This variation of the radial bar chart adds sorting. Use the checkbox in the top right to turn sorting on or off.
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May 23, 2017 00:23
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Sortable Radial Bar Chart
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name | value | |
---|---|---|
A | .08167 | |
B | .01492 | |
C | .02782 | |
D | .04253 | |
E | .12702 | |
F | .02288 | |
G | .02015 | |
H | .06094 | |
I | .06966 | |
J | .00153 | |
K | .00772 | |
L | .04025 | |
M | .02406 | |
N | .06749 | |
O | .07507 | |
P | .01929 | |
Q | .00095 | |
R | .05987 | |
S | .06327 | |
T | .09056 | |
U | .02758 | |
V | .00978 | |
W | .02360 | |
X | .00150 | |
Y | .01974 | |
Z | .00074 |
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
font: 10px sans-serif; | |
position: relative; | |
width: 960px; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.x.axis path { | |
display: none; | |
} | |
label { | |
position: absolute; | |
top: 10px; | |
right: 10px; | |
} | |
</style> | |
<body> | |
<label><input type="checkbox"> Sort values</label> | |
<script src="https://d3js.org/d3.v3.min.js"></script> | |
<script> | |
var width = 960, | |
height = 500, | |
barHeight = height / 2 - 40; | |
var formatNumber = d3.format("s"); | |
var color = d3.scale.ordinal() | |
.range(["#8dd3c7","#ffffb3","#bebada","#fb8072","#80b1d3","#fdb462","#b3de69","#fccde5","#d9d9d9","#bc80bd","#ccebc5","#ffed6f"]); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width) | |
.attr("height", height) | |
.append("g") | |
.attr("transform", "translate(" + width/2 + "," + height/2 + ")"); | |
d3.csv("data.csv", function(error, data) { | |
var extent = d3.extent(data, function(d) { return d.value; }); | |
var barScale = d3.scale.linear() | |
.domain(extent) | |
.range([0, barHeight]); | |
var keys = data.map(function(d,i) { return d.name; }); | |
var numBars = keys.length; | |
var x = d3.scale.linear() | |
.domain(extent) | |
.range([0, -barHeight]); | |
var xAxis = d3.svg.axis() | |
.scale(x).orient("left") | |
.ticks(3) | |
.tickFormat(formatNumber); | |
var circles = svg.selectAll("circle") | |
.data(x.ticks(3)) | |
.enter().append("circle") | |
.attr("r", function(d) {return barScale(d);}) | |
.style("fill", "none") | |
.style("stroke", "black") | |
.style("stroke-dasharray", "2,2") | |
.style("stroke-width",".5px"); | |
var arc = d3.svg.arc(); | |
var segments = svg.selectAll("path") | |
.data(data) | |
.enter().append("path") | |
.each(function(d,i) { | |
d.innerRadius = 0; | |
d.outerRadius = barScale(+d.value); | |
d.startAngle = (i * 2 * Math.PI) / numBars; | |
d.endAngle = ((i + 1) * 2 * Math.PI) / numBars; | |
}) | |
.style("fill", function (d) { return color(d.name); }) | |
.attr("d", arc); | |
svg.append("circle") | |
.attr("r", barHeight) | |
.classed("outer", true) | |
.style("fill", "none") | |
.style("stroke", "black") | |
.style("stroke-width","1.5px"); | |
var lines = svg.selectAll("line") | |
.data(keys) | |
.enter().append("line") | |
.attr("y2", -barHeight - 20) | |
.style("stroke", "black") | |
.style("stroke-width",".5px") | |
.attr("transform", function(d, i) { return "rotate(" + (i * 360 / numBars) + ")"; }); | |
svg.append("g") | |
.attr("class", "x axis") | |
.call(xAxis); | |
// Labels | |
var labelRadius = barHeight * 1.025; | |
var labels = svg.append("g") | |
.classed("labels", true); | |
labels.append("def") | |
.append("path") | |
.attr("id", "label-path") | |
.attr("d", "m0 " + -labelRadius + " a" + labelRadius + " " + labelRadius + " 0 1,1 -0.01 0"); | |
labels.selectAll("text") | |
.data(data) | |
.enter().append("text") | |
.style("text-anchor", "middle") | |
.style("font-weight","bold") | |
.style("fill", function(d, i) {return "#3e3e3e";}) | |
.append("textPath") | |
.attr("class","textpath") | |
.attr("xlink:href", "#label-path") | |
.attr("startOffset", function(d,i) {return i * 100 / numBars + 50 / numBars + '%';}) | |
.text(function(d) {return d.name.toUpperCase(); }); | |
d3.select("input").on("change", change); | |
function change() { | |
if (this.checked) { | |
labels.selectAll(".textpath").sort(function(a,b) { return b.value - a.value; }); | |
segments.sort(function(a,b) { return b.value - a.value; }); | |
}else { | |
labels.selectAll(".textpath").sort(function(a,b) { return d3.ascending(a.name, b.name) }); | |
segments.sort(function(a,b) { return d3.ascending(a.name, b.name); }); | |
}; | |
segments.transition().duration(2000).delay(100) | |
.attrTween("d", function(d,index) { | |
var i = d3.interpolate(d.startAngle, (index * 2 * Math.PI) / numBars ); | |
var u = d3.interpolate(d.endAngle, ((index + 1) * 2 * Math.PI) / numBars ); | |
return function(t) { d.endAngle = u(t); d.startAngle = i(t); return arc(d,index); }; | |
}); | |
labels.selectAll(".textpath").transition().duration(2000).delay(100) | |
.attr("startOffset", function(d,i) {return i * 100 / numBars + 50 / numBars + '%'; }) | |
} | |
}); | |
</script> |
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