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piechart.html
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piechart.html
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<!DOCTYPE html>
<meta charset="utf-8">
<style>
.arc text {
font: 10px sans-serif;
text-anchor: middle;
}
.arc path {
stroke: #fff;
}
</style>
<svg width="1000" height="1000"></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"]);
function piedraw(d) {
return d.Agriculture_GDP;
}
var pie = d3.pie()
.sort(null)
.value(piedraw);
var path = d3.arc()
.outerRadius(radius - 10)
.innerRadius(0);
var label = d3.arc()
.outerRadius(radius - 40)
.innerRadius(radius - 40);
d3.csv("pie.csv", function(d) {
d.Agriculture_GDP = +d.Agriculture_GDP;
return d;
}, function(error, data) {
if (error) throw error;
var arc = g.selectAll(".arc")
.data(pie(data))
.enter().append("g")
.attr("class", "arc");
function colorCountry(d) {
return color(d.data.Country);
}
arc.append("path")
.attr("d", path)
.attr("fill",colorCountry);
function transpie(d)
{ return "translate(" + label.centroid(d) + ")";
}
arc.append("text")
.attr("transform",transpie)
.attr("dy", "0.35em")
.text(function(d) { return d.data.Country; });
});
</script>