Created
December 13, 2012 16:36
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<!DOCTYPE html> | |
<html> | |
<meta charset="utf-8"> | |
<style> | |
.node { | |
stroke: #fff; | |
stroke-width: 1.5px; | |
} | |
.link { | |
stroke: #999; | |
stroke-opacity: .6; | |
} | |
</style> | |
<head> | |
<!-- Load jQuery --> | |
<script type="text/javascript" src="http://code.jquery.com/jquery-1.8.3.min.js"></script> | |
<!-- Load d3 --> | |
<script type="text/javascript" src="http://d3js.org/d3.v2.js"></script> | |
<!-- Define inlined JavaScript --> | |
<script type="text/javascript"> | |
$(document).ready(function() { | |
var query = "I%20sent%20you%20money%20on%20%23dwolla&"; | |
var search = "http://search.twitter.com/search.json?rpp=100&q=" + query + "callback=?"; | |
//hack couldn't get d3.json to work for jsonp, I don't care, use jquery instead | |
$.getJSON(search,function(data) { | |
results = data.results; | |
//Define svg dimensions | |
var width = 1200; | |
var height = 1000; | |
//Create the svg | |
var svg = d3.select("body").append("svg") | |
.attr("width", width) | |
.attr("height", height); | |
var nodes = []; | |
var links = []; | |
var labelAnchors = []; | |
var users = {}; | |
var index = 0; | |
//nasty for loop action | |
for(var i = 0; i < results.length; i++) { | |
var fromUser = results[i].from_user; | |
var toUser = results[i].to_user; | |
if(toUser != null && fromUser != null) { | |
if(users[fromUser] == undefined) { | |
var newFromId = index++; | |
users[fromUser] = newFromId; | |
var from = { | |
id : newFromId, | |
name : fromUser | |
}; | |
nodes.push(from); | |
} | |
if(users[toUser] == undefined) { | |
var newToId = index++; | |
users[toUser] = newToId; | |
var to = { | |
id : newToId, | |
name : toUser | |
}; | |
nodes.push(to); | |
} | |
links.push({ | |
source : users[fromUser], | |
target : users[toUser] | |
}); | |
} | |
}; | |
var color = d3.scale.category20(); | |
var force = d3.layout.force() | |
.charge(-130) | |
.linkDistance(80) | |
.size([width, height]); | |
force | |
.nodes(nodes) | |
.links(links) | |
.start(); | |
var link = svg.selectAll("line.link") | |
.data(links) | |
.enter().append("line") | |
.attr("class", "link") | |
.style("stroke-width", function(d) { return 2; }); | |
var node = svg.append("g") | |
.attr("class", "nodes") | |
.selectAll("circle") | |
.data(nodes) | |
.enter() | |
.append("g") | |
.attr("transform", function(d, i) { | |
// Set d.x and d.y here so that other elements can use it. d is | |
// expected to be an object here. | |
d.x = i * 70 + 50, | |
d.y = height / 2; | |
return "translate(" + d.x + "," + d.y + ")"; | |
}); | |
node.append("circle") | |
.attr("class", "node") | |
.attr("r", 13) | |
.style("fill", "4099FF") | |
.style("opacity", ".4") | |
.call(force.drag); | |
node.append("circle") | |
.attr("class", "node") | |
.attr("r", 6) | |
.style("fill", "black") | |
.call(force.drag); | |
node.append("title") | |
.text(function(d) { return "@" + d.name; }); | |
/* | |
node.append("text") | |
.attr("text-anchor", "start") | |
.style("fill", "black") | |
.style("font-family", "Arial") | |
.style("font-size", 10) | |
.style("font-weight", "bold") | |
.style("opacity", ".7") | |
.text(function(d) { return "@" + d.name; }); | |
*/ | |
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) { | |
return "translate(" + [d.x, d.y] + ")"; | |
}); | |
}); | |
}); | |
}); | |
</script> | |
</head> | |
</body> | |
</html> |
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