x axis log scale.
[dygraphs.git] / tests / logscale.html
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54425b14 1<!DOCTYPE html>
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2<html>
3 <head>
10494b48 4 <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
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5 <title>log scale</title>
6 <!--[if IE]>
7 <script type="text/javascript" src="../excanvas.js"></script>
8 <![endif]-->
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9 <!--
10 For production (minified) code, use:
11 <script type="text/javascript" src="dygraph-combined.js"></script>
12 -->
13 <script type="text/javascript" src="../dygraph-dev.js"></script>
14
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15 </head>
16
17 <body>
2cae510b 18 <center>
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19 <input id='ylog' type="button" value="y log scale" onclick="setLogScale('y', true)">
20 <input id='ylinear' type="button" value="y linear scale" onclick="setLogScale('y', false)">
21 <input id='xlog' type="button" value="x log scale" onclick="setLogScale('x', true)">
22 <input id='xlinear' type="button" value="x linear scale" onclick="setLogScale('x', false)">
23 <div>Current scales: <span id="description"></span></div>
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24 </center>
25
93f26a2d 26 <h2>X axis of dates</h2>
2cae510b 27 <div id="div_g0" style="width:600px; height:300px;"></div>
5b9b2142 28 <div style="font-style: italic; margin-left: 40px;">(Note: when the x-axis is dates, logscale is ignored on that axis.)</div>
2cae510b 29
93f26a2d 30 <h2>X axis of numbers</h2>
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31 <div id="div_g1" style="width:600px; height:300px;"></div>
32
ff022deb 33 <script type="text/javascript">
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34 Dygraph.Interaction.DEBUG = true;
35
2cae510b 36 function data0() {
ff022deb 37 return "Date,A\n" +
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38 "20101201,5\n"+
39 "20101202,10\n"+
2cae510b 40 "20101203,-1\n"+
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41 "20101204,250\n"+
42 "20101205,1000\n"+
43 "20101206,30\n"+
44 "20101207,80\n"+
45 "20101208,100\n"+
7d0e7a0d 46 "20101209,500\n"+
ff022deb 47 "";
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48 };
49 function data1() {
7d0e7a0d 50 return "X,A\n" +
4b467120 51 "1,0.000001\n"+
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52 "2,10\n"+
53 "3,100\n"+
54 "4,250\n"+
55 "5,1000\n"+
56 "6,30\n"+
9d8685cc 57 "7,0\n"+
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58 "8,100\n"+
59 "9,500\n"+
44462ba3 60 "101,500\n"+
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61 "30,500\n"+
62 "50,400\n"+
63 "100,300\n"+
64 "300,200\n"+
65 "1000,100\n"+
7d0e7a0d 66 "";
2cae510b 67 };
ff022deb 68
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69 var g0 = new Dygraph(document.getElementById("div_g0"), data0, {});
70 var g1 = new Dygraph(document.getElementById("div_g1"), data1, {});
71 var graphs = [ g0, g1 ];
72 var scales = { x : false, y : false };
73 function setLogScale(axis, val) {
74 if (axis === 'y') {
75 for (var idx = 0; idx < graphs.length; idx++) {
76 graphs[idx].updateOptions({ logscale: val });
77 }
78 } else {
79 for (var idx = 0; idx < graphs.length; idx++) {
80 graphs[idx].updateOptions({ axes : { x : { logscale : val } } });
81 }
82 }
83 scales[axis] = val;
84 var text = "y: " + (scales.y ? "log" : "linear") + ", x: " + (scales.x ? "log" : "linear");
85 document.getElementById("description").innerText = text;
ff022deb 86 }
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87
88 setLogScale('y', true);
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89 </script>
90
91 </body>
92</html>