cemsbr/chord.html

## chord.html
<!DOCTYPE html>
<script>//<![CDATA[
document.write('<script src="//' + (location.hostname || 'localhost') + ':35729/livereload.js?snipver=1"><\/script>')
//]]></script>

<meta charset="utf-8">
<style>

body {
  font: 10px sans-serif;
}

.group-tick line {
  stroke: #000;
}

.ribbons {
  fill-opacity: 0.67;
}

</style>
<svg width="700" height="700"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>

// From http://mkweb.bcgsc.ca/circos/guide/tables/
// var matrix = [
//   [11975,  5871, 8916, 2868],
//   [ 1951, 10048, 2060, 6171],
//   [ 8010, 16145, 8090, 8045],
//   [ 1013,   990,  940, 6907]
// ];
var Mbps = Math.pow(10, 6);
var matrix = [
    [0, 1000, 3000, 0],
    [0, 0, 0, 0],
    [2000, 0, 0, 4000],
    [0, 0, 3000, 0]
];

var svg = d3.select("svg"),
    width = +svg.attr("width"),
    height = +svg.attr("height"),
    outerRadius = Math.min(width, height) * 0.5 - 40,
    innerRadius = outerRadius - 30;

var formatValue = d3.formatPrefix(",.0", 1e3);

var chord = d3.chord()
    .padAngle(0.05)
    .sortSubgroups(d3.descending);

var arc = d3.arc()
    .innerRadius(innerRadius)
    .outerRadius(outerRadius);

var ribbon = d3.ribbon()
    .radius(innerRadius);

var color = d3.scaleOrdinal()
    .domain(d3.range(4))
    .range(["#000000", "#FFDD89", "#957244", "#F26223"]);

var g = svg.append("g")
    .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")")
    .datum(chord(matrix));

var group = g.append("g")
    .attr("class", "groups")
  .selectAll("g")
  .data(function(chords) { return chords.groups; })
  .enter().append("g");

group.append("path")
    .style("fill", function(d) { return color(d.index); })
    .style("stroke", function(d) { return d3.rgb(color(d.index)).darker(); })
    .attr("d", arc);

var groupTick = group.selectAll(".group-tick")
  .data(function(d) { return groupTicks(d, 1e3); })
  .enter().append("g")
    .attr("class", "group-tick")
    .attr("transform", function(d) { return "rotate(" + (d.angle * 180 / Math.PI - 90) + ") translate(" + outerRadius + ",0)"; });

groupTick.append("line")
    .attr("x2", 6);

groupTick
  .filter(function(d) { return d.value % 5e3 === 0; })
  .append("text")
    .attr("x", 8)
    .attr("dy", ".35em")
    .attr("transform", function(d) { return d.angle > Math.PI ? "rotate(180) translate(-16)" : null; })
    .style("text-anchor", function(d) { return d.angle > Math.PI ? "end" : null; })
    .text(function(d) { return formatValue(d.value); });

g.append("g")
    .attr("class", "ribbons")
  .selectAll("path")
  .data(function(chords) { return chords; })
  .enter().append("path")
    .attr("d", ribbon)
    .style("fill", function(d) { return color(d.target.index); })
    .style("stroke", function(d) { return d3.rgb(color(d.target.index)).darker(); });

// Returns an array of tick angles and values for a given group and step.
function groupTicks(d, step) {
  var k = (d.endAngle - d.startAngle) / d.value;
  return d3.range(0, d.value, step).map(function(value) {
    return {value: value, angle: value * k + d.startAngle};
  });
}

</script>
	<!DOCTYPE html>
	<script>//<![CDATA[
	document.write('<script src="//' + (location.hostname \|\| 'localhost') + ':35729/livereload.js?snipver=1"><\/script>')
	//]]></script>

	<meta charset="utf-8">
	<style>

	body {
	font: 10px sans-serif;
	}

	.group-tick line {
	stroke: #000;
	}

	.ribbons {
	fill-opacity: 0.67;
	}

	</style>
	<svg width="700" height="700"></svg>
	<script src="https://d3js.org/d3.v4.min.js"></script>
	<script>

	// From http://mkweb.bcgsc.ca/circos/guide/tables/
	// var matrix = [
	// [11975, 5871, 8916, 2868],
	// [ 1951, 10048, 2060, 6171],
	// [ 8010, 16145, 8090, 8045],
	// [ 1013, 990, 940, 6907]
	// ];
	var Mbps = Math.pow(10, 6);
	var matrix = [
	[0, 1000, 3000, 0],
	[0, 0, 0, 0],
	[2000, 0, 0, 4000],
	[0, 0, 3000, 0]
	];

	var svg = d3.select("svg"),
	width = +svg.attr("width"),
	height = +svg.attr("height"),
	outerRadius = Math.min(width, height) * 0.5 - 40,
	innerRadius = outerRadius - 30;

	var formatValue = d3.formatPrefix(",.0", 1e3);

	var chord = d3.chord()
	.padAngle(0.05)
	.sortSubgroups(d3.descending);

	var arc = d3.arc()
	.innerRadius(innerRadius)
	.outerRadius(outerRadius);

	var ribbon = d3.ribbon()
	.radius(innerRadius);

	var color = d3.scaleOrdinal()
	.domain(d3.range(4))
	.range(["#000000", "#FFDD89", "#957244", "#F26223"]);

	var g = svg.append("g")
	.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")")
	.datum(chord(matrix));

	var group = g.append("g")
	.attr("class", "groups")
	.selectAll("g")
	.data(function(chords) { return chords.groups; })
	.enter().append("g");

	group.append("path")
	.style("fill", function(d) { return color(d.index); })
	.style("stroke", function(d) { return d3.rgb(color(d.index)).darker(); })
	.attr("d", arc);

	var groupTick = group.selectAll(".group-tick")
	.data(function(d) { return groupTicks(d, 1e3); })
	.enter().append("g")
	.attr("class", "group-tick")
	.attr("transform", function(d) { return "rotate(" + (d.angle * 180 / Math.PI - 90) + ") translate(" + outerRadius + ",0)"; });

	groupTick.append("line")
	.attr("x2", 6);

	groupTick
	.filter(function(d) { return d.value % 5e3 === 0; })
	.append("text")
	.attr("x", 8)
	.attr("dy", ".35em")
	.attr("transform", function(d) { return d.angle > Math.PI ? "rotate(180) translate(-16)" : null; })
	.style("text-anchor", function(d) { return d.angle > Math.PI ? "end" : null; })
	.text(function(d) { return formatValue(d.value); });

	g.append("g")
	.attr("class", "ribbons")
	.selectAll("path")
	.data(function(chords) { return chords; })
	.enter().append("path")
	.attr("d", ribbon)
	.style("fill", function(d) { return color(d.target.index); })
	.style("stroke", function(d) { return d3.rgb(color(d.target.index)).darker(); });

	// Returns an array of tick angles and values for a given group and step.
	function groupTicks(d, step) {
	var k = (d.endAngle - d.startAngle) / d.value;
	return d3.range(0, d.value, step).map(function(value) {
	return {value: value, angle: value * k + d.startAngle};
	});
	}

	</script>