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license: mit |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!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; } | |
</style> | |
</head> | |
<body> | |
<script> | |
// Feel free to change or delete any of the code you see in this editor! | |
data=[5,6,4,2,3] | |
key=["1","2","3","4","5"] | |
var svg = d3.select("body").append("svg") | |
.attr("width", 960) | |
.attr("height", 500) | |
var color = d3.scaleOrdinal(d3.schemeCategory10); | |
//var key = function(d){ return d.data.label; }; | |
var arc = d3.arc() | |
.outerRadius(200 - 10) | |
.innerRadius(70); | |
var pie = d3.pie() | |
.sort(null) | |
.value(function(d) { | |
return d; | |
}); | |
var path = svg.selectAll(".arc") | |
.data(pie(data),key) | |
.enter() | |
.append('path') | |
.attr("class", "donut") | |
.attr('d', arc) | |
.attr("transform", "translate(500,200)") | |
.attr('fill', function(d,i) { | |
return color(i); | |
}); | |
/* ------- SLICE ARCS -------*/ | |
slice.enter() | |
.insert("path") | |
.attr("class", "slice") | |
.style("fill", function(d,i) { return color(i); }) | |
.each(function(d) { | |
this._current = d; | |
}); | |
var slice = svg.select(".slices").selectAll("path.slice") | |
.data(pie(data),key); | |
slice | |
.transition().duration(duration) | |
.attrTween("d", function(d) { | |
var interpolate = d3.interpolate(this._current, d); | |
var _this = this; | |
return function(t) { | |
_this._current = interpolate(t); | |
return arc(_this._current); | |
}; | |
}); | |
slice = svg.select(".slices").selectAll("path.slice") | |
.data(pie(data), key); | |
slice | |
.exit().transition().delay(duration).duration(0) | |
.remove(); | |
/* ------- TEXT LABELS -------*/ | |
var text = svg.select(".labels").selectAll("text") | |
.data(pie(was), key); | |
text.enter() | |
.append("text") | |
.attr("dy", ".35em") | |
.style("opacity", 0) | |
.text(function(d) { | |
return d.data.label; | |
}) | |
.each(function(d) { | |
this._current = d; | |
}); | |
function midAngle(d){ | |
return d.startAngle + (d.endAngle - d.startAngle)/2; | |
} | |
text = svg.select(".labels").selectAll("text") | |
.data(pie(data), key); | |
text.transition().duration(duration) | |
.style("opacity", function(d) { | |
return d.data.value == 0 ? 0 : 1; | |
}) | |
.attrTween("transform", function(d) { | |
var interpolate = d3.interpolate(this._current, d); | |
var _this = this; | |
return function(t) { | |
var d2 = interpolate(t); | |
_this._current = d2; | |
var pos = outerArc.centroid(d2); | |
pos[0] = radius * (midAngle(d2) < Math.PI ? 1 : -1); | |
return "translate("+ pos +")"; | |
}; | |
}) | |
.styleTween("text-anchor", function(d){ | |
var interpolate = d3.interpolate(this._current, d); | |
return function(t) { | |
var d2 = interpolate(t); | |
return midAngle(d2) < Math.PI ? "start":"end"; | |
}; | |
}); | |
text = svg.select(".labels").selectAll("text") | |
.data(pie(data), key); | |
text | |
.exit().transition().delay(duration) | |
.remove(); | |
/* ------- SLICE TO TEXT POLYLINES -------*/ | |
var polyline = svg.select(".lines").selectAll("polyline") | |
.data(pie(was), key); | |
polyline.enter() | |
.append("polyline") | |
.style("opacity", 0) | |
.each(function(d) { | |
this._current = d; | |
}); | |
polyline = svg.select(".lines").selectAll("polyline") | |
.data(pie(data), key); | |
polyline.transition().duration(duration) | |
.style("opacity", function(d) { | |
return d.data.value == 0 ? 0 : .5; | |
}) | |
.attrTween("points", function(d){ | |
this._current = this._current; | |
var interpolate = d3.interpolate(this._current, d); | |
var _this = this; | |
return function(t) { | |
var d2 = interpolate(t); | |
_this._current = d2; | |
var pos = outerArc.centroid(d2); | |
pos[0] = radius * 0.95 * (midAngle(d2) < Math.PI ? 1 : -1); | |
return [arc.centroid(d2), outerArc.centroid(d2), pos]; | |
}; | |
}); | |
polyline = svg.select(".lines").selectAll("polyline") | |
.data(pie(data), key); | |
polyline | |
.exit().transition().delay(duration) | |
.remove(); | |
</script> | |
</body> |
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