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20_bar_two_charts.html
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20_bar_two_charts.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>D3: Two charts on one page</title>
<script type="text/javascript" src="d3.js"></script>
<style type="text/css">
body {
background-color: gray;
}
#buttonContainer {
margin-bottom: 10px;
}
button {
padding: 15px;
}
svg {
display: block;
margin-bottom: 10px;
background-color: white;
}
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>
<div id="buttonContainer">
<button id="sortBySales">Sort by Sales</button>
<button id="sortByBonus">Sort by Bonus</button>
</div>
<script type="text/javascript">
//Width, height, padding
var w = 600;
var h = 250;
var padding = 25;
//New sample data, an array of objects!
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; //References sales value in d object
}) ])
.rangeRound([ h - padding, padding ]);
var bonusScale = d3.scale.linear()
.domain([ 0, d3.max(dataset, function(d) {
return d.bonus; //References bonus value in d object
}) ])
.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("body")
.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)";
})
.on("mouseover", function() {
d3.select(this)
.classed("highlight", true);
})
.on("mouseout", function() {
d3.select(this)
.classed("highlight", false);
});
//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; //References sales value in d object
})
.text(function(d) {
return d.name + ": " + d.sales; //References values in d object
})
//Transition rects into place
rects.transition()
.delay(function(d, i) {
return i * 100;
})
.duration(1500)
.attr("y", function(d) {
return salesScale(d.sales); //References sales value in d object
})
.attr("height", function(d) {
return h - padding - salesScale(d.sales); //References sales value in d object
});
//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("body")
.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)";
})
.on("mouseover", function() {
d3.select(this)
.classed("highlight", true);
})
.on("mouseout", function() {
d3.select(this)
.classed("highlight", false);
});
//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; //References bonus value in d object
})
.text(function(d) {
return d.name + ": " + d.bonus; //References values in d object
})
//Transition rects into place
rects.transition()
.delay(function(d, i) {
return i * 100;
})
.duration(1500)
.attr("y", function(d) {
return bonusScale(d.bonus); //References bonus value in d object
})
.attr("height", function(d) {
return h - padding - bonusScale(d.bonus); //References bonus value in d object
});
//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);
//Sorting logic
d3.select("#sortBySales")
.on("click", function() {
//Need to reselect all groups in each chart
d3.selectAll("#salesChart g.bar").sort(function(a, b) {
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) {
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.select("#sortByBonus") //DEscending
.on("click", function() {
//Need to reselect all groups in each chart
d3.selectAll("#salesChart g.bar").sort(function(a, b) {
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)";
});
d3.selectAll("#bonusChart g.bar").sort(function(a, b) {
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)";
});
});
</script>
</body>
</html>