Created
June 6, 2012 20:04
-
-
Save inlikealion/2884379 to your computer and use it in GitHub Desktop.
g.Raphael example from @kyle
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
Raphael.fn.pieChart = function (cx, cy, r, rin, values, options) { | |
var paper = this, | |
rad = Math.PI / 180, | |
colors = options.colors | |
chart = this.set(); | |
function sector(cx, cy, r, startAngle, endAngle, params) { | |
var x1 = cx + (r) * Math.cos(-startAngle * rad), | |
x2 = cx + (r) * Math.cos(-endAngle * rad), | |
y1 = cy + (r) * Math.sin(-startAngle * rad), | |
y2 = cy + (r) * Math.sin(-endAngle * rad), | |
xx1 = cx + rin * Math.cos(-startAngle * rad), | |
xx2 = cx + rin * Math.cos(-endAngle * rad), | |
yy1 = cy + rin * Math.sin(-startAngle * rad), | |
yy2 = cy + rin * Math.sin(-endAngle * rad); | |
return paper.path(["M", xx1, yy1, | |
"L", x1, y1, | |
"A", r, r, 0, +(endAngle - startAngle > 180), 0, x2, y2, | |
"L", xx2, yy2, | |
"A", rin, rin, 0, +(endAngle - startAngle > 180), 1, xx1, yy1, "z"] | |
).attr(params); | |
} | |
var angle = 0, | |
total = 0, | |
i = 0, | |
process = function (j) { | |
var value = values[j].percent, | |
angleplus = 360 * value / total, | |
popangle = angle + (angleplus / 2), | |
color = colors[i], | |
ms = 100, | |
delta = 30, | |
slice = sector(cx, cy, r + (value + 10), angle, angle + angleplus, {fill: color, stroke: "#FFF", opacity: (value / 100), "stroke-width": 0, "stroke-opacity": 0}), | |
p = sector(cx, cy, r + (value), angle, angle + angleplus, {fill: color, stroke: "#FFF", "stroke-width": 0,"stroke-opacity": 0}), | |
txt = paper.text(cx, cy + 30, values[j].label).attr({fill: color, stroke: "none", opacity: 0, "font-size": 13, "font-weight": "bold"}).toFront(); | |
p.mouseover(function () { | |
p.stop().animate({transform: "s1.1 1.1 " + cx + " " + cy}, ms, "backOut"); | |
//txt.stop().animate({opacity: 1}, ms, "ease"); | |
}).mouseout(function () { | |
p.stop().animate({transform: ""}, ms, "backOut"); | |
txt.stop().animate({opacity: 0}, ms); | |
}); | |
angle += angleplus; | |
chart.push(p); | |
chart.push(txt); | |
i + 1; | |
}; | |
for (var i = 0, ii = values.length; i < ii; i++) { | |
total += values[i].percent; | |
} | |
for (i = 0; i < ii; i++) { | |
process(i); | |
} | |
// LABEL | |
paper.add([ | |
{ | |
type: "circle", | |
cx: cx, | |
cy: cy, | |
r: (rin + 3), | |
fill: "#FFF", | |
"fill-opacity": 0, | |
"stroke-width": 7, | |
"stroke-opacity": 0.05 | |
} | |
]); | |
paper.text(cx,cy - 12,values.length).attr({fill: "#464039", stroke: "none", "font-size": 28,"font-weight": "bold", "font-family": "skolar"}) | |
paper.text(cx,cy + 12, "causes").attr({fill: "#464039", stroke: "none", opacity: 0.5, "font-size": 14}) | |
return chart; | |
}; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment