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@tomshanley
Created May 4, 2020 03:10
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fresh block
license: mit
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
</style>
</head>
<body>
<script>
let data = [{
value: 30,
key: "Alta"
}, {
value: 37,
key: "Media"
}, {
value: 15,
key: "Moderada"
}, {
value: 8,
key: "Baja"
},
{
value: 13,
key: "Muy baja"
},
]
var margin = {top: 20, right: 20, bottom: 20, left: 20},
width = 500 - margin.right - margin.left,
height = 500 - margin.top - margin.bottom,
radius = width/2;
var color = d3.scaleOrdinal()
.range(["#B4DC70", "#FEFE2B", "#FE8E2B", "#FE2B2B", "#2B5EFE"]);
// arc generator
var arc = d3.arc()
.outerRadius(radius - 10)
.innerRadius(radius - 70);
// generate pie chart and donut chart
var pie = d3.pie()
.sort(null)
.value(function(d) { return d.value; });
// define the svg for pie chart
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");
var amenazasCount = d3.nest()
.key(function(d) { return d.TEXTO_AMENAZA; })
.rollup(function(v) { return v.length; })
.entries(data);
amenazasCount.forEach(function(d) {
d.value = +d.value;
});
var g = svg.selectAll(".arc")
.data(pie(amenazasCount))
.enter().append("g")
.attr("class", "arc");
// append path
g.append("path")
.attr("d", arc)
.style("fill", function(d) { return color(d.data.key); });
var legendG = svg.selectAll(".legend")
.data(pie(amenazasCount))
.enter().append("g")
.attr("transform", function(d,i){
return "translate(" + (width - 110) + "," + (i * 15 + 20) + ")";
})
.attr("class", "legend");
legendG.append("rect")
.attr("width", 10)
.attr("height", 10)
.attr("fill", function(d) { return color(d.data.key); });
legendG.append("text")
.text(function(d){
return d.value + " " + d.data.key;
})
.style("font-size", 12)
.attr("y", 10)
.attr("x", 11);
</script>
</body>
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