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@romsson
Last active April 23, 2018 03:58
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D3 bar chart with animation
license: mit
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
rect {
fill: none;
stroke: black;
stroke-width: 1;
}
</style>
</head>
<body>
<script>
var n = 10;
var svg = d3.select("body").append("svg")
.attr("width", 960)
.attr("height", 500);
var data = [22, 32, 21, 23, 10, 22, 11, 19, 30, 50, 19, 30, 50, 19, 30, 87];
var y = d3.scaleLinear()
.domain([0, d3.max(data)])
.range([0, 100]);
svg.selectAll("rect").data(data)
.enter()
.append("rect")
.attr("width", 50)
.attr("height", function(d) { return y(d); })
.attr("x", function(d, i) { return i * 55; })
.attr("y", function(d) { return 200 - y(d); })
setInterval(function(d) {
data = d3.range(data.length).map(function() {
return Math.random();
});
y.domain([0, 1])
.range([0, 100]);
svg.selectAll("rect").data(data).transition()
.attr("height", function(d) { return y(d); })
.attr("y", function(d) { return 200 - y(d); })
}, 500);
</script>
</body>
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