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d3.js Loading Spinner Icon
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<!DOCTYPE HTML> | |
<html lang="en"> | |
<head> | |
</head> | |
<body> | |
<div id="loader_container"></div> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script> | |
function loader(config) { | |
return function() { | |
var radius = Math.min(config.width, config.height) / 2; | |
var tau = 2 * Math.PI; | |
var arc = d3.svg.arc() | |
.innerRadius(radius*0.5) | |
.outerRadius(radius*0.9) | |
.startAngle(0); | |
var svg = d3.select(config.container).append("svg") | |
.attr("id", config.id) | |
.attr("width", config.width) | |
.attr("height", config.height) | |
.append("g") | |
.attr("transform", "translate(" + config.width / 2 + "," + config.height / 2 + ")") | |
var background = svg.append("path") | |
.datum({endAngle: 0.33*tau}) | |
.style("fill", "#4D4D4D") | |
.attr("d", arc) | |
.call(spin, 1500) | |
function spin(selection, duration) { | |
selection.transition() | |
.ease("linear") | |
.duration(duration) | |
.attrTween("transform", function() { | |
return d3.interpolateString("rotate(0)", "rotate(360)"); | |
}); | |
setTimeout(function() { spin(selection, duration); }, duration); | |
} | |
function transitionFunction(path) { | |
path.transition() | |
.duration(7500) | |
.attrTween("stroke-dasharray", tweenDash) | |
.each("end", function() { d3.select(this).call(transition); }); | |
} | |
}; | |
} | |
var myLoader = loader({width: 960, height: 500, container: "#loader_container", id: "loader"}); | |
myLoader(); | |
</script> | |
</body> | |
</html> |
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