Quite good looking graph derived from d3.js http://c3js.org
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820 B

var chart = c3.generate({
data: {
columns: [
['data1', 100],
['data2', 300],
['data3', 200]
],
type: 'pie'
},
legend: {
show: false
}
});
function toggle(id) {
chart.toggle(id);
}
d3.select('.container').insert('div', '.chart').attr('class', 'legend').selectAll('span')
.data(['data1', 'data2', 'data3'])
.enter().append('span')
.attr('data-id', function (id) { return id; })
.html(function (id) { return id; })
.each(function (id) {
d3.select(this).style('background-color', chart.color(id));
})
.on('mouseover', function (id) {
chart.focus(id);
})
.on('mouseout', function (id) {
chart.revert();
})
.on('click', function (id) {
chart.toggle(id);
});