2010-11-02 09:28:27 +03:00
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<!DOCTYPE html>
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<html>
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<head>
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<title>Hello, sort!</title>
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2012-02-19 01:14:52 +04:00
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<script type="text/javascript" src="../../d3.v2.js"></script>
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2010-11-02 09:28:27 +03:00
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<style type="text/css">
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html, body, svg {
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font: 14px Helvetica Neue;
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margin: 0;
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width: 100%;
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height: 100%;
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display: block;
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}
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circle {
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fill: steelblue;
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fill-opacity: .8;
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stroke: #fff;
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}
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div {
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position: fixed;
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top: 10px;
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left: 10px;
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}
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</style>
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</head>
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<body>
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<div>
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<input id="sort" type="checkbox" checked>
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<label for="sort">Ascending</label>
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</div>
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<script type="text/javascript">
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d3.select("body")
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2011-11-24 02:46:37 +04:00
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.append("svg")
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2010-11-02 09:28:27 +03:00
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.attr("viewBox", "0 0 1000 1000");
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d3.select("#sort")
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.on("change", sort);
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transform();
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function transform() {
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var circle = d3.select("svg")
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.selectAll("circle")
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.data(d3.range(400).map(Math.random));
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2011-11-24 02:46:37 +04:00
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circle.enter().append("circle")
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2010-11-02 09:28:27 +03:00
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.attr("cx", function() { return 100 + Math.random() * 800; })
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.attr("cy", function() { return 100 + Math.random() * 800; })
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.attr("r", function(d) { return 50 * d; });
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circle
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.transition()
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.duration(750)
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.attr("r", function(d) { return 50 * d; });
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sort();
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}
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function sort() {
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d3.selectAll("circle")
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.sort(d3.select("#sort").property("checked")
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? function(a, b) { return b - a; }
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: function(a, b) { return a - b; });
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}
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window.addEventListener("keypress", transform, false);
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</script>
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</body>
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</html>
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