D3 visualization code to accompany this blog post: http://bensmithgall.com/blog/visualizing-congressional-output
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October 17, 2013 23:13
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Congress
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
</head> | |
<style> | |
body { | |
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; | |
position: relative; | |
font-size: 10px; | |
width: 960px; | |
} | |
.bar { | |
stroke:white; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.x.axis path { | |
display: none; | |
} | |
.line { | |
fill: none; | |
stroke-width: 1.5px; | |
} | |
</style> | |
<body> | |
<label><input type="checkbox">Order by Bills Passed</label> | |
<script> | |
var data = [{'dem_houses': -1, 'total_bills': 1876, 'congress': '83rd', 'congress_number': 83}, {'dem_houses': -1, 'total_bills': 2012, 'congress': '84th', 'congress_number': 84}, {'dem_houses': -1, 'total_bills': 1825, 'congress': '85th', 'congress_number': 85}, {'dem_houses': -1, 'total_bills': 1379, 'congress': '86th', 'congress_number': 86}, {'dem_houses': -1, 'total_bills': 1658, 'congress': '87th', 'congress_number': 87}, {'dem_houses': -1, 'total_bills': 1119, 'congress': '88th', 'congress_number': 88}, {'dem_houses': -1, 'total_bills': 1386, 'congress': '89th', 'congress_number': 89}, {'dem_houses': -1, 'total_bills': 1064, 'congress': '90th', 'congress_number': 90}, {'dem_houses': -1, 'total_bills': 1037, 'congress': '91st', 'congress_number': 91}, {'dem_houses': -1, 'total_bills': 851, 'congress': '92nd', 'congress_number': 92}, {'dem_houses': -1, 'total_bills': 1598, 'congress': '93rd', 'congress_number': 93}, {'dem_houses': -1, 'total_bills': 1669, 'congress': '94th', 'congress_number': 94}, {'dem_houses': -1, 'total_bills': 1719, 'congress': '95th', 'congress_number': 95}, {'dem_houses': -1, 'total_bills': 1563, 'congress': '96th', 'congress_number': 96}, {'dem_houses': -1, 'total_bills': 898, 'congress': '97th', 'congress_number': 97}, {'dem_houses': -1, 'total_bills': 1012, 'congress': '98th', 'congress_number': 98}, {'dem_houses': -1, 'total_bills': 1020, 'congress': '99th', 'congress_number': 99}, {'dem_houses': -1, 'total_bills': 1112, 'congress': '100th', 'congress_number': 100}, {'dem_houses': -1, 'total_bills': 1279, 'congress': '101st', 'congress_number': 101}, {'dem_houses': 2, 'total_bills': 1212, 'congress': '102nd', 'congress_number': 102}, {'dem_houses': 2, 'total_bills': 996, 'congress': '103rd', 'congress_number': 103}, {'dem_houses': 0, 'total_bills': 939, 'congress': '104th', 'congress_number': 104}, {'dem_houses': 0, 'total_bills': 1028, 'congress': '105th', 'congress_number': 105}, {'dem_houses': 0, 'total_bills': 1380, 'congress': '106th', 'congress_number': 106}, {'dem_houses': 0, 'total_bills': 1069, 'congress': '107th', 'congress_number': 107}, {'dem_houses': 0, 'total_bills': 1374, 'congress': '108th', 'congress_number': 108}, {'dem_houses': 0, 'total_bills': 1512, 'congress': '109th', 'congress_number': 109}, {'dem_houses': 1, 'total_bills': 1897, 'congress': '110th', 'congress_number': 110}, {'dem_houses': 2, 'total_bills': 1851, 'congress': '111st', 'congress_number': 111}, {'dem_houses': 1, 'total_bills': 1007, 'congress': '112nd', 'congress_number': 112}, {'dem_houses': 1, 'total_bills': 313, 'congress': '113rd', 'congress_number': 113}, {'dem_houses': -2, 'total_bills': 801, 'congress': '113rd (proj)', 'congress_number': 114}] | |
var margin = {left: 60, right: 20, top: 20, bottom: 50}, | |
width = 900 - margin.left - margin.right, | |
height = 450 - margin.top - margin.bottom; | |
var xBar = d3.scale.ordinal() | |
.domain(data.map(function(d) { return d.congress; })) | |
.rangeRoundBands([0, width], .1); | |
var yBar = d3.scale.linear() | |
.domain([0, d3.max(data, function(d) { return d.total_bills; }) + 100]) | |
.range([height, 0]); | |
var color = d3.scale.ordinal() | |
.domain([0,2]) | |
.range(['B2182B','4575B4','8073AC']) | |
var xAxis = d3.svg.axis() | |
.scale(xBar) | |
.orient('bottom') | |
var yAxisBar = d3.svg.axis() | |
.scale(yBar) | |
.orient('left'); | |
var svgBar = 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 + ')'); | |
svgBar.append('g') | |
.attr('class', 'x axis') | |
.attr("transform", "translate(0," + (height) + ")") | |
.call(xAxis) | |
.selectAll('text') | |
.attr('transform', function(d) { | |
return 'rotate(-30)'; | |
}) | |
svgBar.append('g') | |
.attr('class', 'y axis') | |
.call(yAxisBar) | |
svgBar.selectAll('.bar') | |
.data(data) | |
.enter().append('rect') | |
.attr('class','bar') | |
.attr('x', function(d) { return xBar(d.congress); }) | |
.attr('width', xBar.rangeBand()) | |
.attr('y', function(d) { return yBar(d.total_bills); }) | |
.attr('height', function(d) { return height - yBar(d.total_bills) }) | |
.style('fill', function(d) { | |
if(d.dem_houses === -1) return "grey" | |
else if (d.dem_houses === -2) return "bcbddc" | |
else return color(d.dem_houses); }) | |
d3.select("input").on("change", change); | |
var sortTimeout = setTimeout(function() { | |
d3.select("input").property("checked", true).each(change); | |
}, 2000); | |
function change() { | |
clearTimeout(sortTimeout); | |
var x0 = xBar.domain(data.sort(this.checked | |
? function(a, b) { return b.total_bills - a.total_bills; } | |
: function(a, b) { return d3.ascending(a.congress_number, b.congress_number); }) | |
.map(function(d) { return d.congress; })) | |
.copy(); | |
var transition = svgBar.transition().duration(750), | |
delay = function(d, i) { return i * 50; }; | |
transition.selectAll(".bar") | |
.delay(delay) | |
.attr("x", function(d) { return x0(d.congress); }); | |
transition.select(".x.axis") | |
.call(xAxis) | |
.selectAll("g") | |
.delay(delay); | |
} | |
</script> | |
</body> | |
</html> |
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