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yacy_search_server/htroot/js/hypertree.js

48 lines
2.8 KiB

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