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chords.html~
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
#tooltip {
color: white;
opacity: .9;
background: #333;
padding: 5px;
border: 1px solid lightgrey;
border-radius: 5px;
position: absolute;
z-index: 10;
visibility: hidden;
white-space: nowrap;
pointer-events: none;
}
#circle circle {
fill: none;
pointer-events: all;
}
path.group {
fill-opacity: .8;
}
path.chord {
fill-opacity: .8;
stroke: #000;
stroke-width: .25px;
}
#circle:hover path.fade {
display: none;
}
</style>
</head>
<body>
<div id="tooltip"></div>
<script src="lib/d3.js"></script>
<script src="lib/underscore.js"></script>
<script src="js/mapper.js"></script>
<script>
//*******************************************************************
// CREATE MATRIX AND MAP
//*******************************************************************
d3.csv('data/test_output3.csv', function (error, data) {
var mpr = chordMpr(data);
mpr
.addValuesToMap('has')
.setFilter(function (row, a, b) {
return (row.has === a.name && row.prefers === b.name)
})
.setAccessor(function (recs, a, b) {
if (!recs[0]) return 0;
return +recs[0].count;
});
drawChords(mpr.getMatrix(), mpr.getMap());
});
//*******************************************************************
// DRAW THE CHORD DIAGRAM
//*******************************************************************
function drawChords (matrix, mmap) {
var w = 980, h = 800, r1 = h / 2, r0 = r1 - 100;
var fill = d3.scale.ordinal()
.domain(d3.range(4))
.range(["#1abc9c", "#2ecc71", "#3498db", "#9b59b6", "#34495e", "#95a5a6", "#ecf0f1", "#e74c3c", "#e67e22", "#e67e22", "#f1c40f", "#f39c12", "#7f8c8d", "#D50200", "#27ae60", "#2980b9"]);
var chord = d3.layout.chord()
.padding(.02)
.sortSubgroups(d3.descending)
.sortChords(d3.descending);
var arc = d3.svg.arc()
.innerRadius(r0)
.outerRadius(r0 + 20);
var svg = d3.select("body").append("svg:svg")
.attr("width", w)
.attr("height", h)
.append("svg:g")
.attr("id", "circle")
.attr("transform", "translate(" + w / 2 + "," + h / 2 + ")");
svg.append("circle")
.attr("r", r0 + 20);
svg.append("rect")
.attr("width", "300%")
.attr("height", "300%")
.attr("fill", "black")
.attr("x", -1000)
.attr("y", -1000);
var rdr = chordRdr(matrix, mmap);
chord.matrix(matrix);
var g = svg.selectAll("g.group")
.data(chord.groups())
.enter().append("svg:g")
.attr("class", "group")
.on("mouseover", mouseover)
.on("mouseout", function (d) { d3.select("#tooltip").style("visibility", "hidden") });
g.append("svg:path")
.style("stroke", "black")
.style("fill", function(d) { return fill(d.index); })
.attr("d", arc);
g.append("svg:text")
.each(function(d) { d.angle = (d.startAngle + d.endAngle) / 2; })
.attr("dy", ".35em")
.style("font-family", "helvetica, arial, sans-serif")
.style("fill", "white")
.style("font-size", "30px")
.attr("text-anchor", function(d) { return d.angle > Math.PI ? "end" : null; })
.attr("transform", function(d) {
return "rotate(" + (d.angle * 180 / Math.PI - 90) + ")"
+ "translate(" + (r0 + 26) + ")"
+ (d.angle > Math.PI ? "rotate(180)" : "");
})
.text(function(d) { return rdr(d).gname; });
var chordPaths = svg.selectAll("path.chord")
.data(chord.chords())
.enter().append("svg:path")
.attr("class", "chord")
.style("stroke", function(d) { return d3.rgb(fill(d.target.index)).darker(); })
.style("fill", function(d) { return fill(d.target.index); })
.attr("d", d3.svg.chord().radius(r0))
.on("mouseover", function (d) {
d3.select("#tooltip")
.style("visibility", "visible")
.html(chordTip(rdr(d)))
.style("top", function () { return (d3.event.pageY - 100)+"px"})
.style("left", function () { return (d3.event.pageX - 100)+"px";})
})
.on("mouseout", function (d) { d3.select("#tooltip").style("visibility", "hidden") });
function chordTip (d) {
var p = d3.format(".2%"), q = d3.format(",.3r")
return "Chord Info:<br/>"
+ p(d.svalue/d.stotal) + " (" + q(d.svalue) + ") of "
+ d.sname + " chords go to " + d.tname
+ (d.sname === d.tname ? "": ("<br/>while...<br/>"
+ p(d.tvalue/d.ttotal) + " (" + q(d.tvalue) + ") of "
+ d.tname + " chords go to " + d.sname))
}
function groupTip (d) {
var p = d3.format(".1%"), q = d3.format(",.3r")
return "Group Info:<br/>"
+ d.gname + " : " + q(d.gvalue) + "<br/>"
+ p(d.gvalue/d.mtotal) + " of Matrix Total (" + q(d.mtotal) + ")"
}
function mouseover(d, i) {
d3.select("#tooltip")
.style("visibility", "visible")
.html(groupTip(rdr(d)))
.style("top", function () { return (d3.event.pageY - 80)+"px"})
.style("left", function () { return (d3.event.pageX - 130)+"px";})
chordPaths.classed("fade", function(p) {
return p.source.index != i
&& p.target.index != i;
});
}
}
</script>
</body>
</html>