|
<!DOCTYPE html> |
|
<meta charset="utf-8"> |
|
<style> |
|
|
|
body { |
|
font: 10px sans-serif; |
|
} |
|
|
|
.axis path, |
|
.axis line { |
|
fill: none; |
|
stroke: #000; |
|
shape-rendering: crispEdges; |
|
} |
|
|
|
.bar { |
|
fill: steelblue; |
|
} |
|
|
|
.x.axis path { |
|
display: none; |
|
} |
|
|
|
</style> |
|
<body> |
|
<script src="//d3js.org/d3.v3.min.js"></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() |
|
.rangeRound([height, 0]); |
|
|
|
var color = d3.scale.ordinal() |
|
.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); |
|
|
|
var xAxis = d3.svg.axis() |
|
.scale(x) |
|
.orient("bottom"); |
|
|
|
var yAxis = d3.svg.axis() |
|
.scale(y) |
|
.orient("left") |
|
.tickFormat(d3.format(".2s")); |
|
|
|
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 + ")"); |
|
|
|
d3.csv("data.csv", function(error, data) { |
|
if (error) throw error; |
|
|
|
color.domain(d3.keys(data[0]).filter(function(key) { return key !== "State"; })); |
|
|
|
data.forEach(function(d) { |
|
var y0 = 0; |
|
d.ages = color.domain().map(function(name) { return {name: name, y0: y0, y1: y0 += +d[name]}; }); |
|
d.total = d.ages[d.ages.length - 1].y1; |
|
}); |
|
|
|
data.sort(function(a, b) { return b.total - a.total; }); |
|
|
|
x.domain(data.map(function(d) { return d.State; })); |
|
y.domain([0, d3.max(data, function(d) { return d.total; })]); |
|
|
|
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("Population"); |
|
|
|
var state = svg.selectAll(".state") |
|
.data(data) |
|
.enter().append("g") |
|
.attr("class", "g") |
|
.attr("transform", function(d) { return "translate(" + x(d.State) + ",0)"; }); |
|
|
|
state.selectAll("rect") |
|
.data(function(d) { return d.ages; }) |
|
.enter().append("rect") |
|
.attr("width", x.rangeBand()) |
|
.attr("y", function(d) { return y(d.y1); }) |
|
.attr("height", function(d) { return y(d.y0) - y(d.y1); }) |
|
.style("fill", function(d) { return color(d.name); }); |
|
|
|
var legend = svg.selectAll(".legend") |
|
.data(color.domain().slice().reverse()) |
|
.enter().append("g") |
|
.attr("class", "legend") |
|
.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; }); |
|
|
|
legend.append("rect") |
|
.attr("x", width - 18) |
|
.attr("width", 18) |
|
.attr("height", 18) |
|
.style("fill", color); |
|
|
|
legend.append("text") |
|
.attr("x", width - 24) |
|
.attr("y", 9) |
|
.attr("dy", ".35em") |
|
.style("text-anchor", "end") |
|
.text(function(d) { return d; }); |
|
|
|
}); |
|
|
|
</script> |
