<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Tutorial: a bubble chart with D3</title>
<script src="https://d3js.org/d3.v7.min.js"></script>
</head>
<body>
<h1>A bubble chart with D3</h1>
<form action="">
<input type="radio" name="gender" value="1960"> 1960<br>
<input type="radio" name="gender" value="2018" checked> 2018<br>
</form>
</body>
</html>
.Asia {
fill: #FF265C
}
.Europe {
fill: #FFE700
}
.Africa {
fill: #4ED7E9
}
.Americas {
fill: #70ED02
}
.Oceania {
fill: purple
}
.tick line {
stroke: #DDEAED
}
.tick text {
color: #878787;
font-size: 14px
}
#year {
font-size: 300px;
text-anchor: middle;
fill: #DADADA;
letter-spacing: 40px;
}
div.tooltip {
position: absolute;
text-align: center;
height: 24px;
padding: 5px;
font: 18px sans-serif;
background: white;
border: 2px solid black;
border-radius: 8px;
pointer-events: none;
}
//D3 margin convention, see https://bl.ocks.org/mbostock/3019563
const margin = {top: 20, right: 10, bottom: 20, left: 10};
const width = 800 - margin.left - margin.right;
const height = 600 - margin.top - margin.bottom;
const g = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", `translate(${margin.left},${margin.top})`);
const tooltip = d3.select("body").append("div")
.attr("class", "tooltip")
.style("opacity", 0);
//var dataUrl = "https://docs.google.com/spreadsheets/d/e/2PACX-1vRpzJYEJv9hkwx3ZLaimdpZmrHK_hyPGXlAho_BaM2p_qsWRygvorbif1KvyPP_k0mt6j04vIL0ANUT/pub?gid=43247911&single=true&output=csv"
var dataUrl = "https://docs.google.com/spreadsheets/d/e/2PACX-1vSahNuUAZzU1rbZf3UtWaBxI0TVRo531BVnSM9xSDK3g9MjDY6J1qLHrVwcHeorinVPCSomFmS3jFqv/pub?output=csv"
d3.csv(dataUrl).then(function(data){
data.forEach(function(d){
d.income = +d.income;
d.lifeexp = +d.lifeexp;
d.population = +d.population;
d.income60 = +d.income60;
d.lifeexp60 = +d.lifeexp60;
d.population60 = +d.population60;
})
console.log(data);
const maxpop = d3.max(data, d => d.population);
data.sort(function(a,b){
return b.population - a.population;
});
g.append("text")
.attr("x", width/2)
.attr("y", height*2/3)
.text("2018")
.attr("id", "year");
const xScale = d3.scaleLog()
.domain([400,100000])
.range([0,width]);
const yScale = d3.scaleLinear()
.domain([15,90])
.range([height,0])
const rScale = d3.scaleSqrt()
.domain([0, maxpop])
.range([0,50]);
const colors =["#FF265C", "#FFE700", "#4ED7E9", "#70ED02", "purple"];
const colorScale = d3.scaleOrdinal()
.domain(["Asia", "Europe", "Africa", "Americas", "Oceania"])
.range(colors);
const yAxis = d3.axisLeft(yScale)
.tickSizeInner(-width);
g.append("g")
.attr("transform", "translate(10,0)")
.call(yAxis);
const xAxis = d3.axisBottom(xScale)
.tickValues([500, 1000, 2000, 4000, 8000, 16000, 32000, 64000])
.tickFormat(d3.format(".1s"))
.tickSizeInner(-height);
g.append("g")
.attr("transform", `translate(10,${height})`)
.call(xAxis);
g.selectAll("circle")
.data(data)
.join("circle")
//.attr("class", (d) => d.continent)
.attr("cx", (d) => xScale(d.income))
.attr("cy", (d) => yScale(d.lifeexp))
.attr("r", (d) => rScale(d.population))
.style("fill", (d) => colorScale(d.continent))
.style("stroke", "black")
.on("mouseover", (event,d) => {
tooltip.style("opacity", 1)
.text(d.country)
.style("left", (d3.pointer(event)[0] + 10) + "px")
.style("top", (d3.pointer(event)[1]+50) + "px");
})
.on("mouseout", (d) => {
tooltip.style("opacity", 0);});
d3.selectAll('input').on('change', function() {
console.log('selection changed to ' + this.value);
});
});
Output
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Keyboard Shortcuts
Shortcut | Action |
---|---|
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ctrl + 0 | Close focused panel |
ctrl + enter | Re-render output. If console visible: run JS in console |
Ctrl + l | Clear the console |
ctrl + / | Toggle comment on selected lines |
ctrl + ] | Indents selected lines |
ctrl + [ | Unindents selected lines |
tab | Code complete & Emmet expand |
ctrl + shift + L | Beautify code in active panel |
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ctrl + shift + s | Open the share options |
ctrl + y | Archive Bin |
Complete list of JS Bin shortcuts |
JS Bin URLs
URL | Action |
---|---|
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