dcos-dygraphs
Version:
dygraphs is a fast, flexible open source JavaScript charting library.
117 lines (101 loc) • 4.31 kB
HTML
<html>
<head>
<title>zoom</title>
<!--
For production (minified) code, use:
<script type="text/javascript" src="dygraph-combined.js"></script>
-->
<script type="text/javascript" src="../dist/dygraph.js"></script>
<script type="text/javascript" src="data.js"></script>
</head>
<body>
<h3>Click the buttons to change the zoom level or just use the normal
click-and drag. While zoom typically works by click-and-drag, the
buttons are useful for testing.</h3>
<h4>Window coordinates (in dates and values):</h4>
<div id="xdimensions"></div> <div id="ydimensions"></div>
<div style="float: right">
<p>Zoomed: <span id="zoomed">False</span><p/>
<p>Zoomed X: <span id="zoomedX">False</span><p/>
<p>Zoomed Y: <span id="zoomedY">False</span><p/>
</div>
<div id="div_g" style="width:600px; height:300px;"></div>
<p><b>Zoom operations:</b></p>
<p>
<input type="button" value="Y (3,5)" onclick="zoomGraphY(3,5)">
<input type="button" value="Y (0,4)" onclick="zoomGraphY(0,4)">
<input type="button" value="Y (2,4)" onclick="zoomGraphY(2,4)">
<input type="button" value="Y (0,2)" onclick="zoomGraphY(0,2)">
<input type="button" value="Y (0,1)" onclick="zoomGraphY(0,1)">
<br> <br>
<input type="button" value="Oct 8-13" onclick="zoomGraphX(1160261979962, 1163905694248)">
<input type="button" value="Oct 22-28" onclick="zoomGraphX(1161489164461 , 1162008465957)">
<input type="button" value="Oct 23-24" onclick="zoomGraphX(1161575878860, 1161660991675)">
<input type="button" value="Oct 26 6AM-noon" onclick="zoomGraphX(1161770537840, 1161792063332)">
<br> <br>
<input type="button" value="Unzoom" onclick="unzoomGraph()">
<br> <br>
<input type="button" value="pan frame null" onclick="panEdgeFraction(null)">
<input type="button" value="pan frame 0.1" onclick="panEdgeFraction(0.1)">
<input type="button" value="pan frame 0.5" onclick="panEdgeFraction(0.5)">
</p>
<script type="text/javascript">
g = new Dygraph(
document.getElementById("div_g"),
NoisyData, {
errorBars: true,
zoomCallback : function(minDate, maxDate, yRange) {
showDimensions(minDate, maxDate, yRange);
},
drawCallback: function(me, initial) {
document.getElementById("zoomed").innerHTML = "" + me.isZoomed();
document.getElementById("zoomedX").innerHTML = "" + me.isZoomed("x");
document.getElementById("zoomedY").innerHTML = "" + me.isZoomed("y");
}
}
);
// TODO(konigsberg): Implement a visualization that verifies that initial
// displays also show correctly.
// Pull an initial value for logging.
var minDate = g.xAxisRange()[0];
var maxDate = g.xAxisRange()[1];
var minValue = g.yAxisRange()[0];
var maxValue = g.yAxisRange()[1];
showDimensions(minDate, maxDate, [minValue, maxValue]);
function showDimensions(minDate, maxDate, yRanges) {
showXDimensions(minDate, maxDate);
showYDimensions(yRanges);
}
function showXDimensions(first, second) {
var elem = document.getElementById("xdimensions");
elem.innerHTML = "dateWindow : [" + first + ", "+ second + "]";
}
function showYDimensions(ranges) {
var elem = document.getElementById("ydimensions");
elem.innerHTML = "valueRange : [" + ranges + "]";
}
function zoomGraphX(minDate, maxDate) {
g.updateOptions({
dateWindow: [minDate, maxDate]
});
showXDimensions(minDate, maxDate);
}
function zoomGraphY(minValue, maxValue) {
g.updateOptions({
valueRange: [minValue, maxValue]
});
showYDimensions(g.yAxisRanges());
}
function unzoomGraph() {
g.updateOptions({
dateWindow: null,
valueRange: null
});
}
function panEdgeFraction(value) {
g.updateOptions({ panEdgeFraction : value });
}
</script>
</body>
</html>