slides et visuels
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François Pelletier
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d96337b30c
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10 changed files with 361 additions and 1 deletions
167
visuels/baxter.html
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167
visuels/baxter.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<script src="./d3.v5.min.js"></script>
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</head>
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<body>
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<div class="chart" id="chart1"></div>
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<script>
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var data={
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"name": "Baxter",
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"children": [
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{
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"name": "Variabilité",
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"children": [
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{"name":"audience", "value": 6},
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{"name":"contexte", "value": 6}
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]
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},
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{
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"name": "Nature",
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"children": [
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{"name":"descriptif", "value": 3},
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{"name":"narratif", "value": 3},
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{"name":"expressif", "value": 3},
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{"name":"humoristique", "value": 3}
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]
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},
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{
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"name": "Répertoire",
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"children": [
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{"name":"vocabulaire", "value": 4},
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{"name":"grammaire", "value": 4},
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{"name":"figures\nde style", "value": 4}
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]
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},
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{
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"name": "Niveau\nd'analyse",
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"children": [
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{"name":"sociopolitiques", "value": 6},
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{"name":"psychologiques", "value": 6}
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]
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}
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]
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}
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partition = data => {
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const root = d3.hierarchy(data)
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.sum(d => d.value)
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.sort((a, b) => b.value - a.value);
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return d3.partition()
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.size([2 * Math.PI, root.height + 1])
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(root);
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}
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color = d3.scaleOrdinal(d3.quantize(d3.interpolateRainbow, data.children.length + 1))
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format = d3.format(",d")
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width = 750
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radius = width / 6
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arc = d3.arc()
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.startAngle(d => d.x0)
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.endAngle(d => d.x1)
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.padAngle(d => Math.min((d.x1 - d.x0) / 2, 0.005))
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.padRadius(radius * 1.5)
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.innerRadius(d => d.y0 * radius)
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.outerRadius(d => Math.max(d.y0 * radius, d.y1 * radius - 1))
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function chart(partition,data,d3,width,color,arc,format,radius) {
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const root = partition(data);
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root.each(d => d.current = d);
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var svg = d3.select("#chart1")
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.append("svg")
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.attr("viewBox", [0, 0, width, width])
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.style("font", "10px sans-serif");
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const g = svg.append("g")
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.attr("transform", `translate(${width / 2},${width / 2})`);
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const path = g.append("g")
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.selectAll("path")
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.data(root.descendants().slice(1))
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.join("path")
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.attr("fill", d => { while (d.depth > 1) d = d.parent; return color(d.data.name); })
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.attr("fill-opacity", d => arcVisible(d.current) ? (d.children ? 0.6 : 0.4) : 0)
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.attr("d", d => arc(d.current));
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path.filter(d => d.children)
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.style("cursor", "pointer")
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.on("click", clicked);
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path.append("title")
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.text(d => `${d.ancestors().map(d => d.data.name).reverse().join("/")}\n${format(d.value)}`);
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const label = g.append("g")
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.attr("pointer-events", "none")
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.attr("text-anchor", "middle")
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.style("user-select", "none")
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.selectAll("text")
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.data(root.descendants().slice(1))
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.join("text")
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.attr("dy", "0.35em")
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.attr("fill-opacity", d => +labelVisible(d.current))
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.attr("transform", d => labelTransform(d.current))
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.text(d => d.data.name);
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const parent = g.append("circle")
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.datum(root)
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.attr("r", radius)
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.attr("fill", "none")
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.attr("pointer-events", "all")
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.on("click", clicked);
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function clicked(p) {
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parent.datum(p.parent || root);
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root.each(d => d.target = {
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x0: Math.max(0, Math.min(1, (d.x0 - p.x0) / (p.x1 - p.x0))) * 2 * Math.PI,
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x1: Math.max(0, Math.min(1, (d.x1 - p.x0) / (p.x1 - p.x0))) * 2 * Math.PI,
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y0: Math.max(0, d.y0 - p.depth),
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y1: Math.max(0, d.y1 - p.depth)
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});
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const t = g.transition().duration(750);
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// Transition the data on all arcs, even the ones that aren’t visible,
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// so that if this transition is interrupted, entering arcs will start
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// the next transition from the desired position.
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path.transition(t)
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.tween("data", d => {
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const i = d3.interpolate(d.current, d.target);
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return t => d.current = i(t);
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})
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.filter(function(d) {
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return +this.getAttribute("fill-opacity") || arcVisible(d.target);
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})
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.attr("fill-opacity", d => arcVisible(d.target) ? (d.children ? 0.6 : 0.4) : 0)
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.attrTween("d", d => () => arc(d.current));
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label.filter(function(d) {
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return +this.getAttribute("fill-opacity") || labelVisible(d.target);
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}).transition(t)
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.attr("fill-opacity", d => +labelVisible(d.target))
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.attrTween("transform", d => () => labelTransform(d.current));
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}
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function arcVisible(d) {
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return d.y1 <= 3 && d.y0 >= 1 && d.x1 > d.x0;
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}
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function labelVisible(d) {
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return d.y1 <= 3 && d.y0 >= 1 && (d.y1 - d.y0) * (d.x1 - d.x0) > 0.03;
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}
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function labelTransform(d) {
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const x = (d.x0 + d.x1) / 2 * 180 / Math.PI;
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const y = (d.y0 + d.y1) / 2 * radius;
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return `rotate(${x - 90}) translate(${y},0) rotate(${x < 180 ? 0 : 180})`;
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}
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console.log("SVG créé")
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return 0;
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}
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mysvg = chart(partition,data,d3,width,color,arc,format,radius);
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</script>
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</body>
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2
visuels/d3.v5.min.js
vendored
Normal file
2
visuels/d3.v5.min.js
vendored
Normal file
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