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@mayblue9
Forked from stumpyfr/index.html
Created November 5, 2015 07:50
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Bubble Chart
<html>
<head>
<style>
.chart rect {
fill: steelblue;
}
.chart rect:hover {
fill: turquoise;
}
.chart .rectM {
stroke: green;
stroke-width: 1;
fill: green;
fill-opacity: .2;
}
.chart .rectM:hover {
fill: green;
fill-opacity: .5;
}
.chart text {
font: 10px sans-serif;
}
.chart .title {
font: 15px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
</style>
<script src="//cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js"></script>
</head>
<body>
<div class="chart"></div>
<script>
var height = 400;
var width = 600;
var margin = 40;
var data =[];
for(var i = 0; i < 42; i++) {
data.push({
x: Math.random() * 400,
y: Math.random() * 100,
c: Math.round(Math.random() * 5),
size: Math.random() * 200,
});
}
var labelX = 'X';
var labelY = 'Y';
var svg = d3.select('.chart')
.append('svg')
.attr('class', 'chart')
.attr("width", width + margin + margin)
.attr("height", height + margin + margin)
.append("g")
.attr("transform", "translate(" + margin + "," + margin + ")");
var x = d3.scale.linear()
.domain([d3.min(data, function (d) { return d.x; }), d3.max(data, function (d) { return d.x; })])
.range([0, width]);
var y = d3.scale.linear()
.domain([d3.min(data, function (d) { return d.y; }), d3.max(data, function (d) { return d.y; })])
.range([height, 0]);
var scale = d3.scale.sqrt()
.domain([d3.min(data, function (d) { return d.size; }), d3.max(data, function (d) { return d.size; })])
.range([1, 20]);
var opacity = d3.scale.sqrt()
.domain([d3.min(data, function (d) { return d.size; }), d3.max(data, function (d) { return d.size; })])
.range([1, .5]);
var color = d3.scale.category10();
var xAxis = d3.svg.axis().scale(x);
var yAxis = d3.svg.axis().scale(y).orient("left");
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("x", 20)
.attr("y", -margin)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text(labelY);
// x axis and label
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
.append("text")
.attr("x", width + 20)
.attr("y", margin - 10)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text(labelX);
svg.selectAll("circle")
.data(data)
.enter()
.insert("circle")
.attr("cx", width / 2)
.attr("cy", height / 2)
.attr("opacity", function (d) { return opacity(d.size); })
.attr("r", function (d) { return scale(d.size); })
.style("fill", function (d) { return color(d.c); })
.on('mouseover', function (d, i) {
fade(d.c, .1);
})
.on('mouseout', function (d, i) {
fadeOut();
})
.transition()
.delay(function (d, i) { return x(d.x) - y(d.y); })
.duration(500)
.attr("cx", function (d) { return x(d.x); })
.attr("cy", function (d) { return y(d.y); })
.ease("bounce");
function fade(c, opacity) {
svg.selectAll("circle")
.filter(function (d) {
return d.c != c;
})
.transition()
.style("opacity", opacity);
}
function fadeOut() {
svg.selectAll("circle")
.transition()
.style("opacity", function (d) { opacity(d.size); });
}
</script>
</body>
</html>
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