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@HarryStevens
Last active Oct 30, 2017
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Bubble Update Pattern II
license: gpl-3.0
<html>
<head>
<style>
body {
margin: 0;
font-family: "Helvetica", sans-serif;
}
text {
text-anchor: middle;
fill: #fff;
}
</style>
</head>
<body>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://unpkg.com/shape2path@2.0.0/build/shape2path.min.js"></script>
<script src="https://unpkg.com/jeezy@1.12.0/lib/jeezy.min.js"></script>
<script>
var alphabet = "abcdefghijklmnopqrstuvwxyz".split("");
var width = window.innerWidth, height = window.innerHeight;
var svg = d3.select("body").append("svg").attr("width", width).attr("height", height);
var pack = d3.pack()
.size([width, height])
.padding(1.5);
redraw(randomizeData());
d3.interval(function(){
redraw(randomizeData());
}, 1500);
function redraw(classes){
// hierarchy
var h = d3.hierarchy({children: classes})
.sum(function(d) { return d.size; })
//JOIN
var circle = svg.selectAll("path")
.data(pack(h).leaves(), function(d){ return d.data.name; });
var text = svg.selectAll("text")
.data(pack(h).leaves(), function(d){ return d.data.name; });
//EXIT
circle.exit()
.style("fill", "#b26745")
.transition()
.attr("d", function(d){ return shape2path.circle({cx: d.x, cy: d.y, r: 1e-6}); })
.remove();
text.exit()
.transition()
.attr("opacity", 1e-6)
.remove();
//UPDATE
circle
.transition()
.attr("d", function(d){ return shape2path.circle({cx: d.x, cy: d.y, r: d.r}); })
.style("fill", "#3a403d");
text
.transition()
.attr("x", function(d){ return d.x; })
.attr("y", function(d){ return d.y; });
//ENTER
circle.enter().append("path")
.attr("d", function(d){ return shape2path.circle({cx: d.x, cy: d.y, r: 1e-6}); })
.style("fill", "#fff")
.transition()
.attr("d", function(d){ return shape2path.circle({cx: d.x, cy: d.y, r: d.r}); })
.style("fill", "#45b29d");
text.enter().append("text")
.attr("opacity", 1e-6)
.attr("x", function(d){ return d.x; })
.attr("y", function(d){ return d.y; })
.attr("dy", 6)
.text(function(d){ return d.data.name; })
.transition()
.attr("opacity", 1);
}
function randomizeData(){
var out = [];
var shuffled = jz.arr.shuffle(alphabet);
for (var i = 0; i < jz.num.randBetween(1, alphabet.length); i++){
out.push({name: shuffled[i], size: jz.num.randBetween(1, 10)});
}
return out;
}
</script>
</body>
</html>
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