Last active
August 29, 2015 14:00
-
-
Save anwargm/11152574 to your computer and use it in GitHub Desktop.
Pie Chart? A diiferent angle...
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> | |
<meta charset="utf-8"> | |
<title>Pie Chart? </title> | |
<style> | |
body { | |
background: #222; | |
font: 10px sans-serif; | |
margin: auto; | |
position: relative; | |
width: 960px; | |
} | |
text { | |
text-anchor: left; | |
} | |
#credit { | |
position: absolute; | |
right: 4px; | |
bottom: 4px; | |
color: #ddd; | |
} | |
#credit a { | |
color: #fff; | |
font-weight: bold; | |
} | |
</style> | |
<div id="credit">Thanks designers for the Idea. <a href="http://bl.ocks.org/anwargm">Anwrahusen malgave</a>.</div> | |
<script src="http://d3js.org/d3.v3.js"></script> | |
<script> | |
var width = 800, | |
height = 600, | |
radius = Math.min(width, height) , | |
spacing = .5; | |
var color = d3.scale.linear() | |
.range(["hsl(180,70%,70%)", "hsl(-180,70%,70%)"]) | |
.interpolate(interpolateHsl); | |
var arc = d3.svg.arc() | |
.startAngle(function(d) { return ((Math.PI/2)-(d.value * .5 * Math.PI)); }) | |
.endAngle(Math.PI /2) | |
.innerRadius(function(d) { if(d.index==.1){ return 0; }else{return (d.index-.1 + spacing) * radius; }}) | |
.outerRadius(function(d) { return (d.index + spacing) * radius; }); | |
var formatter = d3.format(".2%"); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width) | |
.attr("height", height) | |
.append("g") | |
.attr("transform", "translate(" + (width/4)*1 + "," + (height/4)*3 + ")"); | |
var field = svg.selectAll("g") | |
.data(fields) | |
.enter().append("g"); | |
field.append("path"); | |
field.append("text"); | |
d3.transition().duration(0).each(tick); | |
d3.select(self.frameElement).style("height", height + "px"); | |
function tick() { | |
field = field | |
.each(function(d) { this._value = d.value; }) | |
.data(fields) | |
.each(function(d) { d.previousValue = this._value; }); | |
field.select("path") | |
.transition() | |
.ease("linear") | |
.attrTween("d", arcTween) | |
.style("opacity", function(d) { return .7; }) | |
.style("fill", function(d) { return color(d.index); }); | |
field.select("text") | |
.attr("x", function(d) { return (d.index-.1 + spacing) * radius; }) | |
.attr("y",function(d) { return 0; }) | |
.text(function(d) { return formatter(d.value ); }) | |
.style("font-size","15px") | |
.transition() | |
.ease("linear") | |
.attr("transform", function(d) { | |
return "rotate(0)" | |
+ "translate(0,0)" | |
+ "rotate(0)" | |
}); | |
} | |
function arcTween(d) { | |
var i = d3.interpolateNumber(d.previousValue, d.value); | |
return function(t) { d.value = i(t); return arc(d); }; | |
} | |
function fields() { | |
var now = new Date; | |
return [ | |
{index: .1, value: .4}, | |
{index: .2, value: .3}, | |
{index: .3, value: .2}, | |
{index: .4, value: .1} | |
]; | |
} | |
// Avoid shortest-path interpolation. | |
function interpolateHsl(a, b) { | |
var i = d3.interpolateString(a, b); | |
return function(t) { | |
return d3.hsl(i(t)); | |
}; | |
} | |
</script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment