| <html> | |
| <head> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| label { | |
| font: "Helvetica Neue", Helvetica, Arial, sans-serif; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="networkGraph"></div> | |
| </body> | |
| <script> | |
| function blogGraph(graph) { | |
| const width = "960"; | |
| const height = "600"; | |
| const sourceRadius = 45; | |
| const entityRadius = 35; | |
| var svg = d3.select("#networkGraph") | |
| .append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var simulation = d3.forceSimulation() | |
| .force("link", d3.forceLink().id(function(d) { return d.id; })) | |
| .force('charge', d3.forceManyBody() | |
| .strength(-1900) | |
| .theta(0.5) | |
| .distanceMax(1500) | |
| ) | |
| .force('collision', d3.forceCollide().radius(function(d) { | |
| return d.radius | |
| })) | |
| .force("center", d3.forceCenter(document.querySelector("#networkGraph").clientWidth / 2, document.querySelector("#networkGraph").clientHeight / 2)); | |
| var defs = svg.append("defs"); | |
| defs.append("radialGradient") | |
| .attr("id", "entity-gradient") | |
| .attr("cx", "50%") | |
| .attr("cy", "50%") | |
| .attr("r", "50%") | |
| .selectAll("stop") | |
| .data([ | |
| {offset: "50%", color: "#ffffff"}, | |
| {offset: "100%", color: "#CCCCCC"}, | |
| ]) | |
| .enter().append("stop") | |
| .attr("offset", function(d) { return d.offset; }) | |
| .attr("stop-color", function(d) { return d.color; }); | |
| defs.append("radialGradient") | |
| .attr("id", "source-gradient") | |
| .selectAll("stop") | |
| .data([ | |
| {offset: "20%", color: "#eda515"}, | |
| {offset: "100%", color: "#827777"}, | |
| ]) | |
| .enter().append("stop") | |
| .attr("offset", function(d) { return d.offset; }) | |
| .attr("stop-color", function(d) { return d.color; }); | |
| var link = svg.append("g") | |
| .selectAll("line") | |
| .data(graph.links) | |
| .enter().append("line") | |
| link | |
| .style("stroke", "#aaa"); | |
| var node = svg.append("g") | |
| .attr("class", "nodes") | |
| .selectAll("circle") | |
| .data(graph.nodes) | |
| .enter().append("circle") | |
| //I made the article/source nodes larger than attribute nodes | |
| .attr("r", function(d){return d.category==0 ? sourceRadius : entityRadius}); | |
| node | |
| .style("fill", "#cccccc") | |
| .style("fill-opacity","0.9") | |
| .style("stroke", "#424242") | |
| .style("stroke-width", "1px"); | |
| node | |
| .style("fill", function(d){return d.category==0 ? "url(#source-gradient)" : "url(#entity-gradient)"}); | |
| var label = svg.append("g") | |
| .attr("class", "labels") | |
| .selectAll("text") | |
| .data(graph.nodes) | |
| .enter().append("text") | |
| .text(function(d) { return d.name; }) | |
| .attr("class", "label"); | |
| label | |
| .style("text-anchor", "middle") | |
| .style("font-size", function(d) {return d.category == 1 ? Math.min(2 * entityRadius, (2 * entityRadius - 8) / this.getComputedTextLength() * 15) + "px" : Math.min(2 * sourceRadius, (2 * sourceRadius - 8) / this.getComputedTextLength() * 15) + "px"; }); | |
| label | |
| .on("mouseover", function(d){ | |
| tooltip.html(`${d.name}`); | |
| return tooltip.style("visibility", "visible");}) | |
| .on("mousemove", function(){ | |
| return tooltip.style("top", (d3.event.pageY-10)+"px").style("left",(d3.event.pageX+10)+"px");}) | |
| node | |
| .on("mouseover", function(d){ | |
| tooltip.html(`${d.name}`); | |
| return tooltip.style("visibility", "visible");}) | |
| .on("mousemove", function(){ | |
| return tooltip.style("top", (d3.event.pageY-10)+"px").style("left",(d3.event.pageX+10)+"px");}) | |
| .on("mouseout", function(){return tooltip.style("visibility", "hidden");}); | |
| simulation | |
| .nodes(graph.nodes) | |
| .on("tick", ticked); | |
| simulation.force("link") | |
| .links(graph.links); | |
| function ticked() { | |
| 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("cx", function (d) { return d.x+5; }) | |
| .attr("cy", function(d) { return d.y-3; }); | |
| label | |
| .attr("x", function(d) { return d.x; }) | |
| .attr("y", function (d) { return d.y; }); | |
| } | |
| var tooltip = d3.select("body") | |
| .append("div") | |
| .style("position", "absolute") | |
| .style("visibility", "hidden") | |
| .style("color", "white") | |
| .style("padding", "8px") | |
| .style("background-color", "#626D71") | |
| .style("border-radius", "6px") | |
| .style("text-align", "center") | |
| .style("width", "auto") | |
| .text(""); | |
| } | |
| var graphUrl = ''; //filepath or url for your data goes here | |
| d3.json(graphUrl,function(error,data){ | |
| blogGraph(data) | |
| }); | |
| </script> | |
| </html> |
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