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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>D3: Dynamically sized charts happily coexist side-by-side</title>
<script type="text/javascript" src="d3.js"></script>
<style type="text/css">
/* Lots of new CSS rules! */
/* HTML page styles */
* {
margin: 0;
padding: 0;
}
body {
font-family: Helvetica, Arial, sans-serif;
background-color: #eee;
}
#container {
width: 800px;
margin: 25px auto 25px auto;
padding: 50px 50px 50px 50px;
background-color: white;
box-shadow: 0 0 20px #ccc;
}
h1 {
margin-bottom: 25px;
font-size: 24px;
}
h2 {
margin-top: 30px;
font-size: 14px;
}
p {
margin-bottom: 25px;
font-size: 14px;
line-height: 18px;
}
.chartContainer {
/* Place the chart containers side-by-side! */
display: inline-block;
width: 49%;
}
#buttonContainer {
margin-bottom: 10px;
}
button {
padding: 15px;
}
#footer p {
margin-top: 50px;
margin-bottom: 0;
text-align: right;
font-size: 10px;
color: gray;
}
/* Chart styles */
svg {
display: block;
margin-bottom: 10px;
background-color: white;
}
g.bar {
cursor: pointer;
}
g.bar text {
font-family: sans-serif;
font-size: 11px;
fill: white;
font-style: bold;
text-anchor: middle;
opacity: 0;
}
g.bar.highlight text {
opacity: 1;
}
g.bar.highlight rect {
fill: Maroon;
}
.axis path,
.axis line {
fill: none;
stroke: black;
shape-rendering: crispEdges;
}
.axis text {
font-family: sans-serif;
font-size: 11px;
}
</style>
</head>
<body>
<!-- New HTML structure and content! -->
<div id="container">
<h1>Five New Data Insights You Have to See to Believe</h1>
<p>You won’t believe your eyes when you realize what these charts are telling you. The numbers don’t lie, and sometimes facing the facts can cause a shock. No one could have predicted this, and no one knew it was true until we published these innovative visualizations, thereby proving definitively that a picture is worth a thousand words. (Edit the source to add more cliches here.)</p>
<div class="chartContainer" id="salesChartContainer">
<h2>Total sales by employee in July 2015</h2>
</div>
<div class="chartContainer" id="bonusChartContainer">
<h2>Total bonuses by employee in July 2015</h2>
</div>
<div id="buttonContainer">
<button id="sort">Sort by Value</button>
</div>
<div id="footer">
<p><strong>Note:</strong> The contents of these charts should not be taken seriously, although the technical principles behind them should.</p>
</div>
</div>
<script type="text/javascript">
//Sort button state
//Default action for button will be to sort by *value*
var sortByNameOrValue = false;
//New, dynamic width value pulled from .chartContainer
var w = d3.select(".chartContainer").node().clientWidth;
//Height, padding
var h = 250;
var padding = 25;
//Sample data
var dataset = [
{
name: "Alice",
sales: 50,
bonus: 5
},
{
name: "Bob",
sales: 40,
bonus: 10
},
{
name: "Carmen",
sales: 65,
bonus: 15
},
{
name: "Dan",
sales: 55,
bonus: 30
},
{
name: "Esmerelda",
sales: 45,
bonus: 20
},
{
name: "Frank",
sales: 30,
bonus: 5
}
];
//Configure x and y scale functions
var xScale = d3.scale.ordinal()
.domain(d3.range(dataset.length))
.rangeRoundBands([ padding, w - padding ], 0.05);
//Now using two different y scales for two different charts
var salesScale = d3.scale.linear()
.domain([ 0, d3.max(dataset, function(d) {
return d.sales;
}) ])
.rangeRound([ h - padding, padding ]);
var bonusScale = d3.scale.linear()
.domain([ 0, d3.max(dataset, function(d) {
return d.bonus;
}) ])
.rangeRound([ h - padding, padding ]);
//Now using two different y axes
var salesAxis = d3.svg.axis()
.scale(salesScale)
.orient("left")
.ticks(5);
var bonusAxis = d3.svg.axis()
.scale(bonusScale)
.orient("left")
.ticks(5);
//
// Make the first chart (sales data)
//
//Create SVG element
var svg = d3.select("#salesChartContainer") //New target location!
.append("svg")
.attr("id", "salesChart")
.attr("width", w)
.attr("height", h);
//Create groups
var groups = svg.selectAll("g")
.data(dataset)
.enter()
.append("g")
.attr("class", "bar")
.attr("transform", function(d, i) {
return "translate(" + xScale(i) + ",0)";
});
//Add bar to each group
var rects = groups.append("rect")
.attr("x", 0)
.attr("y", function(d) {
return h - padding;
})
.attr("width", xScale.rangeBand())
.attr("height", 0)
.attr("fill", "SteelBlue");
//Add label to each group
groups.append("text")
.attr("x", xScale.rangeBand() / 2)
.attr("y", function(d) {
return salesScale(d.sales) + 14;
})
.text(function(d) {
return d.name + ": " + d.sales;
})
//Transition rects into place
rects.transition()
.delay(function(d, i) {
return i * 100;
})
.duration(1500)
.attr("y", function(d) {
return salesScale(d.sales);
})
.attr("height", function(d) {
return h - padding - salesScale(d.sales);
});
//Create y axis
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(" + padding + ",0)")
.attr("opacity", 0)
.call(salesAxis)
.transition()
.delay(2000)
.duration(1500)
.attr("opacity", 1.0);
//
// Make the second chart (bonus data)
//
//Create SVG element
svg = d3.select("#bonusChartContainer") //New target location!
.append("svg")
.attr("id", "bonusChart")
.attr("width", w)
.attr("height", h);
//Create groups
groups = svg.selectAll("g")
.data(dataset)
.enter()
.append("g")
.attr("class", "bar")
.attr("transform", function(d, i) {
return "translate(" + xScale(i) + ",0)";
});
//Add bar to each group
rects = groups.append("rect")
.attr("x", 0)
.attr("y", function(d) {
return h - padding;
})
.attr("width", xScale.rangeBand())
.attr("height", 0)
.attr("fill", "SteelBlue");
//Add label to each group
groups.append("text")
.attr("x", xScale.rangeBand() / 2)
.attr("y", function(d) {
return bonusScale(d.bonus) + 14;
})
.text(function(d) {
return d.name + ": " + d.bonus;
})
//Transition rects into place
rects.transition()
.delay(function(d, i) {
return i * 100;
})
.duration(1500)
.attr("y", function(d) {
return bonusScale(d.bonus);
})
.attr("height", function(d) {
return h - padding - bonusScale(d.bonus);
});
//Create y axis
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(" + padding + ",0)")
.attr("opacity", 0)
.call(bonusAxis)
.transition()
.delay(2000)
.duration(1500)
.attr("opacity", 1.0);
//New functionality for interaction for ALL groups
//in BOTH charts
d3.selectAll("g.bar")
.on("mouseover", function(d) {
var thisName = d.name;
d3.selectAll("g.bar")
.filter(function(d) {
if (thisName == d.name) {
return true; //…then it's a match
}
})
.classed("highlight", true);
})
.on("mouseout", function() {
d3.selectAll("g.bar")
.classed("highlight", false);
})
//Sorting logic
d3.select("#sort")
.on("click", function() {
//Need to reselect all groups in each chart
d3.selectAll("#salesChart g.bar").sort(function(a, b) {
if (sortByNameOrValue) {
return d3.ascending(a.name, b.name);
} else {
return d3.ascending(a.sales, b.sales);
}
})
.transition()
.delay(function(d, i) {
return i * 50;
})
.duration(1000)
.attr("transform", function(d, i) {
return "translate(" + xScale(i) + ",0)";
});
d3.selectAll("#bonusChart g.bar").sort(function(a, b) {
if (sortByNameOrValue) {
return d3.ascending(a.name, b.name);
} else {
return d3.ascending(a.bonus, b.bonus);
}
})
.transition()
.delay(function(d, i) {
return i * 50;
})
.duration(1000)
.attr("transform", function(d, i) {
return "translate(" + xScale(i) + ",0)";
});
//Update text in button
d3.select(this)
.text(function() {
if (sortByNameOrValue) {
return "Sort by Value";
} else {
return "Sort by Name";
}
})
//Flip value of boolean
sortByNameOrValue = !sortByNameOrValue;
});
</script>
</body>
</html>