Alterations based on code review.
[dygraphs.git] / tests / zoom.html
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1<html>
2 <head>
937029df 3 <title>zoom</title>
8b83c6cc 4 <!--[if IE]>
e1fb3740 5 <script type="text/javascript" src="../excanvas.js"></script>
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6 <![endif]-->
7 <script type="text/javascript" src="../strftime/strftime-min.js"></script>
8 <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script>
9 <script type="text/javascript" src="../dygraph-canvas.js"></script>
10 <script type="text/javascript" src="../dygraph.js"></script>
11 <script type="text/javascript" src="data.js"></script>
12 </head>
13 <body>
437c0979 14 <h3>Click the buttons to change the zoom level or just use the normal
447254de 15 click-and drag. While zoom typically works by click-and-drag, the
c65f2303 16 buttons are useful for testing.</h3>
8b83c6cc 17 <h4>Window coordinates (in dates and values):</h4>
c65f2303 18 <div id="xdimensions"></div> <div id="ydimensions"></div>
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19 <div id="div_g" style="width:600px; height:300px;"></div>
20
21 <p><b>Zoom operations:</b></p>
22 <p>
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23 <input type="button" value="Y (3,5)" onclick="zoomGraphY(3,5)">&nbsp;
24 <input type="button" value="Y (0,4)" onclick="zoomGraphY(0,4)">&nbsp;
25 <input type="button" value="Y (2,4)" onclick="zoomGraphY(2,4)">&nbsp;
26 <input type="button" value="Y (0,2)" onclick="zoomGraphY(0,2)">&nbsp;
937029df 27 <input type="button" value="Y (0,1)" onclick="zoomGraphY(0,1)">&nbsp;
4cac8c7a 28 <br> <br>
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29 <input type="button" value="Oct 8-13" onclick="zoomGraphX(1160261979962, 1163905694248)">&nbsp;
30 <input type="button" value="Oct 22-28" onclick="zoomGraphX(1161489164461 , 1162008465957)">&nbsp;
31 <input type="button" value="Oct 23-24" onclick="zoomGraphX(1161575878860, 1161660991675)">&nbsp;
32 <input type="button" value="Oct 26 6AM-noon" onclick="zoomGraphX(1161770537840, 1161792063332)">&nbsp;
4cac8c7a 33 <br> <br>
437c0979 34 <input type="button" value="Unzoom" onclick="unzoomGraph()">&nbsp;
4cac8c7a 35 <br> <br>
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36 <input type="button" value="pan frame 0" onclick="panEdgeFraction(0)">&nbsp;
37 <input type="button" value="pan frame 0.1" onclick="panEdgeFraction(0.1)">&nbsp;
38 <input type="button" value="pan frame 0.5" onclick="panEdgeFraction(0.5)">&nbsp;
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39 </p>
40
41
42 <script type="text/javascript">
43 g = new Dygraph(
44 document.getElementById("div_g"),
45 NoisyData, {
a6cc9f3e 46 errorBars: true,
885c13e4 47 zoomCallback : function(minDate, maxDate, yRanges) {
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48 showDimensions(minDate, maxDate, yRanges);
49 }
885c13e4 50 }
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51 );
52
53 // TODO(konigsberg): Implement a visualization that verifies that initial
54 // displays also show correctly.
55
56 // Pull an initial value for logging.
57 var minDate = g.xAxisRange()[0];
58 var maxDate = g.xAxisRange()[1];
59 var minValue = g.yAxisRange()[0];
60 var maxValue = g.yAxisRange()[1];
dea5c743 61 showDimensions(minDate, maxDate, [minValue, maxValue]);
8b83c6cc 62
dea5c743 63 function showDimensions(minDate, maxDate, yRanges) {
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64 showXDimensions(minDate, maxDate);
65 showYDimensions(yRanges);
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66 }
67
68 function showXDimensions(first, second) {
69 var elem = document.getElementById("xdimensions");
70 elem.innerHTML = "dateWindow : [" + first + ", "+ second + "]";
71 }
72
5f3b823b 73 function showYDimensions(ranges) {
c65f2303 74 var elem = document.getElementById("ydimensions");
5f3b823b 75 elem.innerHTML = "valueRange : [" + ranges + "]";
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76 }
77
437c0979 78 function zoomGraphX(minDate, maxDate) {
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79 g.updateOptions({
80 dateWindow: [minDate, maxDate]
81 });
90b15133 82 showXDimensions(minDate, maxDate);
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83 }
84
85 function zoomGraphY(minValue, maxValue) {
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86 g.updateOptions({
87 valueRange: [minValue, maxValue]
88 });
f99d913c 89 showYDimensions(g.yAxisRanges());
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90 }
91
92 function unzoomGraph() {
c65f2303 93 g.updateOptions({
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94 dateWindow: null,
95 valueRange: null
c65f2303 96 });
8b83c6cc 97 }
4cac8c7a 98
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99 function panEdgeFraction(value) {
100 g.updateOptions({ panEdgeFraction : value });
4cac8c7a 101 }
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102 </script>
103
104 </body>
105</html>