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D3byEX 5.10: Walking Dead Viewership
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta name="description" content="D3byEX 5.10" /> | |
<meta charset="utf-8"> | |
</head> | |
<body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script> | |
var url = "https://gist.githubusercontent.com/d3byex/e5ce6526ba2208014379/raw/8fefb14cc18f0440dc00248f23cbf6aec80dcc13/walking_dead_s5.json"; | |
d3.json(url, function (error, data) { | |
var viewership = data.map(function (d) { | |
return d.USViewers; | |
}); | |
var maxViewers = d3.max(viewership); | |
var margin = { top: 10, right: 10, bottom: 260, left: 85 }; | |
var graphWidth = 500, graphHeight = 300; | |
var totalWidth = graphWidth + margin.left + margin.right; | |
var totalHeight = graphHeight + margin.top + margin.bottom; | |
var axisPadding = 3; | |
var svg = d3.select('body') | |
.append('svg') | |
.attr({ width: totalWidth, height: totalHeight }); | |
var mainGroup = svg | |
.append('g') | |
.attr('transform', 'translate(' + margin.left + ',' + | |
margin.top + ")"); | |
var bands = d3.scale.ordinal() | |
.domain(viewership) | |
.rangeBands([0, graphWidth], 0.05); | |
var yScale = d3.scale | |
.linear() | |
.domain([0, maxViewers]) | |
.range([0, graphHeight]); | |
function translator(d, i) { | |
return "translate(" + bands.range()[i] + "," + | |
(graphHeight - yScale(d)) + ")"; | |
} | |
var barGroup = mainGroup.selectAll('g') | |
.data(viewership) | |
.enter() | |
.append('g') | |
.attr('transform', translator); | |
barGroup.append('rect') | |
.attr({ | |
fill: 'steelblue', | |
width: bands.rangeBand(), | |
height: function(d) { return yScale(d); } | |
}); | |
barGroup.append('text') | |
.text(function(d) { return d; }) | |
.style('text-anchor', 'start') | |
.attr({ | |
dx: 10, | |
dy: -10, | |
transform: 'rotate(90)', | |
fill: 'white' | |
}); | |
var leftAxisGroup = svg.append('g'); | |
leftAxisGroup.attr({ | |
transform: 'translate(' + (margin.left - axisPadding) + ',' + | |
margin.top + ')' | |
}); | |
var yAxisScale = d3.scale | |
.linear() | |
.domain([maxViewers, 0]) | |
.range([0, graphHeight]); | |
var leftAxis = d3.svg.axis() | |
.orient('left') | |
.scale(yAxisScale); | |
var leftAxisNodes = leftAxisGroup.call(leftAxis); | |
styleAxisNodes(leftAxisNodes); | |
var titles = data.map(function(d) { return d.Title; }); | |
var bottomAxisScale = d3.scale.ordinal() | |
.domain(titles) | |
.rangeBands([axisPadding, graphWidth + axisPadding]); | |
var bottomAxis = d3.svg | |
.axis() | |
.scale(bottomAxisScale) | |
.orient("bottom"); | |
var bottomAxisX = margin.left - axisPadding; | |
var bottomAxisY = totalHeight - margin.bottom + axisPadding; | |
var bottomAxisGroup = svg.append("g") | |
.attr({ transform: 'translate(' + bottomAxisX + ',' + bottomAxisY + ')' }); | |
var bottomAxisNodes = bottomAxisGroup.call(bottomAxis); | |
styleAxisNodes(bottomAxisNodes); | |
bottomAxisNodes.selectAll("text") | |
.style('text-anchor', 'start') | |
.attr({ | |
dx: 10, | |
dy: -5, | |
transform: 'rotate(90)' | |
}); | |
function styleAxisNodes(axisNodes) { | |
axisNodes.selectAll('.domain') | |
.attr({ | |
fill: 'none', | |
'stroke-width': 1, | |
stroke: 'black' | |
}); | |
axisNodes.selectAll('.tick line') | |
.attr({ | |
fill: 'none', | |
'stroke-width': 1, | |
stroke: 'black' | |
}); | |
} | |
}); | |
</script> | |
</body> | |
</html> |
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