xxxxxxxxxx<meta charset="utf-8"><style>path { stroke: #fff;}</style><body><script src="//d3js.org/d3.v3.min.js"></script><script>var width = 960, height = 500, radius = 230;var color = d3.scale.category20c();var partition = d3.layout.partition() .size([2 * Math.PI, radius]) .value(function(d) { return d.size; });var arc = d3.svg.arc() .startAngle(function(d) { return d.x; }) .endAngle(function(d) { return d.x + d.dx; }) .innerRadius(function(d) { return d.y; }) .outerRadius(function(d) { return d.y + d.dy; });var svg = d3.select("body").append("svg") .attr("width", width) .attr("height", height) .append("g") .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");d3.json("readme.json", function(error, root) { if (error) throw error; path = svg.data([root]).selectAll("path") .data(partition.nodes) .enter().append("path") .attr("d", arc) .style("fill", function(d) { return color((d.children ? d : d.parent).name); }) .on("click", magnify) .each(stash);});// Distort the specified node to 80% of its parent.function magnify(node) { if (parent = node.parent) { var parent, x = parent.x, k = .8; parent.children.forEach(function(sibling) { x += reposition(sibling, x, sibling === node ? parent.dx * k / node.value : parent.dx * (1 - k) / (parent.value - node.value)); }); } else { reposition(node, 0, node.dx / node.value); } path.transition() .duration(750) .attrTween("d", arcTween);}// Recursively reposition the node at position x with scale k.function reposition(node, x, k) { node.x = x; if (node.children && (n = node.children.length)) { var i = -1, n; while (++i < n) x += reposition(node.children[i], x, k); } return node.dx = node.value * k;}// Stash the old values for transition.function stash(d) { d.x0 = d.x; d.dx0 = d.dx;}// Interpolate the arcs in data space.function arcTween(a) { var i = d3.interpolate({x: a.x0, dx: a.dx0}, a); return function(t) { var b = i(t); a.x0 = b.x; a.dx0 = b.dx; return arc(b); };}</script> https://d3js.org/d3.v3.min.js