A force-directed graph using images as nodes, with accompanying text labels.
forked from mbostock's block: Labeled Force Layout
forked from newsummit's block: Labeled Force Layout
forked from newsummit's block: Labeled Force Layout 2
xxxxxxxxxx<head> <meta charset="utf-8"> <script src="https://d3js.org/d3.v3.js"></script> <style> .link { stroke: #ccc; } .node text { pointer-events: none; font: 10px sans-serif; } </style></head><body> <div id="main"></div><script> var cfg = { w: 800, //Width of the circle h: 800, //Height of the circle margin: {top: 20, right: 20, bottom: 20, left: 20}, //The margins around the circle levels: 4, //How many levels or inner circles should there be drawn maxValue: 1, //What is the value that the biggest circle will represent labelFactor: 1.25, //How much farther than the radius of the outer circle should the labels be placed wrapWidth: 135, //The number of pixels after which a label needs to be given a new line opacityArea: 0.35, //The opacity of the area of the blob dotRadius: 4, //The size of the colored circles of each blog opacityCircles: 0.05, //The opacity of the circles of each blob strokeWidth: 2, //The width of the stroke around each blob roundStrokes: false, //If true the area and stroke will follow a round path (cardinal-closed) color: d3.scale.ordinal().range(d3.shuffle(['#1f77b4','#ff7f0e','#2ca02c','#d62728','#8c564b','#e377c2','#EDB220'])), //Color function sourceNode: '001', axisName: "axis", value: "value", sortAreas: true, id: ".radarChart" }; var radius = Math.min(cfg.w/2, cfg.h/2), //Radius of the outermost circle Format = d3.format('%'); //Percentage formatting //Scale for the radius var rScale = d3.scale.linear().domain([0, 1]).range([0, radius]); ///////////////////////////////////////////////////////// //////////// Create the container SVG and g ///////////// ///////////////////////////////////////////////////////// //Remove whatever chart with the same id/class was present before //d3.select(id).select("svg").remove(); //Initiate the radar chart SVG var svg = d3.select(cfg.id).append("svg") .attr("width", cfg.w + cfg.margin.left + cfg.margin.right) .attr("height", cfg.h + cfg.margin.top + cfg.margin.bottom) .attr("class", "radar"+cfg.id); //Append a g element var g = svg.append("g") .attr("transform", "translate(" + (cfg.w/2 + cfg.margin.left) + "," + (cfg.h/2 + cfg.margin.top) + ")"); ///////////////////////////////////////////////////////// ////////// Glow filter for some extra pizzazz /////////// ///////////////////////////////////////////////////////// //Filter for the outside glow var filter = g.append('defs').append('filter').attr('id','glow'), feGaussianBlur = filter.append('feGaussianBlur').attr('stdDeviation','2.5').attr('result','coloredBlur'), feMerge = filter.append('feMerge'), feMergeNode_1 = feMerge.append('feMergeNode').attr('in','coloredBlur'), feMergeNode_2 = feMerge.append('feMergeNode').attr('in','SourceGraphic'); ///////////////////////////////////////////////////////// /////////////// Draw the Circular grid ////////////////// ///////////////////////////////////////////////////////// //Wrapper for the grid & axes var axisGrid = g.append("g").attr("class", "axisWrapper"); //Draw the background circles axisGrid.selectAll(".levels") .data(d3.range(1,(cfg.levels+1)).reverse()) .enter() .append("circle") .attr("class", "gridCircle") .attr("r", function(d, i){return radius/cfg.levels*d;}) .style("fill", "#CDCDCD") .style("stroke", "#CDCDCD") .style("fill-opacity", cfg.opacityCircles) .style("filter" , "url(#glow)"); //Text indicating at what % each level is axisGrid.selectAll(".axisLabel") .data(d3.range(1,(cfg.levels+1)).reverse()) .enter().append("text") .attr("class", "axisLabel") .attr("x", 4) .attr("y", function(d){return -d*radius/cfg.levels;}) .attr("dy", "0.4em") .style("font-size", "14px") .attr("fill", "#737373") .text(function(d,i) { //console.log('d: '+ d + ' levels : ' + cfg.levels); return Format(maxValue * d/cfg.levels); }); var link, node, width = 960, height = 700, maxDist = 300, minDist = 20, force = d3.layout.force() .gravity(0.05) .charge(-500) .size([cfg.w, cfg.h]);d3.json("graph.json", function(error, json) { if (error) throw error; force .nodes(json.nodes) .links(json.links) .distance(function(d){ //console.log(d.source.index); return Math.random() * maxDist + minDist; }) .start(); link = svg.selectAll(".link") .data(json.links) .enter().append("line") .attr("class", "link"); // Create a 'g' node for each data entry node = svg.selectAll(".node") .data(json.nodes) .enter().append("g") .attr("class", "node"); //.call(force.drag); // Insert image element node.append("image") .attr("xlink:href", "https://github.com/favicon.ico") .attr("x", -8) .attr("y", -8) .attr("width", 16) .attr("height", 16); // Insert rect element with no width yet node.append("rect") .attr("x", 6) .attr("y", -10) .attr("rx", 8) .attr("ry", 8) .attr("height", 24) .style("fill", "#FFE6F0"); // Add title name node.append("text") .attr("dx", 12) .attr("dy", ".35em") .attr("class", "text") .attr("data-weight", function(d) { return d.weight; }) .text(function(d) { return d.name }); // Now, set the rect width based on title length node.selectAll("rect") .attr("width", function(d) { var txtWidth = this.parentNode.children[2].getComputedTextLength(); return Math.floor(txtWidth + 15); }); //node.call(force.drag); console.log('links: ' ,link); console.log('nodes: ' ,node); force.on("tick", function() { link.attr("x1", function(d) { return d.source.x; }) .attr("y1", function(d) { return d.source.y; }) .attr("x2", function(d) { return d.target.x; }) .attr("y2", function(d) { return d.target.y; }); node.attr("transform", function(d) { if (d.index == 0) { d.x = 500; d.y = 500; } return "translate(" + d.x + "," + d.y + ")"; }); });});</script></body> https://d3js.org/d3.v3.js