/* ------------------------------------------------------------------------------ * * # D3.js - cluster dendrogram * * Demo of cluster dendrogram setup in cartesian orientation * * Version: 1.0 * Latest update: August 1, 2015 * * ---------------------------------------------------------------------------- */ $(function () { // Initialize chart treeCluster('#d3-tree-dendrogram', 800); // Chart setup function treeCluster(element, height) { // Basic setup // ------------------------------ // Define main variables var d3Container = d3.select(element), margin = {top: 0, right: 0, bottom: 0, left: 40}, width = d3Container.node().getBoundingClientRect().width - margin.left - margin.right, height = height - margin.top - margin.bottom - 5; // Create chart // ------------------------------ // Add SVG element var container = d3Container.append("svg"); // Add SVG group var svg = container .attr("width", width + margin.left + margin.right) .attr("height", height + margin.top + margin.bottom) .append("g") .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); // Construct chart layout // ------------------------------ // Cluster var cluster = d3.layout.cluster() .size([height, width - 180]); // Diagonal projection var diagonal = d3.svg.diagonal() .projection(function(d) { return [d.y, d.x]; }); // Load data // ------------------------------ d3.json("assets/demo_data/d3/tree/tree_data_dendrogram.json", function(error, root) { var nodes = cluster.nodes(root), links = cluster.links(nodes); // Links // ------------------------------ // Append link group var linkGroup = svg.append("g") .attr("class", "d3-tree-link-group"); // Append link path var link = linkGroup.selectAll(".d3-tree-link") .data(links) .enter() .append("path") .attr("class", "d3-tree-link") .style("fill", "none") .style("stroke", "#ddd") .style("stroke-width", 1.5) .attr("d", diagonal); // Nodes // ------------------------------ // Append node group var nodeGroup = svg.append("g") .attr("class", "d3-tree-node-group"); // Append node var node = nodeGroup.selectAll(".d3-tree-node") .data(nodes) .enter() .append("g") .attr("class", "d3-tree-node") .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; }) // Append node circles node.append("circle") .style("fill", "#fff") .style("stroke", "#2196F3") .style("stroke-width", 1.5) .attr("r", 4.5); // Append node text var text = node.append("text") .attr("dx", function(d) { return d.children ? -10 : 10; }) .attr("dy", 4) .style("text-anchor", function(d) { return d.children ? "end" : "start"; }) .style("font-size", 12) .style("background-color", "#fff") .text(function(d) { return d.name; }); // Resize chart // ------------------------------ // Call function on window resize $(window).on('resize', resize); // Call function on sidebar width change $('.sidebar-control').on('click', resize); // Resize function // // Since D3 doesn't support SVG resize by default, // we need to manually specify parts of the graph that need to // be updated on window resize function resize() { // Layout variables width = d3Container.node().getBoundingClientRect().width - margin.left - margin.right, nodes = cluster.nodes(root), links = cluster.links(nodes); // Layout // ------------------------- // Main svg width container.attr("width", width + margin.left + margin.right); // Width of appended group svg.attr("width", width + margin.left + margin.right); // Tree size cluster.size([height, width - 180]); // Chart elements // ------------------------- // Link paths svg.selectAll(".d3-tree-link").attr("d", diagonal) // Node paths svg.selectAll(".d3-tree-node").attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; }); } }); } });