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sankey.html
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sankey.html
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<!DOCTYPE html>
<meta charset="utf-8">
<title>Hospital Beds</title>
<style>
.dimension { cursor: ns-resize; }
.category { cursor: ew-resize; }
.dimension tspan.name { font-size: 1.5em; fill: #333; font-weight: bold; }
.dimension tspan.sort { fill: #000; cursor: pointer; opacity: 0; }
.dimension tspan.sort:hover { fill: #333; }
.dimension:hover tspan.name { fill: #000; }
.dimension:hover tspan.sort { opacity: 1; }
.dimension line { stroke: #000; }
.dimension rect { stroke: none; fill-opacity: 0; }
.dimension > rect, .category-background { fill: #fff; }
.dimension > rect { display: none; }
.category:hover rect { fill-opacity: .3; }
.dimension:hover > rect { fill-opacity: .3; }
.ribbon path { stroke-opacity: 0; fill-opacity: .5; }
.ribbon path.active { fill-opacity: .9; }
.ribbon-mouse path { fill-opacity: 0; }
.category-0 { fill: #1f77b4; stroke: #1f77b4; }
.category-1 { fill: #ff7f0e; stroke: #ff7f0e; }
.category-2 { fill: #2ca02c; stroke: #2ca02c; }
.category-3 { fill: #d62728; stroke: #d62728; }
.category-4 { fill: #9467bd; stroke: #9467bd; }
.category-5 { fill: #8c564b; stroke: #8c564b; }
.category-6 { fill: #e377c2; stroke: #e377c2; }
.category-7 { fill: #7f7f7f; stroke: #7f7f7f; }
.category-8 { fill: #bcbd22; stroke: #bcbd22; }
.category-9 { fill: #17becf; stroke: #17becf; }
.tooltip {
background-color: rgba(242, 242, 242, .6);
position: absolute;
padding: 5px;
}
body {
font-family: sans-serif;
font-size: 16px;
width: 960px;
margin: 1em auto;
position: relative;
}
h1, h2, .dimension text {
text-align: center;
font-family: "PT Sans", Helvetica;
font-weight: 300;
}
h1 {
font-size: 4em;
margin: .5em 0 0 0;
}
h2 {
font-size: 2em;
margin: 1em 0 0.5em;
border-bottom: solid #ccc 1px;
}
p.meta, p.footer {
font-size: 13px;
color: #333;
}
p.meta {
text-align: center;
}
text.icicle { pointer-events: none; }
.options { font-size: 12px; text-align: center; padding: 5px 0; }
.curves { float: left; }
.source { float: right; }
pre, code { font-family: "Menlo", monospace; }
.html .value,
.javascript .string,
.javascript .regexp {
color: #756bb1;
}
.html .tag,
.css .tag,
.javascript .keyword {
color: #3182bd;
}
.comment {
color: #636363;
}
.html .doctype,
.javascript .number {
color: #31a354;
}
.html .attribute,
.css .attribute,
.javascript .class,
.javascript .special {
color: #e6550d;
}
</style>
<body>
<div id="vis"></div>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="js/d3.parsets.js"></script>
<script src="js/highlight.min.js"></script>
<script>
var chart = d3.parsets()
.dimensions(["Class", "Surge", "Type", "Status"]); //add or remove class
var vis = d3.select("#vis").append("svg") //vis svg
.attr("width", chart.width())
.attr("height", chart.height());
var partition = d3.layout.partition()
.sort(null)
.size([chart.width(), chart.height() * 5 / 4])
.children(function(d) { return d.children ? d3.values(d.children) : null; })
.value(function(d) { return d.count; });
d3.csv("data/sankey.csv", function(csv) {
vis.datum(csv).call(chart);
window.icicle = function() {
var tension = chart.tension();
var dimensions = [];
vis.selectAll("g.dimension")
.each(function(d) { dimensions.push(d); });
dimensions.sort(function(a, b) { return a.y - b.y; });
var root = d3.parsets.tree({children: {}}, csv, dimensions.map(function(d) { return d.name; }), function() { return 1; }),
nodes = partition(root),
nodesByPath = {};
nodes.forEach(function(d) {
var path = d.data.name,
p = d;
while ((p = p.parent) && p.data.name) {
path = p.data.name + "\0" + path;
}
if (path) nodesByPath[path] = d;
});
var data = [];
vis.on("mousedown.icicle", stopClick, true)
.select(".ribbon").selectAll("path")
.each(function(d) {
var node = nodesByPath[d.path],
s = d.source,
t = d.target;
s.node.x0 = t.node.x0 = 0;
s.x0 = t.x0 = node.x;
s.dx0 = s.dx;
t.dx0 = t.dx;
s.dx = t.dx = node.dx;
data.push(d);
});
iceTransition(vis.selectAll("path"))
.attr("d", function(d) {
var s = d.source,
t = d.target;
return ribbonPath(s, t, tension);
})
.style("stroke-opacity", 1);
iceTransition(vis.selectAll("text.icicle")
.data(data)
.enter().append("text")
.attr("class", "icicle")
.attr("text-anchor", "middle")
.attr("dy", ".3em")
.attr("transform", function(d) {
return "translate(" + [d.source.x0 + d.source.dx / 2, d.source.dimension.y0 + d.target.dimension.y0 >> 1] + ")rotate(90)";
})
.text(function(d) { return d.source.dx > 15 ? d.node.name : null; })
.style("opacity", 1e-6))
.style("opacity", 1);
iceTransition(vis.selectAll("g.dimension rect, g.category")
.style("opacity", 1))
.style("opacity", 1e-6)
.each("end", function() { d3.select(this).attr("visibility", "hidden"); });
iceTransition(vis.selectAll("text.dimension"))
.attr("transform", "translate(0,-5)");
vis.selectAll("tspan.sort").style("visibility", "hidden");
};
d3.select("#icicle")
.on("change", icicle)
.each(icicle);
});
function ribbonPath(s, t, tension) {
var sx = s.node.x0 + s.x0,
tx = t.node.x0 + t.x0,
sy = s.dimension.y0,
ty = t.dimension.y0;
return (tension === 1 ? [
"M", [sx, sy],
"L", [tx, ty],
"h", t.dx,
"L", [sx + s.dx, sy],
"Z"]
: ["M", [sx, sy],
"C", [sx, m0 = tension * sy + (1 - tension) * ty], " ",
[tx, m1 = tension * ty + (1 - tension) * sy], " ", [tx, ty],
"h", t.dx,
"C", [tx + t.dx, m1], " ", [sx + s.dx, m0], " ", [sx + s.dx, sy],
"Z"]).join("");
}
function stopClick() { d3.event.stopPropagation(); }
// Given a text function and width function, truncates the text if necessary to
// fit within the given width.
function truncateText(text, width) {
return function(d, i) {
var t = this.textContent = text(d, i),
w = width(d, i);
if (this.getComputedTextLength() < w) return t;
this.textContent = "…" + t;
var lo = 0,
hi = t.length + 1,
x;
while (lo < hi) {
var mid = lo + hi >> 1;
if ((x = this.getSubStringLength(0, mid)) < w) lo = mid + 1;
else hi = mid;
}
return lo > 1 ? t.substr(0, lo - 2) + "…" : "";
};
}
d3.select("#file").on("change", function() {
var file = this.files[0],
reader = new FileReader;
reader.onloadend = function() {
var csv = d3.csv.parse(reader.result);
vis.datum(csv).call(chart
.value(csv[0].hasOwnProperty("Number") ? function(d) { return +d.Number; } : 1)
.dimensions(function(d) { return d3.keys(d[0]).filter(function(d) { return d !== "Number"; }).sort(); }));
};
reader.readAsText(file);
});
</script>
</body>
</html>