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<html>
<head>
<title>gRaphaël Pie Chart - a more complex .hover() example</title>
<script type="text/javascript" src="../raphael-min.js"></script>
<script type="text/javascript" src="../../g.raphael-min.js"></script>
<script type="text/javascript" src="../../g.pie-min.js"></script>
<script type="text/javascript">
window.onload = function() {
// Creates canvas 640 × 480 at 10, 50
var r = Raphael(10, 50, 640, 480);
// Creates pie chart at with center at 320, 200,
// radius 100 and data: [55, 20, 13, 32]
var pie = r.g.piechart(320, 240, 100, [55, 20, 13, 32]).attr({"fill":"#666"});
var tooltip;
// add a hover event to the pie chart
pie.hover(function() {
// we store the sector that's being hovered
var that = this.sector;
// loop through the pie and highlight the hovered sector while dimming the rest
// also show the value of the hovered sector
pie.each(function() {
if(this.sector.id === that.id) {
this.sector.attr({fill:"#666"});
tooltip = r.g.text(this.x, this.y, this.sector.value.value).attr({"font-size": 15, "fill":"#FFF"});
} else {
this.sector.animate({"opacity":0.25}, 1000);
}
});
}, function() {
// when mouse hovers out, restore pie to original color
tooltip.remove();
pie.animate({"opacity":1, "fill":"#666"}, 1000);
});
}
</script>
</head>
<body>
</body>
</html>
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