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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>log scale</title>
<link rel="stylesheet" type="text/css" href="../dist/dygraph.css" />
<link rel="stylesheet" type="text/css" href="../common/vextlnk.css" />
<script type="text/javascript" src="../dist/dygraph.js"></script>
</head>
<body>
<center>
<input id='ylog' type="button" value="y log scale" onclick="setLogScale('y', true)">
<input id='ylinear' type="button" value="y linear scale" onclick="setLogScale('y', false)">
<input id='xlog' type="button" value="x log scale" onclick="setLogScale('x', true)">
<input id='xlinear' type="button" value="x linear scale" onclick="setLogScale('x', false)">
<div>Current scales: <span id="description"></span></div>
</center>
<h2>X axis of dates</h2>
<div id="div_g0" style="width:600px; height:300px;"></div>
<div style="font-style: italic; margin-left: 40px;">(Note: when the x-axis is dates, logscale is ignored on that axis.)</div>
<h2>X axis of numbers</h2>
<div id="div_g1" style="width:600px; height:300px;"></div>
<script type="text/javascript"><!--//--><![CDATA[//><!--
Dygraph.onDOMready(function onDOMready() {
function data0() {
return "Date,A\n" +
"2010-12-01,5\n"+
"2010-12-02,10\n"+
"2010-12-03,-1\n"+
"2010-12-04,250\n"+
"2010-12-05,1000\n"+
"2010-12-06,30\n"+
"2010-12-07,80\n"+
"2010-12-08,100\n"+
"2010-12-09,500\n"+
"";
};
function data1() {
return "X,A\n" +
"1,0.000001\n"+
"2,10\n"+
"3,100\n"+
"4,250\n"+
"5,1000\n"+
"6,30\n"+
"7,0\n"+
"8,100\n"+
"9,500\n"+
"30,500\n"+
"50,400\n"+
"100,300\n"+
"101,500\n"+
"300,200\n"+
"1000,100\n"+
"";
};
var g0 = new Dygraph(document.getElementById("div_g0"), data0, {});
var g1 = new Dygraph(document.getElementById("div_g1"), data1, {});
var graphs = [ g0, g1 ];
var scales = { x : false, y : false };
setLogScale = function setLogScale(axis, val) {
if (axis === 'y') {
for (var idx = 0; idx < graphs.length; idx++) {
graphs[idx].updateOptions({ logscale: val });
}
} else {
for (var idx = 0; idx < graphs.length; idx++) {
graphs[idx].updateOptions({ axes : { x : { logscale : val } } });
}
}
scales[axis] = val;
var text = "y: " + (scales.y ? "log" : "linear") + ", x: " + (scales.x ? "log" : "linear");
document.getElementById("description").innerText = text;
}
setLogScale('y', true);
});
//--><!]]></script>
</body>
</html>
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