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explore.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>
The Internet Topology Zoo
</title>
<link rel="stylesheet" type="text/css" href="blue/style.css" title = "default">
<link rel="alternate stylesheet" type="text/css" title="maximised" href = "maximised.css">
<script type="text/javascript" src="prettify/prettify.js">
</script>
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-351760-4']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
<script type="text/javascript" src="underscore-min.js"></script>
<script type="text/javascript" src="jquery-1.7.2.min.js"></script>
<script type="text/javascript" src="jquery.tipsy.js"></script>
<script type="text/javascript" src="URI.js"></script>
<style type="text/css"></style></head><body>
<script src="d3.v3.min.js"></script>
<script src="topojson.v0.min.js"></script>
<style>
.map_vis {
background-color: #c6dbef;
z-index: 1;
font-family:"Palatino Linotype", "Book Antiqua", Palatino, serif;
}
.title {
}
.infobar {
height: 100px;
z-index: 5;
}
.land {
fill: rgb(156, 155, 122);
}
.boundary {
fill: none;
stroke: #fff;
stroke-width: .5px;
}
.node {
fill: rgb(0, 67, 88);
}
.link {
stroke: #336699;
}
</style>
</head>
<body>
<div id="wrap">
<div id="header">
<table class="header">
<tr>
<td>
<img src="UoA_col_horz.png" />
</td>
<td>
<h1>
The Internet Topology Zoo
</h1>
</td>
</tr>
</table>
</div>
<div id="main">
<div id="sidebar">
<ul>
<li>
<a href="index.html">Home</a>
</li>
<li>
<a href="dataset.html">Dataset</a>
</li>
<li>
<a href="explore.html">Explore</a>
</li>
<li>
<a href="gallery.html">Gallery</a>
</li>
<li>
<a href="publications.html">Publications</a>
</li>
<li>
<a href="toolset.html">Toolset</a>
</li>
<li>
<a href="documentation.html">Documentation</a>
</li>
<li>
<a href="contribute.html">Contribute</a>
</li>
<li>
<a href="links.html">External Links</a>
</li>
<li>
<a href="contact.html">Contact</a>
</li>
</ul>
</div>
<div id="main-content">
<div id="description">
<h2>Topology Zoo Explore Visualisation (Beta)</h2>
<h3>About</h3>
This visualisation was created using d3.js. It is currently in beta.
You can select networks either using the drop-down menu, or by using the left and right arrow keys. You can zoom and pan using your mouse.
Hover over a node to see more detailed node information.
</div>
<div id = "data_table">
<table>
<tr>
<td>
<span id="maximise_button"><button onclick="javascript:setActiveStyleSheet('maximised');">Full Screen</button></span>
<span id="resize_button"><button onclick="javascript:setActiveStyleSheet('default');">Resize</button></span>
</td>
<td>
<select id = "network_select"></select>
</td>
<td>
<button onclick="network_select_back();">Back</button>
</td>
<td>
<button onclick="network_select_forward();">Next</button>
</td>
<td>
<h2> <span class="network_label_span"> </h2></td>
<td>
</td>
</tr></table>
</div>
<center>
<div class="visualisation"></div>
</center>
<span class="status_label_span"></span>
<script>
current_network = [];
var network_select = d3.select("#network_select")
.attr("title", "Node Label")
.on("change", function() {
render_network(this.value );
current_network = this.value;
})
network_choices = [];
var network_select_back = function() {
index = network_choices.indexOf(current_network);
if (index == 0) {
return; // first item
}
current_network = network_choices[index - 1];
$("#network_select option[value=" + current_network + "]").attr("selected", "selected")
render_network(current_network);
}
var network_select_forward = function() {
index = network_choices.indexOf(current_network);
if (index == network_choices.length -1) {
return; // last item
}
current_network = network_choices[index + 1];
$("#network_select option[value=" + current_network + "]").attr("selected", "selected")
render_network(current_network);
}
$(document).keydown(function(e){
switch(e.which) {
case 37: // left
network_select_back();
break;
case 38: // up
break;
case 39: // right
network_select_forward();
break;
case 40: // down
break;
default: return; // exit this handler for other keys
}
e.preventDefault();
});
d3.json("json_networks.txt", function(error, data) {
$("#network_select").empty();
network_choices = data;
current_network = data[0];
var network_select = d3.select("#network_select")
network_select
.selectAll("option")
.data(data)
.enter().append("option")
.attr("value", String)
.text(String);
});
//get network to load from url
var network_file = (URI.parseQuery(window.location.search).network);
//trim trailing / if added by browser. (This might be able to be done in URI)
if(network_file != null && network_file.charAt( network_file.length-1 ) == "/") {
network_file = network_file.slice(0, -1)
}
var status_label = d3.select(".status_label_span").append("text")
.attr("class", "status label")
.attr("y", 15)
.attr("x", 0)
.attr("font-size", "14")
.text("")
;
var network_label = d3.select(".network_label_span").append("text")
.attr("class", "network label")
.attr("y", 15)
.attr("x", 0)
.attr("font-size", "14")
.text("")
;
//zooming based on http://www.larsko.org/v/igdp/
var width = 800,
height = 500;
var projection = d3.geo.mercator()
.scale(1*(width + 1) / 2 / Math.PI)
.translate([width / 2, height / 2])
.precision(.1);
//TODO: work out why projection won't update
//projection.center([147.20732, -24.2669]);
var path = d3.geo.path()
.projection(projection);
var svg = d3.select(".visualisation").append("svg")
.attr("class", "map_vis")
.attr("width", width)
.attr("height", height);
var g = svg.append("g");
var map = g.append("svg:g")
.attr("id", "map");
var arcs = g.append("g")
.attr("id", "arcs");
var circle_group = g.append("svg:g")
.attr("id", "circle_group");
function graph_property(graph, key) {
return _.find(graph, function(pair){ return pair[0] == key })[1];
}
var render_network = function(network_name) {
filename = "files/" + network_name + ".json";
d3.json(filename, function(network) {
clear_label();
//Search through the list of network attributes: should this be stored as a dict in the json?
network_name = graph_property(network.graph, "Network");
network_date = graph_property(network.graph, "NetworkDate");
network_extent = graph_property(network.graph, "GeoExtent");
network_location = graph_property(network.graph, "GeoLocation");
network_label.html(network_name + " " + network_date + " (" + network_location + ")");
filtered_nodes = _.filter(network.nodes, function(node) {
if (node.Longitude != null && node.Latitude != null) {
return true;
}
return false;
});
if (filtered_nodes.length == 0 ) {
link_data = {};
}
if (filtered_nodes.length > 0) {
max_lat = _.max(filtered_nodes, function(node) { return node.Latitude}).Latitude;
max_lon = _.max(filtered_nodes, function(node) { return node.Longitude}).Latitude;
min_lat = _.min(filtered_nodes, function(node) { return node.Latitude}).Longitude;
min_lon = _.min(filtered_nodes, function(node) { return node.Longitude}).Longitude;
dy = Math.abs(max_lat - min_lat);
dx = Math.abs(max_lon - min_lon);
proj_scale = 8000000 * 1/(dx * dy);
if (network_extent == "Global") {
proj_scale = 125; //manual over-ride for extreme case
}
//projection.scale(proj_scale);
mean_lat = _.reduce(filtered_nodes, function(memo, num){ return memo + num.Latitude; }, 0)/filtered_nodes.length;
mean_lon = _.reduce(filtered_nodes, function(memo, num){ return memo + num.Longitude; }, 0)/filtered_nodes.length;
if (proj_scale > 250) {
//only center if zoomed in
//TODO: work out why clipping
projection.center([mean_lon, mean_lat]);
projection.scale(proj_scale);
}
} else {
proj_scale = 125;
}
var node_radius = 0.9 * Math.log(proj_scale);
var link_width = 15 * 1/Math.log(proj_scale);
link_data = _.map(network.links, function(link) {
source = network.nodes[link.source];
target = network.nodes[link.target];
if (source.Longitude == null || source.Latitude == null
|| target.Longitude == null || target.Latitude == null) {
return [];
}
return [[source.Longitude, source.Latitude], [target.Longitude, target.Latitude]];
});
link_data = {"type": "MultiLineString", "coordinates": link_data }
link_arcs = arcs.selectAll("path")
.data([link_data])
//TODO: make these separate so can select/hover independently
link_arcs.enter().append("path")
.attr("class", "link")
.style("stroke-width", link_width)
.style("fill", "none")
.style("opacity", 0.4)
.attr("d", path);
link_arcs
.transition()
.style("opacity", 1)
.duration(1);
link_arcs
.exit().transition()
.duration(1)
.style("opacity",0)
.remove();
circles = g.selectAll(".circle")
.data(filtered_nodes, function(d) { return (d.label)})
circles.enter().append("svg:circle")
.attr("class", "circle")
circles
.attr("cx", function(d) { return projection([d.Longitude, d.Latitude])[0]; })
.attr("cy", function(d) { return projection([d.Longitude, d.Latitude])[1]; })
.attr("r", node_radius)
.on("mouseover", function(d){
d3.select(this).style("stroke", "orange");
d3.select(this).style("stroke-width", "3");
node_info(d);
})
.on("mouseout", function(){
d3.select(this).style("stroke-width", "0");
clear_label();
})
circles.exit().transition()
.duration(5)
.style("opacity",0)
.remove()
filtered_nodes = {}
node_labels = g.selectAll(".node_label")
.data(filtered_nodes, function(d) { return (d.label)})
node_labels.enter().append("text")
.attr("class", "node_label")
.attr("text-anchor", "middle")
.attr("font-family", "helvetica")
//.attr("font-weight", "bold")
//.attr("font-size", "small")
.attr("font-size", 10)
node_labels
.attr("x", function(d) {
return projection([d.Longitude, d.Latitude])[0]; })
.attr("y", function(d) { return projection([d.Longitude, d.Latitude])[1]; })
.attr("dx", function(d) {
return d.Longitude > mean_lon ? 10 : -10 })
.attr("dy", ".75em")
.style("text-anchor", function(d) {
//follow idea of http://bost.ocks.org/mike/map/#displaying-places
// based on whether > mean lon (ie centre) of network
return d.Longitude > mean_lon ? "start" : "end"; })
.text(function(d) { return d.label});
node_labels.exit().transition()
.duration(5)
.style("opacity",0)
.remove()
g.selectAll("path")
.attr("d", path.projection(projection));
})
}
var node_info = function(d) {
text = "<b>" + d.label + "</b>";
for (attr in d) {
//TODO use list membership test here instead
if (attr != "label" && attr != "Latitude" & attr != "id" & attr != "Longitude"){
text += ", " + attr + ": " + d[attr] + "";
}
}
status_label.html(text);
}
var link_info = function(d) {
}
var clear_label = function() {
status_label.html("");
}
var render_map = function() {
//TODO: provide option to switch between 50 and 120 m
//TODO: cache calls to json
d3.json("world-110m.json", function(error, world) {
map.insert("path", ".graticule")
.datum(topojson.object(world, world.objects.land))
.attr("class", "land")
.attr("d", path);
map.insert("path", ".graticule")
.datum(topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; }))
.attr("class", "boundary")
.attr("d", path);
});
}
if (network_file != null) {
}
//render_network(network_file);
render_network("Aarnet");
//render_network("Internode.json");
render_map();
g.selectAll("path")
.attr("d", path.projection(projection));
//d3.select(self.frameElement).style("height", height + "px");
// zoom and pan
var zoom = d3.behavior.zoom()
.scaleExtent([0.1, 10])
.on("zoom",function() {
g.attr("transform","translate("+
d3.event.translate.join(",")+")scale("+d3.event.scale+")");
g.selectAll("path")
.attr("d", path.projection(projection));
log_event_scale = Math.log(d3.event.scale)
log_event_scale = Math.max(log_event_scale, 0.05);
var radius = Math.min(Math.max(0.5, 5* 1/log_event_scale), 8);
circles = g.selectAll(".circle")
.attr("r", radius)
var font_size = Math.min(Math.max(4, 8* 1/log_event_scale), 12);
node_labels = g.selectAll(".node_label")
.attr("font-size", font_size)
var link_width = Math.min(Math.max(2, 2* 1/log_event_scale), 5);
link_arcs = arcs.selectAll("path")
.style("stroke-width", link_width)
});
svg.call(zoom)
</script>
<script type="text/javascript">
function setActiveStyleSheet(title) {
//From http://www.alistapart.com/articles/alternate/
var i, a, main;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1
&& a.getAttribute("title")) {
a.disabled = true;
if(a.getAttribute("title") == title) a.disabled = false;
}
}
}
</script>
</div>
</div>
</div>
<div id="footer">
This project was supported by the Australian Government through an Australian Postgraduate Award and Australian Research Council Discovery Grants DP110103505 and DP0985063; and by the <a href="http://www.adelaide.edu.au">University of Adelaide</a>.
<br>
Last updated 2013-04-09 by simon.knight at adelaide.edu.au </a>.
</div>
</body>
</html>