This pie chart is constructed from a CSV file storing the populations of various age groups. The chart employs a number of D3 features:
Created
August 10, 2018 22:32
-
-
Save john-guerra/ca575486b081ab3b166e12cfba8169a1 to your computer and use it in GitHub Desktop.
d3v4 Donut Chart
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
license: gpl-3.0 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
age | population | |
---|---|---|
<5 | 2704659 | |
5-13 | 4499890 | |
14-17 | 2159981 | |
18-24 | 3853788 | |
25-44 | 14106543 | |
45-64 | 8819342 | |
≥65 | 612463 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
.arc text { | |
font: 10px sans-serif; | |
text-anchor: middle; | |
} | |
.arc path { | |
stroke: #fff; | |
} | |
</style> | |
<svg width="960" height="500"></svg> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<script> | |
var svg = d3.select("svg"), | |
width = +svg.attr("width"), | |
height = +svg.attr("height"), | |
radius = Math.min(width, height) / 2, | |
g = svg.append("g").attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); | |
var color = d3.scaleOrdinal(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); | |
var pie = d3.pie() | |
.sort(null) | |
.value(function(d) { return d.population; }); | |
var path = d3.arc() | |
.outerRadius(radius - 10) | |
.innerRadius(radius - 70); | |
var label = d3.arc() | |
.outerRadius(radius - 40) | |
.innerRadius(radius - 40); | |
d3.csv("data.csv", function(d) { | |
d.population = +d.population; | |
return d; | |
}, function(error, data) { | |
if (error) throw error; | |
var arc = g.selectAll(".arc") | |
.data(pie(data)) | |
.enter().append("g") | |
.attr("class", "arc"); | |
arc.append("path") | |
.attr("d", path) | |
.attr("fill", function(d) { return color(d.data.age); }); | |
arc.append("text") | |
.attr("transform", function(d) { return "translate(" + label.centroid(d) + ")"; }) | |
.attr("dy", "0.35em") | |
.text(function(d) { return d.data.age; }); | |
}); | |
</script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment