A redesign of the radar chart function that was created by alangrafu, used in my blog on Making the D3 Radar Chart look a bit better
An even newer version created 2 years later can be found here
forked from nbremer's block: D3.js - Radar Chart or Spider Chart - Adjusted from radar-chart-d3
forked from alandunning's block: Radar Chart D3 V4
forked from noblemillie's block: Radar Chart D3 V4
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<meta charset="utf-8">
<head>
<link href="https://fonts.googleapis.com/css?family=Fira+Sans:300,300i,400,500,700" rel="stylesheet">
</head>
<style>
body {
background-color: #F1F3F3
}
.axis {
font: 15px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #D4D8DA;
stroke-width: 2px;
shape-rendering: crispEdges;
}
#chart {
position: absolute;
top: 60px;
left: -20px;
}
.toolTip {
pointer-events: none;
position: absolute;
display: none;
min-width: 50px;
height: auto;
background: none repeat scroll 0 0 #ffffff;
padding: 9px 14px 6px 14px;
border-radius: 2px;
text-align: center;
line-height: 1.3;
color: #5B6770;
box-shadow: 0px 3px 9px rgba(0, 0, 0, .15);
}
.toolTip:after {
content: "";
width: 0;
height: 0;
border-left: 12px solid transparent;
border-right: 12px solid transparent;
border-top: 12px solid white;
position: absolute;
bottom: -10px;
left: 50%;
margin-left: -12px;
}
.toolTip span {
font-weight: 500;
color: #081F2C;
}
</style>
<style>
.axis path, .axis--x line {
display: none;
}
input {
position: absolute;
left: 130px;
top:500px;
width:150px;
}
</style>
<svg width="900" height="700"></svg>
<script src="//d3js.org/d3.v4.min.js"></script>
<script src="RadarChart.js"></script>
<script src="https://d3js.org/d3-color.v1.min.js"></script>
<script src="https://d3js.org/d3-interpolate.v1.min.js"></script>
<script src="https://d3js.org/d3-scale-chromatic.v1.min.js"></script>
<input type="range" min="0" max="100" step="25" value="0">
<script>
var svg = d3.select("svg"),
margin = {top: 150, right: 150, bottom: 100, left: 450},
width = +svg.attr("width") - margin.left - margin.right,
height = +svg.attr("height") - margin.top - margin.bottom,
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var x = d3.scaleBand()
.rangeRound([5, width])
.padding(0.218917888)
.align(0.75);
var y = d3.scaleLinear()
.rangeRound([height, 0]);
var z = d3.scaleOrdinal(d3.schemeSet3)
var stack = d3.stack();
d3.csv("data.csv", function(error, data) {
if (error) throw error;
var data_nest = d3.nest()
.key(function(d){
return d.Slider
})
.entries(data);
data = data_nest.filter(function(d){ return d.key == 0})[0].values;
var cat = ["first","second","third"];
x.domain(data.map(function(d) { return d.x; }));
y.domain([0, 100]).nice();
z.domain(cat);
g.selectAll(".serie")
.data(stack.keys(cat)(data))
.enter().append("g")
.attr("class", "serie")
.attr("fill", function(d) {return z(d.key); })
.selectAll("rect")
.data(function(d) { return d; })
.enter().append("rect")
.attr("x", function(d) { return x(d.data.x); })
.attr("y", function(d) { return y(d[1]) - 0; })
.attr("height", function(d) { return y(d[0]) - y(d[1]); })
.attr("width", x.bandwidth() + 1);
g.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + 450 + ")")
// .attr("transform", "translate(0," + height + ")")
.style("font", "18px sans-serif")
.call(d3.axisBottom(x));
g.append("g")
.attr("class", "axis axis--y")
.attr("transform","translate(" + width + ",0)")
.call(d3.axisRight(y).ticks(5, "s"))
.append("text")
.attr("x", 2)
.attr("y", y(y.ticks(5).pop()))
.attr("dy", "0.35em")
.attr("text-anchor", "start")
.attr("fill", "#000000");
d3.select("input")
.on("input", changed)
.on("change", changed);
function changed() {
var value = this.value;
g.selectAll(".serie")
.data(stack.keys(cat)(data_nest.filter(function(d){return +d.key == value})[0].values))
.selectAll("rect")
.data(function(d) { return d; })
.transition()
.duration(500)
.delay(function(d,i){return i*100})
.attr("height", function(d) { return y(d[0]) - y(d[1]); })
.attr("x", function(d) { return x(d.data.x); })
.attr("y", function(d) { return y(d[1]); })
}
});
</script>
<div id="chart"></div>
<script>
var width = 300,
height = 300;
// Config for the Radar chart
var config = {
w: width,
h: height,
maxValue: 100,
levels: 5,
ExtraWidthX: 300
}
//Call function to draw the Radar chart
d3.json("data.json", function(error, data) {
if (error) throw error;
RadarChart.draw("#chart", data, config);
});
var svg = d3.select('body')
.selectAll('svg')
.append('svg')
.attr("width", width)
.attr("height", height);
</script>
https://d3js.org/d3.v4.min.js
https://d3js.org/d3-color.v1.min.js
https://d3js.org/d3-interpolate.v1.min.js
https://d3js.org/d3-scale-chromatic.v1.min.js