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48 lines
2.8 KiB
48 lines
2.8 KiB
11 years ago
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function linkstructure(hostname, element, width, height, maxtime, maxnodes) {
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var nodes = {};
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var links = [];
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$.getJSON("/api/linkstructure.json?about=" + hostname + "&maxtime=" + maxtime + "&maxnodes=" + maxnodes, function(links) {
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links.forEach(function(link) {
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link.source = nodes[link.source] || (nodes[link.source] = {name: link.source});
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link.target = nodes[link.target] || (nodes[link.target] = {name: link.target});
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});
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var force = d3.layout.force().nodes(d3.values(nodes)).links(links).size([width, height]).linkDistance(60).charge(-800).on("tick", tick).start();
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var svg = d3.select(element).append("svg").attr("id", "hypertree").attr("width", width).attr("height", height);
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svg.append("defs").selectAll("marker")
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.data(["Dead", "Outbound", "InboundOk"])
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.enter().append("marker")
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.attr("id", function(d) { return d; })
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.attr("viewBox", "0 -5 10 10")
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.attr("refX", 15)
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.attr("refY", -1.5)
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.attr("markerWidth", 6)
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.attr("markerHeight", 6)
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.attr("orient", "auto")
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.append("path")
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.attr("d", "M0,-5L10,0L0,5");
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svg.append("text").attr("x", 10).attr("y", 15).text(hostname).attr("style", "font-size:16px").attr("fill", "black");
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svg.append("text").attr("x", 10).attr("y", 30).text("Site Link Structure Visualization made with YaCy").attr("style", "font-size:9px").attr("fill", "black");
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svg.append("text").attr("x", 10).attr("y", 40).text(new Date()).attr("style", "font-size:9px").attr("fill", "black");
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svg.append("text").attr("x", 10).attr("y", height - 20).text("green: links to same domain").attr("style", "font-size:9px").attr("fill", "green");
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svg.append("text").attr("x", 10).attr("y", height - 10).text("blue: links to other domains").attr("style", "font-size:9px").attr("fill", "lightblue");
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svg.append("text").attr("x", 10).attr("y", height).text("red: dead links").attr("style", "font-size:9px").attr("fill", "red");
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var path = svg.append("g").selectAll("path").data(force.links()).enter().append("path").attr("class",
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function(d) {return "hypertree-link " + d.type; }).attr("marker-end", function(d) { return "url(#" + d.type + ")";});
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var circle = svg.append("g").selectAll("circle").data(force.nodes()).enter().append("circle").attr("r", 4).call(force.drag);
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var text = svg.append("g").selectAll("text").data(force.nodes()).enter().append("text").attr("x", 8).attr("y", ".31em").text(
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function(d) {return d.name; });
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function tick() {
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path.attr("d", linkArc);
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circle.attr("transform", transform);
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text.attr("transform", transform);
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}
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function linkArc(d) {
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var dx = d.target.x - d.source.x, dy = d.target.y - d.source.y, dr = Math.sqrt(dx * dx + dy * dy);
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return "M" + d.source.x + "," + d.source.y + "A" + dr + "," + dr + " 0 0,1 " + d.target.x + "," + d.target.y;
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}
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function transform(d) {
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return "translate(" + d.x + "," + d.y + ")";
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}
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});
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};
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