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pie.html
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pie.html
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<html>
<head>
<title>Backbone.d3 - Pie charts</title>
<link rel="stylesheet" href="style.css" type="text/css" />
<script src="loader.js" type="text/javascript"></script>
<script src="../visualisations/pie.js" type="text/javascript"></script>
<script type="text/javascript">
$(function() {
var DataPoint = Backbone.Model.extend({
initialize: function(value) {
this.set(value);
}
});
var DataSeries = Backbone.d3.PlotCollection.extend({
model : DataPoint,
url : "data",
plottype: "pie",
fetch: function(){
// No op
console.log('fetching is a no op in this example');
}
});
var series = new DataSeries();
var plot = new Backbone.d3.Canned.Pie.View(series, {
div:'#plot1',
name: 'PLOT1',
radius: 85
});
series.reset([new DataPoint({id: 1, value: 2}),
new DataPoint({id: 2, value: 1}),
new DataPoint({id: 3, value: 1}),
new DataPoint({id: 4, value: 2})]);
var newValues = [1, 2, 2, 1];
_.each(_.range(1,5), function(i, ii, l) {
setTimeout(function() {
var m = plot.collection.get(i);
m.set({value: newValues[ii]});
}, i * 1000);
})
var dynamicSeries = new DataSeries();
var dynamicPlot = new Backbone.d3.Canned.Pie.View(dynamicSeries, {
div:'#plot2',
name: 'PLOT2',
radius: 85
});
dynamicSeries.reset([new DataPoint({id: 1, value: 1}),
new DataPoint({id: 2, value: 2})]);
setTimeout(function() {
dynamicSeries.add(new DataPoint({id: 3, value: 4}));
}, 1000);
setTimeout(function() {
dynamicSeries.add(new DataPoint({id: 4, value: 2}));
}, 2000);
setTimeout(function() {
dynamicSeries.remove(3);
}, 3000);
setTimeout(function() {
dynamicSeries.add(new DataPoint({id: 5, value: 1}));
}, 4000);
});
</script>
</head>
<body>
<div id="container">
<h1>Pie charts</h1>
<p>Backbone-d3 currently supports simple pie charts with transitions.
Changing values in a collection causes the pie chart to update to the
new ratios. Adding a value adds a new segment to the pie chart, and
removing a value removes that segment.</p>
<hr/>
<table width="100%">
<tr>
<td width="50%" align="center">
<h3>Fixed length series<div id="plot1"></div></h3>
</td>
<td width="50%" align="center">
<h3>Variable length series<div id="plot2"></div></h3>
</td>
</tr>
</table>
<div id="footer"></div>
</div>
</body>
</html>