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Last active April 27, 2020 18:24
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Sunburst Chart
Raw
.block
license: MIT
Raw
README.md

Zoomable sunburst Chart

Raw
index.html
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Zoomable Sunburst</title>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js"></script>
<!-- CSS Style //-->
<link href="style.css" rel="stylesheet" type="text/css">
</head>
<body>
<div style="margin-left:80px;" id="chart"></div>
</body>
<script type="text/javascript" src="main.js"></script>
</html>
Raw
main.js
function getData() {
return {
"name": "Data",
"children": [{
"name": "Doctors",
"children": [{
"name": "Male",
"size": 55
}, {
"name": "Female",
"size": 45
}]
}, {
"name": "Comp Engg",
"children": [{
"name": "Male",
"size": 40
}, {
"name": "Female",
"size": 60
}]
},{
"name": "Mech Engg",
"children": [{
"name": "Male",
"size": 75
}, {
"name": "Female",
"size": 25
}]
},{
"name": "Elec Engg",
"children": [{
"name": "Male",
"size": 60
}, {
"name": "Female",
"size": 40
}]
},{
"name": "Mining Engg",
"children": [{
"name": "Male",
"size": 80
}, {
"name": "Female",
"size": 20
}]
}]
}
};
var colorScheme = ["#E57373","#BA68C8","#7986CB","#A1887F","#90A4AE","#AED581","#9575CD","#FF8A65","#4DB6AC","#FFF176","#64B5F6","#00E676"];
dataset = getData();
var width = 500,
height = 500,
radius = Math.min(width / 2, height / 2) * 0.90;
var x = d3.scale.linear()
.range([0, 2 * Math.PI]);
var y = d3.scale.linear()
.range([0, radius]);
var color = d3.scale.ordinal().range(colorScheme);
var divHeight = height;
var divWidth = width;
var svg = d3.select("#chart").append("svg")
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + divWidth / 2 + "," + height / 2 + ") rotate(-90 0 0)");
var partition = d3.layout.partition()
.value(function(d) {
return d.size;
});
var tooltip = d3.select("body")
.append("div")
.attr("class", "tooltip")
.style("position", "absolute")
.style("z-index", "10")
.style("opacity", 0);
var arc = d3.svg.arc()
.startAngle(function(d) {
if (d.size != 0)
return Math.max(0, Math.min(2 * Math.PI, x(d.x)));
})
.endAngle(function(d) {
if (d.depth == 0)
return Math.max(0, Math.min(2 * Math.PI, x(d.x + d.dx)));
if (d.depth == 2) {
return Math.max(0, Math.min(2 * Math.PI, x(d.x + d.dx)));
}
if (d.size != 0)
return Math.max(0, Math.min(2 * Math.PI, x(d.x + d.dx)));
})
.innerRadius(function(d) {
if (d.size != 0)
return Math.max(0, y(d.y));
})
.outerRadius(function(d) {
if (d.size != 0)
return Math.max(0, y(d.y + d.dy));
});
var root = dataset;
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)
.on("mouseover", function(d) {
tooltip.html(function() {
return d.name + "<br>" + d.value;
});
return tooltip.transition()
.duration(50)
.style("opacity", 0.9);
})
.on("mousemove", function(d) {
return tooltip
.style("top", (d3.event.pageY-10)+"px")
.style("left", (d3.event.pageX+10)+"px");
})
.on("mouseout", function(){return tooltip.style("opacity", 0);});
//.append("text")
var text = g.append("text")
.attr("x", function(d) {
return y(d.y);
})
.attr("dx", function(d) {
return d.depth == 0 ? "9" : "9"
}) // margin
.attr("dy", ".35em") // vertical-align
.attr("transform", function(d) {
return "rotate(" + computeTextRotation(d) + ")";
})
.text(function(d) {
return d.size == null ? d.name : d.name + ': ' + d.size;
})
.style("fill", "black");
function computeTextRotation(d) {
var angle = x(d.x + d.dx / 2) - Math.PI / 2;
return angle / Math.PI * 180;
}
function click(d) {
// fade out all text elements
if (d.size !== undefined) {
d.size += 100;
};
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);
});
}
});
} //});
// Word wrap!
var insertLinebreaks = function(t, d, width) {
var el = d3.select(t);
var p = d3.select(t.parentNode);
p.append("g")
.attr("x", function(d) {
return y(d.y);
})
//.attr("dx", "6") // margin
//.attr("dy", ".35em") // vertical-align
.attr("transform", function(d) {
return "rotate(" + computeTextRotation(d) + ")";
})
//p
.append("foreignObject")
.attr('x', -width / 2)
.attr("width", width)
.attr("height", 200)
.append("xhtml:p")
.attr('style', 'word-wrap: break-word; text-align:center;')
.html('d.name');
el.remove();
};
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);
};
};
}
Raw
style.css
body { font: 12px Arial;}
path {
stroke: steelblue;
stroke-width: 2;
fill: none;
}
.axis path,
.axis line {
fill: none;
stroke: grey;
stroke-width: 1;
shape-rendering: crispEdges;
}
.tooltip {
background: #eee;
box-shadow: 0 0 5px #999999;
color: #333;
font-size: 12px;
left: 130px;
padding: 10px;
position: absolute;
text-align: center;
top: 95px;
z-index: 10;
display: block;
opacity: 0;
}
.title{
font-size:16px;
}
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