - d.x0) > 0.03; } function labelTransform(d) { const x = (d.x0 + d.x1) / 2 * 180 / Math.PI; const y = (d.y0 + d.y1) / 2 * radius; return `rotate(${x - 90}) translate(${y},0) rotate(${x < 180 ? 0 : 180})`; } return svg.node(); }30:[{"id":"a734f33c59fb2d42e9457d2865cce978308d03a6b93f9d801e72de0a5e4e74e261f5c752541aff1e1e9ecf90ccb2dc347611d6870f6b78b33e8feffd016e3294","href":"https://static.observableusercontent.com/files/a734f33c59fb2d42e9457d2865cce978308d03a6b93f9d801e72de0a5e4e74e261f5c752541aff1e1e9ecf90ccb2dc347611d6870f6b78b33e8feffd016e3294","name":"chinese_bibliography_dataset.json","type":"application/json","lastModified":1708827680990.176,"size":860672},{"id":"4db53d63b45c8c3736df4c9b20c41864c1d264861e6f8efa828c9bdf274c587683137a6000cf3589562f4ca8ae6bf83017aef491f39cf1ebabfd1c8aca8eebeb","href":"https://static.observableusercontent.com/files/4db53d63b45c8c3736df4c9b20c41864c1d264861e6f8efa828c9bdf274c587683137a6000cf3589562f4ca8ae6bf83017aef491f39cf1ebabfd1c8aca8eebeb","name":"chinese_bibliography_dataset@2.csv","type":"text/csv","lastModified":1708832603181.892,"size":72749}] 2d:{"title":"Zoomable sunburst","cells":[{"id":0,"value":"

Zoomable sunburst

D3 › Gallery

\n\n# Zoomable sunburst of Chinese Bibliography Information\n\nThis variant of this sunburst diagram shows only two layers of the hierarchy at a time. Click a node to zoom in, or the center to zoom out. Users can see the distribution and hierarchy of Chinese bibliography.","pinned":false,"hidden":false,"mode":"md"},{"id":7,"value":"$2f","pinned":false,"hidden":false,"mode":"ojs"},{"id":522,"value":"**SQL database for users to query**","pinned":false,"hidden":false,"mode":"md"},{"id":476,"value":"SELECT * FROM \"chinese_bibliography_dataset\"","pinned":false,"hidden":false,"mode":"sql","output":"","database":"chinese_bibliography_dataset@2.csv"},{"id":558,"value":"Plot.plot({\n title:\n \"Visualization: The distribution of work appeared in different publication years and regions\",\n marks: [\n Plot.dot(\n chinese_bibliography_dataset2,\n Plot.group(\n { r: \"count\" },\n { x: \"Publication Year\", y: \"Region\", tip: true }\n )\n )\n ]\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":618,"value":"Plot.plot({\n title:\n \"Visualization: The distribution of publishers in different publication years\",\n color: { legend: true },\n marks: [\n Plot.barY(\n chinese_bibliography_dataset2,\n Plot.groupX(\n { y: \"count\" },\n { x: \"Publication Year\", fill: \"Publisher\", tip: true }\n )\n ),\n Plot.ruleY([0])\n ]\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":630,"value":"Plot.plot({\n title:\n \"Visualization: The distribution of authors in different publication years\",\n color: { legend: true },\n height: 800,\n marks: [\n Plot.barY(\n chinese_bibliography_dataset2,\n Plot.groupX(\n { y: \"count\" },\n { x: \"Publication Year\", fill: \"Author\", tip: true }\n )\n ),\n Plot.ruleY([0])\n ]\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":514,"value":"**Free Visualization: Try different visualize factors by yourself**","pinned":false,"hidden":false,"mode":"md"},{"id":478,"value":"Plot.plot({\n marks: [\n Plot.auto(chinese_bibliography_dataset2, {})\n ]\n})","pinned":true,"hidden":false,"mode":"ojs"},{"id":426,"value":"import {Pack} from \"@d3/pack\"","pinned":false,"hidden":false,"mode":"ojs"},{"id":398,"value":"data = FileAttachment(\"chinese_bibliography_dataset.json\").json()","pinned":false,"hidden":false,"mode":"ojs"},{"id":468,"value":"chinese_bibliography_dataset2 = await FileAttachment(\"chinese_bibliography_dataset@2.csv\").csv({typed: \"auto\"})","pinned":false,"hidden":true,"mode":"ojs"}],"files":"$W30","stdlib":"1","titling":"auto"}