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two arc chord graph
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license: mit |
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<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<style> | |
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
.faculty-group text, | |
.area-group text | |
{ | |
font: 11px sans-serif; | |
pointer-events: none; | |
} | |
.faculty-group path, | |
.area-group path | |
{ | |
stroke: #000; | |
fill-opacity: 0.7; | |
} | |
.area-group path { | |
fill-opacity: 0.5; | |
} | |
path.chord { | |
stroke-width: .75; | |
fill-opacity: .75; | |
} | |
</style> | |
</head> | |
<body> | |
This doesn't work yet - v3 version: http://jsfiddle.net/che85hL9/ | |
<script> | |
// Feel free to change or delete any of the code you see in this editor! | |
var svg = d3.select("body").append("svg") | |
.attr("width", 960) | |
.attr("height", 500) | |
var areas = [ | |
{"id":"2","area":"Group A","color":"#374900"}, | |
{"id":"3","area":"Group B","color":"#0f2d4f"}, | |
{"id":"4","area":"Group C","color":"#2f0f4f"}, | |
{"id":"5","area":"Group D","color":"#4c2506"}, | |
{"id":"6","area":"Group E","color":"#595605"} | |
]; | |
var data = [ | |
{"id":"DM459","first_name":"Person One","area":"2","active":"1","plans":[ | |
{"destination":"BC234","count":"1"}, | |
{"destination":"AB123","count":"1"} | |
]}, | |
{"id":"CD459","first_name":"Person Two","area":"3","active":"1","plans":[ | |
{"destination":"AB123","count":"2"} | |
]}, | |
{"id":"MN549","first_name":"Person Three","area":"3","active":"1","plans":[ | |
{"destination":"GH529","count":"2"} | |
]}, | |
{"id":"GH529","first_name":"Person Four","area":"4","active":"1","plans":[ | |
{"destination":"EF329","count":"1"}, | |
{"destination":"MN549","count":"2"} | |
]}, | |
{"id":"AB123","first_name":"Person Five","area":"5","active":"1","plans":[ | |
{"destination":"BC234","count":"5"}, | |
{"destination":"CD459","count":"2"}, | |
{"destination":"DM459","count":"1"}, | |
{"destination":"EF329","count":"1"} | |
]}, | |
{"id":"BC234","first_name":"Person Six","area":"5","active":"1","plans":[ | |
{"destination":"AB123","count":"5"}, | |
{"destination":"DM459","count":"1"}, | |
{"destination":"EF329","count":"1"} | |
]}, | |
{"id":"EF329","first_name":"Person Seven","area":"6","active":"1","plans":[ | |
{"destination":"BC234","count":"1"}, | |
{"destination":"AB123","count":"1"}, | |
{"destination":"GH529","count":"1"} | |
]} | |
]; | |
// initialize square matrix for plan and assign faculty unique ids | |
var plans = [], | |
faculty = {}; | |
for(var i = 0; i < data.length; i++) { | |
plans[i] = []; | |
// stash a unique integer for each faculty member | |
faculty[data[i].id] = i; | |
for (var j = 0; j < data.length; j++) { | |
plans[i][j] = 0; | |
} | |
} | |
// populate the plan matrix | |
data.forEach(function(facultyMember) { | |
facultyMember.plans.forEach(function(destination) { | |
//console.log("adding " + destination.count + " plans involving source: " + facultyMember.id + "(" + faculty[facultyMember.id] + ") and destination " + destination.destination + "(" + faculty[destination.destination] + ")"); | |
plans[faculty[facultyMember.id]][faculty[destination.destination]] = +destination.count; | |
}); | |
}); | |
// initialize square matrix for areas and stash the unique id for each area | |
var areaMatrix = [], | |
areaIds = {}; | |
for(var i = 0; i < areas.length; i++) { | |
areaMatrix[i] = []; | |
areaIds[areas[i].id] = i; | |
for (var j = 0; j < areas.length; j++) { | |
areaMatrix[i][j] = 0; | |
} | |
} | |
// populate the areas matrix | |
areas.forEach(function(area) { | |
data.forEach(function(facultyMember) { | |
facultyMember.plans.forEach(function(destination) { | |
areaMatrix[areaIds[facultyMember.area]][areaIds[data[faculty[destination.destination]].area]] += +destination.count; | |
}); | |
}); | |
}); | |
console.log("areaMatrix", areaMatrix); | |
var width = 500, | |
height = 500, | |
outerRadius = Math.min(width, height) / 2 - 20, | |
innerRadius = outerRadius - 20, | |
colorIncrement = 0.07, | |
currentColorIncrement = 0, | |
currentArea = 0; | |
var areasArc = d3.arc() | |
.innerRadius(innerRadius) | |
.outerRadius(outerRadius); | |
var areasLayout = d3.chord(plans); | |
var facultyArc = d3.arc() | |
.innerRadius(innerRadius - 24) | |
.outerRadius(outerRadius - 24); | |
var facultyLayout = d3.chord(plans); | |
//.sortGroups(d3.descending) | |
//.sortSubgroups(d3.descending) | |
//.sortChords(d3.descending) | |
//.padding(0.04); | |
var ribbon = d3.ribbon(plans) | |
.radius(innerRadius - 24); | |
// The color scale, for different categories of "worrisome" risk. | |
var fill = d3.scaleOrdinal() | |
.domain([0, 1, 2]) | |
.range(["#DB704D", "#D2D0C6", "#ECD08D", "#F8EDD3"]); | |
// attach svg object to the content well | |
var g = svg.append("g") | |
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); | |
console.log(plans); | |
//console.log(facultyLayout); | |
// Add faculty groups | |
var facultyGroups = svg.selectAll("g.faculty-group") | |
.data(facultyLayout.groups) | |
.enter() | |
.append("svg:g") | |
.attr("class", "faculty-group"); | |
// Add the faculty group arc | |
facultyGroups.append("svg:path") | |
.style("fill", function(d, i) { | |
return areas[areaIds[data[i].area]].color; | |
}) | |
.attr("id", function(d, i) { | |
return "faculty-group" + d.index + "-" + j; | |
}) | |
.attr("d", facultyArc) | |
.append("svg:title") | |
.text(function(d, i) { | |
var planCount = 0; | |
data[i].plans.forEach(function(plan) { | |
planCount += +plan.count; | |
}); | |
return data[i].first_name + ' (' + planCount + ')'; | |
}); | |
// add faculty names | |
facultyGroups.append("svg:text") | |
.attr("x", 6) | |
.attr("dy", 15) | |
.append("svg:textPath") | |
.attr("xlink:href", function(d) { | |
return "#faculty-group" + d.index + "-" + j; | |
}) | |
.text(function(d, i) { | |
return data[i].first_name; | |
}); | |
// add area groups | |
var areaGroups = svg.selectAll("g.area-group") | |
.data(areasLayout.groups) | |
.enter() | |
.append("svg:g") | |
.attr("class", "area-group"); | |
// Add the area group arc | |
areaGroups.append("svg:path") | |
.style("fill", function(d, i) { | |
return areas[i].color; | |
}) | |
.attr("id", function(d, i) { | |
return "area-group" + d.index + "-" + j; | |
}) | |
.attr("d", areasArc) | |
.append("svg:title") | |
.text(function(d, i) { | |
return areas[i].area; | |
}); | |
// add area names | |
areaGroups.append("svg:text") | |
.attr("x", 6) | |
.attr("dy", 15) | |
.append("svg:textPath") | |
.attr("xlink:href", function(d) { | |
return "#area-group" + d.index + "-" + j; | |
}) | |
.text(function(d, i) { | |
return areas[i].area; | |
}); | |
// Add chords between faculty | |
svg.selectAll("path.chord") | |
.data(facultyLayout.chords) | |
.enter() | |
.append("svg:path") | |
.attr("class", "chord") | |
.style("fill", function(d, i) { | |
return areas[areaIds[data[d.source.index].area]].color; | |
}) | |
.style("stroke", function(d) { | |
return d3.rgb(areas[areaIds[data[d.source.index].area]].color).darker(); | |
}) | |
.attr("d", chord) | |
.append("svg:title") | |
.text(function(d) { | |
var title = data[d.source.index].first_name + ' and ' + data[d.target.index].first_name + ": " + d.source.value + " plan"; | |
if(d.source.value > 1) { | |
title = title + 's'; | |
} | |
return title; | |
}); | |
</script> | |
</body> |
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