<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
- butons are useful for testing.</h3>
+ buttons are useful for testing.</h3>
<h4>Window coordinates (in dates and values):</h4>
- <div id = "dimensions"></div>
+ <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)">
g = new Dygraph(
document.getElementById("div_g"),
NoisyData, {
- zoomCallback : function(a,b,c,d) { showDimensions(a,b,c,d); },
+ errorBars: true,
+ zoomCallback : function(a,b,c,d) {
+ showDimensions(a,b,c,d);
+ },
+ drawCallback: function(me, initial) {
+ document.getElementById("zoomed").innerHTML = me.zoomed ? "True" : "False";
+ document.getElementById("zoomedX").innerHTML = me.zoomedX ? "True" : "False";
+ document.getElementById("zoomedY").innerHTML = me.zoomedY ? "True" : "False";
+ }
}
);
showDimensions(minDate, maxDate, minValue, maxValue);
function showDimensions(minDate, maxDate, minValue, maxValue) {
- var elem = document.getElementById("dimensions");
- elem.innerHTML =
- "dateWindow : [" + minDate + " , "+ maxDate + "],<br>" +
- "valueRange : [" + minValue + " , "+ maxValue + "],";
+ showXDimensions(minDate, maxDate);
+ showYDimensions(minValue, maxValue);
+ }
+
+ function showXDimensions(first, second) {
+ var elem = document.getElementById("xdimensions");
+ elem.innerHTML = "dateWindow : [" + first + ", "+ second + "]";
+ }
+
+ function showYDimensions(first, second) {
+ var elem = document.getElementById("ydimensions");
+ elem.innerHTML = "valueRange : [" + first + ", "+ second + "]";
}
function zoomGraphX(minDate, maxDate) {
- g.doZoomXDates_(minDate, maxDate);
+ g.updateOptions({
+ dateWindow: [minDate, maxDate]
+ });
+ showXDimensions(minDate, maxDate);
}
function zoomGraphY(minValue, maxValue) {
- g.doZoomYValues_(minValue, maxValue);
+ g.updateOptions({
+ valueRange: [minValue, maxValue]
+ });
+ showYDimensions(minValue, maxValue);
}
function unzoomGraph() {
- g.doUnzoom_();
+ g.updateOptions({
+ dateWindow: null,
+ valueRange: null
+ });
}
</script>