Sankey chart with the sankey.js amended to sort the links alphabetically by d.category. An improvement will be to sort by d.category and then by its source/target node.
forked from tomshanley's block: Sankey chart with links sorted by category
xxxxxxxxxx
<html>
<meta charset="utf-8">
<title>Channel Shift</title>
<style>
body {
font-family: "Cambria", serif;
}
#chart {
height: 500px;
}
.node rect {
cursor: move;
fill-opacity: .9;
shape-rendering: crispEdges;
}
.node text {
pointer-events: none;
text-shadow: 0 1px 0 #fff;
font-family: "Cambria", serif;
}
.link-confirmation {
fill: none;
stroke-opacity: .5;
}
.link-confirmation {
fill: none;
stroke: red;
stroke-opacity: .5;
}
.link-interaction {
fill: none;
stroke: green;
stroke-opacity: .5;
}
.link-transaction {
fill: none;
stroke: blue;
stroke-opacity: .5;
}
.link-information {
fill: none;
stroke: orange;
stroke-opacity: .5;
}
.link-information:hover {
stroke-opacity: .7;
}
.link-transaction:hover {
stroke-opacity: .7;
}
.link-interaction:hover {
stroke-opacity: .7;
}
.link-confirmation:hover {
stroke-opacity: .7;
}
table
{
border-spacing:5px;
}
</style>
<body>
<table style="width:300px">
<tr>
<td style="background-color:red">Confirmation</td>
<td style="background-color:orange">Information</td>
<td style="background-color:green">Interaction</td>
<td style="background-color:blue">Transaction</td>
</tr>
</table>
<p id="chart">
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="sankey-cs.js"></script>
<script src="https://d3js.org/colorbrewer.v1.min.js"></script>
<script>
var margin = {top: 1, right: 1, bottom: 6, left: 1},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var formatNumber = d3.format(",.0f"),
color = d3.scale.category20();
var typesColour = d3.scale.ordinal()
.domain(["interaction", "information", "confirmation", "transaction"])
//.range(colorbrewer.BuGn[4])
.range(["red","yellow","blue","green"])
;
var svg = d3.select("#chart").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 + ")");
var sankey = d3.sankey()
.nodeWidth(30)
.nodePadding(30)
.layout(1)
.size([width, height]);
var path = sankey.link();
d3.json("channel-shift.json", function(energy) {
sankey
.nodes(energy.nodes)
.links(energy.links)
.layout(32);
var link = svg.append("g").selectAll(".link")
.data(energy.links)
.enter().append("path")
.attr("class", function(d) { return "link-" + d.type;} )
.attr("d", path)
//.attr("stroke", typesColour(function(d) { return d.type;} ))
.style("stroke-width", function(d) { return Math.max(1, d.dy); })
.sort(function(a, b) { return b.dy - a.dy; });
link.append("title")
.text(function(d) { return d.source.name + " → " + d.target.name + "\n" + d.type; });
//d3.selectAll("path").style("stroke", typesColour(function(d) { return d.type; }));
var node = svg.append("g").selectAll(".node")
.data(energy.nodes)
.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
.call(d3.behavior.drag()
.origin(function(d) { return d; })
.on("dragstart", function() { this.parentNode.appendChild(this); })
.on("drag", dragmove));
node.append("rect")
.attr("height", function(d) { return d.dy; })
.attr("width", sankey.nodeWidth())
.style("fill", function(d) { return d.color = color(d.name.replace(/ .*/, "")); })
//.style("stroke", function(d) { return d3.rgb(d.color).darker(2); })
.append("title")
.text(function(d) { return d.name ; });
node.append("text")
.attr("x", -6)
.attr("y", function(d) { return d.dy / 2; })
.attr("dy", ".35em")
.attr("text-anchor", "end")
.attr("transform", null)
.text(function(d) { return d.name; })
.filter(function(d) { return d.x < width / 2; })
.attr("x", 6 + sankey.nodeWidth())
.attr("text-anchor", "start");
function dragmove(d) {
d3.select(this).attr("transform", "translate(" + d.x + "," + (d.y = Math.max(0, Math.min(height - d.dy, d3.event.y))) + ")");
sankey.relayout();
link.attr("d", path);
}
function fade(opacity) {
return function(g, i) {
var elements = svg.selectAll(".node");
elements = elements.filter(function(d) { return d.name != graph.nodes[i].name });
elements.transition()
.style("opacity", opacity);
svg.selectAll(".link")
.filter(function(d) { return d.source.name != graph.nodes[i].name && d.target.name != graph.nodes[i].name })
.transition()
.style("opacity", opacity);
};
}
});
</script>
Modified http://d3js.org/d3.v3.min.js to a secure url
Modified http://d3js.org/colorbrewer.v1.min.js to a secure url
https://d3js.org/d3.v3.min.js
https://d3js.org/colorbrewer.v1.min.js