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timvarga/README.md

Last active March 1, 2016 22:23
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Zoomable Sunburst with Labels
Raw
README.md
Raw
flare.json
{
"name": "intervention taxonomy",
"children": [
{
"name": "Knowledge building and analysis",
"children": [
{
"name": "Investment Guidance",
"children": [
{"name": "Support disclosure and metrics to track sustainability standards", "size": 1000},
{"name": "Support development of bond instruments for different scenarios", "size": 1000}
]
},
{
"name": "Education to key stakeholders",
"children": [
{"name": "Fund workshops to improve investor understanding", "size": 1000}
]
},
{
"name": "Research and analysis",
"children": [
{"name": "Support tracking of brown and green land use finance flows", "size": 1000},
{"name": "Fund research on new and commercially oriented sustainable land use business models","size": 1000}
]
}
]
},
{
"name": "Dissemination, advocacy, and raising awareness",
"children": [
{
"name": "Advocacy",
"children": [
{"name": "Support advocacy for creation of green credit lines", "size": 1000},
{"name": "Support advocacy for land use policy changes", "size": 1000}
]
},
{
"name": "Staffing policymakers",
"children": [
{"name": "Fund experts to work within policymaking organizations", "size": 1000}
]
}
]
},
{
"name": "Community and platform building",
"children": [
{
"name": "Platform building",
"children": [
{"name": "Support development of project aggregators/matchmaking facilities", "size": 1000},
{"name": "Develop impact angel investor network in sustainable land use", "size": 1000}
]
},
{
"name": "Community building",
"children": [
{"name": "Fund sustainable ag extension services/TA facilities", "size": 1000}
]
}
]
},
{
"name": "Direct investing and market building",
"children": [
{
"name":"Making direct investments",
"children": [
{"name": "Take higher-risk positions in financing structures", "size": 1000},
{"name": "Fund pilots for new business models and payment schemes", "size": 1000},
{"name": "Fund climate risk indexed insurance products for producers", "size": 1000},
{"name": "Facilitate early-stage ideas with at-scale investment opportunities", "size": 1000}
]
}
]
}
]
}
Raw
index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
path {
stroke: #fff;
fill-rule: evenodd;
}
text {
font-family: Arial, sans-serif;
font-size: 12px;
}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var width = 960,
height = 960,
radius = Math.min(width, height) / 2.2;
var x = d3.scale.linear()
.range([0, 2 * Math.PI]);
var y = d3.scale.linear()
.range([0, radius]);
var color = d3.scale.category20c();
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + width / 2 + "," + (height / 2 + 10) + ")");
var partition = d3.layout.partition()
.value(function(d) { return d.size; });
var arc = d3.svg.arc()
.startAngle(function(d) { return Math.max(0, Math.min(2 * Math.PI, x(d.x))); })
.endAngle(function(d) { return Math.max(0, Math.min(2 * Math.PI, x(d.x + d.dx))); })
.innerRadius(function(d) { return Math.max(0, y(d.y)); })
.outerRadius(function(d) { return Math.max(0, y(d.y + d.dy)); });
d3.json("flare.json", function(error, root) {
var g = svg.selectAll("g")
.data(partition.nodes(root))
.enter().append("g");
var path = g.append("path")
.attr("d", arc)
.style("fill", function(d) { return color((d.children ? d : d.parent).name); })
.on("click", click);
var text = g.append("text")
.attr("transform", function(d) { return "rotate(" + computeTextRotation(d) + ")"; })
.attr("x", function(d) { return y(d.y); })
.attr("dx", "6") // margin
.attr("dy", ".35em") // vertical-align
.text(function(d) { return d.name; });
function click(d) {
// fade out all text elements
text.transition().attr("opacity", 0);
path.transition()
.duration(750)
.attrTween("d", arcTween(d))
.each("end", function(e, i) {
// check if the animated element's data e lies within the visible angle span given in d
if (e.x >= d.x && e.x < (d.x + d.dx)) {
// get a selection of the associated text element
var arcText = d3.select(this.parentNode).select("text");
// fade in the text element and recalculate positions
arcText.transition().duration(750)
.attr("opacity", 1)
.attr("transform", function() { return "rotate(" + computeTextRotation(e) + ")" })
.attr("x", function(d) { return y(d.y); });
}
});
}
});
d3.select(self.frameElement).style("height", height + "px");
// Interpolate the scales!
function arcTween(d) {
var xd = d3.interpolate(x.domain(), [d.x, d.x + d.dx]),
yd = d3.interpolate(y.domain(), [d.y, 1]),
yr = d3.interpolate(y.range(), [d.y ? 20 : 0, radius]);
return function(d, i) {
return i
? function(t) { return arc(d); }
: function(t) { x.domain(xd(t)); y.domain(yd(t)).range(yr(t)); return arc(d); };
};
}
function computeTextRotation(d) {
return (x(d.x + d.dx / 2) - Math.PI / 2) / Math.PI * 180;
}
</script>
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