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87 lines
1.9 KiB
HTML
87 lines
1.9 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<link href="../src/nv.d3.css" rel="stylesheet" type="text/css">
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<style>
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svg.sparkline {
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width: 500px;
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height: 70px;
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font-size: 14px;
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margin-top: -6px;
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}
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</style>
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<body class='with-3d-shadow with-transitions'>
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<h2>SparklinePlus:</h2>
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<p><svg id="chart1" class="sparkline"></svg></p>
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<br/>
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<p>APPL:<svg id="chart2" class="sparkline"></svg></p>
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<p>GOOG:<svg id="chart3" class="sparkline"></svg></p>
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<script src="../lib/d3.v3.js"></script>
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<script src="../nv.d3.js"></script>
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<script src="../src/utils.js"></script>
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<script src="../src/models/sparkline.js"></script>
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<script src="../src/models/sparklinePlus.js"></script>
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<script>
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function defaultChartConfig(containerId, data) {
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nv.addGraph(function() {
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var chart = nv.models.sparklinePlus()
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chart
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.margin({left:70})
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.x(function(d,i) { return i })
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.xTickFormat(function(d) {
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return d3.time.format('%x')(new Date(data[d].x))
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})
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d3.select(containerId)
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.datum(data)
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.transition().duration(250)
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.call(chart);
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return chart;
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});
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}
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defaultChartConfig("#chart1",sine());
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defaultChartConfig("#chart2", volatileChart(130.0, 0.02));
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defaultChartConfig("#chart3", volatileChart(25.0, 0.09,30));
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function sine() {
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var sin = [];
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var now =+new Date();
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for (var i = 0; i < 100; i++) {
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sin.push({x: now + i * 1000 * 60 * 60 * 24, y: Math.sin(i/10)});
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}
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return sin;
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}
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function volatileChart(startPrice, volatility, numPoints) {
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var rval = [];
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var now =+new Date();
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numPoints = numPoints || 100;
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for(var i = 1; i < numPoints; i++) {
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rval.push({x: now + i * 1000 * 60 * 60 * 24, y: startPrice});
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var rnd = Math.random();
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var changePct = 2 * volatility * rnd;
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if ( changePct > volatility) {
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changePct -= (2*volatility);
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}
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startPrice = startPrice + startPrice * changePct;
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}
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return rval;
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}
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</script>
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