Created
September 13, 2015 02:44
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D3.js Bar Chart - Modified from Mike Bostock's example
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
.bar { | |
fill: steelblue; | |
} | |
.incomplete { | |
opacity: 0.5; | |
} | |
.bar:hover { | |
fill: #BBB; | |
} | |
.axis { | |
font: 10px sans-serif; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.x.axis path { | |
display: none; | |
} | |
div.tooltip { | |
position: absolute; | |
text-align: left; | |
padding: 10px; | |
font: 12px sans-serif; | |
background: lightsteelblue; | |
border: 0px; | |
border-radius: 8px; | |
pointer-events: none; | |
} | |
h1 { | |
text-align: center; | |
font: 36px sans-serif; | |
} | |
body { | |
text-align: center; | |
} | |
</style> | |
<body> | |
<h1>Title</h1> | |
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
<script> | |
var margin = {top: 20, right: 20, bottom: 30, left: 40}, | |
width = 960 - margin.left - margin.right, | |
height = 500 - margin.top - margin.bottom; | |
var x = d3.scale.ordinal() | |
.rangeRoundBands([0, width], .1); | |
var y = d3.scale.linear() | |
.range([height, 0]); | |
var xAxis = d3.svg.axis() | |
.scale(x) | |
.orient("bottom"); | |
var yAxis = d3.svg.axis() | |
.scale(y) | |
.orient("left") | |
.ticks(10); | |
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 + ")"); | |
// Define the div for the tooltip | |
var div = d3.select("body").append("div") | |
.attr("class", "tooltip") | |
.style("opacity", 0); | |
d3.json("data.json", function(error, data) { | |
test = data; | |
if (error) throw error; | |
x.domain(data.map(function(d) { return d.month; })); | |
y.domain([0, d3.max(data, function(d) { return d.checkouts; })]); | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + height + ")") | |
.call(xAxis); | |
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("Checkouts"); | |
svg.selectAll(".bar") | |
.data(data) | |
.enter().append("rect") | |
.attr("class", "bar") | |
.attr("class", function(d) { if (x(d.month) === x(data[data.length -1].month)) { return "bar incomplete"; } else { return "bar"; }}) | |
.attr("x", function(d) { return x(d.month); }) | |
.attr("width", x.rangeBand()) | |
.attr("y", function(d) { return y(d.checkouts); }) | |
.attr("height", function(d) { return height - y(d.checkouts); }) | |
.on("mouseover", function(d) { | |
div.transition() | |
.duration(200) | |
.style("opacity", .9); | |
div.html( | |
"<strong>Top 5 Users:</strong>" + "</br>" + | |
d.topUsers[0] + "<br/>" + | |
d.topUsers[1] + "<br/>" + | |
d.topUsers[2] + "<br/>" + | |
d.topUsers[3] + "<br/>" + | |
d.topUsers[4] + "<br/>" + "</br>" + | |
"<strong>Top 5 Titles:</strong>" + "</br>" + | |
d.topTitles[0] + "<br/>" + | |
d.topTitles[1] + "<br/>" + | |
d.topTitles[2] + "<br/>" + | |
d.topTitles[3] + "<br/>" + | |
d.topTitles[4] | |
) | |
.style("left", (d3.event.pageX) + "px") | |
.style("top", (d3.event.pageY - 28) + "px"); | |
}) | |
.on("mouseout", function(d) { | |
div.transition() | |
.duration(500) | |
.style("opacity", 0); | |
}); | |
}); | |
</script> |
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