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index.html
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<!DOCTYPE html>
<html>
<meta charset="utf-8">
<style>
body {
font: 10px sans-serif;
}
p {
font: 12px sans-serif;
width: 1050px;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.bar {
fill: steelblue;
}
.x.axis path {
display: none;
}
.tooltip{
text-anchor: middle;
font-family: sans-serif;
font-size: 16px;
font-weight: bold;
}
</style>
<body>
<h1>Visualization of the Canadian Political Parties and Political Interest Groups Web Crawls</h1>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var margin = {top: 20, right: 120, bottom: 50, left: 32},
width = 1050 - margin.left - margin.right,
height = 480 - margin.top - margin.bottom;
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
var y = d3.scale.linear()
.rangeRound([height, 0]);
// colors selected using http://www.w3schools.com/tags/ref_colorpicker.asp
var color = d3.scale.ordinal()
.range(["#3366FF", "#0099FF", "#33CCCC", "#00FF99", "#33CC33", "#99FF33", "#FFFF00", "#FF9933", "#FF5050", "#FF9999", "#FF99FF"]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.tickFormat(d3.format(".2s"));
var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
d3.csv("data.csv", function(error, data) {
color.domain(d3.keys(data[0]).filter(function(key) { return key !== "State"; }));
data.forEach(function(d) {
var y0 = 0;
d.ages = color.domain().map(function(name) { return {name: name, y0: y0, y1: y0 += +d[name]}; });
d.total = d.ages[d.ages.length - 1].y1;
});
x.domain(data.map(function(d) { return d.State; }));
y.domain([0, d3.max(data, function(d) { return d.total; })]);
// For rotated axis labels
// http://www.d3noob.org/2013/01/how-to-rotate-text-labels-for-x-axis-of.html
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
.selectAll("text")
.style("text-anchor", "end")
.attr("dx", "-.8em")
.attr("dy", ".15em")
.attr("transform", function(d) { return "rotate(-65)" });
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("pages");
var state = svg.selectAll(".state")
.data(data)
.enter().append("g")
.attr("class", "g")
.attr("transform", function(d) { return "translate(" + x(d.State) + ",0)"; });
state.selectAll("rect")
.data(function(d) { return d.ages; })
.enter().append("rect")
.attr("domain", function(d) { return d.name; })
.attr("width", x.rangeBand())
.attr("y", function(d) { return y(d.y1); })
.attr("height", function(d) { return y(d.y0) - y(d.y1); })
.style("fill", function(d) { return color(d.name); })
.on("mouseover", function(d, i) {
var xPos = parseFloat(d3.select(this).attr("width"));
var yPos = parseFloat(d3.select(this).attr("y"));
var height = parseFloat(d3.select(this).attr("height"))
d3.select(this).attr("stroke","blue").attr("stroke-width",0.8);
var domain = d3.select(this).attr("domain");
d3.selectAll("[domain='" + domain + "']").attr("stroke","red").attr("stroke-width",2.0);
})
.on("mouseout", function(d) {
var domain = d3.select(this).attr("domain");
d3.selectAll("[domain='" + domain + "']").attr("stroke","pink").attr("stroke-width",0.2);
d3.select(this).attr("stroke","pink").attr("stroke-width",0.2);
});
var legend = svg.selectAll(".legend")
.data(color.domain().slice().reverse())
.enter().append("g")
.attr("class", "legend")
.attr("transform", function(d, i) { return "translate(120," + i * 20 + ")"; })
.on("mouseover", function(d, i) {
d3.selectAll("[domain='" + d + "']").attr("stroke","red").attr("stroke-width",2.0);
})
.on("mouseout", function(d) {
d3.selectAll("[domain='" + d + "']").attr("stroke","pink").attr("stroke-width",0.2);
});
legend.append("rect")
.attr("x", width - 18)
.attr("width", 18)
.attr("height", 18)
.attr("domain", function(d) { return d; })
.style("fill", color);
legend.append("text")
.attr("x", width - 24)
.attr("y", 9)
.attr("dy", ".35em")
.style("text-anchor", "end")
.text(function(d) { return d; });
});
</script>
<p>This is a visualization of the <a href="https://www.archive-it.org/collections/227">Canadian Political Parties and Political Interest Groups</a> web crawl. Each bar shows the distribution of pages in that crawl by top-level domain. The legend on the right orders the domains by the number of pages across the <i>entire</i> collection, ordered from the bottom&mdash;that is, the bottom domain has the most pages, the second one from the bottom has the second most pages, etc. The legend breaks out the top 20 domains; everything else is grouped into "other" (at the very top). The stacking of the colors in each column is consistent with the legend ordering. Mousing over a portion of a bar will outline in red the domain across all crawls, as will mousing over any part of the legend.</p>
<p>This visualization was created with d3, based on <a href="http://bl.ocks.org/mbostock/3886208">this example</a> and <a href="http://bl.ocks.org/yuuniverse4444/8325617">this example</a>. The raw data for this visualization comes from the output of a <a href="https://github.com/lintool/warcbase/wiki/Pig:-Gathering-Basic-Crawl-Statistics">Pig script</a>.</p>
</html>

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